TWM577611U - Auto-resetting power protection device - Google Patents

Abstract

The invention provides an automatic reset power protection device, which mainly comprises a first switch unit, a circuit protection unit, a circuit setting unit, a power detecting unit, a second switching unit, a load detecting unit and a control unit. The power detecting unit and the load detecting unit are configured to detect a voltage value and a current value of the external AC power source, and the control unit is coupled to the first switch unit, the circuit protection unit, and the a circuit setting unit, the power detecting unit, the second switching unit, and the load detecting unit. In this way, when the power of the external AC power source is abnormal, the control unit can control the first switch unit and the second switch unit to be turned off. When the power is restored, the control unit can automatically control the first switch unit and the circuit protection. The unit is turned on to achieve the function of automatic reset.

Description

Automatic reset power protection device

The present invention relates to a protection device, and more particularly to an automatic reset power protection device.

The leakage circuit breaker used in the general switchboard is an important component for protecting electrical appliances and circuits. Its main function is to protect against short circuit and prevent serious overload. When the circuit breaker detects short circuit, serious overload, leakage, etc., the leakage circuit breaker The circuit can be cut off immediately to protect the appliance.

The traditional leakage circuit breaker is mainly divided into manual control and automatic control. Among them, manual control requires manual on-site operation. Although automatic control does not require manual on-site operation, when it detects abnormal power supply, it will automatically cut off. However, recovery After the power supply, these traditional circuit breakers cannot automatically restore the power supply, and must be manually closed to restore the power supply.

Therefore, based on the above, it can be known that the current leakage circuit breaker still has many shortcomings and shortcomings; in view of this, the creator of the case tried to research and create, and finally developed an automatic reset power protection device.

The invention provides an automatic reset power protection device, which mainly comprises a first switch unit, a circuit protection unit, a circuit setting unit, a power detecting unit, a second switching unit, a load detecting unit and a control unit. The power detecting unit and the load detecting unit are configured to detect a voltage value and a current value of the external AC power source, and the control unit is coupled to the first switch unit, the circuit protection unit, and the a circuit setting unit, the power detecting unit, the second switching unit, and the load detecting unit. In this way, when the power of the external AC power source is abnormal, the control unit can control the first switch unit and the second switch unit to be turned off. When the power is restored, the control unit can automatically control the first switch unit and the circuit protection. The unit is turned on to achieve the function of automatic reset.

Therefore, in order to achieve the above object of the present invention, the creator of the present invention proposes an automatic reset power protection device, comprising: a first switch unit coupled to an external AC power source; a circuit protection unit coupled to the first a circuit setting unit coupled to the circuit protection unit for setting a reference value of a power abnormality of the circuit protection unit; a power detection unit coupled to the external AC power source for detecting the external communication a voltage value of the power source; a second switch unit having an input end coupled to the circuit protection unit, wherein the output end is coupled to a load; wherein the circuit setting unit is coupled to the second switch unit for setting the a resetting time of the second switching unit; a load detecting unit coupled to the load for detecting a current value of the external AC power source; a control unit coupled to the first switching unit, the circuit a protection unit, the circuit setting unit, the power detecting unit, the second switching unit and the load detecting unit; and a warning list And the power detecting unit generates an abnormal voltage information to the control unit when the voltage value is abnormal. At this time, the control unit controls the first switch by using the abnormal voltage information. The unit and the second switch unit are turned off to stop the external AC power supply to continue to output power, and the warning unit emits an audible and visual warning, and the power detecting unit continues to detect the voltage value of the external AC power source. When the second switch unit is reset and the voltage value returns to normal, the power detecting unit generates a normal voltage information to the control unit, and the control unit controls the first switch unit to be turned on by the normal voltage information, so that the external unit The AC power source outputs a power to the load; wherein, when the current value is abnormal, the load detecting unit generates an abnormal current information to the control unit, and at this time, the control unit controls the circuit protection unit by using the abnormal current information The second switch unit is turned off to stop the external AC power output power to the load, and at the same time, the alarm The unit emits an audible and visual warning, and the load detecting unit continuously detects the impedance value of the load. When the second switching unit is reset and the load detecting unit detects that the impedance value of the load returns to normal, the power detection The measuring unit generates a normal current information to the control unit, and the control unit controls the circuit protection unit to be turned on by the normal current information, so that the external AC power source continues to output power to the load.

In order to more clearly describe an automatic reset power protection device proposed by the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the drawings.

