CN203673280U - Relay-controlled low-power control system - Google Patents

Relay-controlled low-power control system Download PDF

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Publication number
CN203673280U
CN203673280U CN201420026180.6U CN201420026180U CN203673280U CN 203673280 U CN203673280 U CN 203673280U CN 201420026180 U CN201420026180 U CN 201420026180U CN 203673280 U CN203673280 U CN 203673280U
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China
Prior art keywords
control
power supply
full bridge
switch
relay
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CN201420026180.6U
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Chinese (zh)
Inventor
邓锦标
周晓明
欧曾
成涛
吴锴奇
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ZHONGSHAN FALANBAO ELECTRIC PRODUCT Co Ltd
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ZHONGSHAN FALANBAO ELECTRIC PRODUCT Co Ltd
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Abstract

The utility model discloses a relay-controlled low-power control system. The system is electrically connected with a power supply socket through a power supply plug for applying to a major loop of a target electric appliance, and comprises a master control MCU, a low-voltage switch power supply, a small-power consumption switch power supply, a panel switch and relay control circuit, a first rectification full bridge, a second rectification full bridge, a feather-touch switch/touch switch, and a relay. A relay coil is electrically connected with the small-power consumption switch power supply. A relay contact is arranged between the power supply plug and the input end of the second rectification full bridge. The switching-off and switching-on of the relay contact is controlled through the feather-touch switch/touch switch so as to cut off connection between commercial power and the major loop, standby power consumption is only limited to the small-power consumption switch power supply which supplies power to the relay, and the power consumption of the small-power consumption switch power supply is within 0.1 W, so that the strictest standby power requirement is satisfied.

Description

A kind of power-consumption control system of Control
Technical field
The utility model relates to stand-by circuit control system, especially a kind of power-consumption control system of Control.
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 power-consumption control system of Control.
The technical solution adopted in the utility model is:
A power-consumption control system for Control, 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 as main control MCU power supply;
One low power consumption Switching Power Supply;
One first rectifying full bridge and one second rectifying full bridge, described the first rectifying full bridge is connected between attaching plug and low power consumption Switching Power Supply input end; Described the second rectifying full bridge is connected between attaching plug and major loop input end; Between described low tension switch power supply and the second rectifying full bridge, be connected with a diode, positive pole, the negative pole of described diode are connected with the positive output end of described the second rectifying full bridge, the input end of low tension switch power supply respectively;
One relay, its relay coil is electrically connected at an output terminal of low power consumption Switching Power Supply; 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;
One soft-touch control/touch-switch;
One panel-switch and control relay circuit, it is connected with low power consumption Switching Power Supply, soft-touch control/touch-switch respectively, and in order to the touching signals of reception & disposal soft-touch control/touch-switch, and the contact of pilot relay disconnects with closed;
One signal detection module, it is connected between main control MCU and panel-switch and control relay circuit.
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 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 live wire end of described attaching plug and the connecting line of the first rectifying full bridge are provided with protective tube.
The beneficial effects of the utility model:
The utility model low-power consumption standby control system, maintain the standby of electric equipment products by setting up a low power consumption Switching Power Supply, under holding state, the major loop of electric equipment products, low tension switch power supply etc. all and between attaching plug disconnect by relay contact, even if attaching plug does not pull out, standby only limits to the loss of low power consumption Switching Power Supply, standby power can be controlled at below 0.1W, meets the strictest standby power requirement.While 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 damage 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 control system.
Embodiment
Shown in Fig. 1, for the power-consumption control system of a kind of Control of the present utility model, be electrically connected by attaching plug and supply socket, act on the major loop 100 of target electric appliance, with the super-low standby power consumption of 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 and work;
One low tension switch power supply 300, one output terminal and main control MCU 200 are electrically connected powers for main control MCU 200;
One low power consumption Switching Power Supply 800;
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 power consumption Switching Power Supply 800 input ends; Described the second rectifying full bridge BR2 is connected between attaching plug and major loop 100 input ends; Between described low tension switch power supply 300 and the second rectifying full bridge BR2, be connected with a diode D1, positive pole, the negative pole of described diode D1 are connected with the positive output end of described the second rectifying full bridge BR2, the input end of low tension switch power supply 300 respectively;
One relay K 1, its relay coil is electrically connected at an output terminal of low power consumption Switching Power Supply 800; 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 soft-touch control/touch-switch 900;
One panel-switch and control relay circuit 700, it is connected with low power consumption Switching Power Supply 800, soft-touch control/touch-switch 900 respectively, and in order to the touching signals of reception & disposal soft-touch control/touch-switch 900, and the contact of pilot relay K1 disconnects with closed;
One signal detection module 400, it is connected between main control MCU 200 and panel-switch and control relay circuit 700; In the present embodiment, signal detection module 400 can be optocoupler or other known detection modules;
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 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 the first rectifying full bridge BR1 input end, be provided with the first protective tube F1, between the positive input terminal of described relay contact and 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.
Principle of work of the present utility model and process, when attaching plug (AC-L and AC-N) is inserted in supply socket, the original state of setting relay K 1 is in disconnecting, therefore low tension switch power supply 300 and major loop 100 do not have electric current to pass through yet, main control MCU 200, display module 500, key-press module 600 are not worked, therefore the power consumption of standby system only limits to low power consumption Switching Power Supply 800, and the stand-by power consumption of low power consumption Switching Power Supply 800 is in 0.1W, thereby realizes ultra-low power standby.After pinning 900 regular hour of soft-touch control/touch-switch T1, panel-switch and control relay circuit 700 reception & disposal touching signals, thereby control low power consumption Switching Power Supply 800 for relay coil energising, relay contact closure after coil electricity, now low tension switch power supply 300 and major loop 100 are switched on, main control MCU 200, display module 500, key-press module 600 are started working, user gets final product Operation display module 500, key-press module 600, and the main control MCU 200 of circuit is all in running order;
On the other hand, the shutdown of the utility model standby system, three kinds of modes realize below:
1. by unclamping after 900 regular hour of soft-touch control/touch-switch T2, panel-switch and control relay circuit 700 reception & disposal touching signals, thereby controlling low power consumption Switching Power Supply 800 is relay coil power-off, after coil blackout, relay contact disconnects, and returns to initial holding state;
2. by the corresponding feature operation of key-press module 600, main control MCU 200 is transmitted control command to panel-switch and control relay circuit 700 by signal detection module 400 after command adapted thereto being detected, panel-switch and control relay circuit 700 are controlled low power consumption Switching Power Supply 800 for relay coil power-off, after coil blackout, relay contact disconnects, and returns to initial holding state and realizes shutdown.
3. unattended automatic shutdown, when main control MCU 200 detects that by signal detection module 400 certain time interval T 3 does not have after operational order, being defaulted as nobody looks after, main control MCU 200 is transmitted control command to panel-switch and control relay circuit 700 by signal detection module 400, panel-switch and control relay circuit 700 are controlled low power consumption Switching Power Supply 800 for relay coil power-off, after coil blackout, relay contact disconnects, and realizes low-power consumption standby, enters safe mode.
As mentioned above, the utility model low-power consumption standby control system, maintain the standby of electric equipment products by setting up a low power consumption Switching Power Supply, under holding state, the major loop of electric equipment products, low tension switch power supply etc. all and between attaching plug disconnect by relay contact, even if attaching plug does not pull out, standby only limits to the loss of low power consumption Switching Power Supply, and standby power can be controlled at below 0.1W, meets the strictest standby power requirement.While 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 damage 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 (6)

