Remote control switch with overload and short circuit protection

Abstract

The invention relates to a remote control switch with overload and short circuit protection. The remote control switch comprises a bottom plate; the protection device is used for breaking the circuit when overload or short circuit occurs in the circuit; the cover plate is arranged on the bottom plate; the circuit board is provided with wiring terminals and a relay, the wiring terminals comprise a first input terminal, a second input terminal, a first output terminal and a second output terminal, the second input terminal is electrically connected with the first output terminal, and the relay is electrically connected with the second input terminal. The protection device is electrically connected between the relay and the first input terminal or between the relay and the second output terminal. Wherein the circuit board is arranged on the bottom plate and located in the cover plate, and the wiring terminal extends out of the cover plate. The protection device has the beneficial effects that when overload or short circuit occurs in the circuit, the protection device can timely and effectively break the circuit, so that the remote control switch and each piece of electrical equipment are protected.

Description

Technical Field

[0001] The invention relates to the technical field of remote control switches, and in particular to a remote control switch with overload and short circuit protection. Background Art

[0002] The remote control switch is one of the commonly used products in modern industry or modern families. It consists of a movable remote control transmitter and a switch receiver fixed on the wall. The remote control switch is divided into two parts: the transmitter (remote control) and the receiver (switch). The transmitter encodes the control electrical signal, then modulates (infrared modulation, electromagnetic wave modulation and network data signal modulation), converts it into a wireless signal and sends it out; the receiving principle: receive the radio wave signal carrying information, then amplify and decode it to obtain the original control electrical signal, and then amplify the power of the electrical signal to drive related electrical components (thyristors, relays and MOS tubes).

[0003] When the existing remote control switch is in use, the power supply end and the device to be controlled are connected to the wiring terminals of the remote control switch, and the remote control switch is used to control the on and off of the circuit, thereby realizing the switching of the device to be controlled. However, the existing remote control switch does not have a protection function. When an overload or short circuit occurs in the circuit, it is easy to cause damage to the device to be controlled. Summary of the invention

[0004] In view of the deficiencies in the prior art, the object of the present invention is to provide a remote control switch with overload and short circuit protection to solve the above problems.

[0005] The technical solution of the present invention is implemented as follows: a remote control switch with overload and short circuit protection, comprising:

[0006] Base plate;

[0007] A protection device, wherein the protection device is used to disconnect the circuit when an overload or short circuit occurs in the circuit;

[0008] A cover plate, the cover plate being arranged on the bottom plate;

[0009] A circuit board, wherein the circuit board is provided with a wiring terminal and a relay, wherein the wiring terminal includes a first input terminal, a second input terminal, a first output terminal, and a second output terminal, wherein the second input terminal and the first output terminal are electrically connected, and the protection device is electrically connected between the relay and the first input terminal or between the relay and the second output terminal;

[0010] Wherein, the circuit board is arranged on the bottom plate and located inside the cover plate, and the connection terminals extend out of the cover plate.

[0011] By adopting the above technical solution, the protection device is connected between the relay of the circuit board and the external device to be controlled. Therefore, when an overload or short circuit occurs in the circuit, the protection device can disconnect the circuit in a timely and effective manner, thereby protecting the remote control switch and various electrical equipment.

[0012] The present invention is further configured such that: the protection device is configured as a circuit breaker.

[0013] By adopting the above technical solution, the circuit breaker can promptly and effectively disconnect the circuit when an overload or short circuit occurs in the circuit, thereby achieving a better protection effect.

[0014] The present invention is further configured as follows: the protection device is a plug-in circuit breaker, the cover plate is provided with a socket for installing the plug-in circuit breaker, a circuit breaker base is provided in the socket, the circuit breaker base is plugged into the plug-in circuit breaker, and the plug-in circuit breaker is electrically connected to the circuit board through the circuit breaker base.

[0015] By adopting the above technical solution, the plug-in circuit breaker can be easily assembled and disassembled, and the pins of the plug-in circuit breaker are electrically connected to the circuit board through the circuit breaker base, so the connection is stable.

[0016] The present invention is further configured as follows: the relay includes a first pin and a second pin, the first pin is electrically connected to the first input terminal, the second pin is connected to a pin of the protection device through the circuit breaker base, and the other pin of the protection device is electrically connected to the second output terminal through the circuit breaker base.

[0017] By adopting the above technical solution, the output end of the relay first passes through the protection device and then is output from the second output terminal to the device to be controlled. Therefore, when an overload or short circuit occurs in the circuit, the protection device can disconnect the circuit in a timely and effective manner, thereby providing protection, and the protection effect is better.

[0018] The present invention is further configured such that: the circuit breaker base is fixedly installed in the socket by means of bolts.

