CN214315700U

CN214315700U - Lighting circuit capable of turning off lamp by one key

Info

Publication number: CN214315700U
Application number: CN202023338250.6U
Authority: CN
Inventors: 张心福; 刘子德
Original assignee: Shanghai Purple Apple Decoration Co ltd
Current assignee: Shanghai Purple Apple Decoration Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-28
Anticipated expiration: 2030-12-31

Abstract

It is an object of the present application to provide a lighting circuit for a key-off lamp. The lighting circuit comprises a main switch, an over-voltage and under-voltage protector, a lighting circuit switch, an alternating current contactor, a one-key switch, a lighting main circuit and a lighting branch circuit; the one-key switch is connected with a wire outlet of the lighting loop switch through a live wire; and a first coil contact of the alternating current contactor is connected with the one-key switch through a control line, and a second coil contact of the alternating current contactor is connected with a wire outlet of the overvoltage and undervoltage protector through a zero line. The function that the illuminating lamps in all rooms can be closed by one key at the entrance door can be realized only by adding the alternating current contactor, the one-key switch and the two wires. Compared with the prior art, the method and the device are very low in manufacturing cost and suitable for being used by vast users. After practical application this application, not only the family power consumption is safer, but also can prolong light and domestic appliance's life.

Description

Lighting circuit capable of turning off lamp by one key

Technical Field

The application relates to the field of lighting circuits, in particular to a lighting circuit technology for turning off a lamp by one key.

Background

In the house decoration process, a main switch is not usually arranged at the entrance of a house, so that people need to enter each room to turn off the illuminating lamps in the room. In daily life, some users may worry about that the lamps in the rooms are always on to waste electricity, so the users often go into each room to check before going out, which causes certain trouble to the users. Although the problem can be solved by adopting the intelligent home, most people are forbidden due to the fact that the current intelligent home is too high in manufacturing cost.

SUMMERY OF THE UTILITY MODEL

An object of the present application is to provide a lighting circuit for a key-off lamp, which solves the problem of the key-off of all indoor lighting lamps at the entrance of a house at a low cost.

In order to achieve the above object, an embodiment of the present application provides a lighting circuit for turning off a lamp by one key, where the lighting circuit includes a main switch, an over-voltage and under-voltage protector, a lighting circuit switch, an ac contactor, a key switch, a lighting main circuit, and a lighting branch;

the main switch is connected with the main incoming line; the over-voltage and under-voltage protector is connected with a wire outlet of the main switch through a live wire and a zero wire; the wire inlet of the lighting loop switch is connected with the wire outlet of the over-voltage and under-voltage protector through a live wire; the one-key switch is connected with a wire outlet of the lighting loop switch through a live wire; a first coil contact of the alternating current contactor is connected with the one-key switch through a control line, a second coil contact of the alternating current contactor is connected with a wire outlet of the over-voltage and under-voltage protector through a zero line, a live wire inlet of the alternating current contactor is connected to a wire outlet of the lighting loop switch through a live wire, and a zero line inlet of the alternating current contactor is connected to a zero line outlet of the over-voltage and under-voltage protector through a zero line; the lighting main loop is respectively connected to a live wire main outlet and a zero line main outlet of the alternating current contactor through a live wire and a zero line; the lighting branch circuit is connected in parallel to the lighting main loop.

Optionally, the master switch employs an air switch.

Optionally, the overvoltage and undervoltage protector adopts an automatic reset overvoltage and undervoltage protector.

Optionally, the lighting circuit switch adopts a 1P air switch; the 1P air switch is only provided with one incoming line port and one outgoing line port and only controls a live wire.

Optionally, the overvoltage and undervoltage protector and the lighting circuit switch are disposed within a distribution box.

Optionally, the lighting branch comprises a room switch and a room light; the number of the illumination branches is more than one.

In the scheme provided by the embodiment of the application, the lighting circuit of the key-off lamp comprises a main switch, an over-voltage and under-voltage protector, a lighting circuit switch, an alternating current contactor, a key switch, a lighting main circuit and a lighting branch circuit; the one-key switch is connected with a wire outlet of the lighting loop switch through a live wire; the utility model discloses an under-voltage protector's lighting circuit, including ac contactor, key switch, under-voltage protector's lighting circuit switch, ac contactor's first coil contact pass through the control line with a key switch connects, ac contactor's second coil contact pass through the zero line with the outlet of crossing under-voltage protector connects, ac contactor's live wire entry is connected to through the live wire lighting circuit switch's outlet, ac contactor's zero line entry is connected to through the zero line cross under-voltage protector's zero line export. The function that the illuminating lamps in all rooms can be closed by one key at the entrance door can be realized only by adding the alternating current contactor, the one-key switch and the two wires. Compared with the prior art, the method and the device are very low in manufacturing cost and suitable for being used by vast users. After practical application this application, not only the family power consumption is safer, but also can prolong light and domestic appliance's life.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of an illumination circuit for a key lamp according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of an ac contactor according to an embodiment of the present application.