1. a power-consumption control system for Control, 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 as main control MCU (200) power supply;
One low power consumption Switching Power Supply (800);
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 power consumption Switching Power Supply (800) input end; Described the second rectifying full bridge (BR2) is connected between attaching plug and major loop (100) input end; Between described low tension switch power supply (300) and the second rectifying full bridge (BR2), be connected with a diode (D1), positive pole, the negative pole of described diode (D1) are connected with the positive output end of described the second rectifying full bridge (BR2), the input end of low tension switch power supply (300) respectively;
One relay (K1), its relay coil is electrically connected at an output terminal of low power consumption Switching Power Supply (800); 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);
One soft-touch control/touch-switch (900);
One panel-switch and control relay circuit (700), it is connected with low power consumption Switching Power Supply (800), soft-touch control/touch-switch (900) respectively, in order to the touching signals of reception & disposal soft-touch control/touch-switch (900), and the contact of pilot relay (K1) disconnects with closed;
One signal detection module (400), it is connected between main control MCU (200) and panel-switch and control relay circuit (700).
2. the power-consumption control system of a kind of Control 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).
3. the power-consumption control system of a kind of Control 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.
4. the power-consumption control system of a kind of Control 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.
5. the power-consumption control system of a kind of Control 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).
6. the power-consumption control system of a kind of Control according to claim 1, is characterized in that: the live wire end (AC-L) of described attaching plug is provided with protective tube (F1) with the connecting line of the first rectifying full bridge (BR1).
CN201420026180.6U 2014-01-15 2014-01-15 Relay-controlled low-power control system Active CN203673280U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420026180.6U CN203673280U (en) 2014-01-15 2014-01-15 Relay-controlled low-power control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420026180.6U CN203673280U (en) 2014-01-15 2014-01-15 Relay-controlled low-power control system

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
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
CN107449034A (en) * 2017-07-17 2017-12-08 广东美的制冷设备有限公司 Indoor set electric-controlled plate and air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
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
CN107449034A (en) * 2017-07-17 2017-12-08 广东美的制冷设备有限公司 Indoor set electric-controlled plate and air conditioner

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