CN101046277A

CN101046277A - Electric torch

Info

Publication number: CN101046277A
Application number: CNA2007101004033A
Authority: CN
Inventors: 刘允钊
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-23
Filing date: 2007-04-05
Publication date: 2007-10-03

Abstract

The invention relates to a flashlight with simple structure and adjustable brightness and flash time, which comprises a battery, a barrel, an electroluminescent body and a tail cover, and is characterized in that a first contact piece and a second contact piece are fixed at the tail part of the battery, the first contact piece and the second contact piece are respectively electrically connected with the positive pole and the negative pole of the battery, a circuit board with a built-in microcomputer controller is fixed at the inner side of the tail cover, the microcomputer controller controls the power supply of the electroluminescent body, a switch on the circuit board extends out of the outer side of the tail cover, a first spring and a second spring are respectively fixed at the inner side of the circuit board, the inner ends of the first spring and the second spring are respectively electrically connected with the microcomputer controller, and the outer ends of the first spring and the second spring are respectively opposite to the first contact piece. The battery supplies power to the microcomputer controller on the circuit board through the first spring and the second spring, and when the LED illuminating lamp is used, the microcomputer controller controls the current of the electroluminescent body according to the pressing times or the pressing time of the switch on the tail cover, so that the brightness and the flashing time of the electroluminescent body are controlled.

Description

A kind of flashlight

Technical field

The present invention relates to a kind of flashlight.

Background technology

Existing flashlight comprises battery, cylindrical shell, electroluminor, tail-hood and switch, wherein switch is fixed on the cylindrical shell middle part, anode, electroluminor---the spring that is small electric bulb, switch, tail-hood inboard constitutes electric loop, small electric bulb can be luminous after the switch opens, and the shortcoming of this flashlight is function singleness, can not regulates luminosity.

Summary of the invention

The objective of the invention is in order to solve the function singleness that exists in the existing flashlight, the problem that can not regulate brightness, and provide a kind of simple in structure, can regulate brightness and the flashlight of stroboscopic time.

Technical scheme:

The object of the present invention is achieved like this: a kind of flashlight, comprise battery, cylindrical shell, electroluminor and tail-hood, it is characterized in that the battery afterbody is fixed with first contact and the second wafer, first contact and the second wafer respectively with described battery just, negative electricity connects, be fixed with the wiring board of built-in microcomputer controller in the tail-hood inboard, described microcomputer controller is controlled the power supply of described electroluminor, switch on the described wiring board stretches out the tail-hood outside, be fixed with first spring and second spring respectively in the wiring board inboard, the inner of first spring and second spring is electrically connected with described microcomputer controller respectively, and the outer end of first spring and second spring is respectively over against described first contact and the second wafer.Battery microcomputer controller power supply on wiring board by first spring and second spring, during use, microcomputer controller is controlled the electric current of electroluminor according to the compression number of switch on the tail-hood or the length of compressing time, thereby controls its brightness and stroboscopic time (" luminous " repeatedly---" closing ").

Described flashlight is characterized in that described switch is furnished with rubber cover, and the outer rim of this rubber cover is clamped between the described wiring board of tail-hood.Prevent that dust or water from flowing in the flashlight.

Described flashlight is characterized in that described wiring board is fixed on the mounting blocks, is threaded between mounting blocks and the described tail-hood.

Described flashlight is characterized in that described electroluminor is electrically connected with one of them electrode of described first contact and described battery respectively.During use, microcomputer controller is directly controlled the electric current of electroluminor and is reached brightness and the stroboscopic time of controlling electroluminor.

Described flashlight is characterized in that described electroluminor is small electric bulb or light emitting diode.

Described flashlight is characterized in that described first spring, second spring and tail-hood are coaxial.

Described flashlight, it is characterized in that described battery is the battery pack that is in series by the cell more than two or two, this battery pack is fixed in the housing that is made of Zuo Gai and right lid, is welded to each other between described Zuo Gai and the right lid and fixing or be adhesively fixed with glue.

