CN201408402Y

CN201408402Y - Point-reading pen

Info

Publication number: CN201408402Y
Application number: CN2009201026817U
Authority: CN
Inventors: 崔伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-11
Filing date: 2009-05-11
Publication date: 2010-02-17
Anticipated expiration: 2019-05-11

Abstract

The utility model relates to a point-reading pen compatible with a point-reading machine, in order to resolve the problems of the existing point-reading pen such as complicated assembling and difficult miniaturization. The point-reading pen comprises a penholder and a cartridge, wherein the cartridge is arranged in the penholder, and internally provided with an electromagnetic-induction signal transmission coil, a circuit board with a transmission circuit and a detection circuit, a piezoelectric ceramic plate and a power conversion device; and the piezoelectric ceramic plate axis and the cartridge axis form an included angle of about 90 degrees, the power conversion device converts an axial force by about 90 degrees and applying the direction-converted force on the piezoelectric ceramic plate. The point-reading pen has the advantages that the point-and-click feels are in line with the use habit, the point-and-click response speed is high, the production and assembly are simple, and thelike.

Description

Talking pen

Technical field:

The utility model relates to a kind of and the matching used talking pen of point reader.

Background technology:

At present, the phonetic study device that has multiple child altogether, children to use on the market, electronic speech book, early learning machine, point reader etc. are arranged, though title difference but principle of work is essentially identical, the saying of " point reader " is occupied leading position now, for convenience, we claim that tentatively it is a point reader.What early stage point reader was used is wired pen, and for example the patent No. is in 01242809.4 the utility model patent, to disclose a kind of " the multifunction electric philosophical works ", use be wired pen; Occur to use the point reader of wireless pen afterwards, for example the patent No. is in 200420003299.8 the utility model patent, to disclose a kind of " Electrophonic Musical Book Device ", and it uses wireless pen.

The principle of wireless talking pen noted earlier is the click action that at first will detect pen, energized was transmitted into electromagnetic induction signal on the tablet after Bi governor circuit received click signal then, judged the choice of location pronunciation of clicking pen according to the electromagnetic induction signal of pen emission by tablet.The device of the detection action of existing wireless talking pen detecting pen is a switch, for example in the patent No. is 200420004504.2 utility model patent, disclose a kind of " signal emission pen device ", it uses the click action of switch detecting pen, and for example in the patent No. is 200620015083.2 utility model patent, disclose a kind of " wireless transmit pen ", it also uses the click action of switch detecting pen.

Click as the wireless pen of board support equipment detects the problem that will solve in addition, basic identical with the problem that wireless talking pen click detection will solve, and being pressure transducer, board wireless pen present situation replaced switch to come the click action of detecting pen, for example in the patent No. is 03158994.4 patent of invention, disclose a kind of " bendable musical form pressure sensitive writing pencil ", it converts pen point pressure to rotating speed, thereby detecting the pressure that rotating speed calculates nib then, judged whether click action according to pen point pressure, and for example in the patent No. is 200610066172.4 patent of invention, disclose a kind of " sensing element of pen-based input device and use thereof ", it uses pressure resistance sensor pen point pressure, has judged whether click action according to pen point pressure.

For using that switch is big as the stroke ratio of the nib of the wireless talking pen of the device of detecting pen click action, click power is big and unshapeliness is compared with using conventional pen (pen, ball pen, pencil etc.), feel is too wide in the gap, does not meet use habit; And the wireless pen of band pressure transducer has solved this problem to a certain extent in the existing board, but does not also reach the degree identical with the conventional pen feel, and existence or problems such as complex structure or support circuit complexity.

The patent No. is that 200820094591.3 utility model patent has solved the problems referred to above, but it also has assembling complicated, and straight footpath is difficult for the problem of miniaturization greatly.

The utility model content:

At the defective on the prior art, it is complicated that the utility model solves the assembling of piezoelectric ceramics talking pen, is difficult for the problem of miniaturization.

The scheme that its technical matters that solves the utility model adopts is: construct a kind of wireless talking pen, comprise penholder and pen core, in described penholder, pen core is housed, the electromagnetic induction signal transmitting coil is housed in described pen core, is provided with wiring board, piezoelectric ceramic piece, the power conversion device of radiating circuit and testing circuit; The axis of piezoelectric ceramic piece and pen core axis approximately are 90 angles, and L shaped power conversion device is changed about 90 degree with axial power, and the masterpiece after the direction conversion is used on the piezoelectric ceramic piece; Its beneficial effect is owing to the axis direction of piezoelectric ceramic piece along pen keeps flat, making and vacateing bigger space in the pen core is the annex that wiring board can directly reach transmitting coil, connecting line technics is simple, and the diameter of pen is reduced, and the installation of piezoelectric ceramic piece itself is also easy than the situation of piezoelectric ceramic piece axis and pen core dead in line.

In the utility model, the testing circuit prime on the described wiring board is used field effect transistor, and using the field effect transistor beneficial effect is that its input impedance is big, and is highly sensitive.

In the utility model, the testing circuit prime on the described wiring board comprises the field effect transistor holding circuit, is made up of the diode that connects power supply and ground respectively, is used for protecting field effect transistor, prevents electrostatic breakdown field effect transistor in process of production.

In the utility model, described power conversion device comprises power conversion fulcrum, is supported on the power selector bar on the fulcrum, power conversion pivot fulcrum and power selector bar form lever, the position relation of adjusting power conversion pivot fulcrum and power selector bar, power there is the regulatory function that zooms in or out, is used for using the sensitivity demand of different product.

In the utility model, described power conversion device comprises the potsherd protective device, and the stroke of the power selector bar of protective device limit rod is used for limiting the power that is applied on the piezoelectric ceramic piece, prevents to damage piezoelectric ceramics.

