Linear silicon controlled rectifier dimming circuit

Abstract

The utility model discloses a linear silicon controlled rectifier dimming circuit, which comprises a power supply input end and a power supply output end, the power supply input end is connected with a rectifying circuit, the output end of the rectifying circuit is connected with a silicon controlled rectifier dimming control circuit, and the output end of the silicon controlled rectifier dimming control circuit is connected with a filter circuit. And a stroboflash removing circuit is arranged between the output end of the filter circuit and the output end of the power supply. According to the utility model, the structure is reasonable, the silicon controlled rectifier dimming control circuit is arranged, so that the linear dimming control operation is realized, the processing and manufacturing cost is reduced, the dimming stability and reliability are also improved, and the applicability is strong.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of down lamp, specifically relates to a linear silicon controlled rectifier light adjusting circuit. BACKGROUND

[0002] Down lamp is a kind of common lighting and decorative lamps, and it generally includes down lamp shell, light source plate, lens plate and control circuit board in down lamp shell, and it mainly realizes the driving of light source plate and light control through the circuit on control circuit board, which can meet the use demand of general situation, but the conventional down lamp control circuit structure is relatively complex, greatly increases the processing and manufacturing cost, and the adjustment control operation stability is poor, so the applicability is limited. SUMMARY

[0003] The utility model aims at providing a linear silicon controlled rectifier light adjusting circuit with reasonable structure and improved light adjusting stability.

[0004] The technical scheme for realizing the utility model is a linear silicon controlled rectifier light adjusting circuit, which comprises a power input end and a power output end, the power input end is connected with a rectifier circuit, the output end of the rectifier circuit is connected with a silicon controlled rectifier light adjusting control circuit, the output end of the silicon controlled rectifier light adjusting control circuit is connected with a filter circuit, and a frequency flashing removal circuit is arranged between the output end of the filter circuit and the power output end.

[0005] Further preferably, the silicon controlled rectifier light adjusting control circuit comprises two silicon controlled rectifier components.

[0006] The utility model has the positive effect: the structure of the utility model is reasonable, it is provided with the silicon controlled rectifier light adjusting control circuit, thereby realizing linear light adjusting control operation, which not only reduces the processing and manufacturing cost, but also improves the light adjusting stability and reliability, and has strong applicability. BRIEF DESCRIPTION OF DRAWINGS

[0007] In order to make the content of the utility model more easily understood clearly, the utility model is further explained in detail below according to specific embodiments and in conjunction with the drawings, wherein:

[0008] Figure 1 It is the circuit structure schematic diagram of the utility model.

[0009] Signs: power input end 1, power output end 2, rectifier circuit 3, silicon controlled rectifier light adjusting control circuit 4, filter circuit 5, frequency flashing removal circuit 6. DETAILED DESCRIPTION

[0010] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application. Embodiment

[0011] See Figure 1 The linear thyristor dimming circuit comprises a power input end 1 and a power output end 2, the power input end is connected with a rectifier circuit 3, the output end of the rectifier circuit is connected with a thyristor dimming control circuit 4, the output end of the thyristor dimming control circuit is connected with a filter circuit 5, and the filter circuit is provided with a frequency flash elimination circuit 6 between the output end and the power output end. And the thyristor dimming control circuit comprises two thyristor components. Through the above structure, the effectiveness and the stable reliability of linear dimming can be improved.

[0012] The utility model has the positive effect: the utility model discloses reasonable structure setting, and it is provided with thyristor dimming control circuit, thereby realizes linear dimming control operation, and it not only reduces the processing cost, but also improves the dimming stability and reliability, and the applicability is strong.

[0013] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt, and the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional type in the existing technology, so the specific description is not made here.

[0014] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, rather than limiting the implementation manners of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. It is not necessary and impossible to enumerate all the implementation manners. The obvious changes or variations extended from the essential spirit of the present application still belong to the protection scope of the present application.

Claims

1. A linear thyristor dimming circuit, comprising a power input terminal and a power output terminal, characterized in that: The power input terminal is connected to a rectifier circuit, the output terminal of the rectifier circuit is connected to a thyristor dimming control circuit, the output terminal of the thyristor dimming control circuit is connected to a filter circuit, and a frequency reduction lightning circuit is provided between the output terminal of the filter circuit and the power output terminal.

2. The linear thyristor dimming circuit according to claim 1, characterized in that: The thyristor dimming control circuit includes two thyristor components.

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