Small night lamp control circuit

Abstract

The utility model discloses a small night lamp control circuit which comprises a rechargeable battery, a charging port and an output terminal, and a charging circuit is arranged between the charging port and the rechargeable battery. The rechargeable battery is connected with a battery discharging circuit, a touch dimming control circuit connected with the battery discharging circuit and a current output adjusting circuit connected with the output terminal, and the current output adjusting circuit is respectively connected with the rechargeable battery and the touch dimming control circuit. According to the utility model, the structure arrangement is reasonable, the current output adjusting circuit is matched with the touch dimming control circuit, the current adjustment of the output terminal can be realized, the dimming control operation is realized through the current change, the structure is simple, the cost is reduced, the convenience of current output adjustment is improved, and the practicability is high. Usage is stable and reliable, and applicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to small night lamp technical field, specifically related to a small night lamp control circuit. BACKGROUND

[0002] Small night lamp is a kind of common portable lamp structure for lighting, it generally includes shell, lampshade, light source board and control circuit board in shell, there is charging port on the shell, it can satisfy the use demand of general situation, but the circuit on the control circuit board is relatively complex, not only greatly increases the wiring difficulty, and also can not realize current output adjustment, to a certain extent, it will affect its use effectiveness. SUMMARY

[0003] The utility model aims at providing a kind of small night lamp control circuit with reasonable structure and current output adjustment.

[0004] The technical scheme for realizing the utility model is a kind of small night lamp control circuit, including charging battery, charging port and output terminal, charging circuit is arranged between the charging port and charging battery;

[0005] Battery discharge circuit is connected on the charging battery, touch dimming control circuit connected with the battery discharge circuit and current output adjustment circuit connected with the output terminal, the current output adjustment circuit is connected with charging battery and touch dimming control circuit respectively.

[0006] Further preferably, the current output adjustment circuit includes the thirteenth resistor, the fourteenth resistor, the second MOS tube, the eighteenth resistor, the nineteenth resistor, the twenty-first resistor, the seventh capacitor and the twenty-second resistor;

[0007] The twenty-first resistor and the twenty-second resistor are connected to the positive pole of the output terminal at one end and to the positive pole of the charging battery at the other end in series;

[0008] The eighteenth resistor and the nineteenth resistor are connected to the positive pole of the output terminal at one end and to the positive pole of the charging battery at the other end in series;

[0009] The seventh capacitor is connected between the positive pole of the charging battery and the ground wire.

[0010] The gate of the second MOS tube is connected to the seventh pin of the main chip of the touch dimming control circuit through the fourteenth resistor, the drain of the second MOS tube is connected to the negative pole of the output terminal, and the source of the second MOS tube is grounded.

[0011] One end of the thirteenth resistor is connected to the connection point of the fourteenth resistor and the touch dimming control circuit, and the other end of the thirteenth resistor is connected to the source of the second MOS tube.

[0012] Further preferably, the second MOS transistor is an N-MOS transistor.

[0013] Further preferably, the charging port is connected with an indicator lamp circuit.

[0014] Further preferably, the charging port is a USB port.

[0015] The utility model has the positive effect: the utility model discloses the structure is reasonable, and it is provided with current output adjustment circuit cooperation touch dimming control circuit, can realize the current regulation of output terminal, realizes dimming control operation through the change of current, and its not only simple structure, is favorable for reducing the cost, and also favorable for improving the convenience of adjustment current output adjustment, uses stably reliable, and the applicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily be clearly understood, below according to specific embodiment and combining with the drawings, the utility model is further detailedly described, wherein:

[0017] Figure 1 It is the circuit structure schematic diagram of the utility model.

[0018] Reference signs: charging battery 1, charging port 2, output terminal 3, charging circuit 4, battery discharge circuit 5, touch dimming control circuit 6, current output adjustment circuit 7, indicator lamp circuit 8. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model. EMBODIMENT

[0020] See Figure 1 A small night lamp control circuit, including charging battery 1, charging port 2 and output terminal 3, the charging circuit 4 is arranged between the charging port and charging battery, and the charging circuit in the embodiment is the conventional structure of prior art, so it is not recorded in detail. Wherein the charging port is a USB port.

[0021] In the embodiment, the charging battery is connected with a battery discharge circuit 5, a touch dimming control circuit 6 connected with the battery discharge circuit and a current output adjusting circuit 7 connected with the output terminal, and the current output adjusting circuit is connected with the charging battery and the touch dimming control circuit respectively.

[0022] In the embodiment, the second MOS tube is an N-MOS tube.

[0023] The utility model discloses have positive effect: the utility model discloses the structure setting is reasonable, and it is provided with current output adjusting circuit cooperation touch dimming control circuit, can realize the current regulation of output terminal, realizes the light control operation through the change of current, and it is not only simple structure, is favorable to reduce the cost, and is favorable to improve the convenience of adjusting current output adjustment simultaneously, uses stably reliable, and the applicability is strong.

[0024] 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 any 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.

[0025] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes 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. Here, it is not necessary and impossible to exhaust all the implementation modes. 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 small night light control circuit comprising a rechargeable battery, a charging port, and an output terminal, characterized in that: A charging circuit is arranged between the charging port and the charging battery; The charging battery is connected with a battery discharging circuit, a touch dimming control circuit connected with the battery discharging circuit and a current output adjusting circuit connected with the output terminal, and the current output adjusting circuit is connected with the charging battery and the touch dimming control circuit respectively.

2. A small night light control circuit according to claim 1, characterized in that: The current output adjusting circuit comprises a thirteenth resistor, a fourteenth resistor, a second MOS tube, an eighteenth resistor, a nineteenth resistor, a twenty-first resistor, a seventh capacitor and a twenty-second resistor; The twenty-first resistor and the twenty-second resistor are connected in series, one end of which is connected to the positive pole of the output terminal and the other end of which is connected to the positive pole of the charging battery; The eighteenth resistor and the nineteenth resistor are connected in series, one end of which is connected to the positive pole of the output terminal and the other end of which is connected to the positive pole of the charging battery; The seventh capacitor is connected between the positive pole of the charging battery and the ground wire; The gate of the second MOS tube is connected to the seventh pin of the main chip of the touch dimming control circuit through the fourteenth resistor, the drain of the second MOS tube is connected to the negative pole of the output terminal, and the source of the second MOS tube is grounded; One end of the thirteenth resistor is connected to the connection point of the fourteenth resistor and the touch dimming control circuit, and the other end of the thirteenth resistor is connected to the source of the second MOS tube.

3. A small night light control circuit according to claim 2, characterized in that: The second MOS tube is an N-MOS tube.

4. A small night light control circuit according to claim 1, characterized in that: An indicating lamp circuit is connected to the charging port.

5. A small night light control circuit according to claim 1, characterized in that: The charging port is a USB port.

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