JPH09147727A - Leak/circuit type on-switch and automatic on/off-switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a leak/circuit type on-switch having a simple structure or excellent in flexibility. SOLUTION: This on/off-switch is constituted of a trip switch 3 provided on a circuit having a power side terminal 1 and a load side terminal 2, a leak detecting circuit 5 provided on a power cord 9 connected to the above circuit and detecting a current, a trip coil 4 tripping the trip switch 3, and a memory switch 6 provided on a trip cord 7 connected to the leak detecting circuit 5. The output contact point is held by a mechanical trip mechanism, the trip cord 7 is provided on the trip switch 3, and a switch 6 is provided on the trip cord 7. When the switch 6 provided on the trip cord 7 is operated by external sensing or an overload to trip the trip switch 3, the power side terminal 1 and the load side terminal 2 are brought into contact with each other, and a current flows from the power side terminal 1 to the load side terminal 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earth leakage / circuit type input switch having a simple structure and an automatic on / off switch utilizing the earth leakage / circuit input switch.

[0002]

2. Description of the Related Art Conventionally known earth leakage breakers have a wide variety of uses and specifications.
An earth leakage circuit breaker having various structures (mechanisms) or functions is commercially available and proposed. Further, as a prior art, an earth leakage breaker disclosed in Japanese Utility Model Laid-Open No. 6-54186 for the purpose of ensuring a full-wave power supply to a magnet coil, or this breaker connected in parallel to a trip coil of the breaker. Japanese Patent Laid-Open No. 5-81 with a structure in which the b contact of the auxiliary switch of the above is provided
There is a 997 circuit breaker device.

[0003]

The inventions of the above-mentioned prior art documents are useful for improving the performance and safety of the earth leakage breaker. However, since it is still limited to the improvement of the conventional earth leakage breaker, there are problems, for example, in expanding the range of use and simplifying or generalizing.

In order to solve the above-mentioned problems and to further expand the range of use, priority is claimed based on Japanese Patent Application No. 7-238043.

[0005]

SUMMARY OF THE INVENTION In view of the above, the present invention provides
The following configurations are adopted with the intention of expanding and simplifying the range of use of earth leakage type input switches.

That is, the earth leakage type switch is a trip switch provided in a circuit having a power supply side terminal and a load side terminal, and an earth leakage detecting current provided in a power supply cord connected to the circuit. An electrical leakage type input-type switch comprising a trip coil for tripping a detection circuit and the trip switch, and a memory switch provided on a trip cord connected to the leak detection circuit. The trip switch is provided with a trip code in order to hold the output contact by a tripping mechanism, and a switch is provided on the trip code, and the trip code is provided with the trip code due to external sensing or overload. When the trip switch is tripped by operating the provided switch, the power supply side terminal and the load side terminal come into contact with each other at the same time and the power supply side terminal is energized to the load side terminal (power transmission).
This is a configuration characterized by being made.

Further, since it is intended to improve the versatility of the earth leakage type input switch, the following configuration is adopted.

That is, an automatic on / off switch using an earth leakage type on / off switch is a trip switch provided in a circuit having a power source side terminal and a load side terminal, and a power source connected to the circuit. A leakage type of a leakage type provided with a leakage detection circuit for detecting a current provided in the cord and a trip coil for tripping the trip switch, and a memory switch provided in the trip cord connected to the leakage detection circuit. It is an input-type switch, and the trip switch is provided with a trip code in order to hold the output contact by a mechanical engagement / disengagement mechanism. When the trip switch is tripped by actuating the switch provided in the trip cord by a load, the power supply side terminal and the load side terminal contact and the power supply side terminal to the load side terminal Electrical (power) is to a leak-type Irigata switchgear and number group placement configuration, connects the light sensor switch at its suction side, a structure formed by connecting the motor, the timer on the voltage side.

Furthermore, the present invention adopts the following configuration in order to expand and simplify the use range of the circuit type input switch.

That is, the circuit type input switch is a trip switch provided in a circuit having a power source side terminal and a load side terminal, and the output side of a zero-phase current transformer connected to the circuit is the trip side switch. A circuit-type input-type switch connected to a trip coil of a switch and connected to a memory switch provided in parallel with the trip cord, in order to hold an output contact by a mechanical hook-and-drop mechanism, The trip switch is provided with a trip code, and a switch is provided on this trip code, and the trip switch is tripped by operating the switch provided on the trip code due to external sensing or overload. At the same time, the power supply side terminal and the load side terminal come into contact with each other to energize (transmit power) from the power supply side terminal to the load side terminal.

Further, since it is intended to improve the versatility of the circuit type input switch, the following configuration is adopted.

