CN2517048Y

CN2517048Y - Pen-type testing device for paper money

Info

Publication number: CN2517048Y
Application number: CN01271214U
Authority: CN
Inventors: 黄教强
Original assignee: SANDE ELECTRONIC CO Ltd
Current assignee: SANDE ELECTRONIC CO Ltd
Priority date: 2001-11-14
Filing date: 2001-11-14
Publication date: 2002-10-16
Anticipated expiration: 2011-11-14

Abstract

The utility model relates to an improved counterfeit currency detecting pen, comprising a cylinder pen body, a battery embedded in the pen body, a drive circuit of the light component group, a front cover and a rear cover arranged on the two ends of the pen body, which is characterized in that the battery is an alkaline battery; the drive circuit of the light component group comprises a booster circuit, which is used to upgrade the voltage of the battery to a voltage rating that is large enough to drive the light component group, thus the battery number can be reduced with no battery type confine. A hood is arranged on the front cover, thus the utility model can identify the area where the light component group projects light and identify the reflection performance when the light is enough in the outdoor.

Description

The currency examine pen

Technical field

The relevant a kind of currency examine pen of the utility model.

Background technology

The disclosure of falling over each other owing to various medium, there are how many counterfeit moneys to flow into the market actually and become the topic that the whole people make earnest efforts, and the identification counterfeit money becomes "sport for all" more unprecedentedly, under this situation, the currency examine pen promptly becomes emerging and if you stretch out your hand you feel the heat commodity in great demand, and the principle of currency examine pen is very simple in fact, mainly is that the ultraviolet light that utilizes ultraviolet LED to produce comes false proof fluorescent pattern hiding on the identification banknote.Therefore, the structure of currency examine pen is also quite simple, essential structure and the previous laser pen that is in fashion much at one, difference be in: the currency examine pen is to use ultraviolet LED as optical assembly; Laser pen then uses the laser light diode.Its structure includes a body 70 of a tubular, the mercury battery 71 of being located at a body 70 inside, optical assembly driving circuit 72 and is divided into the bonnet 73 and protecgulum 74 at a body 70 two ends roughly as shown in Figure 5; Wherein:

Described body 70 is formed with a perforation in the appropriate position, for passing a button 701 from inside to outside, described again optical assembly driving circuit 72 is to be established on the circuit board, its upper end is arranged with a ultraviolet LED 721 and a push switch 722 with the surface, wherein ultraviolet LED 721 front ends are piercing in beyond the protecgulum 74,722 right positions of push switch are in described button 701 inboards, when button 701 is pressed, optical assembly driving circuit 72 promptly constitutes electric power loop with mercury battery 71, and makes ultraviolet LED 721 produce ultraviolet.

Again as can be seen from Figure, no matter be laser pen or currency examine pen at present, be mercury battery 71 supply working powers with 1.5 volts, and once must use three, reason is: the operating voltage of laser light diode or ultraviolet LED is 3.5 volts, uses two 1.5 volts the described optical assembly of the still not enough driving of mercury battery, so must be with 4.5 volts of voltages of three 1.5 volts of mercury batteries series connection generations, be treated to 3.5 volts through voltage stabilizing again, can normally promote optical assembly and light.But this kind situation will increase the usage quantity of mercury battery undoubtedly, and mercury battery is mostly only in the capable sale of specific electronic material, can not show a candle to general alkaline battery obtaining convenience,, often produce puzzlement because of raking in same battery so meet when changing battery and needing.

In addition, described currency examine pen is to adopt openly at the Lights section, and its projection brightness is influenced by available light, thereby the currency examine pen out of doors and under the well-lighted environment, its result of use is very unfavorable.

From the above, existing currency examine pen still has some practical parts to the greatest extent textural, needs to be further reviewed, and seeks feasible solution.

The utility model content

Therefore, the purpose of this utility model be to provide a kind of need not to use the particular form battery, and can reduce the battery usage quantity and can bright and clear out of doors situation under the modified currency examine currency examine pen that uses.

For achieving the above object, currency examine pen of the present utility model comprises the optical assembly driving circuit and the battery more than, a protecgulum that is divided into a body two ends and the bonnet that are divided in the tubular body; Be arranged in a pen button on one's body from inside to outside, button is inboard suitable corresponding to push switch set on the optical assembly driving circuit; It is characterized in that: described optical assembly driving circuit is to be made of a booster circuit; The quantity of battery is set at series connection back voltage less than the optical assembly operating voltage, and boosts to the required rated voltage of optical assembly by the optical assembly driving circuit, and drives described optical assembly according to this.

Adopt such scheme of the present utility model, cell voltage can be boosted to the rated voltage that is enough to drive optical assembly, obtain difficult mercury battery to reduce number of battery cells and to need not use; And can under outdoor well-lighted situation, be beneficial to identification optical assembly throw light zone and reflecting effect thereof.

