WO2018023645A1 - 智能定时器开关 - Google Patents

智能定时器开关 Download PDF

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Publication number
WO2018023645A1
WO2018023645A1 PCT/CN2016/093428 CN2016093428W WO2018023645A1 WO 2018023645 A1 WO2018023645 A1 WO 2018023645A1 CN 2016093428 W CN2016093428 W CN 2016093428W WO 2018023645 A1 WO2018023645 A1 WO 2018023645A1
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Prior art keywords
main control
circuit
timer switch
compressor
electrical equipment
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PCT/CN2016/093428
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English (en)
French (fr)
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韩性峰
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韩性峰
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Priority to CN201680087948.2A priority Critical patent/CN109478047B/zh
Priority to PCT/CN2016/093428 priority patent/WO2018023645A1/zh
Publication of WO2018023645A1 publication Critical patent/WO2018023645A1/zh

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers

Definitions

  • the invention belongs to the technical field of household appliances, and in particular relates to an intelligent timer switch.
  • the present invention provides an intelligent timer switch capable of periodically switching on an electrical device, and protecting the electrical device by conditional judgment during the switch.
  • the invention is achieved by the following technical solutions:
  • An intelligent timer switch comprises a main control circuit, an interface circuit, a power supply circuit and a display circuit; wherein the main control circuit is used for realizing condition control of the timer switch; the interface circuit is used for connecting electrical equipment with a compressor, The operating state of the electrical equipment is collected to provide to the main control circuit and receives control signals of the main control circuit to perform switching control on the electrical equipment; the power supply circuit is used for transforming the commercial power into a main control circuit, an interface circuit, and a display circuit. The required voltage; the display circuit is used to display the relevant information of the timer under the control of the main control circuit.
  • the main control circuit includes a main control IC, the main control IC accepts a user's timing setting and a reset signal; the main control IC outputs a signal to the display circuit to display timing information; the main control IC receives the interface circuit
  • the operating state signal of the collected electrical equipment is controlled by the main control IC to issue a control signal to control the on/off of the relay in the interface circuit.
  • the interface circuit comprises a relay, an operating state signal acquisition chip and a socket; the plug of the electrical device is inserted into the socket, and the relay connects or disconnects the power supply of the mains according to the control signal of the main control circuit, and the operation state signal is collected.
  • the chip collects the operating status of the electrical equipment.
  • control logic of the main control circuit is as follows:
  • the intelligent timer switch determines whether the delay reaches the first preset time, and the first preset time after the compressor stops is not suitable for restarting, so it will not immediately supply power.
  • the relay is turned on to supply power to the device;
  • the intelligent timer switch determines whether the compressor is stopped. When the compressor is working, it is not suitable to directly power off, so the power will not be cut off immediately. After the shutdown, disconnect the relay and power off the device.
  • the starting and stopping states of the compressor are judged by checking the magnitude of the current: when the compressor is started, the current is large, and the standby current at the time of stopping is very small.
  • the invention has the beneficial effects that the invention can switch the electrical equipment regularly, and protect the electrical equipment by the condition judgment during the switching.
  • the invention has the advantages of energy saving and environmental protection, convenient design and manufacture, simple implementation manner and convenient promotion.
  • FIG. 1 is a block diagram showing the structure of an intelligent timer switch of the present invention
  • FIG. 2 is a circuit diagram of a main control circuit of the smart timer switch of the present invention.
