CN217641142U - Remote-control electronic energy-saving safety switch - Google Patents

Abstract

A remote control electronic energy-saving safety switch is provided, wherein a circuit board is arranged in a shell to form a control unit; the magnetic attraction type relay is electrically connected with the control unit; the internal circuit comprises a power line and a front end control line which are communicated with the circuit board, and a load line and a rear end control line which are communicated with the magnetic type relay; a plurality of electric contacts which are arranged outside the shell, correspond to each other and are respectively connected with the internal circuit; the application contact switch is arranged at the far end and is connected with the electric contact of the front control line, and the external load is connected with the electric contact of the load line; the ON upper contact switch can enable the magnetic-type relay to be instantly connected with the load line to enable the external load to be electrified, and the coil in the magnetic-type relay does not need to be electrified; furthermore, the circuit breaker is arranged on the magnetic attraction type relay and can disconnect or connect the load line when the internal device fails; and setting a current transformer for powering off when overload occurs; a timer for performing a delay circuit-breaking; the wireless transmission device is used for wirelessly and remotely controlling the actuation of the magnetic attraction type relay; therefore, the utility model discloses have remote control, energy-conservation, convenient, safety and the multiple benefit of validity.

Description

Remote-control electronic energy-saving safety switch

Technical Field

The utility model relates to an electrical switch indicates application circuit board, magnetism to inhale formula relay, internal circuit and protection device especially to reach a far-end remote control, energy-conserving, convenient, safe, an effectual energy-conserving safety switch of far-end remote control electronic type.

Background

A plurality of rooms and various electric appliances with different energy consumption are arranged in a common household, however, some electric appliances such as an electric cooker, a microwave oven and the like are unsafe; some electrical equipment such as a television, a bed head stereo and the like are not energy-saving if in a standby state; moreover, when the members in the room are not at home for a long time, the electrical equipment is not needed, and the plug of the electrical equipment is often required to be pulled out of the socket in consideration of safety and energy saving.

Next, the publication M501034 discloses a "single-loop energy-saving safety device", as shown in fig. 1, a power switch and an energy-saving brake switch are installed in a thin body, and when no member is present in the house, the power switch module is turned off in real time through the energy-saving brake switch for an unimportant load such as a lamp or a standby appliance; in addition, for important loads such as refrigerators, monitors, electric cookers, etc., a power supply switch is used to save energy and prevent the occurrence of electric wire fire. However, the utility model uses mechanical structures such as the micro-switch, the electromagnetic solenoid, the connecting piece and the swinging piece, and not only has complex structure and high cost, but also lacks an overload protection device, and has energy-saving benefit but also has defects in safety protection.

In addition, the ordinary motels are equipped with independent electrical switches, and when the entrant leaves, if the electrical switch is switched off, the automobile falls down without waiting for the opening of the electric iron door, so that the electrical switch with delayed action is not provided, and the requirement of the motel industry cannot be met.

SUMMERY OF THE UTILITY MODEL

The main technical problem to be solved by the present invention is to overcome the above-mentioned defects of the prior art, and to provide a remote control electronic energy-saving safety switch, which adopts an electronic structure switch of a circuit board and a magnetic relay, so as to achieve the benefits of remote control and energy-saving and power-saving; an electronic structure switch with overload protection and delayed actuation to achieve safety protection and meet the requirements of users; one or more parallel loops can be connected independently, so that the connected loads are controlled and protected safely, and further, an energy-saving and safe electric device is achieved.

The utility model provides a technical scheme that its technical problem adopted is:

a remote-controlled electronic energy-saving safety switch, comprising: the inner edge of the shell is provided with a containing space, and the front side of the shell is provided with a plurality of openings; a circuit board is arranged in the accommodating space and is assembled with various electronic components to form a control unit; the magnetic attraction type relay is provided with a coil and an attraction type switch, is arranged on the side edge of the circuit board and is electrically connected with the control unit; the internal circuit comprises a power line and a front end control line which are communicated with the circuit board, and a load line and a rear end control line which are communicated with the magnetic type relay; a plurality of electric contacts which are arranged outside the shell, correspond to the internal circuit and are respectively connected with the front control line, the rear control line, the power line and the load line; the shell cover is combined on the shell to protect the components arranged on the inner edge of the shell. The application contact switch is arranged at the far end and is connected with the electric contact of the front control line through a wire, and then the external load is connected with the electric contact of the load line through a wire; the contact switch is turned ON, so that the magnetic-type relay can be instantly connected with the load line to connect the external load with electricity, and the coil in the magnetic-type relay can still maintain the connection of the adsorption switch without being electrified, thereby achieving the benefits of remote control, energy saving and electricity saving.