Understand the purpose of this utility model, characteristics and advantage for clearer, preferred embodiment of the present utility model is elaborated below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is an exploded view of the present utility model;

Fig. 2 is the circuit diagram of the utility model optical assembly driving circuit;

Fig. 3 is an outside drawing of the present utility model;

Fig. 4 is a user mode reference diagram of the present utility model;

Fig. 5 is the exploded view of existing currency examine pen.

Embodiment

Relevant structure part of the present utility model sees also shown in Figure 1ly, and it includes:

A body 10 is hollow tube-shape, and opening inboard, its rear end is formed with thread segment, is provided with spiral shell and establishes mode in conjunction with a bonnet 11, and a body 10 is in be formed with a perforation 12 near the front end place, for placing a button 13 from inside to outside again;

Battery 14 more than one in present embodiment, is to use two general No. 3 or No. 4 alkaline batteries of 1.5 volts;

One optical assembly driving circuit 20, it is established on the circuit board, be arranged with a ultraviolet LED 21 and a push switch 22 on it, wherein ultraviolet LED 21 is located on the circuit board on the end with respect to a body 10 front openings, push switch 22 is sides of being located at circuit board again, and correspondence is positioned at described button 13 inboards; The relative end in addition that the relative ultraviolet LED 21 of circuit board is provided with end upward and on other side of relative push switch 22 placements is arranged with contact spring 23, in order to contacting with a body 10 inwalls with battery 14 respectively, and whether constitute the loop by described two contact springs 23 of described push switch 22 controls; To describe in detail below about driving circuit section.

One protecgulum 30 is hollow tube-shape, and an end external diameter of its adjacent body 10 cooperates a body 10 internal diameters, and with mutual socket, and described ultraviolet LED 21 places therebetween; Protecgulum 30 is held in addition and is formed with a recess 31 on the barrel again, and described recess 31 medial extremitys are positioned at beyond the ultraviolet LED 21, and promptly described ultraviolet LED 21 does not protrude in beyond the recess 31.And utilize described tubular protecgulum 30 can stop that most extraneous light enters the range of exposures of ultraviolet LED 21, and the window that the user can utilize recess 31 to constitute is visited the reflecting effect that produces behind the ultraviolet light irradiation specific objective thing.

The wiring diagram of described optical assembly driving circuit 20 sees also shown in Figure 2, mainly by an inductance L, a diode SD, a booster circuit that an IC and a capacitor C etc. are formed that boosts, utilizing described booster circuit 3 volts DC voltage can be boosted is 4.5 volts, so that the ultraviolet LED on the drive output 21 is lighted.Described again structure through the combination after as shown in Figure 3.

Can find out concrete structure of the present utility model by above-mentioned explanation, described design possesses following properties and advantage at least:

1. reduce the battery usage quantity: the utility model system consists of described optical assembly drive circuit with booster circuit, Be 3.5 volts of being enough to drive optical assembly so 3 volts cell voltage can be boosted, and two 1.5 volts battery Can connect produces 3 volts DC voltage, so remake step-down place compared to existing pen-type testing device for paper money with three battery series connection The mode of reason can reduce the consumption of battery.

2. need not the mercury battery that use obtains comparatively inconvenience: the utility model be except can reducing the number of batteries, Use the general alkaline battery of formal use of battery to get final product, it is easier to obtain compared to mercury battery.

3. can use under the well-lighted situation out of doors: because the utility model protecgulum has special light shield Design, it can block most extraneous light and enter the interior ultraviolet light irradiation scope (as shown in Figure 4) of protecgulum, And can under the situation that is not subjected to external light influence, use out of doors.

Claims

1. a currency examine pen comprises the optical assembly driving circuit and the battery more than, a protecgulum that is divided into a body two ends and the bonnet that are divided in the tubular body; Be arranged in a pen button on one's body from inside to outside, button is inboard suitable corresponding to push switch set on the optical assembly driving circuit; It is characterized in that:

Described optical assembly driving circuit is to be made of a booster circuit; The quantity of battery is set at series connection back voltage less than the optical assembly operating voltage, and boosts to the required rated voltage of optical assembly by the optical assembly driving circuit, and drives described optical assembly according to this.

2. currency examine pen as claimed in claim 1 is characterized in that described protecgulum is hollow tube-shape, and it is formed with a recess on end in addition with respect to a body.

3. currency examine pen as claimed in claim 2 is characterized in that, described optical assembly driving circuit output terminal connects a ultraviolet LED, and described ultraviolet LED is placed through between protecgulum, but the inboard place of position recess thereon.

4. as claim 1 or 3 described currency examine pens, it is characterized in that described battery is general alkaline battery.