CN2739006Y

CN2739006Y - LED multifunction pen

Info

Publication number: CN2739006Y
Application number: CN 200420070934
Authority: CN
Inventors: 陈皓明; 陈锦来; 李明远; 肖俊
Original assignee: Shenzhen Miaohao High-New Science & Technology Development Co Ltd
Current assignee: Shenzhen Miaohao High-New Science & Technology Development Co Ltd
Priority date: 2004-06-30
Filing date: 2004-06-30
Publication date: 2005-11-09
Anticipated expiration: 2014-06-30

Abstract

The utility model provides a multifunctional pen, which has advantages of portability, durability, capability of illuminating for writing, good illuminating effect, and function of laser emission directing. The illuminating position of the multifunctional pen is arranged on the pen point; one or more white light LED chips, which are welded on a ring printed wiring board, are used as the light sources; the pen point is made of transparent plastic materials; the printed wiring board with a plurality of white light LED chips is installed inside the pen point; the white light LED chips are arranged toward the pen point; the light emission effect can meet the illuminating requirement of writing for the shape of the pen point is specially designed. Another characteristic of the utility model is that a laser LD, which can emit a directing laser beam from the pen tail, is fixed on the pen tail; the base pins of the laser LD are welded on a square printed wiring board; the wires on the square printed wiring board are connected with a power supply and a control switch. Two lithium ion batteries are provided on the multifunctional pen of the utility model for supplying power respectively for the illuminating part and the laser emission part.

Description

The LED multifunctional pen

Technical field

The utility model relates to the pen that has portable lighting and Laser emission direction-pointing function, and the utility model is particularly related to the lettering pen that the hand-held battery type has illumination and Laser emission direction-pointing function.

Background technology

In many occasions, often to use pen to write.Sometimes also need to write in the dim environment not good or not illumination in illumination, at this moment,, just can't write with common pen if there is not auxiliary illuminations.If pen itself has illumination functions, and is just very convenient in this occasion.

The handwriting of present existing band illumination functions is long-pending bigger than normal, complex structure.Perhaps owing to be subjected to the restriction of existing structure, luminous position is very unsuitable, and illuminating effect is undesirable when writing; Perhaps be not durable, damage easily; Perhaps the time that can throw light on is too short.

Some product adopts the bulb illumination, and this is very unfavorable to portable product, is given a shock just to be very easy to damage; Common product all uses nickel-hydrogen cell, and the up time is short, just needs the frequent battery of changing, and makes troubles to the user; And the supply voltage of nickel-hydrogen cell is low, often needs multiple batteries just can provide suitable voltage, and the volume and weight of product is all bigger.And luminous position directly has influence on the key factor of result of use especially, existing product otherwise in the rear end of pen by a bracket with foldable bright dipping, illumination distances is far away like this, illumination efficiency is not high, is easy to generate shade, volume ratio is bigger simultaneously; In a body bright dipping, undesirable to the illuminating effect of writing the zone like this.

Simultaneously, the function singleness of existing product only provides the illumination when writing, not in conjunction with other facilitating functions.

For example, be in a kind of half dark lighting environment, at this moment write the illumination functions that just can use pen in the occasion of playing magic lantern; And when carrying out the magic lantern speech, need to use the sensing light beam to assist speech as marking tools.The utility model multifunctional pen combines illumination and direction-pointing function, can satisfy above-mentioned needs, and is convenient practical.

The utility model content

The utility model provides a kind of multifunctional pen, and it is light durable, can provide for a long time and write illumination, and good illumination effect also has the Laser emission direction-pointing function simultaneously.

The utility model multifunctional pen lighting position is done light source at pen head part by one or more White-light LED chips that are welded on the annular printed substrate; Printed substrate is a doubling plate, adopts annular, and middle hole makes pen core pass through, and White-light LED chip is welded on the electrode in printed substrate front, and the both positive and negative polarity of electrode is communicated with the positive and negative contact at the printed substrate back side, is connected with gauge tap with power supply; White-light LED chip is distributed in around the pen core.

