CN212034407U

CN212034407U - Duplex control circuit for LED lamps in elevator shaft

Info

Publication number: CN212034407U
Application number: CN202020986001.9U
Authority: CN
Inventors: 周流芳
Original assignee: Guangdong Deling Electronic Technology Co ltd
Current assignee: Guangdong Deling Electronic Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2020-11-27
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses and provides a simple structure, wiring cost are low, have instruction function's elevator well LED lamps and lanterns pair control circuit. The utility model comprises a first controller, a second controller and a lamp; the first controller comprises a first single-pole double-throw switch, a first diode and a second diode, wherein the common end of the first single-pole double-throw switch is connected with a power supply live wire, and the anode of the first diode and the cathode of the second diode are respectively connected with two immobile ends of the first single-pole double-throw switch; the second controller comprises a second single-pole double-throw switch, a third diode and a fourth diode, the common end of the second single-pole double-throw switch is connected with the input end of the lamp, the anode of the third diode and the cathode of the fourth diode are respectively connected with the two immovable ends of the second single-pole double-throw switch, and the output end of the lamp is connected with a power supply zero line. The utility model discloses be applied to elevator well LED lamps and lanterns duplex control circuit's technical field.

Description

Duplex control circuit for LED lamps in elevator shaft

Technical Field

The utility model relates to a control circuit, in particular to elevator well LED lamps and lanterns duplex control circuit.

Background

The LED lamp duplex control circuit is more and more widely used at present, relates to civil use and industry, and a double-control switch is selected mainly because the double-control switch has the greatest characteristic of being capable of remotely controlling lamps or electric appliances. For example, in daily life, when a person enters a door, the lights in the living room are turned on, when the person enters a bedroom, the lights in the living room are turned off, and in industrial aspects, such as the use of the lights in an elevator shaft, when the lights in the living room are turned on, the lights in the living room are turned off below a pit, or vice versa. If the lamp is turned off by returning to the place where the lamp is turned on according to the traditional mode, the trouble can be avoided after the double-control switch is adopted, and the use is convenient. The traditional double-control switch circuit adopts 4 wires for wiring, as shown in fig. 1, the traditional double-control switch circuit has relatively complex wiring, large wire consumption and high wiring cost, and meanwhile, when the lamp is not bright, whether the lamp is powered on or not is not clear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a simple structure, wiring with low costs, have instruction function's elevator well LED lamps and lanterns pair control circuit.

The utility model adopts the technical proposal that: the utility model comprises a first controller 1, a second controller 2 and a lamp 3 which are connected in series in sequence; the first controller 1 comprises a first single-pole double-throw switch K1, a first diode D1 and a second diode D2, the first diode D1 and the second diode D2 are connected in parallel, a common end of the first single-pole double-throw switch K1 is connected with a power supply live wire L, an anode of the first diode D1 and a cathode of the second diode D2 are respectively connected with two fixed ends of the first single-pole double-throw switch K1, and a cathode of the first diode D1 and an anode of the second diode D2 are both connected to a middle lead; the second controller 2 comprises a second single-pole double-throw switch K2, a third diode D3 and a fourth diode D4, the third diode D3 and the fourth diode D4 are connected in parallel, a public end of the second single-pole double-throw switch K2 is connected with an input end of the lamp 3, an anode of the third diode D3 and a cathode of the fourth diode D4 are respectively connected with two fixed ends of the second single-pole double-throw switch K2, a cathode of the third diode D3 and an anode of the fourth diode D4 are connected on the middle lead, and an output end of the lamp 3 is connected with a power supply neutral wire N.

Further, the lamp 3 is an LED lamp.

Further, the lamp 3 includes a plurality of LED lamps LED arranged in parallel.

Furthermore, the anode of one part of the LED lamps is connected with the power supply zero line N, and the cathode of the other part of the LED lamps is connected with the power supply zero line N.

Further, the first diode D1, the second diode D2, the third diode D3, and the fourth diode D4 are all M7 type diodes.

The utility model has the advantages that: the utility model adopts the design of a diode duplex control circuit, and comprises a first controller 1, a second controller 2 and a lamp 3 which are connected in series in sequence; the first controller 1 comprises a first single-pole double-throw switch K1, a first diode D1 and a second diode D2, the first diode D1 and the second diode D2 are connected in parallel, a common end of the first single-pole double-throw switch K1 is connected with a power supply live wire L, an anode of the first diode D1 and a cathode of the second diode D2 are respectively connected with two fixed ends of the first single-pole double-throw switch K1, and a cathode of the first diode D1 and an anode of the second diode D2 are both connected to a middle lead; the second controller 2 includes a second single-pole double-throw switch K2, a third diode D3, and a fourth diode D4, the third diode D3 and the fourth diode D4 are connected in parallel, a common terminal of the second single-pole double-throw switch K2 is connected to an input terminal of the lamp 3, an anode of the third diode D3 and a cathode of the fourth diode D4 are connected to two stationary terminals of the second single-pole double-throw switch K2, respectively, a cathode of the third diode D3 and an anode of the fourth diode D4 are connected to the middle conductor, and an output terminal of the lamp 3 is connected to the power neutral N, so the present invention has simple structure and low wiring cost, and when the lamp is not open-circuited, the first diode D1 or the second diode D2, the third diode D3 or the fourth diode D4 can be lit after being powered on, and has a functional indication, and convenience is provided for troubleshooting.