A relay is an electronic control assembly, which has a control system (also called an input loop) and a controlled system (also called an output loop), and is usually applied to an automatic control circuit; it is an automatic switch which applies small current to control large current; the magnetic attraction type relay is a novel relay developed in recent years, and has the function of automatically switching on and off a circuit; the magnetic relay is characterized in that the magnetic relay is completely kept by the magnetic force of a permanent magnet in a normally closed or normally open state, and the switching of the open state and the closed state is completed by triggering a coil by pulse electric waves with a certain width. Therefore, the magnetic relay can complete the switching of the open and close states in 10ms, and the state of the magnetic relay can be maintained only by the magnetic force of the permanent magnet without continuing the energization of the coil when the contact is in the hold state.

According to the characteristics of the previous disclosure, the magnetic attraction type relay also comprises a circuit breaker which is arranged on the magnetic attraction type relay, and the circuit breaker can be operated to disconnect or connect with a load line under the state that the circuit board or the magnetic attraction type relay is invalid, so as to ensure the safety and the effectiveness of the device; the outer edge of the circuit breaker is provided with a switch plectrum for operating the opening and closing action of the circuit breaker.

According to the feature of the disclosure, the present invention further comprises a current transformer disposed on the rear-end control line and electrically connected to the control unit for detecting the current amount and cutting off the connection of the load line under the over-current condition.

According to the front-opening characteristic, the utility model discloses in still include the timer, set up on this circuit board, and inhale formula relay by this the magnetism of this the control unit electric connection, this timer is equipped with the driving lever, arranges the opening part of this casing in, can set for the open circuit time who delays this load line.

According to the front opening feature, the utility model discloses in still include the braking piece, install in the opening part of this casing, it has knob and dog, borrows by rotating this knob displaceable this dog, makes this dog can backstop this circuit breaker's operation.

According to the characteristics of the front cover, the utility model discloses in still include the LED bulb, install on this circuit board, and arrange the opening lower edge of this casing in, borrow the light color of this LED bulb, but display circuit's connected state.

According to the preceding characteristic of revealing, the utility model discloses in still including wireless transmission device, be equipped with first wireless transmission module in this wireless transmission device, it connects through second wireless transmission module and this front end control line and this the control unit of electric connection to this actuation of formula relay is inhaled to this magnetism of wireless remote control.

According to the characteristics of the front-lift, the utility model discloses in can adopt single or several to connect the return circuit, make the load of connecting receive control and safety protection respectively, and then reach energy-conserving and safe electric device.

According to the characteristics of the previous disclosure, the present invention further comprises a program input window disposed on the circuit board for inputting a program to change the setting value of the control unit.

With the help of the front-end-uncovering feature, the utility model discloses "remote control electronic type energy-saving safety switch" has following benefit:

(1) The utility model is provided with a circuit board in the shell to form a control unit; the magnetic attraction type relay is electrically connected with the control unit; the internal circuit comprises a power line, a front-end control line, a load line and a rear-end control line; a plurality of electrical contacts corresponding to and respectively connected to the internal circuit; the application contact switch is arranged at the far end and is connected with the electric contact of the front control line, and the external load is connected with the electric contact of the load line; the contact switch ON ON can make the magnetic-type relay connect with the load line instantly to connect the external load, and the coil inside can maintain the connection of the adsorption switch without being electrified; therefore, the utility model not only has simple mechanism and small volume, but also can reduce the production cost and achieve the benefits of remote control, energy conservation and power conservation.

(2) The utility model discloses set up circuit breaker on the formula relay is inhaled to magnetism, can inhale the formula relay state that became invalid with magnetism at the circuit board, operate circuit breaker and carry out the disconnection or the connection operation of load line, can consequently ensure the safety and the validity of this device.

(3) The utility model is provided with the current transformer for detecting whether the current is overloaded or not, and can cut off the connection of the load line; setting a timer for delaying the open time of the load line; therefore, the utility model discloses have safety, energy-conservation and convenient multiple benefit.

