CN205196051U - Portable LED lamp - Google Patents
Portable LED lamp Download PDFInfo
- Publication number
- CN205196051U CN205196051U CN201521004871.7U CN201521004871U CN205196051U CN 205196051 U CN205196051 U CN 205196051U CN 201521004871 U CN201521004871 U CN 201521004871U CN 205196051 U CN205196051 U CN 205196051U
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- battery
- triode
- diode
- anode
- charging
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Abstract
The embodiment of the utility model discloses portable LED lamp, including lamps and lanterns main part and charging device, the lamps and lanterns main part has the drive circuit by the rechargeable battery power supply, charging device has the charging circuit that can charge for the battery, charging device has the charging circuit that can charge for the battery, drive circuit includes rechargeable battery BT, inductance L1 -1, DC -DC boost IC, diode D1 -1, light emitting diode group D2 -1, electric capacity C1 -1, charging circuit includes the triode T1 -2 of NPN type, the triode T2 -2 of PNP type, diode D1 -2, diode D2 -2, resistance R1 -2, resistance R2 -2 and emitting diode D3 -2. The utility model discloses portable LED lamp wholeness ability has been improved effectively for the product is more practical, can satisfy consumer's individualized demand from this betterly.
Description
Technical field
The utility model relates to portable electronic illuminations, particularly relates to a kind of novel Portable LED lamp.
Background technology
The driving circuit structure of conventional portable LED lamp is too complicated, is unfavorable for reducing costs; In addition, this light fixture, by the dry cell power supply in lamp main body, needs often to change battery, and it is convenient not thus to use; In addition, battery compartment body in lamp main body is furnished with comparatively long lead, point in electrical contact on battery compartment bonnet is connected on the battery electrode interface of battery compartment front end by this wire, and wire used and easily breaks long afterwards and cause battery to power, and the reliability of battery fastening structure is not ideal enough.Because existing Portable LED lamp can not meet the individual demand of consumer well, be therefore necessary to be improved.
Utility model content
For the defect that prior art exists, the object of the utility model embodiment is to provide a kind of novel Portable LED lamp, to improve the properties of product of Portable LED lamp, meets the individual demand of consumer.
For solving above technical problem, the utility model embodiment provides a kind of Portable LED lamp, comprises lamp main body and charging device, and lamp main body has the drive circuit of being powered by Rechargeable battery, and charging device has the charging circuit that can be battery charging; In this drive circuit, inductance L 1-1 is connected between the positive pole of battery and boost chip IC input pin, the anode of diode D1-1 connects boost chip IC input pin, the negative electrode of diode D1-1 connects DC-DC boost chip IC output pin, the minus earth of boost chip IC grounding leg and battery, Light-Emitting Diode group D2-1 is connected between boost chip IC output pin and ground, and electric capacity C1-1 and light-emitting diode group D2-1 also connects; In this charging circuit, the collector electrode of triode T1-2 connects outside power positive end, the base stage of triode T1-2 is connected with the negative electrode of diode D2-2, the anode of diode D2-2 is connected with the negative electrode of diode D1-2, the anode of diode D1-2 is connected to power positive end, the emitter of triode T1-2 is connected with the anode of light-emitting diode D3-2, and the negative electrode of light-emitting diode D3-2 is connected with charging inlet anode, battery charging inlet anode and charging inlet hold between; The emitter of triode T2-2 is through the base stage of resistance R2-2 connecting triode T1-2, and the collector electrode of triode T2-2 is connected to ground, accesses resistance R1-2 between the base stage of triode T2-2 and charging inlet anode; In the mounting structure of above-mentioned battery; battery loads in the body of metal battery storehouse; the front end warehouse of battery compartment body is connected to battery cathode wiring; in the storehouse, front end of battery compartment body, nonmetal protective cap is set; the anode contact of protective cap connects the metal tabs of anode line by metal spring, the rear end of battery compartment body can be threaded into metal battery storehouse bonnet.
