CN2712652Y

CN2712652Y - Sparkling pen

Info

Publication number: CN2712652Y
Application number: CN 200420023553
Authority: CN
Inventors: 余银亨
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-04
Filing date: 2004-06-04
Publication date: 2005-07-27
Anticipated expiration: 2014-06-04

Abstract

The utility model relates to a sparkling pen which comprises a pen body, a detecting device used for prompting the illumination intensity of the environment and arranged on the upper end of the pen body, wherein, the detecting device comprises a battery, a photoconductive resistor, a controlling circuit, and a light emitting diode; the controlling circuit uses a chip JB6516G as a core. The VDD leading leg of the chip which is the leading leg of a power supply positive pole is externally connected with the battery, the GND leading pin of the chip which is the leading pin of a power supply negative pole is connected with the earth, the photoconductive resistor is connected between the OFFB leading pin of the chip which is a light-operated leading pin and the leading pin of the power source positive pole; a resistor R1 is connected between the light-operated leading pin and the leading pin of the power supply negative pole, and the light emitting diode is connected between the leading pin of the power supply positive pole and the leading pin of output end; a delay timer is arranged in the chip JB6516G, and the delay timer is matched with the light-operated leading pin. The utility model provides the sparkling pen which can automatically detect the illumination intensity of the environment, can prompt in time, and has the time-limit twinkling function.

Description

The flash of light pen

(1) technical field

The utility model relates to a kind of pen that glistens.

(2) background technology

Common, pen has writing function, writes when the intensity of illumination of environment is more weak for the writer, can influence Writer's eyesight, and Writer's glasses are tired easily.Someone has proposed a kind of pen that can glisten, as the patent No. be: 02247661.X, patent name is: the utility model patent of electronic eyesight protecting ball pen, the circuit board that can detect intensity of illumination is installed on ball pen, detects ambient light intensity, can indicate ambient lighting intensity by photo resistance, be provided with the unlatching switch on the circuit, when opening switch opens, if detecting ambient light illumination, photo resistance meets the requirements, then green LED is luminous; If when light was lower than standard illumination, red light emitting diodes flashed, with the announcement of warning, switch cuts out, and use finishes.Also the shortcoming of Cun Zaiing is: need open switch when 1, using, not realize detecting automatically, use cumbersome; 2, checkout gear does not have delay function, under unmanned situation, just can stop flicker after the complete power consumption of battery, the waste electric energy.

(3) summary of the invention

The flash of light pen can not detect, not possess the deficiency of flashing function in limited time automatically in the prior art in order to overcome, and the utility model provides a kind of intensity of testing environment illumination automatically and in time reminds, and be provided with the flash of light pen of flashing function in limited time.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of flash of light pen comprises handwriting, installs in the upper end of handwriting to be used to remind the checkout gear of ambient lighting intensity, and described checkout gear comprises battery, photo resistance, control circuit and light emitting diode; Described control circuit is that chip JB6516G is the control core circuit, the VDD pin of described chip is a positive source pin external connection battery, the GND pin of described chip is a power cathode pin ground connection, at the OFFB of described chip pin is to be connected with described photo resistance between light-operated pin and the described positive source pin, be connected with resistance R 1 between described light-operated pin and the described power cathode pin, be connected with light emitting diode between described positive source pin and the output pin, described chip JB6516G is built-in with delayer, and described delayer and described light-operated pin are used.

Further, described light emitting diode has two, and LED1 is a blue LED, and LED2 is a red light emitting diodes, described LED1 is connected between positive source pin and the output L2 pin, and described LED2 is connected between positive source pin and the output L5 pin.

The middle part of described handwriting is equipped with appliance for holding pen, and described appliance for holding pen is socketed on the handwriting.

The beneficial effect of flash of light pen described in the utility model mainly shows: 1, owing to photo resistance is connected with two light emitting diodes by intelligent chip JB6516G, the photo resistance other end is connected with power supply, two alternately flickers of light emitting diode when the intensity of illumination of environment is lower than normal intensity, when if the detected temperature of photo resistance is higher than normal intensity, light emitting diode extinguishes, and can detect intensity of illumination and prompting in time automatically; 2, also be provided with delayer on the intelligent chip JB6516G, be triggered at light-operated pin, the delayer timing began when light emitting diode brightened, chip cuts off the power supply automatically reach time limit of setting at delayer after, cause negative influence can not for user's eyesight, plays the effect of economize on electricity simultaneously; 3, on-off circuit, delay circuit are integrated on the intelligent chip JB6516G, entire circuit is simple in structure, and cost is lower; 4, be provided with appliance for holding pen at the handwriting middle part, appliance for holding pen is socketed on the handwriting, can hold appliance for holding pen during use and write, and writes lighter.