Drawings

FIG. 1 is a conventional double-control switching circuit;

fig. 2 is a circuit diagram of the present invention.

Detailed Description

As shown in fig. 2, in this embodiment, the present invention includes a first controller 1, a second controller 2, and a lamp 3 connected in series in sequence; the first controller 1 comprises a first single-pole double-throw switch K1, a first diode D1 and a second diode D2, the first diode D1 and the second diode D2 are connected in parallel, a common end of the first single-pole double-throw switch K1 is connected with a power supply live wire L, an anode of the first diode D1 and a cathode of the second diode D2 are respectively connected with two fixed ends of the first single-pole double-throw switch K1, and a cathode of the first diode D1 and an anode of the second diode D2 are both connected to a middle lead; the second controller 2 comprises a second single-pole double-throw switch K2, a third diode D3 and a fourth diode D4, the third diode D3 and the fourth diode D4 are connected in parallel, a public end of the second single-pole double-throw switch K2 is connected with an input end of the lamp 3, an anode of the third diode D3 and a cathode of the fourth diode D4 are respectively connected with two fixed ends of the second single-pole double-throw switch K2, a cathode of the third diode D3 and an anode of the fourth diode D4 are connected on the middle lead, and an output end of the lamp 3 is connected with a power supply neutral wire N.

In this embodiment, the lamp 3 is an LED lamp.

In this embodiment, the lamp 3 includes a plurality of LED lamps LED arranged in parallel.

In this embodiment, the anodes of some of the LEDs are connected to the power supply neutral line N, and the cathodes of some of the LEDs are connected to the power supply neutral line N. By means of the design, the lamp 3 can be ensured to be lighted at any time when the lamp needs to be lighted, and the states of the first single-pole double-throw switch K1 and the second single-pole double-throw switch K2 are not considered.

In the present embodiment, the first diode D1, the second diode D2, the third diode D3, and the fourth diode D4 are all M7 type diodes.

The technical scheme of the utility model see for traditional two accuse switch circuit, have the wiring simpler, convenient, advantage with lower costs, third diode D3 or fourth diode D4 just can shine after the circular telegram, have instruction function, provide convenience for troubleshooting.

The utility model discloses be applied to elevator well LED lamps and lanterns duplex control circuit's technical field.

While the embodiments of the present invention have been described in terms of practical embodiments, they are not intended to limit the scope of the invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.

Claims

1. Elevator well LED lamps and lanterns duplex control circuit, its characterized in that: the elevator hoistway LED lamp duplex control circuit comprises a first controller (1), a second controller (2) and a lamp (3) which are sequentially connected in series; the first controller (1) comprises a first single-pole double-throw switch (K1), a first diode (D1) and a second diode (D2), wherein the first diode (D1) and the second diode (D2) are connected in parallel, a common end of the first single-pole double-throw switch (K1) is connected with a power supply live wire (L), an anode of the first diode (D1) and a cathode of the second diode (D2) are respectively connected with two fixed ends of the first single-pole double-throw switch (K1), and a cathode of the first diode (D1) and an anode of the second diode (D2) are both connected to a middle conducting wire; the second controller (2) comprises a second single-pole double-throw switch (K2), a third diode (D3) and a fourth diode (D4), the third diode (D3) and the fourth diode (D4) are connected in parallel, a public end of the second single-pole double-throw switch (K2) is connected with an input end of the lamp (3), a positive electrode of the third diode (D3) and a negative electrode of the fourth diode (D4) are respectively connected with two fixed ends of the second single-pole double-throw switch (K2), a negative electrode of the third diode (D3) and a positive electrode of the fourth diode (D4) are connected on the middle lead, and an output end of the lamp (3) is connected with a power supply neutral line (N).

2. The elevator hoistway LED lamp duplex control circuit of claim 1, wherein: the lamp (3) is an LED lamp.

3. The elevator hoistway LED lamp duplex control circuit of claim 2, wherein: the lamp (3) comprises a plurality of LED Lamps (LEDs) which are arranged in parallel.

4. The elevator hoistway LED lamp duplex control circuit of claim 3, wherein: the positive electrode of one part of the LED Lamps (LED) is connected with the power supply zero line (N), and the negative electrode of the other part of the LED Lamps (LED) is connected with the power supply zero line (N).

5. The elevator hoistway LED lamp duplex control circuit of claim 1, wherein: the first diode (D1), the second diode (D2), the third diode (D3), and the fourth diode (D4) are all M7 type diodes.