That is, an automatic on / off switch using a circuit type on / off switch is a circuit type on / off switch, which includes a trip switch provided in a circuit having a power source side terminal and a load side terminal. The output side of the zero-phase current transformer connected to the circuit is connected to the trip coil of the trip switch, and is a circuit type input type switch to which a memory switch provided in parallel with this trip cord is connected. Yes, because the mechanical contact mechanism holds the output contact,
A trip cord is provided on the trip switch,
A switch is provided on this trip code, and the trip switch is tripped by operating the switch provided on the trip code due to external sensing, overload, etc. A large number of circuit type input-type switches that are configured to energize (transmit power) from the side terminals to the load side terminals are arranged, and the optical sensor switch is connected to the negative pressure side and the motor and timer are connected to the voltage side. It is a structure that is.

[0013]

In the earth leakage type input type switch of the present invention, since the trip switch tripping cord is provided with the memory switch and the switch, by pressing the switch after the trip switch trips, the input type opening and closing switch is opened. A trip signal is given to the trip coil of the device to trip the earth leakage type input switch. By this operation, current flows through the trip cord regardless of the memory switch, and the trip switch operates. After the trip, the trip cord switch is actuated by a factor such as external detection or overload to cut the trip switch. In other words, the mechanical contact mechanism causes the output contact to be released. In order to hold the trip switch, a trip code is provided on the trip switch, and a switch is provided on the trip code.
The trip switch is tripped by operating the switch (trigger cord side switch) provided on the trip cord due to external sensing, overload, etc., and at the same time the power supply side terminal and the load side terminal come into contact and the power supply side terminal Energize to the load side terminal (power transmission)
The configuration is characterized in that For example, the input switch is operated according to an external command and external information.
If a current flows through the trip coil for 1 second or longer, the trip coil may be burned, so that the trip cord is used to supply power from the negative pressure side. When the earth leakage type input switch is off, there is no output from the zero-phase current transformer and the trip coil does not operate.
Further, the above operation is almost the same in the circuit type input switch.

Further, as shown in FIGS. 4 and 5, a large number of leakage type / circuit type input type switches are provided, and the leakage type / circuit type input type switches are turned on and off by a timer and a motor. It is expected that the range of use will be further expanded by adopting various configurations, such as a configuration that uses an optical sensor to turn on and off.

[0015]

First, the example shown in FIG. 1 is an input type switch equipped with a trip switch which will be described later, and the example shown in FIG. 2 is an earth leakage type input type switch A. Input switch A
Is a trip switch having a trip switch 3 provided in a circuit having a power supply side terminal 1 and a load side terminal 2, a trip coil 4 for connecting and disconnecting the trip switch 3, an earth leakage detection circuit 5 and a memory switch 6. 7, a switch 8 provided on the trip cord 7, and a power cord 9 for the trip coil 4. Therefore,
When the switch 8 is pressed (turned on), a trip signal is given to the trip coil 4 and the trip switch 3
Has a structure that can be tripped. That is, the trip switch 3 is provided with a trip code 7 and a switch 8 is provided on the trip code 7 in order to hold the output contact by a mechanical engagement / disengagement mechanism. Causes the trip switch 3 to trip by actuating the switch 8 of the trip cord 7, and at the same time, the power source side terminal 1 and the load side terminal 2 contact each other to energize (transmit power) from the power source side terminal 1 to the load side terminal 2. It has a structure.

Next, the example shown in FIG. 3 is a circuit type input switch B, and this circuit type input switch B is shown.
Is a trip switch 3 provided in a circuit having a power supply side terminal 1 and a load side terminal 2, a power supply cord 9 having a trip coil 4 and a memory switch 6 for turning the tripping switch 3 on and off, and this power supply cord And a switch 8 provided on the switch 9. Therefore, switch 8
By pressing (turning on), a trip signal is given to the trip coil 4 so that the trip switch 3 can trip. That is, the trip switch 3 is provided with a trip code 7 in order to hold the output contact by a mechanical engagement / disengagement mechanism.
A switch 8 is provided on the terminal 7, and the trip switch 3 trips when the switch 8 of the trip code 7 is activated by external sensing, overload, etc., and at the same time, the power supply side terminal 1 and the load side terminal 2 come into contact with each other. The structure is such that the side terminal 1 is energized (power transmitted) to the load side terminal 2.

In the examples shown in FIGS. 4 and 5, the above-mentioned leakage type
A large number of circuit type input switches A to B are arranged, an optical sensor switch 11 is connected to the negative pressure side 10 thereof, and a motor 12 and a timer 13 are connected to the voltage side 10a thereof. It is an automatic on / off switch using the mold on / off switches A to B. By using the motor with lever 12 and the timer 13, the voltage side 10a of each of the earth-leakage type / circuit-type enclosing switches A to B is turned on or off, or by using the optical sensor switch 11 each earth-leaking type / circuit type. The negative pressure side 10 of each of the input switches A to B is turned on and off.

In the figure, reference numeral 15 is a casing of the earth-leakage type / circuit-type input switches A to B, 16 is a test button, and 17 is an operation handle.

On the negative pressure side 10 described above, various electric devices, electric / electronic devices for home / business use, etc. are provided. Further, it can be used in various fields such as security system, remote control for home, meter detection such as water meter.