Another feature of the utility model is that nib is made by transparent plastic material, and the printed substrate that has several White-light LED chips is installed in the nib, and White-light LED chip is towards nib; The shape of nib makes out light effect satisfy and writes lighting requirement through particular design.

Another feature of the utility model is that the afterbody of pen installs and fixes a laser LD, can outwards launch a branch of sensing laser by afterbody; The pin of this laser LD is welded on the square printed substrate, and the circuit on the square printed substrate is connected with gauge tap with power supply.

The utility model multifunctional pen is partly powered to illumination section and Laser emission respectively by two joint lithium ion batteries, this two joints lithium ion battery negative is placed in opposite directions, middle conductive communication connects the cathode contact of annular printed substrate and square printed substrate then respectively by the negative pole circuit in the pen; The positive pole of two batteries is respectively by the anodal circuit connecting ring shape printed substrate in the pen and the cathode contact of square printed substrate, to the illumination LED and the afterbody laser LD power supply of nib, and can be by the illumination LED of the control of the gauge tap on circuit nib and the on off state of afterbody laser LD.

With reference to following detailed description, other features and advantages of the utility model will be more readily apparent from conjunction with the accompanying drawings, and these accompanying drawings are with the form of giving an example principle of the present utility model to be described.

Description of drawings

Fig. 1 is the generalized section of the utility model multifunctional pen;

Fig. 2, Fig. 3 are the positive and back of the body edge views of the lighting source part of the utility model multifunctional pen;

Fig. 4 is the sectional view of the lining of the utility model multifunctional pen;

Fig. 5 is the sectional view of the positioning sleeve of the utility model multifunctional pen;

Fig. 6 is that an end has wavy sheet metal schematic diagram in the utility model multifunctional pen;

Fig. 7 is the sectional view of the laser nib of the utility model multifunctional pen.

The specific embodiment

Consult Fig. 1, the housing of this multifunctional pen is made of nib 1, transiting rod 4, mobile jib 5, preceding battery compartment 8, back battery compartment 9 and laser nib 10, and in this programme, all make with plastic material at these positions.

Consult Fig. 2, Fig. 3, the lighting source 3 of multifunctional pen is made up of two White-light LED chips 37,38 of welding on the annular printed substrate 31; Printed substrate is a doubling plate, adopts annular, and middle hole 32 makes pen core 2 pass through, and has a breach 39 to be used for the location on the printed substrate; Two White-light LED chips are welded on two pairs of electrodes 33,34 in printed substrate front, and the both positive and negative polarity of electrode is communicated with the positive and

negative contact

35,36 at the printed substrate back side; Two White-light LED chips are distributed in the both sides of circular hole, to provide illumination for writing from different directions, eliminate shade.After tested, use existing low-power LED chip (operating current 20mA), at nib 3cm ²Scope in can reach 601ux illumination, can satisfy the requirement of writing illumination.The LED power consumption is low, extending battery life greatly, even after long time stored, LED also can continue the performance effect under the situation that battery electric power reduces.In addition and since LED do not resemble be easy to the incandescent lamp bulb damage, short-lived, so useful life of lamp longer (can up to about 100,000 hours) in this multifunctional pen, more durable and seldom can damage because of using accidentally.

Nib 1 is made by transparent plastic material, and White-light LED chip 37,38 is towards nib; The shape of nib makes out light effect satisfy and writes lighting requirement through light path design.Nib is preferably formed by the propylene plastic injected die.