[0019] By adopting the above technical solution, the disassembly and assembly of the circuit breaker base are very convenient and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1It is a structural schematic diagram of a specific implementation mode of the present invention;

[0022] Figure 2 This is a schematic diagram of the structure when the protective device of the present invention is removed;

[0023] Figure 3 The internal structure of the specific embodiment of the present invention is shown in FIG. Figure 1 ;

[0024] Figure 4 The internal structure of the specific embodiment of the present invention is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] like Figure 1-Figure 4 As shown, the present invention discloses a remote control switch with overload and short circuit protection, comprising:

[0027] Bottom plate 1;

[0028] A protection device 2, wherein the protection device 2 is used to disconnect the circuit when an overload or short circuit occurs in the circuit;

[0029] A cover plate 3, wherein the cover plate 3 is arranged on the bottom plate 1;

[0030] A circuit board 4, wherein the circuit board 4 is provided with a wiring terminal and a relay 44, wherein the wiring terminal includes a first input terminal 40, a second input terminal 41, a first output terminal 42, and a second output terminal 43, wherein the second input terminal 41 and the first output terminal 42 are electrically connected, and the protection device 2 is electrically connected between the relay 42 and the first input terminal 40 or between the relay 42 and the second output terminal 43;

[0031] The circuit board 4 is arranged on the bottom plate 1 and located inside the cover plate 3 , and the connection terminals extend out of the cover plate 3 .

[0032] By adopting the above technical solution, the protection device 2 is connected between the relay 42 of the circuit board 4 and the external device to be controlled. Therefore, when an overload or short circuit occurs in the circuit, the protection device 2 can disconnect the circuit in a timely and effective manner, thereby protecting the remote control switch and various electrical equipment.

[0033] In the embodiment of the present invention, the protection device 2 is configured as a circuit breaker.

[0034] By adopting the above technical solution, the circuit breaker can promptly and effectively disconnect the circuit when an overload or short circuit occurs in the circuit, thereby achieving a better protection effect.

[0035] In the embodiment of the present invention, the protection device 2 is a plug-in circuit breaker, and the cover plate 3 is provided with a socket 30 for installing the plug-in circuit breaker. A circuit breaker base 5 is provided in the socket 30, and the circuit breaker base 5 is plugged into the plug-in circuit breaker. The plug-in circuit breaker is electrically connected to the circuit board 4 through the circuit breaker base 5.

[0036] By adopting the above technical solution, the plug-in circuit breaker can be easily assembled and disassembled, and the pins of the plug-in circuit breaker are electrically connected to the circuit board 4 through the circuit breaker base 5, and the connection is stable.

[0037] In an embodiment of the present invention, the relay 44 includes a first pin 440 and a second pin 441, the first pin 440 is electrically connected to the first input terminal 40, the second pin 441 is connected to a pin of the protection device 2 through the circuit breaker base 5, and the other pin of the protection device 2 is electrically connected to the second output terminal 43 through the circuit breaker base 5.

[0038] By adopting the above technical solution, the output end of the relay 44 first passes through the protection device 2, and then is output from the second output terminal 43 to the device to be controlled. Therefore, when an overload or short circuit occurs in the circuit, the protection device 2 can disconnect the circuit in a timely and effective manner, thereby providing better protection.

[0039] In the embodiment of the present invention, the circuit breaker base 5 is fixedly installed in the insertion hole 30 by means of bolts.

[0040] By adopting the above technical solution, the assembly and disassembly of the circuit breaker base 5 is very convenient and stable.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A remote control switch with overload and short circuit protection, characterized in that: include: Bottom plate (1); A protection device (2), the protection device (2) being used to disconnect the circuit when an overload or short circuit occurs in the circuit; A cover plate (3), wherein the cover plate (3) is arranged on the base plate (1); A circuit board (4), wherein the circuit board (4) is provided with a wiring terminal and a relay (44), wherein the wiring terminal comprises a first input terminal (40), a second input terminal (41), a first output terminal (42), and a second output terminal (43), wherein the second input terminal (41) and the first output terminal (42) are electrically connected, and the protection device (2) is electrically connected between the relay (42) and the first input terminal (40) or between the relay (42) and the second output terminal (43); The circuit board (4) is arranged on the bottom plate (1) and is located inside the cover plate (3), and the connection terminals extend out of the cover plate (3).

2. A remote control switch with overload and short circuit protection according to claim 1, characterized in that: The protection device (2) is configured as a circuit breaker.

3. A remote control switch with overload and short circuit protection according to claim 1, characterized in that: The protection device (2) is a plug-in circuit breaker. The cover plate (3) is provided with a socket (30) for installing the plug-in circuit breaker. A circuit breaker base (5) is provided in the socket (30). The circuit breaker base (5) is plugged into the plug-in circuit breaker. The plug-in circuit breaker is electrically connected to the circuit board (4) via the circuit breaker base (5).

4. A remote control switch with overload and short circuit protection according to claim 3, characterized in that: The relay (44) comprises a first pin (440) and a second pin (441), the first pin (440) being electrically connected to the first input terminal (40), the second pin (441) being connected to a pin of the protection device (2) via a circuit breaker base (5), and the other pin of the protection device (2) being electrically connected to the second output terminal (43) via the circuit breaker base (5).

5. A remote control switch with overload and short circuit protection according to claim 3, characterized in that: The circuit breaker base (5) is fixedly installed in the insertion hole (30) by means of bolts.

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