(4) description of drawings

Fig. 1 is the structure chart of flash of light pen described in the utility model;

Fig. 2 is the checkout gear circuit diagram of flash of light pen described in the utility model.

(5) specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

With reference to Fig. 1, Fig. 2, a kind of flash of light pen comprises handwriting 1, installs in the upper end of handwriting 1 to be used to remind the checkout gear of ambient lighting intensity, checkout gear to comprise battery 2, photo resistance 4, control circuit 3 and two LEDs 1, LED2; Control circuit 3 is to be the control core circuit with chip JB6516G, the VDD pin of chip is a positive source pin external connection battery, the GND pin of chip is a power cathode pin ground connection, at the OFFB pin is to be connected with photo resistance CDS between light-operated pin and the positive source pin, be connected with resistance R 1 between light-operated pin and the power cathode pin, be connected with LED1 between positive source pin and the L2 pin, be connected with LED2 between described positive source pin and the L5 pin.The middle part of handwriting 1 is equipped with appliance for holding pen 6, and appliance for holding pen 6 is socketed on the handwriting.The resistance value of resistance R 1 is 25K Ω, LED1 is a blue LED, LED2 is a red light emitting diodes, chip JB6516G is built-in with delayer, delayer is triggered at light-operated pin, light emitting diode picks up counting when lighting, delayer has arrived the time limit of setting, can be with the dump of chip, and light emitting diode extinguishes.

Chip JB6516G described in the utility model is the chip that is provided with six light emitting diode outputs, and its pin characteristic is referring to table 1, and is as follows:

Numbering	Symbol	Pin function
Numbering	Symbol	Pin function	1	OSCI	The vibration input
2	OSCO	Vibration output	1	OSCI	The vibration input
2	OSCO	Vibration output	3	OFFB	Light-operated pin
4	OS	Triggering key, key sends out a LED and dodges 16 all after dates and stop	3	OFFB	Light-operated pin
4	OS		5	TIMER	Timer output
6	VDD	Positive source	5	TIMER	Timer output
6	VDD	Positive source	7	RD/SQ	Disorderly dodge/select (during empty pin be disorderly to dodge, and meets GND for along sudden strain of a muscle) along dodging
8	ON/OFF	The LED selector switch that glimmers/stop key, ground connection is dodged often	7	RD/SQ
8	ON/OFF		9	TP	Close beta
10	GND	Power cathode	9	TP	Close beta
10	GND	Power cathode	11	L6	The LED6 output
12	L5	The LED5 output	11	L6	The LED6 output

13	L4	The LED4 output
13	L4	The LED4 output	14	L3	The LED3 output
15	L2	The LED2 output	14	L3	The LED3 output
15	L2	The LED2 output	16	L1	The LED1 output

Table 1

The course of work of flash of light pen described in the utility model is: photo resistance is connected between light-operated pin and the positive source pin, resistance R 1 is connected on closes between control pin and the power cathode pin, blue LED LED1, red light emitting diodes LED2 is connected on positive source pin and L2 respectively, between the L5 pin, when the light deepening in the external world (secretly normal required light when study), it is big that the resistance of photo resistance becomes, constitute start-up circuit with R1, starting chip JB6516G starts working, can start blue LED LED1 immediately, red light emitting diodes LED2, make its alternately flicker, to play the purpose that prompting is turned on light.In the time of circuit start, the delayer of chip JB6516G inside picks up counting, can initialization circuit work after 10 seconds, the positive source pin of chip JB6516G cuts off the power supply automatically, two light emitting diodes stop flicker, cause any negative effect can for user's eyesight, play the effect of economize on electricity simultaneously.

Claims

1, a kind of flash of light pen comprises handwriting, it is characterized in that: be used to remind the checkout gear of ambient lighting intensity in the installation of the upper end of handwriting, described checkout gear comprises battery, photo resistance, control circuit and light emitting diode;

Described control circuit is to be the control core circuit with chip JB6516G, the VDD pin of described chip is a positive source pin external connection battery, the GND pin of described chip is a power cathode pin ground connection, at the OFFB of described chip pin is to be connected with described photo resistance between light-operated pin and the described positive source pin, be connected with resistance R 1 between described light-operated pin and the described power cathode pin, be connected with light emitting diode between described positive source pin and the output pin, described chip JB6516G is built-in with delayer, and described delayer and described light-operated pin are used.

2, as claims 1 described flash of light pen, it is characterized in that: described light emitting diode has two, LED1 is a blue LED, LED2 is a red light emitting diodes, described LED1 is connected between positive source pin and the output L2 pin, and described LED2 is connected between positive source pin and the output L5 pin.

3, flash of light pen as claimed in claim 2, it is characterized in that: the middle part of described handwriting is equipped with appliance for holding pen, and described appliance for holding pen is socketed on the handwriting.