WO2017148045A1 - Control apparatus for reducing standby power consumption of power source - Google Patents

Control apparatus for reducing standby power consumption of power source Download PDF

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Publication number
WO2017148045A1
WO2017148045A1 PCT/CN2016/086091 CN2016086091W WO2017148045A1 WO 2017148045 A1 WO2017148045 A1 WO 2017148045A1 CN 2016086091 W CN2016086091 W CN 2016086091W WO 2017148045 A1 WO2017148045 A1 WO 2017148045A1
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power
external signal
power supply
signal receiving
power source
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PCT/CN2016/086091
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French (fr)
Chinese (zh)
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王成飞
杨志民
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上海鸣志自动控制设备有限公司
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Publication of WO2017148045A1 publication Critical patent/WO2017148045A1/en

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/36—Means for starting or stopping converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

Definitions

  • the present invention relates to power supply energy control techniques, and more particularly to a control apparatus for reducing power supply standby power consumption.
  • the purpose of reducing standby power consumption is to reduce the power consumption of the power supply under no-load conditions, especially in today's society where the degree of electrical power is so high, it is particularly important to reduce the standby power consumption of the power supply.
  • Figure 1 shows: a special low-power standby power supply is embedded in the power supply. When the power supply is in the no-load state, the standby power supply starts to work and the power supply is put out of operation. , thereby reducing the idle power consumption of the entire power supply.
  • An object of the present invention is to provide a control apparatus for reducing standby power consumption of a power supply in order to overcome the drawbacks of the prior art described above.
  • a control device for reducing standby power consumption of a power supply comprising: a power supply, a power control unit, an external signal receiving and a power output state detecting unit, wherein the control device further comprises an energy storage unit, the power output The terminals are respectively connected to the energy storage unit, the external signal receiving and the power output state detecting unit, and the external signal receiving and power output state detecting unit is respectively connected to the energy storage unit and the power control unit, and the power control unit is connected to the power source. ;
  • the power supply control unit controls the power supply to stop working, and the external signal is received. And the power output state detecting unit is powered by the energy storage unit.
  • the energy storage unit is an output filter capacitor, and one end of the capacitor is connected to the power output end, and the external signal is The receiving and power output status detection unit is connected to supply power and the other end is grounded.
  • the external signal receiving and power output state detecting unit After the power supply stops working, the external signal receiving and power output state detecting unit obtains the working power required by the output filter capacitor, and the output filter capacitor voltage is insufficient to maintain the external signal receiving and power output state detecting unit.
  • the external signal receiving and power output state detecting unit controls the power supply to operate normally through the power control unit, and the power source charges the output filter capacitor to restore the voltage of the output filter capacitor to a normal value.
  • the repeated charging and discharging of the output filter capacitor causes the power source to be in a state of intermittent intermittent operation.
  • the intermittent working cycle of the power supply is specifically:
  • R equivalent impedance of external signal receiving and power output state detecting unit
  • V1 normal working voltage of the power supply
  • V0 The minimum voltage point of the output filter capacitor that is set to maintain the external signal reception and power output state detection unit for normal operation.