(4) The utility model can be connected with a wireless transmission device in parallel, and is used for wirelessly remotely controlling the actuation of the magnetic attraction type relay; the wireless transmission device and the contact switch arranged at the far end can coexist and synchronously operate, thereby avoiding the influence of the ON-OFF state conflict ON the operation reliability of the internal device.

(5) The utility model can use a remote-control electronic energy-saving safety switch to form a single-load loop, and can also use a plurality of remote-control electronic energy-saving safety switches to form a multi-load loop; just the utility model discloses can make the load return circuit of connecting receive control and safety protection respectively, and then reach energy-conserving and safe electric device.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a structural view of a conventional single-circuit energy-saving safety device.

Fig. 2 is a perspective view of the present invention.

Fig. 3 is an exploded perspective view of the present invention.

Fig. 4 is the utility model discloses use the circuit schematic diagram of magnetism formula relay of inhaling.

Fig. 5 is a schematic diagram of the wireless remote control device of the present invention.

Fig. 6 is a single load circuit diagram of the present invention.

Fig. 7 is a multi-load circuit diagram of the present invention.

The reference numbers in the figures illustrate:

10: shell body

11: containing space

12: first opening

13: second opening

14: third opening

15: the fourth opening

18: shell cover

20: circuit board

21: control unit

22: first signal line

23: second signal line

24: third signal line

25 Wireless transmission device

251 first wireless transmission module

26 second wireless transmission module

30: magnetic attraction type relay

31: coil

32: adsorption switch

40: internal circuit

41: power line

42: load line

43: front end control line

44: back end control line

45: first electric contact

46: second electrical contact

47: third electrical contact

48: fourth electrical contact

50: current transformer

60: circuit breaker

62: braking part

621: rotary knob

622: stop block

70: timer

71: deflector rod

72: LED bulb

73: program input window

81: first line

82: second line

83: third line

831: switch parallel connection line

84: fourth line

85: the fifth circuit

86: sixth line

861: load parallel line

91: live wire

92: neutral line

93: contact switch

94: load(s)

100: remote-controlled electronic energy-saving safety switch

Detailed Description

First, please refer to fig. 2-3, which illustrate the structure of the remote-controlled electronic energy-saving safety switch 100 of the present invention, comprising: a housing 10, the inner edge of which has a containing space 11, and the front side of which is provided with four openings, namely a first/second/third/fourth opening 12/13/14/15; a circuit board 20 disposed in the accommodating space 11 and assembled with various electronic components to form a control unit 21; a magnetic relay 30 having a coil and an adsorption switch (not shown) disposed at a side edge of the circuit board 20 and electrically connected to the control unit 21; an internal circuit 40 including a power line 41 and a front control line 43 communicating with the circuit board 20, and a load line 42 and a rear control line 44 communicating with the magnetic relay 30; a current transformer 50 disposed on the back end control line 44 and electrically connected to the control unit 21 for detecting whether the current is overloaded; a cut-off switch 60 provided on the magnetic relay 30 and capable of opening and closing the connection of the load line 42; a timer 70 disposed on the circuit board 20 and electrically connected to the magnetic relay 30 via the control unit 21, wherein the timer 70 has a lever 71 disposed at the first opening 12 of the housing 10 for setting an open-circuit time of the load line 42; four electrical contacts including first/second/third/fourth electrical contacts 45/46/47/48 disposed outside the housing 10 and connected to the power line 41, the front control line 43, the load line 42, and the rear control line 44, respectively; a switch breaking plate (not shown) disposed in the third opening 14 of the housing 10 and connected to the switch breaking 60 for operating the switch breaking 60 to open and close; a housing cover 18 coupled to the housing 10 for protecting components mounted on the inner edge of the housing 10.

In summary, the circuit breaker 60 is used as a backup switch in the present invention, that is, when the circuit board 20 or the magnetic-type relay 30 is in a failure state, the circuit breaker 60 can be operated to disconnect or connect the load line 42, so as to ensure the safety and effectiveness of the device; furthermore, the present invention further includes a braking member 62 installed in the second opening 13 of the housing 10, which has a knob 621 and a stopper 622, such that the knob 621 is rotated to displace the stopper 622, and the stopper 622 can stop the open/close of the circuit breaker 60.

The utility model also comprises an LED bulb 72 which is arranged on the circuit board 20 and is arranged at the fourth opening 15 of the shell 10, and the connection state of the circuit can be displayed by the light color of the LED bulb 72; the lamp color is extinguished in the mode 1: indicating that the device is not powered; pattern 2 light bright red: the device is electrified, but the contact is open; pattern 3 light bright green: indicating that the contact is closed and the load is electrified; state 4 light color flashing red green: the device is shown in the process of current detection; state 5 lamp color flash red: indicating the over-current protection tripping of the device; pattern 6 light color flash green: the delay timing of the present apparatus is shown.

The utility model also comprises a program input window 73, which is arranged on the circuit board 20, and can provide the system setting person to transmit a specific program to change the setting value of the control unit by means of the program input window 73, including the overload current value, the overload time, the delay time of the timer 70, and the color of the LED bulb 72, so as to meet the individual requirements of the user.

The remote-control electronic energy-saving safety switch 100 of the present invention can be a 1P (single-phase) structure, the internal circuit 40 of the remote-control electronic energy-saving safety switch includes a power line 41, a load line 42, a front-end control line 43, and a rear-end control line 44, and the number of the electrical contacts corresponds to the number of the internal circuit 40, so that the number of the electrical contacts is 4, and the electrical contacts are correspondingly connected to the power line 41, the load line 42, the front-end control line 43, and the rear-end control line 44, respectively; the utility model discloses remote control electronic energy-saving safety switch 100 can also be applied to 2P (two-phase) and 3P (three-phase) structures, however, the internal circuit of 2P (two-phase) structure is two power lines, two load lines, a front end control line, and a rear end control line, and the number of the electrical contacts is 6 because of the number corresponding to the internal circuit, and is connected with the two power lines, two load lines, a front end control line, and a rear end control line respectively; when the utility model discloses use when 3P (three-phase) structure, its internal circuit is three power cords, three load lines, a front end control line, and a rear end control line, and electric contact is because of corresponding this internal circuit's quantity, so its electric contact's quantity has 8 to be connected with these three power cords, three load lines, a front end control line, with a rear end control line respectively.

Fig. 4 is a schematic circuit diagram of the magnetic relay of the present invention; wherein, the power line 41 and the front control line 43 are communicated with the circuit board 20, and the load line 42 and the rear control line 44 are communicated with the magnetic-type relay 30; the circuit board 20 is connected with the magnetic-type relay 30 through a first/second/third signal wire 22/23/24; the circuit diagram further includes a touch switch 93 electrically connected to the second electrical contact 46 of the front control line 43 and an external load 94 electrically connected to the third electrical contact 47 of the load line 42; when the contact switch 93 is turned ON, the control unit 21 of the circuit board 20 will send out pulse electric wave via the first and second signal lines 22/23 to trigger the coil 31 of the magnetic relay 30 to drive the absorption switch 32 to operate, so that the load line 42 and the rear control line 44 will be connected to connect the load 94; when the touch switch 93 is turned OFF, the control unit 21 of the circuit board 20 will send out pulse electric wave via the second and third signal lines 23/24 to trigger the coil 31 of the magnetic relay 30 to drive the absorption switch 32 to operate, so that the load line 42 and the rear control line 44 will be disconnected to turn OFF the load 94; because the adsorption switch 32 is provided with the permanent magnet, the coil 31 can ensure that the adsorption switch 32 maintains the connection of the contact without being electrified, so the magnetic adsorption relay can achieve the effects of energy saving and electricity saving; furthermore, the open switch 60 as a backup is installed on the magnetic attraction relay 30 and directly connected to the attraction switch 32; when the circuit board 20 or the magnetic relay 30 fails, the disconnecting switch 60 is operated to activate the attraction switch 32, and the load line 42 is disconnected or connected.

Referring to fig. 5, the present invention further includes using a wireless transmission device 25, in this embodiment, the wireless transmission device 25 may be a mobile device, such as a mobile phone, a tablet computer, or a remote controller. The wireless transmission device 25 is provided with a first wireless transmission module 251, which is connected in parallel with the front control line 43 through a second wireless transmission module 26 and is electrically connected with the control unit 21 for wirelessly and remotely controlling the actuation of the magnetic relay 30; the utility model discloses in this first, second wireless transmission module 251, 26, including Wi-Fi, nevertheless not so limit, only need this first, second wireless transmission module 251, 26 can mutual transmission can. Therefore, the user can remotely control the actuation of the magnetic relay 30 through the wireless transmission device 25.