Compared with prior art, Portable LED lamp of the present utility model optimizes driving circuit structure, and low input only just can be transformed to required voltage with three peripheral cells by its boost chip IC, and circuit structure is very simple, is conducive to reducing costs; In addition, this Portable LED lamp adopts Rechargeable battery to power, and can be charged, without the need to often changing battery by the battery charger of Portable LED lamp easily; By the battery compartment body conducting of metal material between battery electrode interface and battery compartment bonnet, avoid the problem that plain conductor easily fractures, improve the reliability of battery fastening structure; These measures effectively improve Portable LED lamp overall performance, make product more practical, can meet the individual demand of consumer thus preferably.
Accompanying drawing explanation
Fig. 1 is the drive circuit figure of the utility model Portable LED lamp;
Fig. 2 is the charging circuit figure of the utility model Portable LED lamp;
Fig. 3 is the battery fastening structure schematic diagram of the utility model Portable LED lamp.
Embodiment
In order to understand know-why and the course of work of the utility model embodiment better, come to be described in detail the utility model further below in conjunction with drawings and the specific embodiments.
Portable LED lamp of the present utility model comprises lamp main body and charging device: lamp main body has drive circuit, and this drive circuit is powered by being installed on the intrinsic Rechargeable battery of battery compartment, to complete the basic function of Portable LED lamp; Charging device can be separated with lamp main body, and the charging circuit of this charging device is that the Rechargeable battery of drive circuit charges.
Be pointed out that, the utility model only improves the circuit structure related in Portable LED lamp, the conventional techniques means that other mechanical part in this Portable LED lamp except battery fastening structure can adopt the art known, do not launch explanation at this.Below in conjunction with accompanying drawing, the drive circuit of Portable LED lamp, charging circuit and battery fastening structure are described.
See Fig. 1, be the drive circuit figure of the utility model Portable LED lamp.The drive circuit of this Portable LED lamp has been powered by battery BT the basic function of Portable LED lamp, described drive circuit comprises Rechargeable battery BT, inductance L 1-1, DC-DC (DC-to-DC) boost chip IC (encapsulation SOT-89-3, G9261), diode D1-1, light-emitting diode group D2-1, electric capacity C1-1, particular circuit configurations is: it (is Rechargeable battery that inductance L 1-1 is connected to battery BT, be preferably nickel-cadmium cell) positive pole and boost chip IC input pin 3 between, the anode of diode D1-1 connects boost chip IC input pin 3, the negative electrode of diode D1-1 connects boost chip IC output pin 2, the minus earth of boost chip IC grounding leg 2 and battery BT, Light-Emitting Diode group D2-1 is (as the light source of Portable LED lamp, can be multiple light-emitting diode connection in series-parallel to form) be connected between boost chip IC output pin 2 and ground, electric capacity C1-1 and light-emitting diode group D2-1 also connects.
Adopt boost chip IC in circuit, only just low input can be transformed to required voltage with three peripheral cells, hence improve the performance of Portable LED lamp product, there is lower-cost advantage.
See Fig. 2, be the charging circuit figure of the utility model Portable LED lamp.The charging circuit of this Portable LED lamp charges to the battery BT in the drive circuit of Portable LED lamp, described charging circuit comprises the triode T1-2 of NPN type, the triode T2-2 of positive-negative-positive, diode D1-2, diode D2-2, resistance R1-2, resistance R2-2 and light-emitting diode D3-2, particular circuit configurations is: the collector electrode of triode T1-2 meets outside power positive end VC (12 ~ 16V), the base stage of triode T1-2 is connected with the negative electrode of diode D2-2, the anode of diode D2-2 is connected with the negative electrode of diode D1-2, the anode of diode D1-2 is connected to power positive end VC, the emitter of triode T1-2 is connected with the anode of light-emitting diode D3-2, the negative electrode of light-emitting diode D3-2 is connected with charging inlet anode A, battery BT holds between GND (0V) and charges with being positioned at charging inlet anode A and charging inlet, the emitter of triode T2-2 is through the base stage of resistance R2-2 connecting triode T1-2, and the collector electrode of triode T2-2 is connected to ground, accesses resistance R1-2 between the base stage of triode T2-2 and charging inlet anode A.