  • the external signal receiving and power output state detecting unit includes a power supply interface and an external signal receiving circuit respectively connected to the power supply interface, a power output signal detecting circuit, and a central processing circuit, and the central processing The circuit is respectively connected to an external signal receiving circuit, a power output signal detecting circuit, and a power control unit.
  • the power output signal detecting circuit is a power output voltage detecting circuit or a power output current detecting circuit.
  • the present invention has the following advantages:
  • the cost is reduced.
  • the existing solution uses an auxiliary power supply.
  • the solution of the present invention saves the auxiliary power supply without adding other devices.
  • the power supply volume is reduced to facilitate miniaturization design, and the auxiliary power supply embedded in the power supply takes up a certain space.
  • the solution of the invention saves the space occupied by the auxiliary power source and facilitates the design of the power supply miniaturization.
  • the conversion speed of the power source from the standby state to the normal working state is improved.
  • the prior art solution completely stops the power supply by the auxiliary power source.
  • the recovery time is long; the internal power of the power supply of the solution of the invention is The semi-release state, when the power is required to resume normal operation, the recovery time is short.
  • Figure 1 is a schematic diagram of the prior art
  • Figure 2 is a schematic diagram of the present invention.
  • a control device for reducing standby power consumption of a power supply includes a power supply, a power control unit K1, an external signal receiving and power output state detecting unit K2, and an energy storage unit, wherein the power output terminals are respectively The energy storage unit, the external signal receiving and power output state detecting unit K2 are connected, and the external signal receiving and power output state detecting unit K2 is respectively connected to the energy storage unit and the power control unit K1, and the power control unit K1 and the power supply are respectively connected. connection;
  • the power supply control unit K1 controls the power supply to stop working, the external The signal receiving and power output state detecting unit K2 is powered by the energy storage unit.
  • the external signal receiving and power output state detecting unit K2 includes a power supply interface and an external signal receiving circuit respectively connected to the power supply interface, a power output signal detecting circuit, and a central processing circuit.
  • the processing circuit is respectively connected to an external signal receiving circuit, a power output signal detecting circuit, and a power control unit K1.
  • the power output signal detecting circuit is a power output voltage detecting circuit or a power output current detecting circuit.
  • the energy storage unit is an output filter capacitor C1, and one end of the capacitor is respectively connected to the power output end, the external signal receiving and power output state detecting unit K2, and the other end is grounded.
  • the external signal receiving and power output state detecting unit K2 After the power supply stops working, the external signal receiving and power output state detecting unit K2 obtains the power required for operation through the output filter capacitor C1, and the voltage of the output filter capacitor C1 is reduced to insufficient to maintain external signal receiving and power output.
  • the external signal receiving and power output state detecting unit K2 controls the power supply to operate normally through the power control unit K1, and the power source performs the output filter capacitor C1. Charging, the voltage of the output filter capacitor C1 is restored to a normal value.
  • the repeated charging and discharging of the output filter capacitor C1 causes the power source to be in a state of intermittent operation. Reduce the standby power consumption of the power supply by operating the power supply in intermittent operation.
  • the intermittent working cycle of the power supply is controlled by the cycle of repeated charging and discharging of C1, specifically:
  • V1 normal working voltage of the power supply
  • V0 The minimum voltage point of the output filter capacitor C1 that maintains the external signal reception and the power output state detecting unit K2 to operate normally.
  • the standby gap period should not be too short, otherwise the effect of reducing power consumption is not obvious.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

A control apparatus for reducing standby power consumption of a power source, comprising a power source, a power source control unit (K1), and an external signal receiving and power source output state detection unit (K2). The control apparatus further comprises an energy storage unit (C1). A power source output end is connected to the energy storage unit and the external signal receiving and power source output state detection unit, respectively; the external signal receiving and power source output state detection unit is connected to the energy storage unit and the power source control unit, respectively; and the power source control unit is connected to the power source. The control apparatus can reduce the cost and facilitate miniaturization.

Description

一种用于降低电源待机功耗的控制装置Control device for reducing standby power consumption of power supply 技术领域Technical field
本发明涉及电源能耗控制技术，尤其是涉及一种用于降低电源待机功耗的控制装置。The present invention relates to power supply energy control techniques, and more particularly to a control apparatus for reducing power supply standby power consumption.
背景技术Background technique
降低待机功耗的目的是降低电源在空载状态下的电力的消耗，尤其在如今社会电器化程度如此高的情况下降低电源待机功耗尤为关键。The purpose of reducing standby power consumption is to reduce the power consumption of the power supply under no-load conditions, especially in today's society where the degree of electrical power is so high, it is particularly important to reduce the standby power consumption of the power supply.
现有的技术降低电源待机功耗方案如图1是：在电源内部嵌入一个专门的低功耗待机电源，在电源处于空载状态时，待机电源开始工作通过控制将电源置于停止工作的状态，从而降低整个电源空载待机功耗。The existing technology reduces the power standby power consumption scheme. Figure 1 shows: a special low-power standby power supply is embedded in the power supply. When the power supply is in the no-load state, the standby power supply starts to work and the power supply is put out of operation. , thereby reducing the idle power consumption of the entire power supply.
如果还继续沿用这样的技术方案，不但加大了设计和制造成本，也不利于电源小型化设计，因为待机电源也需要在电源内部占有一定的空间。此电源需要正常工作相当于两个电源都要正常工作，所以也增加了电源的故障率。If you continue to use such a technical solution, not only increase the design and manufacturing costs, but also the power supply miniaturization design, because the standby power supply also needs to occupy a certain space inside the power supply. This power supply needs to work normally. It is equivalent to the two power supplies to work normally, so it also increases the power failure rate.
发明内容Summary of the invention
本发明的目的就是为了克服上述现有技术存在的缺陷而提供一种用于降低电源待机功耗的控制装置。SUMMARY OF THE INVENTION An object of the present invention is to provide a control apparatus for reducing standby power consumption of a power supply in order to overcome the drawbacks of the prior art described above.
本发明的目的可以通过以下技术方案来实现：The object of the present invention can be achieved by the following technical solutions:
一种用于降低电源待机功耗的控制装置，包括电源、电源控制单元、外部信号接收及电源输出状态检测单元，其特征在于，所述的控制装置还包括储能单元，所述的电源输出端分别与储能单元、外部信号接收及电源输出状态检测单元连接，所述的外部信号接收及电源输出状态检测单元分别与储能单元、电源控制单元连接，所述的电源控制单元与电源连接；A control device for reducing standby power consumption of a power supply, comprising: a power supply, a power control unit, an external signal receiving and a power output state detecting unit, wherein the control device further comprises an energy storage unit, the power output The terminals are respectively connected to the energy storage unit, the external signal receiving and the power output state detecting unit, and the external signal receiving and power output state detecting unit is respectively connected to the energy storage unit and the power control unit, and the power control unit is connected to the power source. ;
所述的外部信号接收及电源输出状态检测单元检测到电源处于非带载状态，或者接收到“进入待机状态”的外部控制信号时，通过电源控制单元控制电源停止工作，所述的外部信号接收及电源输出状态检测单元通过储能单元供电。When the external signal receiving and power output state detecting unit detects that the power source is in an unloaded state, or receives an external control signal of “going into the standby state”, the power supply control unit controls the power supply to stop working, and the external signal is received. And the power output state detecting unit is powered by the energy storage unit.
所述的储能单元为输出滤波电容，该电容一端与电源输出端连接，且与外部信号 接收及电源输出状态检测单元连接为其供电，另一端接地。The energy storage unit is an output filter capacitor, and one end of the capacitor is connected to the power output end, and the external signal is The receiving and power output status detection unit is connected to supply power and the other end is grounded.
所述的电源停止工作后，所述的外部信号接收及电源输出状态检测单元通过输出滤波电容获得工作所需电能，当输出滤波电容的电压降低至不足以维持外部信号接收及电源输出状态检测单元时，所述的外部信号接收及电源输出状态检测单元通过电源控制单元控制电源正常工作，电源对输出滤波电容进行充电，使输出滤波电容的电压恢复到正常值。After the power supply stops working, the external signal receiving and power output state detecting unit obtains the working power required by the output filter capacitor, and the output filter capacitor voltage is insufficient to maintain the external signal receiving and power output state detecting unit. The external signal receiving and power output state detecting unit controls the power supply to operate normally through the power control unit, and the power source charges the output filter capacitor to restore the voltage of the output filter capacitor to a normal value.
所述的输出滤波电容的反复充放电使电源处于间隙性反复工作的状态。The repeated charging and discharging of the output filter capacitor causes the power source to be in a state of intermittent intermittent operation.
所述的电源的间隙性工作周期具体为：The intermittent working cycle of the power supply is specifically:
T＝R*C*ln(V1/V0)；T=R*C*ln(V1/V0);
T：电源间隙性工作周期T: power gap duty cycle
R：外部信号接收及电源输出状态检测单元的等效阻抗R: equivalent impedance of external signal receiving and power output state detecting unit
C：输出滤波电容容值C: output filter capacitor value
V1：电源正常工作电压V1: normal working voltage of the power supply
V0：维持外部信号接收及电源输出状态检测单元正常工作的设定的输出滤波电容最低电压点。V0: The minimum voltage point of the output filter capacitor that is set to maintain the external signal reception and power output state detection unit for normal operation.
所述的电源停止工作后，所述的外部信号接收及电源输出状态检测单元包括供电接口以及分别与供电接口连接的外部信号接收电路、电源输出信号检测电路以及中央处理电路，所述的中央处理电路分别与外部信号接收电路、电源输出信号检测电路、电源控制单元连接。After the power supply stops working, the external signal receiving and power output state detecting unit includes a power supply interface and an external signal receiving circuit respectively connected to the power supply interface, a power output signal detecting circuit, and a central processing circuit, and the central processing The circuit is respectively connected to an external signal receiving circuit, a power output signal detecting circuit, and a power control unit.
所述的电源输出信号检测电路为电源输出电压检测电路或电源输出电流检测电路。The power output signal detecting circuit is a power output voltage detecting circuit or a power output current detecting circuit.
与现有技术相比，本发明具有以下优点：Compared with the prior art, the present invention has the following advantages:
1、减少成本，现有方案会使用辅助电源，本发明的方案在不增加其他器件的同时省去辅助电源。1. The cost is reduced. The existing solution uses an auxiliary power supply. The solution of the present invention saves the auxiliary power supply without adding other devices.
2、减小电源体积方便小型化设计，电源内部嵌入辅助电源会占用一定的空间，本发明的方案省去辅助电源占用的空间，便于电源小型化的设计。2. The power supply volume is reduced to facilitate miniaturization design, and the auxiliary power supply embedded in the power supply takes up a certain space. The solution of the invention saves the space occupied by the auxiliary power source and facilitates the design of the power supply miniaturization.
3、改善了电源从待机状态切换到正常工作状态的转换速度，现有技术方案是通过辅助电源将电源彻底停止工作，当需要电源恢复正常工作时，恢复时间长；本发明方案电源内部电能处于半释放的状态，当需要电源恢复正常工作时，恢复时间短。 3. The conversion speed of the power source from the standby state to the normal working state is improved. The prior art solution completely stops the power supply by the auxiliary power source. When the power source needs to resume normal operation, the recovery time is long; the internal power of the power supply of the solution of the invention is The semi-release state, when the power is required to resume normal operation, the recovery time is short.
附图说明DRAWINGS
图1为现有技术的原理图；Figure 1 is a schematic diagram of the prior art;
图2为本发明的原理图。Figure 2 is a schematic diagram of the present invention.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明的一部分实施例，而不是全部实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动的前提下所获得的所有其他实施例，都应属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.
如图2所示，一种用于降低电源待机功耗的控制装置，包括电源、电源控制单元K1、外部信号接收及电源输出状态检测单元K2和储能单元，所述的电源输出端分别与储能单元、外部信号接收及电源输出状态检测单元K2连接，所述的外部信号接收及电源输出状态检测单元K2分别与储能单元、电源控制单元K1连接，所述的电源控制单元K1与电源连接；As shown in FIG. 2, a control device for reducing standby power consumption of a power supply includes a power supply, a power control unit K1, an external signal receiving and power output state detecting unit K2, and an energy storage unit, wherein the power output terminals are respectively The energy storage unit, the external signal receiving and power output state detecting unit K2 are connected, and the external signal receiving and power output state detecting unit K2 is respectively connected to the energy storage unit and the power control unit K1, and the power control unit K1 and the power supply are respectively connected. connection;
所述的外部信号接收及电源输出状态检测单元K2检测到电源处于非带载状态，或者接收到“进入待机状态”的外部控制信号时，通过电源控制单元K1控制电源停止工作，所述的外部信号接收及电源输出状态检测单元K2通过储能单元供电。When the external signal receiving and power output state detecting unit K2 detects that the power source is in an unloaded state, or receives an external control signal of "going into the standby state", the power supply control unit K1 controls the power supply to stop working, the external The signal receiving and power output state detecting unit K2 is powered by the energy storage unit.
所述的电源停止工作后，所述的外部信号接收及电源输出状态检测单元K2包括供电接口以及分别与供电接口连接的外部信号接收电路、电源输出信号检测电路以及中央处理电路，所述的中央处理电路分别与外部信号接收电路、电源输出信号检测电路、电源控制单元K1连接。所述的电源输出信号检测电路为电源输出电压检测电路或电源输出电流检测电路。After the power supply stops working, the external signal receiving and power output state detecting unit K2 includes a power supply interface and an external signal receiving circuit respectively connected to the power supply interface, a power output signal detecting circuit, and a central processing circuit. The processing circuit is respectively connected to an external signal receiving circuit, a power output signal detecting circuit, and a power control unit K1. The power output signal detecting circuit is a power output voltage detecting circuit or a power output current detecting circuit.
所述的储能单元为输出滤波电容C1，该电容一端分别与电源输出端、外部信号接收及电源输出状态检测单元K2连接，另一端接地。The energy storage unit is an output filter capacitor C1, and one end of the capacitor is respectively connected to the power output end, the external signal receiving and power output state detecting unit K2, and the other end is grounded.
所述的电源停止工作后，所述的外部信号接收及电源输出状态检测单元K2通过输出滤波电容C1获得工作所需电能，当输出滤波电容C1的电压降低至不足以维持外部信号接收及电源输出状态检测单元K2时，所述的外部信号接收及电源输出状态检测单元K2通过电源控制单元K1控制电源正常工作，电源对输出滤波电容C1进行 充电，使输出滤波电容C1的电压恢复到正常值。After the power supply stops working, the external signal receiving and power output state detecting unit K2 obtains the power required for operation through the output filter capacitor C1, and the voltage of the output filter capacitor C1 is reduced to insufficient to maintain external signal receiving and power output. When the state detecting unit K2, the external signal receiving and power output state detecting unit K2 controls the power supply to operate normally through the power control unit K1, and the power source performs the output filter capacitor C1. Charging, the voltage of the output filter capacitor C1 is restored to a normal value.
所述的输出滤波电容C1的反复充放电使电源处于间隙性反复工作的状态。通过让电源工作在间隙性工作状态，来降低电源的待机功耗。The repeated charging and discharging of the output filter capacitor C1 causes the power source to be in a state of intermittent operation. Reduce the standby power consumption of the power supply by operating the power supply in intermittent operation.
所述的电源的间隙性工作周期通过C1反复充放电的周期来控制，具体为：The intermittent working cycle of the power supply is controlled by the cycle of repeated charging and discharging of C1, specifically:
T＝R*C*ln(V1/V0)；T=R*C*ln(V1/V0);
T：电源间隙性工作周期T: power gap duty cycle
R：外部信号接收及电源输出状态检测单元K2的等效阻抗R: equivalent impedance of external signal receiving and power output state detecting unit K2
C：输出滤波电容C1容值C: output filter capacitor C1 capacitance
V1：电源正常工作电压V1: normal working voltage of the power supply
V0：维持外部信号接收及电源输出状态检测单元K2正常工作的设定的输出滤波电容C1最低电压点。V0: The minimum voltage point of the output filter capacitor C1 that maintains the external signal reception and the power output state detecting unit K2 to operate normally.
待机间隙性周期不能太短，否则降功耗的效果不明显。The standby gap period should not be too short, otherwise the effect of reducing power consumption is not obvious.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到各种等效的修改或替换，这些修改或替换都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以权利要求的保护范围为准。 The above is only the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any equivalent person can be easily conceived within the technical scope of the present invention by any person skilled in the art. Modifications or substitutions are intended to be included within the scope of the invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims (7)