Described flashlight is characterized in that described housing is provided with socket, and this socket is electrically connected with the positive and negative electrode of described battery pack.Can be directly after battery pack taken out from the cylindrical shell of flashlight the plug of charger be inserted in this socket and charge to battery pack.

Described flashlight is characterized in that the outer cylinder of described shell is provided with axial guiding rib, and described cylinder inboard wall is provided with the gathering sill that matches with this guiding rib.

Described flashlight is characterized in that also being fixed with in the described housing charge-discharge protection circuit plate.

Beneficial effect:

Owing to adopted technical solutions according to the invention, tail-hood with first spring and second spring is set in tail-hood regularly, and two spring coaxial with tail-hood, tail-hood two springs when screwing in cylindrical shell can not twine mutually, wiring board directly is fixed on the tail-hood inboard and is electrically connected with battery by two springs then, simplified microcomputer controller and be connected, not only increased the function of flashlight, and this has been simple in structure with circuit between the battery.

Description of drawings

The invention will be further described below in conjunction with drawings and Examples.

Fig. 1 is the internal structure schematic diagram of an embodiment of flashlight of the present invention.

Fig. 2 is the three-dimensional exploded view of battery pack among Fig. 1 embodiment.

Among the figure 1, cylindrical shell, 2, battery, 70, insulator, 3, tail-hood, 72, the second wafer, 31, rubber cover, 41, switch, 4, wiring board, 5, mounting blocks, 61, first spring, 62, second spring, 71, first contact.A46, negative electrode, A45, negative electrode seat, A44, sticking block, A40, socket; A41, packing ring, A111, side opening, A11, You Gai, A23, packing ring; A112, guiding rib, A34, positive electrode, A33, charge-discharge protection circuit plate, A32, sponge packing ring; A31, pad, A22, battery one, A122, guiding rib, A12, Zuo Gai; A21, battery two, A123, battery cavities, A120, branch muscle; A124, socket cavity, A42, positive electrode, A43, electrode tip holder.

The specific embodiment:

See shown in Figure 1, described flashlight, comprise battery 2, cylindrical shell 1, small electric bulb (not drawing among the figure) and tail-hood 3, wiring board 4 inboards that are fixed on the mounting blocks 5 are fixed on the first coaxial spring 61 and second spring 62, switch 41 is fixed on the wiring board 4, the internal thread of the external screw thread of mounting blocks 5 and tail-hood 3 matches, to make wiring board 4 and tail-hood 3 compress rubber cover 31 in the mounting blocks 5 screw-in tail-hoods 3, after cylindrical shell 1 tail end screws in tail-hood 3, first spring, 61 left ends contact with first contact 71, second spring, 62 left ends contact with the second wafer 72, between first contact 71 and the second wafer 72, separate with insulator 70, small electric bulb is connected between the positive pole and first contact 71 of battery 2, and the negative pole of battery 2 directly is electrically connected with the second wafer 72.During use, microcomputer controller is controlled the electric current of electroluminor according to the length of the compression number of switch 41 on the tail-hood 3 or compressing time, by the brightness and the stroboscopic time (" luminous " repeatedly---" closing ") of the programme-control small electric bulb in the microcomputer controller, its concrete control program is: if press switch 41 then the small electric bulb of flashlight---circulates in high light---middle light---low light level fourth gear intensity at superpower light, if in its process when a certain gear trip switch, then the brightness of the small electric bulb of flashlight is set in this gear long bright, if push switch this moment, then small electric bulb enters the stroboscopic state, if press switch this moment, then the stroboscopic state of small electric bulb is at high frequency---switch between the low frequency, the frequency of its medium-high frequency is about 8Hz, use when the user is subjected to others and attacks, the stroboscopic under this frequency can be upset assailant's nervous system; And the frequency of low frequency is about 1---2Hz is equivalent to a kind of distress signal.