The utility model uses a remote control electronic energy-saving safety switch 100 to form a single load loop, and the installation circuit is shown in figure 6; wherein the single load loop is required to house a load 94 and a contact switch 93, and four electrical contacts 45/46/47/48 for external user wiring. First, the first line 81 connects the live wire 91 and the first electrical contact 45, the second line 82 connects the first line 81 and the input terminal of the touch switch 93 in parallel, and the third line 83 connects the output terminal of the touch switch 93 and the second electrical contact 46; a fourth line 84 connecting the neutral line 92 to the output of the load 94, a fifth line 85 connecting the third electrical contact 47 to the input of the load 94, and a sixth line 86 in parallel with the fourth line 84 and the fourth electrical contact 48; wherein, this load 94 can include the parallelly connected electrical apparatus articles for use of several, and should touch behind the switch 93 ON, this return circuit will see through this magnetism and inhale the actuation of formula relay 30, and make the electric current pass through this load 94, simultaneously the utility model provides a current transformer 50, circuit breaker 60, timer 70, and LED bulb 72, because of setting up ON this return circuit, consequently will can exert overcurrent protection, back-up operation, postpone the state of opening the way time and showing this return circuit switching.

The single load circuit of the present embodiment is more suitable for the individual user installed in the motel, because the contact switch 93 must be opened to cut off the power supply of the indoor electric power when the occupant leaves the motel, and the timer 70 in the load circuit can set the open time of the delay load line 42 because the present invention is installed with the timer 70, so the occupant has enough time to open the car and the single load circuit is opened after the electric iron door falls; therefore, the utility model can meet the requirements of the motel industry.

The utility model can also use more than two remote control electronic energy-saving safety switches 100 to form a multi-load loop state, and the installation circuit is shown in fig. 7; wherein, the multi-load loop needs to be respectively provided with a load 94 and a contact switch 93, and the connection wires thereof comprise first to fifth lines 81-85; the last wiring of the remote control electronic energy-saving safety switch 100 includes a first line 81, fourth to sixth lines 84 to 86; the connection wires of the other remote control electronic energy-saving safety switches 100 comprise a first circuit 81 and fourth to fifth circuits 84 to 85; in addition, the circuit needs to be provided with a switch parallel line 831 and a load parallel line 861, wherein the switch parallel line 831 is connected in parallel with the third line 83 and is connected in series with the second electrical contact 46 of each remote control electronic energy-saving safety switch 100, and the load parallel line 861 is connected in parallel with the sixth line 86 and is connected in series with the fourth electrical contact 48 of each remote control electronic energy-saving safety switch 100; when the contact switch 93 is turned ON, each remote-control electronic energy-saving safety switch 100 will be activated by each magnetic-attraction relay 30 connected in parallel to make current pass through each load 94, and each current transformer 50, circuit-breaking switch 60, timer 70 and LED bulb 72 will perform its overcurrent protection, backup operation, delay open-circuit time and display the ON-off state of each load power supply.