  1. 一种用于降低电源待机功耗的控制装置，包括电源、电源控制单元、外部信号接收及电源输出状态检测单元，其特征在于，所述的控制装置还包括储能单元，所述的电源输出端分别与储能单元、外部信号接收及电源输出状态检测单元连接，所述的外部信号接收及电源输出状态检测单元分别与储能单元、电源控制单元连接，所述的电源控制单元与电源连接；A control device for reducing standby power consumption of a power supply, comprising: a power supply, a power control unit, an external signal receiving and a power output state detecting unit, wherein the control device further comprises an energy storage unit, the power output The terminals are respectively connected to the energy storage unit, the external signal receiving and the power output state detecting unit, and the external signal receiving and power output state detecting unit is respectively connected to the energy storage unit and the power control unit, and the power control unit is connected to the power source. ;
    所述的外部信号接收及电源输出状态检测单元检测到电源处于非带载状态，或者接收到“进入待机状态”的外部控制信号时，通过电源控制单元控制电源停止工作，所述的外部信号接收及电源输出状态检测单元通过储能单元供电。When the external signal receiving and power output state detecting unit detects that the power source is in an unloaded state, or receives an external control signal of “going into the standby state”, the power supply control unit controls the power supply to stop working, and the external signal is received. And the power output state detecting unit is powered by the energy storage unit.
  2. 根据权利要求1所述的控制装置，其特征在于，所述的储能单元为输出滤波电容，该电容一端与电源输出端连接，且与外部信号接收及电源输出状态检测单元连接为其供电，另一端接地。The control device according to claim 1, wherein the energy storage unit is an output filter capacitor, and one end of the capacitor is connected to the power output end, and is connected to an external signal receiving and power output state detecting unit for supplying power thereto. The other end is grounded.
  3. 根据权利要求2所述的控制装置，其特征在于，所述的电源停止工作后，所述的外部信号接收及电源输出状态检测单元通过输出滤波电容获得工作所需电能，当输出滤波电容的电压降低至不足以维持外部信号接收及电源输出状态检测单元时，所述的外部信号接收及电源输出状态检测单元通过电源控制单元控制电源正常工作，电源对输出滤波电容进行充电，使输出滤波电容的电压恢复到正常值。The control device according to claim 2, wherein after the power source stops operating, the external signal receiving and power output state detecting unit obtains the power required for operation by outputting the filter capacitor, and outputs the voltage of the filter capacitor. When the external signal receiving and power output state detecting unit is insufficient to maintain the external signal receiving and power output state detecting unit, the power supply control unit controls the power supply to operate normally, and the power source charges the output filter capacitor to make the output filter capacitor The voltage returns to normal.
  4. 根据权利要求3所述的控制装置，其特征在于，所述的输出滤波电容的反复充放电使电源处于间隙性反复工作的状态。The control device according to claim 3, wherein the repeated charging and discharging of the output filter capacitor causes the power source to be in a state of intermittent intermittent operation.
  5. 根据权利要求4所述的控制装置，其特征在于，所述的电源的间隙性工作周期具体为：The control device according to claim 4, wherein the intermittent working period of the power source is specifically:
    T＝R*C*ln(V1/V0)；T=R*C*ln(V1/V0);
    T：电源间隙性工作周期T: power gap duty cycle
    R：外部信号接收及电源输出状态检测单元的等效阻抗R: equivalent impedance of external signal receiving and power output state detecting unit
    C：输出滤波电容容值C: output filter capacitor value
    V1：电源正常工作电压V1: normal working voltage of the power supply
    V0：维持外部信号接收及电源输出状态检测单元正常工作的设定的输出滤波电容最低电压点。 V0: The minimum voltage point of the output filter capacitor that is set to maintain the external signal reception and power output state detection unit for normal operation.
  6. 根据权利要求1所述的控制装置，其特征在于，所述的电源停止工作后，所述的外部信号接收及电源输出状态检测单元包括供电接口以及分别与供电接口连接的外部信号接收电路、电源输出信号检测电路以及中央处理电路，所述的中央处理电路分别与外部信号接收电路、电源输出信号检测电路、电源控制单元连接。The control device according to claim 1, wherein said external signal receiving and power output state detecting unit comprises a power supply interface and an external signal receiving circuit and a power source respectively connected to the power supply interface after said power source is stopped. The output signal detecting circuit and the central processing circuit are respectively connected to the external signal receiving circuit, the power output signal detecting circuit, and the power control unit.
  7. 根据权利要求6所述的控制装置，其特征在于，所述的电源输出信号检测电路为电源输出电压检测电路或电源输出电流检测电路。 The control device according to claim 6, wherein said power supply output signal detecting circuit is a power supply output voltage detecting circuit or a power supply output current detecting circuit.
PCT/CN2016/086091 2016-02-29 2016-06-17 Control apparatus for reducing standby power consumption of power source WO2017148045A1 (en)

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CN112134460A (en) * 2020-09-21 2020-12-25 珠海格力电器股份有限公司 Low-power-consumption standby linear power circuit, control method and electric appliance

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CN101770248A (en) * 2008-12-31 2010-07-07 钱和革 Intermittent power supply micropower standby control circuit
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