See Fig. 2, it is the three-dimensional exploded view of battery pack among Fig. 1 embodiment, battery pack is by cell---and battery one A22 and battery two A21 constitute, the inner chamber of left side lid A12 is separated muscle A120 and is divided into the battery cavities A123 on top and the socket cavity A124 of bottom, the both sides of left side lid are provided with guiding rib A122 (only seeing among the figure wherein on one side), the inner chamber of same right lid A11 is that the inner chamber with left side lid is provided with battery cavities and socket cavity symmetrically, socket A40 is fixed on the side opening A111 that its opening surface covers in the socket cavity to the right, battery pack is placed in the battery cavities, and Zuo Gai is fixed together both with glue or high-frequency welding at both guiding rib places with the right back that covers; The two ends of a lead are welded on the negative electrode of battery one A22 tail end and the positive electrode of battery two A21 front ends respectively, battery one and battery two are connected in series, again charge-discharge protection circuit plate A33 is electrically connected with the both positive and negative polarity and the socket A40 of battery pack respectively with conductor strip, then packing ring A41, battery pack, pad A31, sponge packing ring A32, charge-discharge protection circuit plate A33 and positive electrode plate A34 are put into the cavity that the battery cavities by the battery cavities A123 of left side lid A12 and right lid A11 surrounds, between battery one and battery two, can also place a packing ring A23 certainly; With socket A40; positive electrode A42; electrode tip holder A43; sticking block A44; negative electrode panel seat A45 and negative electrode A46 put into the cavity that is made of the socket cavity A124 of left side lid and the right socket cavity that covers; wherein negative electrode A46 is fixed among the negative electrode seat A45; positive electrode A42 is fixed among the electrode tip holder A43; sticking block A44 between negative electrode seat and the electrode tip holder is bonded together both then; the opening of socket A40 is over against the side opening A111 of right side lid, and the branch muscle A120 of Zuo Gai and right lid and the gap between the A110 can allow the lead of gang socket and battery pack and charge-discharge protection circuit plate pass through.For conserve space, generally adopt the lead of sheet.

Claims

1. A flashlight, including a battery, a barrel, an electroluminescent body and a tail cap, is characterized in that a first contact piece and a second contact piece are fixed at the tail of the battery, and the first contact piece and the second contact piece are respectively connected to the The positive and negative poles of the battery are electrically connected, and a circuit board with a built-in microcomputer controller is fixed on the inside of the tail cover. The microcomputer controller controls the power supply of the electroluminescent body, and the switch on the circuit board extends out of the tail cover. A first spring and a second spring are respectively fixed on the inner side of the circuit board, the inner ends of the first spring and the second spring are respectively electrically connected to the microcomputer controller, and the outer ends of the first spring and the second spring are respectively facing the first contact and second contact.

2. The flashlight according to claim 1, characterized in that said switch is equipped with a rubber cover, and the outer edge of the rubber cover is clamped between said circuit boards of the tail cover.

3. The flashlight according to claim 1, wherein the circuit board is fixed on the mounting block, and the mounting block is screwed to the tail cap.

4. The flashlight according to claim 1, wherein the electroluminescent body is electrically connected to the first contact piece and one of the electrodes of the battery, respectively.

5. The flashlight according to claim 1, characterized in that the electroluminescent body is an electric bead or a light emitting diode.

6. The flashlight according to claim 1, wherein the first spring, the second spring and the tail cap are coaxial.

7. The flashlight according to claim 1, characterized in that the battery is a battery pack composed of two or more single cells connected in series, and the battery pack is fixed in a casing composed of a left cover and a right cover , The left cover and the right cover are welded and fixed or fixed with glue.

8. The flashlight according to claim 7, wherein a socket is provided on the housing, and the socket is electrically connected to the positive and negative electrodes of the battery pack.

9. The flashlight according to claim 7, wherein the outer cylindrical surface of the casing is provided with axial guide ribs, and the inner wall of the barrel is provided with guide grooves matching the guide ribs.

10. The flashlight according to claim 8, characterized in that a charging and discharging protection circuit board is fixed inside the housing.