The same or similar reference numbers in the drawings identify the same or similar elements.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a lighting circuit of a key-off lamp according to an embodiment of the present application, where the lighting circuit includes a main switch 1, an over-voltage and under-voltage protector 2, a lighting circuit switch 3, an ac contactor 4, a key switch 5, a lighting main circuit (composed of live wires L5, L6, and a neutral wire N4), and a lighting branch (a room switch 6, a room lighting lamp 8, and a control wire L7 constitute one lighting branch, and a room switch 7, a room lighting lamp 9, and a control wire L8 constitute another lighting branch).

The main switch 1 is connected with a main incoming line; the overvoltage and undervoltage protector 2 is connected with an outlet of the main switch 1 through a live wire L1 and a zero wire N1; the wire inlet of the lighting loop switch 3 is connected with the wire outlet of the overvoltage and undervoltage protector 2 through a live wire L2; the one-key switch 5 is connected with an outlet of the lighting loop switch 3 through a live wire L3; a first coil contact A1 of the alternating current contactor 4 is connected with the one-key switch 5 through a control line K1, a second coil contact A2 of the alternating current contactor 4 is connected with an outlet of the over-voltage and under-voltage protector 2 through a zero line N3, a live line inlet of the alternating current contactor 4 is connected to an outlet of the lighting loop switch 3 through a live line L4, and a zero line inlet of the alternating current contactor 4 is connected to a zero line outlet of the over-voltage and under-voltage protector 2 through a zero line N2; the lighting main loop consists of a live wire L5, a live wire L6 and a zero line N4, and is respectively connected to a live wire main outlet and a zero line main outlet of the alternating current contactor 4 through a live wire L5 and a zero line N4; the lighting branch circuit is connected in parallel to the lighting main loop.

In some embodiments, the main switch 1 is an air switch. For example, the main switch 1 is a main switch of a home-entering main electrical box of a set of houses or a main switch of a hierarchical electrical box, is connected with a main incoming line, and is in a closed state in a normal state. The air switch is a switch which can automatically cut off when the current in the circuit exceeds the approved current, can not only switch on and off the circuit, but also protect the short circuit, serious overload and undervoltage of the circuit and electrical equipment, and is also called as an air circuit breaker. The air switch can improve the safety of the lighting circuit of the key-off lamp and avoid the damage of the lighting circuit and the lighting lamp. The size of the main switch 1 can be checked according to the area of a house or the power consumption of the controlled electric appliance, and 40A, 50A, 63A and 80A air switches are commonly used.

In some embodiments, the over-voltage and under-voltage protector 2 adopts an automatic reset over-voltage and under-voltage protector; and the overvoltage and undervoltage protector 2 is arranged in the distribution box. For example, when the non-transient or transient overvoltage or undervoltage of the circuit exceeds a specified value, the overvoltage and undervoltage protector 2 can rapidly open the circuit to protect the electric appliance from being damaged; when the voltage returns to the normal value, the over-voltage and under-voltage protector 2 can automatically switch on the circuit within the specified time, and the normal operation of the electric appliance can be ensured under the unattended condition. Here, adopt under-voltage protector 2 can protect light and other domestic appliance can not damage because of the voltage is too high or low excessively to prolong the life of light and other domestic appliance. The overvoltage and undervoltage protector 2 is connected with the wire outlet of the main switch 1 through a live wire L1 and a zero wire N1, and the main switch 1 is in a closed state in a normal state, so the overvoltage and undervoltage protector 2 is powered in the normal state.

In some embodiments, the lighting circuit switch 3 employs a 1P air switch; the 1P air switch is only provided with one incoming line port and one outgoing line port and only controls a live wire; the lighting circuit switch 3 is arranged in the distribution box. For example, the lighting circuit switch 3 can open or close the circuit by closing or opening the control line. Because the 1P air switch only occupies one position, the space of the distribution box can be saved. The inlet of the lighting circuit switch 3 is connected with the live wire outlet of the overvoltage/undervoltage protector 2 through a live wire L2, and the inlet of the lighting circuit switch 3 is powered because the overvoltage/undervoltage protector 2 is in a closed state in a normal state. In a normal state, the lighting circuit switch 3 is in a closed state, so that the outlet of the lighting circuit switch 3 is powered.

The one-key switch 5 can be a lighting circuit switch commonly used in the building decoration process and is arranged at a position with the ground clearance of 1200-1300 mm beside the entrance door, so that a user can conveniently operate the switch when entering or exiting the entrance door. The one-key switch 5 is connected with the outlet of the lighting circuit switch 3 through a live wire L3, and because the lighting circuit switch 3 is in a closed state in a normal state and the outlet is powered, the connection inlet of the one-key switch 5 is powered in the normal state.

The ac contactor 4 may be one of ac contactors. The ac contactor is not only suitable for switching on and off the circuit, but also suitable for frequent operation and remote control, is widely applied to control of motors, electric heaters and the like, is an important element of an automatic control system, and is a main element for realizing one-key lamp turn-off. As shown in fig. 2, the ac contactor 4 operates according to the following principle: the electromagnetic coil is electrified to generate a magnetic field, so that the static iron core generates electromagnetic force to attract the movable iron core to move downwards, and the movable contact and the static contact are pulled to be closed, namely the main contact of the movable iron core is closed to connect the main circuit; the electromagnetic coil is powered off, the magnetic field disappears, the electromagnetic force generated by the static iron core also disappears, and under the action of the reset spring, the movable iron core leaves to pull the movable contact and the static contact to be separated, so that the main circuit is cut off.

And a coil contact A1 of the alternating current contactor 4 is connected with the one-key switch 5 arranged beside the entrance door through a control line K1, and a coil contact A2 is connected with a zero line contact of an outlet of the overvoltage and undervoltage protector 2 through a zero line N3. And because the wire inlet of the one-key switch 5 arranged beside the entrance door is electrified under the normal state, the electromagnetic coil of the alternating current contactor 4 can be electrified only by closing the one-key switch 5 to generate a magnetic field, so that the static iron core generates electromagnetic force to attract the moving iron core to move downwards, the moving contact and the static contact are drawn to be closed, namely the main contact is closed, and the lighting main loop is connected. The live wire inlet of the ac contactor 4 is connected to the outlet of the lighting circuit switch 3 through a live wire L4, and because the outlet of the lighting circuit switch 3 is powered in a normal state, the live wire main inlet of the ac contactor 4 is powered. The main zero line inlet of the alternating current contactor 4 is connected to the zero line outlet of the overvoltage and undervoltage protector 2 through a zero line N2, so that the main outlet of the alternating current contactor 4 is powered on only by closing the one-key switch 5 arranged on the entrance door, and the main outlet of the alternating current contactor 4 is powered off as long as the one-key switch 5 is switched off.

The lighting main loop consists of live wires L5, L6 and neutral wires N4. And the live wire L5 and the zero wire N4 are respectively connected to the live wire main outlet and the zero wire main outlet of the alternating current contactor 4. Because the one-key switch 5 arranged at the entrance is only needed to be closed, the main outlet of the alternating current contactor 4 is electrified; as long as the one-key switch 5 is switched off, the main outlet of the alternating current contactor 4 is powered off; therefore, the main lighting loop is powered on only by closing the one-key switch 5, and the main lighting loop is powered off only by opening the one-key switch 5.

In some embodiments, the lighting branch comprises a room switch and a room light; the number of the illumination branches is more than one. For example, the lighting branch is formed by each room switch and a lighting lamp, and each lighting branch is connected to the lighting main loop in parallel, so that the lighting lamps of each room can be independently turned on and off without mutual association and influence. As shown in fig. 1, the room switch 6, the room lights 8 and the control line L7 form one lighting branch, and the room switch 7, the room lights 9 and the control line L8 form another lighting branch, which are connected in parallel in the main lighting loop. Because the one-key switch 5 is closed, the lighting main loop is electrified, so that the room switch 6 is closed, and the lighting lamp 8 is on; the room switch 6 is switched off, and the illuminating lamp 8 is switched off; the illumination lamps 9 can also be switched on or off independently. When the one-key switch 5 is turned off, the lighting main loop has no current, and even if the room switch 6 is closed, the lighting lamp 8 cannot be turned on because no electricity exists in the lighting loop; similarly, even if the room switch 7 is closed, the lighting lamp 9 will not be on because there is no current in the circuit. Therefore, when a user goes out, as long as the one-key switch 5 is turned off, the main lighting loop is powered off, and all lighting lamps arranged in the loop can be turned off. When a user goes home, the lighting main circuit is powered on only by closing the one-key switch 5, and then the lighting lamps in all the lighting branches arranged in the lighting main circuit can be turned on or off.

To sum up, the embodiment of the application only needs to add 1P ac contactor, 1 common lighting switch (as a key switch) and 2 1.5 mm 2 copper core wires from the distribution box to the entrance gate, and can realize the function of closing the lighting lamps in all rooms by one key at the entrance gate. Therefore, the cost is very low, and the device is suitable for being used by vast users. After practical application this application embodiment, not only the family power consumption is safer, but also can prolong the life of light and domestic appliance.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is to be understood that the term "comprises" does not exclude other elements or structures, and the singular does not exclude the plural. The terms first, second, etc. are used to denote names, but not any particular order.

Claims

1. A lighting circuit of a key-off lamp comprises a main switch, an over-voltage and under-voltage protector, a lighting circuit switch, an alternating current contactor, a key switch, a lighting main circuit and a lighting branch circuit;

2. The lighting circuit of claim 1, wherein the master switch is an air switch.

3. The lighting circuit of claim 1, wherein the over-voltage and under-voltage protector is an automatic reset over-voltage and under-voltage protector.

4. The lighting circuit of claim 1, wherein the lighting circuit switch employs a 1P air switch; the 1P air switch is only provided with one incoming line port and one outgoing line port and only controls a live wire.

5. The lighting circuit of claim 1, wherein the under-voltage protector and the lighting circuit switch are disposed within a power distribution box.

6. The lighting circuit of claim 1, wherein the lighting branch comprises a room switch and a room light; the number of the illumination branches is more than one.