  • FIG. 3 is a circuit diagram of an interface circuit of the smart timer switch of the present invention.
  • FIG. 4 is a circuit diagram of a power supply circuit of the smart timer switch of the present invention.
  • Fig. 5 is a circuit diagram of a display circuit of the smart timer switch of the present invention.
  • the invention designs an intelligent timer switch, inserts the switch into an existing socket, and then inserts an electric appliance with a compressor such as a refrigerator and a freezer into the switch, and sets the power supply time and the power-off time of the electric appliance according to requirements.
  • a compressor such as a refrigerator and a freezer
  • the condition is judged first, and the power supply and power failure are allowed under the conditions permitting, and the damage to the electrical equipment is reduced to the greatest extent.
  • the smart timer switch 100 of the present invention includes a main control circuit 102, an interface circuit 103, a power supply circuit 104, and a display circuit 105.
  • the main control circuit is used for realizing the condition control of the timer switch;
  • the interface circuit is used for connecting the electrical equipment with the compressor, collecting the operating state of the electrical equipment to provide to the main control circuit and accepting the main control circuit
  • the control signal is used for switching control of the electrical equipment;
  • the power supply circuit is used for transforming the commercial power into a main control circuit, an interface circuit, and a voltage required for the display circuit;
  • the display circuit is for displaying the timer under the control of the main control circuit Related information.
  • the main control IC of the main control circuit can use the PMC232-20 chip.
  • the main control circuit is powered by the VDD of the power supply circuit; the main control IC accepts the user's timing setting and reset signal (see the SET button and TONE button in Figure 2); the main control IC outputs a signal to the display circuit to display timing and other information.
  • the main control IC receives the operating state signal Cur of the electrical equipment collected by the interface circuit, and sends a control signal PowerCtrl through the operation of the main control IC to control the on/off of the relay in the interface circuit.
  • Figure 3 is a circuit diagram of an interface circuit.
  • the interface circuit includes a relay, an operating state signal acquisition chip, and a socket.
  • the plug of the electrical device is inserted into the socket, and the relay communicates or disconnects the power supply of the mains according to the control signal of the main control circuit, and the running state signal acquisition chip collects the running state of the electrical device, and obtains the signal Cur to output to the main control circuit.
  • FIG. 4 is a circuit diagram of a power supply circuit that converts the commercial power into a direct current VDD of 5V.
  • Figure 5 is a circuit diagram of a display circuit that receives an output signal of a main control circuit and then displays information such as time, status code, and the like on the display.
  • the control logic of the main control circuit is as follows:
  • the intelligent timer switch determines whether the delay reaches the first preset time (for example, 30 seconds), and the first preset time after the compressor stops is not suitable for restarting, so Power will be supplied immediately, and when the first preset time is reached, the relay is turned on to supply power to the device.
  • the first preset time for example, 30 seconds
  • the intelligent timer switch determines whether the compressor is stopped (the start and stop states of the compressor, and the current is judged by checking the current: when the compressor starts) The current is very large, and the standby current is very small when stopping. When the compressor is working, it is not suitable to directly cut off the power. Therefore, the power will not be cut off immediately. After the compressor is stopped, the relay is disconnected and the equipment is powered off.
  • the invention can switch the electrical equipment regularly, and protects the electrical equipment by the condition judgment during the switching.
  • the invention has the advantages of energy saving and environmental protection, convenient design and manufacture, simple implementation manner and convenient promotion.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Keying Circuit Devices (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