Mobile jib 5 is inserted in the thinner end of transiting rod 4, and they can not produced relatively move, adopt gluing method in this example; Lighting source 3 is put into transiting rod, and the projection that its breach 39 is aimed at the transiting rod inwall can prevent that like this lighting source from rotating in transiting rod; Transiting rod 4 is threaded with nib 1 usefulness, tightens the back printed substrate 31 of lighting source is held out against, and makes the positive and

negative contact

35,36 at the printed substrate back side push down sheet metal 181,183 respectively simultaneously.In the hole on mobile jib 5 sidewalls switch module 12 is housed, sheet metal 181 welds with a pin of switch module 12, and sheet metal 182 welds with another pin of switch module 12, like this, and just can be by the on off operating mode of switch module 12 control sheet metals 181,182; Also has a lining 6 in the mobile jib 5, consult Fig. 4, this lining 6 is a plastic material, put into mobile jib 5, the platform 61 of lining one side faces switch module 12, and is adhesively fixed with glue and mobile jib inwall, and the effect of lining 6 is: sheet metal 181,182 is passed through from the outside of lining platform 61, do not contact the sidewall of pen core 2, in order to avoid cause short circuit; Platform 61 provides support for switch module 12; Also have a fluting 62 in this example on the jacket wall, its objective is to make lining have certain elasticity, can regulate diameter according to degree of tightness voluntarily.

Consult Fig. 5, positioning sleeve 7 is a plastic material, the thinner end of battery compartment 8 before putting into, and stick with glue connect fixing; Preceding battery compartment 8 thinner ends are inserted in the mobile jib 5, make sheet metal 182 enter the groove 71 of positioning sleeve simultaneously, and sheet metal 183 enters the flat hole 72 of positioning sleeve; Before battery compartment 8 and mobile jib 5 stick with glue connect fixing; Consult Fig. 6, sheet metal 182 front ends are made wavy, enter the groove 71 of positioning sleeve when a wavy end after, produce suitable compression, thereby closely contact with the inwall of preceding battery compartment 8; After sheet metal 183 entered the flat hole 72 of positioning sleeve, the exposed portions serve bending formed a shell fragment.

Preceding battery compartment 8 and back battery compartment 9 usefulness are threaded, the equal metal-coated membrane in their inwall and threaded connection place, thus form a conductive layer that is communicated with; Lithium ion battery 13 is packed into behind the preceding battery compartment 8, the dogleg section of anodal contact metal film 183, when back battery compartment 9 was tightened with the connecting thread of preceding battery compartment 8, the positive pole of lithium ion battery 13 compressed the dogleg section of sheet metal 183, and negative pole contacts with metal rivet 14 on the back battery compartment dividing plate; Like this, constituted current supply circuit: battery compartment 8 inwalls before the cathode contact 36-sheet metal 181-switch module 12-sheet metal 182-of the cathode contact 35-White-light LED chip 37 of lithium ion battery 13 positive poles-sheet metal 183-lighting source, 38-lighting source-back battery compartment 9 inwalls-metal rivet 14-lithium ion battery 13 negative poles to lighting source 3.

Consult Fig. 7, there is the muscle 101 of four projectioies laser nib 10 inboards, and these four muscle have formed two grooves 102, are used for fixing square printed substrate 11; One circular hole is arranged at laser nib 10 tops, is used to install and fix a laser LD17; In the hole on the laser nib sidewall switch module 16 is housed, the equal metal-coated membrane in the inwall of laser nib and threaded connection place forms conductive layer.

Be furnished with circuit on the square printed substrate 11, can weld the pin of laser LD17, and the bipod of switch module 16; Square printed substrate also has the both positive and negative polarity contact, wherein anodal welding one metal spring 111; The one side that square printed substrate 11 is had circuit is towards the gauge tap hole of laser nib 10 sidewalls, and the cathode contact of square printed substrate just contacts with the inwall of laser nib.

The laser nib 10 that installs square printed substrate 11 is tightened on the battery compartment 9 of back, and the metal spring 111 that is welded on the square printed substrate positive pole contacts and compresses with the positive pole of lithium ion battery 15; Like this, constituted current supply circuit: lithium ion battery 15 positive poles-square printed substrate 11 cathode contacts-square printed substrate 11 cathode contacts of switch module 16-laser LD17--laser nib 10 inwalls-back battery compartment 9 inwalls-metal rivet 14-lithium ion battery 15 negative poles to laser LD17.