[0020]

INDUSTRIAL APPLICABILITY The present invention is an earth-leakage / circuit-type input switch, which is provided with a trip code for holding the output contact by a mechanical hooking / unhooking mechanism. Install a switch on the removal code,
The trip code switch is activated by external sensing, overload, etc., and the trip switch trips. At the same time, the power supply side terminal and the load side terminal come into contact with each other to energize (transmit power) from the power supply side terminal to the load side terminal. Is. Therefore, it is possible to expand and simplify the use range of the earth leakage type / circuit type input type switch. In addition, it is small, lightweight, has excellent maneuverability, and has practical effects such as easy handling.

Further, the present invention is an automatic system in which a large number of earth leakage type / circuit type input type switches are arranged, an optical sensor switch is connected to the negative pressure side thereof, and a motor and a timer are connected to the voltage side thereof. This is an on / off switch. Therefore,
It is possible to improve the versatility of earth-leakage type and circuit type input-type switches.

The above-mentioned effects are collectively referred to as the following features. A small to large amount of current can be obtained instantaneously. In addition, the durability of the contact can be expected to be improved as compared with the conventional general-purpose remote controller RY. The current production line can be used as it is and no mold is required. You can use the current know-how as it is. Current materials can be used as they are. Due to features such as excellent workability and easy development,
It has a low price, reduces manufacturing costs, and has economical characteristics.

[Brief description of the drawings]

FIG. 1 is an overall perspective view of a partial cutout.

FIG. 2 is a circuit diagram showing a leakage-type input switch.

FIG. 3 is a circuit diagram showing a circuit type input switch.

FIG. 4 is a circuit diagram of an automatic on / off switch which utilizes a large number of on-off switches.

FIG. 5 is a perspective view of FIG.

[Explanation of symbols]

 1 Power supply side terminal 2 Load side terminal 3 Trip switch 4 Trip coil 5 Leakage detection circuit 6 Memory switch 7 Tripping code 8 Switch 9 Power cord 10 Negative pressure side 10a Voltage side 11 Optical sensor switch 12 Motor 13 Timer 15 Casing 16 Test Button 17 Operation handle A Short circuit type input switch B Circuit type input switch

Claims (4)

[Claims] 1. A trip switch provided in a circuit having a power supply side terminal and a load side terminal, an earth leakage detection circuit for detecting a current provided in a power supply cord connected to the circuit, and the trip switch. With a trip coil,
A leakage type input / output switch comprising a memory switch provided on a trip cord connected to the leakage detection circuit, wherein the trip contact is opened and closed by a mechanical latching mechanism to hold an output contact. A trip code is provided on the vessel, and a switch is provided on the trip code to detect externally.
When the trip switch is tripped by operating the switch provided in the trip code due to overload, the power supply side terminal and the load side terminal come into contact with each other and the power supply side terminal is energized (power transmission) to the load side terminal. Characteristic earth leakage type switchgear. 2. A trip switch provided in a circuit having a power supply side terminal and a load side terminal, an earth leakage detection circuit for detecting a current provided in a power supply cord connected to the circuit, and the trip switch. With a trip coil,
A leakage type input / output switch comprising a memory switch provided on a trip cord connected to the leakage detection circuit, wherein the trip contact is opened and closed by a mechanical latching mechanism to hold an output contact. A trip code is provided on the vessel, and a switch is provided on the trip code to detect externally.
The trip switch is tripped by operating the switch provided in the trip code due to overload, etc., and at the same time, the power supply side terminal and the load side terminal come into contact with each other to energize (transmit power) from the power supply side terminal to the load side terminal An automatic system that uses a leak-type input switch that connects a negative pressure side with an optical sensor switch, and connects the voltage side with a motor and a timer. ON / OFF switch. 3. A trip switch provided in a circuit having a power supply side terminal and a load side terminal, and an output side of a zero-phase current transformer connected to the circuit is connected to a trip coil of the trip switch. This trip type switch is a circuit-type input / output switch to which a memory switch provided in parallel with this trip code is connected.The trip switch is provided with a trip code in order to hold an output contact by a mechanical trip mechanism. In addition to installing a switch on this trip code,
When the trip switch is tripped by operating the switch provided in the trip code due to overload, the power supply side terminal and the load side terminal come into contact with each other and the power supply side terminal is energized (power transmission) to the load side terminal. Characteristic circuit type input type switch. 4. A trip switch provided in a circuit having a power supply side terminal and a load side terminal, and an output side of a zero-phase current transformer connected to the circuit is connected to a trip coil of the trip switch, This trip type switch is a circuit-type input / output switch to which a memory switch provided in parallel with this tripping cord is connected.The trip switch is provided with a tripping cord for holding the output contact by a mechanical interlocking mechanism. In addition to installing a switch on this trip code,
When the trip switch is tripped by operating the switch provided in the trip cord due to overload, the power supply side terminal and the load side terminal come into contact with each other and the power supply side terminal is energized (power transmission) to the load side terminal. A large number of circuit-type input switches that are connected are connected to the negative pressure side of the optical sensor switch, and the voltage side is connected to the motor and timer. Type on / off switch.