一种智能定时器开关（100）包括主控电路（102）、接口电路（103）、供电电路（104）和显示电路（105）；其中，主控电路（102）用于实现定时器开关（100）的条件控制；接口电路（103）用于连接带有压缩机的电器设备、对电器设备的运行状态进行采集以提供给主控电路（102）并且接受主控电路（102）的控制信号以对电器设备进行开关控制；供电电路（104）用于将市电变压为主控电路（102）、接口电路（103）、和显示电路（105）所需的电压。在时间到达设定的供电时间时，智能定时器开关（100）延时一段时间再开启继电器，给设备供电；在时间到达设定的断电时间前，提前检测电器的运行状态，待压缩机停机后，断开继电器，给设备断电。该智能定时器开关（100）能够定时对电器设备进行开关，在开关时通过条件判断对电器设备进行保护。

Description

智能定时器开关 技术领域
本发明属于家用电器技术领域，尤其涉及一种智能定时器开关。
背景技术
在很多场所，因条件限制或者其它因素，在一些时间段(如夜间)会定时停电，停电后所在范围内所有用电设施将被强制停电，其中也包括一些冰箱、冰柜等家用电器；冰箱、冰柜等电器上的压缩机在工作过程中若被强制停电，会造成损伤，长期如此，会导致压缩机烧坏。
发明内容
为了解决现有技术中问题，本发明提供了一种智能定时器开关，能够定时对电器设备进行开关，在开关时通过条件判断对电器设备进行保护。本发明通过如下技术方案实现：
一种智能定时器开关，包括主控电路、接口电路、供电电路和显示电路；其中，主控电路用于实现定时器开关的条件控制；接口电路用于连接带有压缩机的电器设备、对电器设备的运行状态进行采集以提供给主控电路并且接受主控电路的控制信号以对电器设备进行开关控制；供电电路用于将市电变压为主控电路、接口电路、和显示电路所需的电压；显示电路用于在主控电路的控制下显示定时器的相关信息。
作为本发明的进一步改进，所述主控电路包括主控IC，主控IC接受使用者的定时设置以及复位信号；主控IC输出信号给显示电路以显示定时的信息；主控IC接收接口电路所采集的电器设备的运行状态信号，通过主控IC的运算后发出控制信号以控制接口电路中的继电器的通/断。
作为本发明的进一步改进，所述接口电路包括继电器、运行状态信号采集芯片以及插座；电气设备的插头***插座，继电器根据主控电路的控制信号连通或者断开市电的供电，运行状态信号采集芯片对电器设备的运行状态进行采集。
作为本发明的进一步改进，所述主控电路的控制逻辑如下：
(1)在时间到达设定的供电时间时，智能定时器开关判断延时是否达到第一预设时间，压缩机停机后第一预设时间内不宜重新开机工作，因此不会立刻供电，待第一预设时间达到时，开启继电器，给设备供电；
(2)在时间到达设定的断电时间前，提前检测电器的运行状态，智能定时器开关判断压缩机是否停机，压缩机工作时不宜直接断电，因此不会立刻断电，待压缩机停机后，断开继电器，给设备断电。
作为本发明的进一步改进，压缩机的启动及停止状态，通过检查电流大小进行判断：压缩机启动时，其电流很大，停止时待机电流非常微小。
本发明的有益效果是：本发明能够定时对电器设备进行开关，在开关时通过条件判断对电器设备进行保护，本发明节能环保，设计制造方便，实现方式简单，便于推广。
附图说明
图1是本发明的智能定时器开关的结构框图；
图2是本发明的智能定时器开关的主控电路的电路图；
图3是本发明的智能定时器开关的接口电路的电路图；
图4是本发明的智能定时器开关的供电电路的电路图；
图5是本发明的智能定时器开关的显示电路的电路图。
具体实施方式
下面结合附图说明及具体实施方式对本发明进一步说明。
本发明设计一款智能定时器开关，将该开关插在现有插座上，再将冰箱、冰柜等带有压缩机的电器插在开关上，根据需求设定电器工作的供电时间及断电时间，在供电及断电时，先进行条件判断，在条件允许的条件下供电及断电，最大程度内降低对电器设备的破坏。
如附图1所述，本发明的智能定时器开关100，包括主控电路102、接口电路103、供电电路104和显示电路105。主控电路用于实现定时器开关的条件控制；接口电路用于连接带有压缩机的电器设备、对电器设备的运行状态进行采集以提供给主控电路并且接受主控电路 的控制信号以对电器设备进行开关控制；供电电路用于将市电变压为主控电路、接口电路、和显示电路所需的电压；显示电路用于在主控电路的控制下显示定时器的相关信息。
附图2是主控电路的电路图。主控电路的主控IC可采用PMC232-20芯片。主控电路由供电电路的VDD进行供电；主控IC接受使用者的定时设置以及复位信号(参见附图2中的SET按钮和TONE按钮)；主控IC输出信号给显示电路以显示定时等信息；主控IC接收接口电路所采集的电器设备的运行状态信号Cur，通过主控IC的运算后发出控制信号PowerCtrl以控制接口电路中的继电器的通/断。
附图3是接口电路的电路图。接口电路包括继电器、运行状态信号采集芯片以及插座。电气设备的插头***插座，继电器根据主控电路的控制信号连通或者断开市电的供电，运行状态信号采集芯片对电器设备的运行状态进行采集，得到信号Cur以输出给主控电路。
附图4是供电电路的电路图，供电电路将市电变压为5V的直流电VDD。附图5是显示电路的电路图，显示电路接收主控电路的输出信号，然后在显示屏上显示出时间、状态代码等信息。
主控电路的控制逻辑如下：
(1)在时间到达设定的供电时间时，智能定时器开关判断延时是否达到第一预设时间(例如30秒)，压缩机停机后第一预设时间内不宜重新开机工作，因此不会立刻供电，待第一预设时间达到时，开启继电器，给设备供电。
(2)在时间到达设定的断电时间前，提前检测电器的运行状态，智能定时器开关判断压缩机是否停机(压缩机的启动及停止状态，通过检查电流大小进行判断：压缩机启动时，其电流很大，停止时待机电流非常微小)，压缩机工作时不宜直接断电，因此不会立刻断电，待压缩机停机后，断开继电器，给设备断电。
本发明能够定时对电器设备进行开关，在开关时通过条件判断对电器设备进行保护，本发明节能环保，设计制造方便，实现方式简单，便于推广。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明 所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (6)