Laser LD17 can outwards launch beam of laser by afterbody, and the light of ejaculation is parallel with the axis of pen.Can select the laser LD of different colours as required for use.This function of the present utility model is generally selected red laser as the slide demonstration optical transmitting set.

The power supply of use lithium ion battery, the supply voltage of every joint lithium ion battery is 3.6V, be complementary with the operating voltage of employed White-light LED chip 37,38 and laser LD17, and big many of the common nickel-hydrogen cell (comprising button cell 1.2V) of Capacity Ratio, therefore the time of using increases the trouble of having avoided frequent replacing battery to be brought greatly.When the user pressed the button of switch 12, White-light LED chip 37,38 was luminous, and the illumination of writing is provided.When the user pressed the button of switch 16, laser LD17 was luminous, and laser beam is provided, and realized direction action.

Another embodiment of the utility model multifunctional pen is, with need be at the position of inwall metal-coated membrane in the last scheme: preceding battery compartment 8, back battery compartment 9 and laser nib 10 make metal material into and make, itself just has conductive capability, does not therefore need metal-coated membrane.The White-light LED chip quantity of welding can be more on the annular printed substrate 31 of lighting source 3, to form better illuminating effect.

From the above, the utility model provides a kind of multifunctional pen, and it is light durable, because light source all adopts LED, consumed power is low, and uses lithium ion battery as power supply, can provide for a long time and write illumination, good illumination effect also has the Laser emission function simultaneously.Although above-described is particular form of the present utility model, on the basis that does not break away from the utility model design and scope, also can make many versions.Therefore, although the utility model describes in detail and only to carry out with reference to preferred embodiment, those of ordinary skill in the art knows not breaking away to also have many versions on the basis of the present utility model.Therefore, protection domain of the present utility model is determined by claims.

Claims

1. a multifunctional pen can provide for a long time and write illumination, and good illumination effect also has the Laser emission direction-pointing function simultaneously.

2. the described multifunctional pen of claim 1, its lighting position is done light source at pen head part by one or more White-light LED chips that are welded on the annular printed substrate.

3. multifunctional pen according to claim 1, printed substrate adopts annular, and middle hole makes pen core pass through, and White-light LED chip is distributed in around the pen core.

4. multifunctional pen according to claim 1, nib is made by transparent plastic material, and the printed substrate that has several White-light LED chips is installed in the nib, and White-light LED chip is towards nib.

5. multifunctional pen according to claim 1, the afterbody of pen installs and fixes a laser LD, can outwards launch a branch of sensing laser by afterbody.

6. multifunctional pen according to claim 1 is partly powered to illumination section and Laser emission respectively by two joint lithium ion batteries.

7. multifunctional pen according to claim 1, lining is a plastic material, put into mobile jib, the platform of lining one side faces switch module, and be adhesively fixed with glue and mobile jib inwall, the effect of lining is: sheet metal 181,182 is passed through from the outside of lining platform, do not contact the sidewall of pen core 2, in order to avoid cause short circuit; Platform provides support to switch module.

8. multifunctional pen according to claim 1, the metal coating conduction of battery compartment, back battery compartment and laser nib inwall forms the galvanic circle before utilizing.

9. multifunctional pen according to claim 1 optionally comprises the parts of inwall metal-coated membrane that preceding battery compartment, back battery compartment and laser nib make of metal material, utilizes itself electric conductivity to form the galvanic circle.

10. multifunctional pen according to claim 1, when pressing the button of switch 12, White-light LED chip is luminous, and the illumination of writing is provided; When pressing the button of switch 16, LD is luminous for afterbody laser, and laser beam is provided.