First embodiment

Please refer to FIG. 1. FIG. 1 is a first structural diagram of the automatic reset power protection device of the present invention. As shown in FIG. 1 , an automatic reset power protection device 1 according to the present invention includes: a first switch unit 10, a circuit protection unit 11, a circuit setting unit 12, a power detecting unit 13, and a first a second switching unit 14, a load detecting unit 15, a control unit 16, and a warning unit 17, wherein the first switching unit 10 can be an electromagnetic switch coupled to an external AC power source 2; The protection unit 11 can be an electric leakage protection circuit breaker (ELCB) coupled to the first switching unit 10, and the circuit setting unit 12 is coupled to the circuit protection unit 11 for setting the power supply of the circuit protection unit 11 to be abnormal. The power detection unit 13 is coupled to the external AC power source 2 for detecting a voltage value of the external AC power source 2.

In the above, the second switch unit 14 can be a timing relay, the input end of which is coupled to the circuit protection unit 11 and the output end is coupled to a load 3; and the circuit setting unit 12 is coupled to the second switch. The unit 14 is configured to set a reset time of the second switch unit 14. In addition, the load detecting unit 15 is coupled to the load 3 for detecting a current value of the external AC power source 2. Further, the control unit 16 is coupled to the first switch unit 10, the circuit protection unit 11, the circuit setting unit 12, the power detecting unit 13, the second switching unit 14, and the load detecting unit 15. The alarm unit 17 includes a processor 160, wherein the processor 160 is coupled to the first switch unit 10, the circuit protection unit 11, the circuit setting unit 12, the power detecting unit 13, and the The second switching unit 14 , the load detecting unit 15 and the warning unit 17 . In particular, the alert unit 17 is an acousto-optic alert.

When the voltage value is abnormal, the power detecting unit 13 generates an abnormal voltage information to the control unit 16, and the control unit 16 controls the first switching unit 10 and the second by using the abnormal voltage information. The switch unit 14 is turned off to stop the external AC power supply 2 to continue to output power. At the same time, the warning unit 17 emits an audible and visual warning, and the power detection unit 13 continues to detect the voltage value of the external AC power supply 2 when When the second switch unit 14 is reset and the voltage value returns to normal, the power detecting unit 13 generates a normal voltage information to the control unit 16, and the control unit 16 controls the first switch unit 10 by the normal voltage information. The conduction is such that the external AC power source 2 outputs power to the load 3. In addition, when the current value is abnormal, the load detecting unit 15 generates an abnormal current information to the control unit 16, and at this time, the control unit 16 controls the circuit protection unit 11 and the second switch by using the abnormal current information. The unit 14 is turned off to stop the output of the external AC power source 2 to the load 3. At the same time, the warning unit 17 emits an audible and visual warning, and the load detecting unit 15 continuously detects the impedance value of the load 3, when the When the second switch unit 14 is reset and the load detecting unit 15 detects that the impedance value of the load 3 returns to normal, the power detecting unit 13 generates a normal current information to the control unit 16, and the control unit 16 uses the normal The current information controls the circuit protection unit 11 to be turned on, so that the external AC power source 2 continues to output power to the load 3.

In the present invention, the control unit 16 further includes a display unit 161, a communication unit 162, and a storage unit 163. The display unit 161 is coupled to the processor 160 for displaying the control unit 16 The abnormal voltage information, the normal voltage information, the abnormal current information, and the normal current information; and the communication unit 162 is coupled to the processor 160 for remotely monitoring and notifying the abnormal voltage information of the control unit 16 The normal voltage information, the abnormal current information and the normal current information are on an electronic device. Further, the storage unit 163 is coupled to the processor 160 for storing the abnormal voltage information, the normal voltage information, the abnormal current information, and the normal current information of the control unit 16.

Second embodiment

Please continue to refer to FIG. 2, which is a second structural diagram of the automatic reset power protection device of the present invention. As shown in FIG. 2 , the automatic reset power protection device 1 further includes a lightning protection unit 18 coupled between the first switch unit 10 and the external AC power source 2, such that The lightning surge current can be prevented from flowing into the automatic reset power protection device 1.

In the present creation, the reference value of the power supply abnormality may be a reference value of an overvoltage, a reference value of an undervoltage, a reference value of an overcurrent, a reference value of a short circuit, and a reference value of a leakage. In addition, the abnormal voltage information may be any of the following: overvoltage information or undervoltage information; and the abnormal current information may be any of the following: short circuit information, overcurrent information, or leakage information.