The utility model is provided with a circuit board 20 in the shell 10 to form a control unit 21; a magnetic attraction relay 30 electrically connected to the control unit 21; an internal circuit 40 including a power line 41, a front-end control line 43, a load line 42, and a rear-end control line 44; a plurality of electrical contacts 45-48, which are connected to the internal circuit 40 correspondingly and respectively; and an application contact switch 93 disposed at the distal end and connected to the electrical contact of the front control line 43, and an external load 94 connected to the electrical contact of the load line 42; ON the ON contact switch 93, the magnetic relay 30 can be instantly connected to the load line to connect the external load 94 to the power, and the coil 31 inside can still maintain the connection of the adsorption switch 32 without being powered again; therefore, the utility model discloses except that the mechanism is simple small, but reduction in production cost, more can reach the benefit of remote control and energy-conserving power saving. The next place, the utility model discloses set up circuit breaker 60 on magnetic type relay 30, can inhale under the state that formula relay 30 became invalid at circuit board 20 and magnetism, operation circuit breaker 60 carries out the disconnection or the connection operation of load line 42, can consequently ensure the safety and the validity of this device. Furthermore, the present invention is provided with a current transformer 50 for detecting whether the current is overloaded, so as to cut off the connection of the load line 42; a timer 70 for delaying the open time of the load line 42; therefore, the utility model discloses have safety, energy-conservation and convenient multiple benefit. Furthermore, the utility model can be connected with the wireless transmission device 25 for wireless remote control of the actuation of the magnetic attraction type relay 30; the wireless transmission device 25 and the contact switch 93 at the far end can coexist and operate synchronously, thereby avoiding the influence of the ON-OFF state conflict ON the operation reliability of the internal device. Furthermore, the present invention can use a remote-control electronic energy-saving safety switch 100 to form a single-load circuit, and can also use a plurality of remote-control electronic energy-saving safety switches 100 to form a multi-load circuit; just the utility model discloses can make the load return circuit of connecting receive control and safety protection respectively, and then reach energy-conserving and safe electric device.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (9)

1. A remote control electronic energy-saving safety switch is characterized by comprising:

the inner edge of the shell is provided with an accommodating space, and the front side of the shell is provided with a plurality of openings;

the circuit board is arranged in the accommodating space and is provided with a plurality of electronic components to form a control unit;

the magnetic attraction type relay is provided with a coil and an attraction type switch, is arranged on the side edge of the circuit board and is electrically connected with the control unit;

the internal circuit comprises a power line and a front end control line which are communicated with the circuit board, and a load line and a rear end control line which are communicated with the magnetic type relay;

a plurality of electric contacts which are arranged outside the shell, correspond to the internal circuit and are respectively connected with the front control line, the rear control line, the power line and the load line;

a shell cover combined on the shell body to protect the elements arranged on the inner edge of the shell body; and

the application contact switch is arranged at the far end and is connected with the electric contact of the front control wire through an electric wire, and then the external load is connected with the electric contact of the load wire through the electric wire; the contact switch is turned ON, so that the magnetic-type relay is instantly connected with the load line to connect the external load with electricity, and the coil in the magnetic-type relay can still maintain the connection of the adsorption switch without being electrified, thereby achieving the benefits of remote control and energy and electricity saving.

2. The remote-controlled electronic energy-saving safety switch according to claim 1, further comprising a circuit breaker disposed on the magnetic relay, wherein the circuit breaker is operable to disconnect or connect the load line when the circuit board or the magnetic relay fails; the outer edge of the circuit breaker is provided with a switch plectrum for operating the opening and closing action of the circuit breaker.

3. The remote-controlled electronic energy-saving safety switch according to claim 1, further comprising a current transformer disposed on the rear-end control line and electrically connected to the control unit for detecting the amount of current and cutting off the connection of the load line under an over-current condition.

4. The remote control electronic energy-saving safety switch as claimed in claim 1, further comprising a timer disposed on the circuit board and electrically connected to the magnetic relay via the control unit, wherein the timer has a driving lever disposed at the opening of the housing for setting an open-circuit time for delaying the load line.

5. The remote-controlled electronic energy-saving safety switch as claimed in claim 2, further comprising a stopper installed at the opening of the housing and having a knob and a stopper, wherein the stopper is displaceable by turning the knob so that the stopper stops the operation of the circuit breaker.

6. The remote-controlled electronic energy-saving safety switch according to claim 1, further comprising an LED bulb mounted on the circuit board and disposed at the lower edge of the opening of the housing, wherein the connection status of the circuit is displayed by the color of the LED bulb.

7. The remote-controlled electronic energy-saving safety switch according to claim 1, further comprising a wireless transmission device, wherein the wireless transmission device is provided with a first wireless transmission module, and the first wireless transmission module is connected in parallel with the front control line through a second wireless transmission module, and is electrically connected to the control unit, so as to wirelessly and remotely control the actuation of the magnetic-type relay.

8. The remote-controlled electronic energy-saving safety switch according to claim 1, wherein a single or multiple parallel-connected loops are used to control and protect the connected loads, respectively, thereby achieving energy-saving and safety electrical devices.

9. The remote-controlled electronic energy-saving safety switch according to claim 1, further comprising a program input window disposed on the circuit board for inputting a program to change a setting value of the control unit.

Images