Mechanical dimming circuit

Abstract

The utility model discloses a mechanical dimming circuit, particularly relates to the technical field of dimming circuits, and comprises a mechanical dimmer, the mechanical dimmer is provided with a movable contact piece L, an electric contact piece A, an electric contact piece B and an electric contact piece A / B, the mechanical dimmer circulates in four gears of off, low, middle and high, and the mechanical dimmer further comprises a low-gear lamp group and a middle-gear lamp group, the low-gear lamp set is connected with an electric contact A of the mechanical light modulator in series, and the middle-gear lamp set is connected with an electric contact B of the mechanical light modulator in series. Compared with the prior art, the mechanical light modulator provided by the utility model can circulate in four gears of off, low, middle and high, and can eliminate the application of electronic components in a light modulation circuit, so that the light modulation circuit is low in cost, simple to operate and high in durability.

Description

TECHNICAL FIELD

[0001] The utility model relates to a light adjusting circuit technical field more particularly in a kind of mechanical light adjusting circuit. BACKGROUND

[0002] The light adjusting of existing fan lamps is generally to adopt electronic light regulator, and electronic components are used as the control of light adjusting.The working principle of electronic light regulator is usually based on voltage light adjusting, current light adjusting, resistance light adjusting, pulse width modulation (PWM), silicon controlled rectifier (SCR) or thyristor light adjusting technology.For example, the prior art application number 201611139908.6 of a kind of LED silicon controlled light adjusting circuit includes silicon controlled light regulator, EMI filter circuit, rectifier bridge, bleeder circuit, power management circuit and transformer, which can be used in high-power LED silicon controlled light adjusting lighting equipment, which can not only ensure the luminous efficiency of LED lighting, but also meet the non-flickering LED silicon controlled light adjusting circuit of silicon controlled light adjusting lighting equipment at low brightness.

[0003] However, the existing light adjusting circuit is affected by the characteristics of electronic components, and such light regulator has high cost, complex operation and low durability. INVENTION CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mechanical light adjusting circuit, which eliminates the application of electronic components in the light adjusting circuit, so that the light adjusting circuit has low cost, simple operation and high durability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of mechanical light adjusting circuit, including mechanical light regulator, the mechanical light regulator has movable contact L, electric contact A, electric contact B and electric contact A / B, and mechanical light regulator is in off, low, middle, high four gear cycles.

[0006] It also includes low gear lamp group and middle gear lamp group, the electric contact A of low gear lamp group is connected in series with the mechanical light regulator, the electric contact B of middle gear lamp group is connected in series with the mechanical light regulator, the low gear lamp group is installed on the light emitting part of lamp, one end of the low gear lamp group is connected with the electric contact A of mechanical light regulator through internal lead, the other end of the low gear lamp group is connected with power zero line, the middle gear lamp group is installed on the light emitting part of lamp, one end of the middle gear lamp group is connected with the electric contact B of mechanical light regulator through internal lead, the other end of the middle gear lamp group is connected with power zero line.

[0007] Preferably, the movable contact L of the mechanical light regulator is connected with power fire line.

[0008] Preferably, the movable contact L is connected with electric contact A to form low gear, and the movable contact L is connected with electric contact B to form middle gear.

[0009] Preferably, the movable contact L is connected with the electric contact A / B to make the low and middle groups of turn signals be powered at the same time to form high turn signal.

[0010] The technical effects and advantages of the utility model are as follows: in the utility model, the movable contact L of the mechanical dimmer is connected with the electric contact A to form low turn signal, the movable contact L is connected with the electric contact B to form middle turn signal, and the movable contact L is connected with the electric contact A / B to make the low and middle groups of turn signals be powered at the same time to form high turn signal, so that the mechanical dimmer is circular in the four positions of off, low, middle and high, and compared with the prior art, the mechanical dimming circuit of the utility model eliminates the application of electronic components in the dimming circuit, so that the dimming circuit is low in cost, simple in operation and high in durability. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the mechanical dimming circuit diagram of the utility model.

[0012] Fig. 2 It is the mechanical dimmer structure diagram of the utility model.

[0013] The figure mark is: 1 mechanical dimmer, 2 low group of turn signals, 3 middle group of turn signals. DETAILED DESCRIPTION

[0014] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0015] Referring to the drawings in the description Figs. 1-2 The utility model provides a kind of mechanical dimming circuit, including mechanical dimmer 1, low group of turn signals 2 and middle group of turn signals 3, the low group of turn signals 2 is connected in series with the electric contact A of mechanical dimmer 1, the middle group of turn signals 3 is connected in series with the electric contact B of mechanical dimmer 1, the low group of turn signals 2 and middle group of turn signals 3 are all installed on the light-emitting part of lamp, and the low group of turn signals 2 and middle group of turn signals 3 are connected with the electric contact A and electric contact B of mechanical dimmer 1 respectively by internal lead at one end, then the other end is connected with power zero line.

[0016] The mechanical dimmer 1 has movable contact L, electric contact A, electric contact B and electric contact A / B, the movable contact L of mechanical dimmer 1 is connected with power fire line, and mechanical dimmer 1 is circular in the four positions of off, low, middle and high, as shown in Table 1:

[0017]

[0018] Low gear: the movable contact L is connected with the electric contact A to form a low gear.

[0019] Middle gear: the movable contact L is connected with the electric contact B to form a middle gear.

[0020] High gear: the movable contact L is connected with the electric contact A / B, at this time the low gear lamp group 2 and the middle gear lamp group 3 are simultaneously powered to form a high gear.

[0021] Finally: the above only is the preferred embodiment of the utility model and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.

Claims

1. A mechanical dimming circuit, characterized by: Including mechanical dimmer (1), mechanical dimmer (1) has movable contact L, electrical contact A, electrical contact B and electrical contact A / B, mechanical dimmer (1) is in off, low, middle, high four gear cycles; Also contain low gear light group (2) and middle gear light group (3), low gear light group (2) is connected with electrical contact A of mechanical dimmer (1) in series, middle gear light group (3) is connected with electrical contact B of mechanical dimmer (1) in series.

2. A mechanical dimming circuit according to claim 1, wherein: Low gear light group (2) is installed on the light emitting part of lamp, one end of low gear light group (2) is connected with electrical contact A of mechanical dimmer (1) through internal lead, the other end of low gear light group (2) is connected with power zero line.

3. A mechanical dimming circuit according to claim 1, wherein: Middle gear light group (3) is installed on the light emitting part of lamp, one end of middle gear light group (3) is connected with electrical contact B of mechanical dimmer (1) through internal lead, the other end of middle gear light group (3) is connected with power zero line.

4. A mechanical dimming circuit according to claim 1, wherein: Movable contact L of mechanical dimmer (1) is connected with power fire line.

5. A mechanical dimming circuit according to claim 1, wherein: Movable contact L is connected with electrical contact A to form low gear, movable contact L is connected with electrical contact B to form middle gear.

6. A mechanical dimming circuit according to claim 1, wherein: Movable contact L is connected with electrical contact A / B, so that low gear light group (2) and middle gear light group (3) are electrified simultaneously to form high gear.

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