Thus, the above system has completely and clearly explained the structure and function of the automatic reset power protection device 1 of the present invention; through the above, we can know that the present invention has the following technical features and advantages:

The present invention provides an automatic reset power protection device 1 mainly comprising a first switch unit 10, a circuit protection unit 11, a circuit setting unit 12, a power detecting unit 13, a second switching unit 14, and a load detecting device. The unit 15 and the control unit 16 are configured to detect the voltage value and the current value of the external AC power source 2, and the control unit 16 is coupled to the control unit 16 The first switching unit 10, the circuit setting unit 12, the power detecting unit 13, the second switching unit 14, and the load detecting unit 15. In this way, when the power of the external AC power source 2 is abnormal, the control unit 16 can control the first switch unit 10 and the second switch unit 14 to be turned off. When the power is restored, the control unit 16 can automatically control the first switch. The unit 10 is electrically connected to the circuit protection unit 11, thereby achieving the function of automatic reset.

It is to be understood that the foregoing detailed description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, Both should be included in the scope of the patent in this case.

<This new type>

1‧‧‧Automatic return power protection device

2‧‧‧External AC power supply

3‧‧‧load

10‧‧‧First switch unit

11‧‧‧Circuit protection unit

12‧‧‧Circuit setting unit

13‧‧‧Power detection unit

14‧‧‧Second switch unit

15‧‧‧Load detection unit

16‧‧‧Control unit

17‧‧‧Warning unit

18‧‧‧Lightning protection unit

160‧‧‧ processor

161‧‧‧Display unit

162‧‧‧Communication unit

163‧‧‧ storage unit

1 is a first architectural diagram of the automatic reset power protection device of the present invention; and FIG. 2 is a second structural diagram of the automatic reset power protection device of the present invention.

Claims (9)

An automatic reset power protection device includes: a first switch unit coupled to an external AC power source; a circuit protection unit coupled to the first switch unit; and a circuit setting unit coupled to the circuit protection unit a reference value for setting a power abnormality of the circuit protection unit; a power detection unit coupled to the external AC power source for detecting a voltage value of the external AC power source; and a second switch unit having an input end The circuit protection unit is coupled to the output, and the output is coupled to the load; wherein the circuit setting unit is coupled to the second switch unit for setting a reset time of the second switch unit; The control unit is coupled to the first switch unit, the circuit protection unit, the circuit setting unit, the power detection unit, and the control unit is coupled to the load. The second switching unit and the load detecting unit; and a warning unit are coupled to the control unit; wherein, when the voltage value is abnormal, the power detecting unit generates a different The voltage information is given to the control unit. At this time, the control unit controls the first switch unit and the second switch unit to be turned off by the abnormal voltage information to stop the external AC power supply to continue to output power, and the warning unit emits sound. The light detecting unit continues to detect the voltage value of the external AC power source. When the second switching unit is reset and the voltage value returns to normal, the power detecting unit generates a normal voltage information. Giving the control unit, and the control unit controls the first switch unit to be turned on by the normal voltage information, so that the external AC power source outputs power to the load; wherein when the current value is abnormal, the load detecting unit generates An abnormal current information is given to the control unit. At this time, the control unit controls the circuit protection unit and the second switch unit to be turned off by the abnormal current information to stop the external AC power output power to the load, and at the same time, the warning The unit emits an audible and visual warning, and the load detecting unit continuously detects the impedance value of the load. When the second switching unit is reset and the load detecting unit detects that the impedance value of the load returns to normal, the power detection The measuring unit generates a normal current information to the control unit, and the control unit controls the circuit protection unit to be turned on by the normal current information, so that the external AC power source continues to output power to the load. The automatic reset power protection device of claim 1, wherein the warning unit is an audible and visual alarm. The automatic reset power protection device of claim 1, wherein the control unit further comprises: a processor coupled to the first switch unit, the circuit protection unit, the circuit setting unit, and the power supply a detecting unit, the second switching unit, the load detecting unit and the warning unit; a display unit coupled to the processor for displaying the abnormal voltage information of the control unit, the normal voltage information, the Abnormal current information and the normal current information; a communication unit is coupled to the processor for remotely monitoring and notifying the abnormal voltage information, the normal voltage information, the abnormal current information and the normal current information of the control unit on an electronic device; The storage unit is coupled to the processor for storing the abnormal voltage information, the normal voltage information, the abnormal current information, and the normal current information of the control unit. The automatic reset power protection device of claim 1, further comprising a lightning protection unit coupled between the first switch unit and the external AC power source. The automatic reset power protection device of claim 1, wherein the first switch unit is an electromagnetic switch. The automatic reset power protection device of claim 1, wherein the circuit protection unit is a leakage protection circuit breaker. The automatic reset power protection device of claim 1, wherein the second switch unit is a timing relay. The automatic reset power protection device according to claim 1, wherein the abnormal voltage information is any one of the following: overvoltage information or undervoltage information. The automatic reset power protection device according to claim 1, wherein the abnormal current information is any one of the following: short circuit information, over current information or leakage information.