  1. 一种智能定时器开关，其特征在于：所述智能定时器开关包括主控电路、接口电路、供电电路和显示电路；其中，主控电路用于实现定时器开关的条件控制；接口电路用于连接带有压缩机的电器设备、对电器设备的运行状态进行采集以提供给主控电路并且接受主控电路的控制信号以对电器设备进行开关控制；供电电路用于将市电变压为主控电路、接口电路、和显示电路所需的电压；显示电路用于在主控电路的控制下显示定时器的相关信息。
  2. 根据权利要求1所述的智能定时器开关，其特征在于：所述主控电路包括主控IC，主控IC接受使用者的定时设置以及复位信号；主控IC输出信号给显示电路以显示定时的信息；主控IC接收接口电路所采集的电器设备的运行状态信号，通过主控IC的运算后发出控制信号以控制接口电路中的继电器的通/断
  3. 根据权利要求1所述的智能定时器开关，其特征在于：所述接口电路包括继电器、运行状态信号采集芯片以及插座；电气设备的插头***插座，继电器根据主控电路的控制信号连通或者断开市电的供电，运行状态信号采集芯片对电器设备的运行状态进行采集。
  4. 根据权利要求1所述的智能定时器开关，其特征在于：所述主控电路的控制逻辑如下：
    1)在时间到达设定的供电时间时，智能定时器开关判断延时是否达到第一预设时间，压缩机停机后第一预设时间内不宜重新开机工作，因此不会立刻供电，待第一预设时间达到时，开启继电器，给设备供电；
    2)在时间到达设定的断电时间前，提前检测电器的运行状态，智能定时器开关判断压缩机是否停机，压缩机工作时不宜直接断电，因此不会立刻断电，待压缩机停机后，断开继电器，给设备断电。
  5. 根据权利要求1所述的智能定时器开关，其特征在于：压缩机的启动及停止状态，通过检查电流大小进行判断：压缩机启动时，其电流很大，停止时待机电流非常微小。
  6. 根据权利要求1所述的智能定时器开关，其特征在于：所述智能定时器开关用于带压缩机的电器设备。
PCT/CN2016/093428 2016-08-05 2016-08-05 智能定时器开关 WO2018023645A1 (zh)

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