In the utility model, described pen core is a compact assembly, do not rely on penholder in the process of grown place, production process technology is simplified, it can be used as standard component, cooperates the talking pen that produces different outward appearances with the penholder of different outward appearances, and the power supply that being equipped with battery or main frame provides will form wireless talking pen or wired talking pen, complicated technology is oversimplified, reduced cost.

Sum up wireless talking pen of the present utility model, following advantage arranged:

Final products are small and exquisite, assembling simply is easy to produce.

Description of drawings:

The outside drawing of Fig. 1 the utility model talking pen

Fig. 2 is the cut-open view of talking pen shown in Figure 1

Fig. 3 is the cut-open view of reading pen core shown in Figure 2

Fig. 4 is the decomposition chart of talking pen shown in Figure 1

Fig. 5 is the wiring board schematic diagram

Fig. 1-the 4th wherein, structural drawing, use identical numbering, coding rule: each numbering among the figure is represented an element, remove numbering and then represent the assembly at this element place after last bit digital, and the like to the last one, represent telefault such as 231, it is the ingredient of assembly pen core drain pan (23), and pen core drain pan (23) is again the ingredient of pen core (2), and the implication of rule numbers representative is listed as follows thus:

1: penholder

11: the cap for brush

12: a body

121: battery

122: the battery cathode shell fragment

123: the anode shell fragment

13: nib

2: pen core

21: the pen core loam cake

22: pen core upper and lower covers junction button

23: the pen core lower cover

231: nib

232: transmitting coil

233: wiring board

234: the piezoelectric ceramic piece casting die

235: piezoelectric ceramic piece

236: the power selector bar

237: power conversion fulcrum

238: the stressed protective device of piezoelectric ceramic piece

Wherein Fig. 5 is the wiring board schematic diagram, and the component type corresponding tables of its label and representative is as follows:

R: resistance

C: electric capacity

L: transmitting coil

Q1, Q2: triode

Q3: field effect transistor

D1, D2: diode

B1: piezoelectric ceramic piece

Embodiment:

A case description of the present utility model is as follows:

Shown in Figure 2 as Fig. 1, the utility model is made up of penholder and pen core.

Penholder (1) comprises the cap for brush (11), a body (12), the nib (13) that connects successively.

Pen core (2) comprises pen core loam cake (21), pen core lower cover (23), pen core upper and lower covers junction button (22) nib (231) transmitting coil (232), wiring board (233), piezoelectric ceramic piece casting die (234), piezoelectric ceramic piece (235), power selector bar (236).

As shown in Figure 3, power conversion fulcrum (237) on nib (231), power selector bar (236), the pen core lower cover (23) connects successively, transmission of formation power and conversion equipment, when being applied on the nib effectively, pen core can be added to the direction conversion 90 degree commentaries on classics of acting force on the piezoelectric ceramic piece, and piezoelectric ceramic piece casting die (234) and piezoelectric ceramic piece (235) edge contact produce reacting force.

As shown in Figure 3, power conversion fulcrum (237), power selector bar (236) form lever construction.

As shown in Figure 3; it above the power selector bar (236) the stressed protective device of piezoelectric ceramic piece (238); when the acting force of nib is too big; because the stress deformation of power selector bar (236); will withstand on the stressed protective device of piezoelectric ceramic piece (238) and no longer have bigger distortion, limit the amount of force of lever other end.

As shown in Figure 2, body (12) top is battery compartment, battery (121), battery cathode shell fragment (122), anode shell fragment (123) snap in respectively in the battery compartment, and battery cathode shell fragment (122), anode shell fragment (123) have line to be connected on the wiring board (233) respectively.

As shown in Figure 4, there is the screw hole of alignment to play fixation on pen core loam cake (21), pen core lower cover (23), the wiring board (233).

Wiring board, transmitting coil, the electric connecting relation of piezoelectric ceramic piece as shown in Figure 5, R1-R4, C1-C4, Q1, L1 forms classical Kao Bizi oscillating circuit, after circuit powers on to oscillating circuit, circuit plays shake, transmitting coil (L1) emission electromagnetic induction signal, C5 is a power-supply filter, and the effect of taking on storage power, Q2, Q3, B1 forms the click testing circuit, its output voltage uprises and triggers field effect transistor (Q3) resistance and reduce when piezoelectric ceramic piece (B1) is subjected to impacting because of the user clicks, and by the amplification of Q2 electric current, thereby make oscillating circuit play shake transmitting coil emission electromagnetic induction signal.

Claims

1, a kind of talking pen comprises penholder and pen core, in described penholder pen core is housed, and the electromagnetic induction signal transmitting coil is housed in described pen core, is provided with the wiring board of radiating circuit and testing circuit; It is characterized in that:

Described pen core comprises a piezoelectric ceramic piece;

The axis of described piezoelectric ceramic piece and pen core axis approximately are 90 angles;

Described pen core comprises a L shaped power conversion device, and described power conversion device is changed about 90 degree with axial power, and the masterpiece after the direction conversion is used on the piezoelectric ceramic piece.

2, talking pen according to claim 1 is characterized in that, the testing circuit prime on the described wiring board is used field effect transistor.

3, talking pen according to claim 2 is characterized in that, the testing circuit prime on the described wiring board comprises the field effect transistor holding circuit.

4, talking pen according to claim 1 is characterized in that, described power conversion device comprises power conversion fulcrum, is supported on the power selector bar on the fulcrum.

5, talking pen according to claim 4 is characterized in that, described power conversion device comprises the potsherd protective device, and the stroke of the power selector bar of protective device limit rod is used for limiting the power that is applied on the piezoelectric ceramic piece.

6, talking pen according to claim 1 is characterized in that, described pen core is a compact assembly.