In the present embodiment battery charger, form live part by diode D1-2, D2-2, resistance R1-2, R2-2 and triode T1-2, triode T2 and resistance R3 forms charge protector.When remaining battery voltage is lower than 0.6V, triode T2-2 conducting, triode T1-2 also conducting, electric current charges the battery through resistance T1-2, triode T1-2, and light-emitting diode D3-2 is bright, represents that charging is normal.If when battery pole back connection, this triode T2 base stage is negative potential, and triode T2-2 ends, and the base potential of triode T1-2 raises, and triode T1-2 is closed, and can not charge to battery thus, now light-emitting diode does not work, and represents when battery pole back connection.
See Fig. 3, it is the battery fastening structure schematic diagram of the utility model Portable LED lamp.In this battery fastening structure; battery (group) BT loads in metal battery storehouse body 50; the front end warehouse of battery compartment body 50 is connected to battery cathode wiring 10; in the storehouse, front end of battery compartment body 50, nonmetal protective cap 40 is set; the anode contact of protective cap 40 connects the metal tabs of anode line 20 by metal spring (Compress Spring) 30, the rear end of battery compartment body 50 can be threaded into metal battery storehouse bonnet 60.
When screw battery compartment bonnet 60 on battery compartment body 50 time; the positive pole of battery is by the anode contact on protective cap 40, spring 30 and anode line 20 conducting; the negative pole of battery is by battery compartment bonnet 60, battery compartment body 50 and battery cathode line 10 conducting; because anode line 20 and battery cathode line 10 are connected on the positive and negative interface of power supply of circuit board (scheming not shown) of drive circuit; therefore battery can be made together with load (as LED light source) to form closed-loop path, finally for load provides corresponding operating voltage.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment, the scope that therefore protection range of the present utility model should define with the utility model claim is as the criterion.
Claims (1)
1. a Portable LED lamp, is characterized in that, comprises lamp main body and charging device, and lamp main body has the drive circuit of being powered by Rechargeable battery, and charging device has the charging circuit that can be battery charging; In this drive circuit, inductance L 1-1 is connected between the positive pole of battery and boost chip IC input pin, the anode of diode D1-1 connects boost chip IC input pin, the negative electrode of diode D1-1 connects DC-DC boost chip IC output pin, the minus earth of boost chip IC grounding leg and battery, Light-Emitting Diode group D2-1 is connected between boost chip IC output pin and ground, and electric capacity C1-1 and light-emitting diode group D2-1 also connects; In this charging circuit, the collector electrode of triode T1-2 connects outside power positive end, the base stage of triode T1-2 is connected with the negative electrode of diode D2-2, the anode of diode D2-2 is connected with the negative electrode of diode D1-2, the anode of diode D1-2 is connected to power positive end, the emitter of triode T1-2 is connected with the anode of light-emitting diode D3-2, and the negative electrode of light-emitting diode D3-2 is connected with charging inlet anode, battery charging inlet anode and charging inlet hold between; The emitter of triode T2-2 is through the base stage of resistance R2-2 connecting triode T1-2, and the collector electrode of triode T2-2 is connected to ground, accesses resistance R1-2 between the base stage of triode T2-2 and charging inlet anode; In the mounting structure of above-mentioned battery; battery loads in the body of metal battery storehouse; the front end warehouse of battery compartment body is connected to battery cathode wiring; in the storehouse, front end of battery compartment body, nonmetal protective cap is set; the anode contact of protective cap connects the metal tabs of anode line by metal spring, the rear end of battery compartment body can be threaded into metal battery storehouse bonnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004871.7U CN205196051U (en) | 2015-12-07 | 2015-12-07 | Portable LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004871.7U CN205196051U (en) | 2015-12-07 | 2015-12-07 | Portable LED lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205196051U true CN205196051U (en) | 2016-04-27 |
Family
ID=55788983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521004871.7U Expired - Fee Related CN205196051U (en) | 2015-12-07 | 2015-12-07 | Portable LED lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205196051U (en) |
-
2015
- 2015-12-07 CN CN201521004871.7U patent/CN205196051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20161207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |