CN2318671Y - Health-care device for help student study - Google Patents

Abstract

The utility model relates to a health-care device for helping student with study, belonging to a body and eyes health protection device, wherein, the inner of a casing is provided with an acoustic horn, a battery, and a circuit board; the right face of the casing is provided with an acoustic horn hole, a power light hole, a reset switch hole, and a photoresistor light receiving hole; the side wall is provided with an earphone socket hole, a mercury switch socket hole, and a switch volume hole; the circuit board is provided with a timing rest reminder circuit, a photometry circuit, and a study pose control circuit; the upper part of the earphone is provided with a mercury switch. The utility model has the advantages of novel structure; the prevention of nearsightedness for the reason of long time using eyes, dim light ray, and too near distance between eyes and books; the prevention of spinal curvature resulted in incorrect study pose; no mutual interference generated when the utility model is used.

Description

The student learns to help protection device

The utility model relates to a kind of health and eye health protection instrument, the incorrect myopia that causes of particularly a kind of insufficient light and learning posture; The protection instrument of the incorrect spinal curvature that causes of learning posture.

Chinese patent " electronic eyesight protecting unit " patent No. 90212549.4; a kind of protector that prevents hypometropia with electronic technology control teenager when reading or writing is disclosed; it is to utilize thick film amplifying circuit, piezo-electric ceramic sounding element, surface cock to form; this instrument profile is shape of ears, and all devices are contained in the shape of ears shell.Be stuck in during use on user's ear, change by the surface cock angle, produce caution signal, control microphone device sounding reminds the user to note.This instrument volume can't be regulated, and when especially using on the classroom, produces the phase mutual interference, uncontrollable student's learning time and study light.

The purpose of this utility model is a kind of volume scalable will be provided and can control student learning time and the student of prompting study light learns to help protection device.

The purpose of this utility model is achieved in that this device has a casing and an earphone, press dress loudspeaker, battery, circuit board in the casing, the casing front has bellmouth orifice, power light hole, reset switch hole, photoresistance to be subjected to unthreaded hole, sidewall has earphone socket hole, mercury cut-off socket aperture, power supply volume one switch hole, has on the circuit board regularly to remind rest circuit, light measuring circuit, learning posture control circuit; One mercury cut-off is arranged at the top of earphone, wherein:

(1) regularly remind the rest circuit: 1 pin of integrated circuit (IC1) is connected and ground connection with an end of capacitor anode (C1), container (C2), an end of capacitor (C3), an end of reset switch (AN) simultaneously; 2 pin are connected with the other end, the other end of reset switch (AN), the resistance (R2) of capacitor (C2) simultaneously; 3 pin are connected with the emitter of triode (BG1), 1 pin of integrated circuit (IC2) simultaneously; 4 pin, 8 pin pass through potentiometer (W) simultaneously with after the other end of an end of resistance (R1), resistance (R2) is connected again, switch (K1) is connected with positive source; 5 pin are connected with the other end of capacitor (C3); 6 pin, 7 pin are connected with the other end of resistance (R1), the positive pole of capacitor (C1) simultaneously; 2 pin of integrated circuit (IC2) are connected with the base stage of triode (BG1); 3 pin, 4 pin are connected with positive source simultaneously; The collector of triode (BG1) is connected with 2 pin of earphone socket.

(2) light measuring circuit: 1 pin of integrated circuit (IC3) is connected and ground connection with the negative pole of capacitor (C4), an end of photometry resistance (RG) simultaneously; 2 pin are connected with an end, capacitor (C4) positive pole of resistance (R5) simultaneously; 3 pin are connected with diode (D1) negative pole, diode (D2) negative pole simultaneously; One end of 4 pin, 8 pin and resistance (R4), an end of resistance (R3) are connected with positive source by potentiometer (W), switch (K1) after being connected simultaneously again; 5 pin are connected with the positive pole of diode (D1); 6 pin are connected with the other end of resistance (R3), the other end of photometry resistance (RG) simultaneously; 7 pin are connected with the other end of resistance (R4), the other end of resistance (R5) simultaneously, and the anodal of diode (D2) is connected with 1 pin of integrated circuit (IC4), the emitter of triode (BG2) simultaneously, and 2 pin of integrated circuit (IC4) are connected with the base stage of triode; 3 pin, 4 pin are connected with positive source simultaneously, and the collector of triode (BG2) is connected with 2 pin of earphone socket.

(3) learning posture control circuit: 1 pin ground connection of integrated circuit (IC5); 2 pin are connected with an end of mercury cut-off (K2); 3 pin are connected with an end of resistance (R6); 4 pin are connected with the base stage of triode (BG3); 5 pin are connected with the other end of resistance (R6), and mercury cut-off (K2) is connected the grounded emitter of triode (BG3) by potentiometer (W), switch (K1) with positive source; Collector is connected with 2 pin of earphone socket.

3 pin of the common earphone socket that connects of above-mentioned three circuit are connected with an end of loudspeaker; 1 pin is connected the back and is connected with positive source more simultaneously with the other end of loudspeaker, earthing pole connects power cathode.

In the such scheme, owing to adopted and regularly reminded rest circuit, light measuring circuit, learning posture control circuit, this protection device can be to causing three aspects of myopia, promptly with oversize between at the moment, dim light, carry out voice suggestion simultaneously and give anti-apart from too near etc. with books; Designed potentiometer in the circuit, regulator potentiometer can be controlled volume; Be provided with earphone jack in this device,, reached the purpose of this utility model so on the classroom, use earphone can not produce the phase mutual interference.This protection device novel structure, attractive in appearance, can effectively give anti-myopia because of forming with oversize between at the moment, academic environment dim light, with factors such as the books distance are too near, can also give simultaneously the anti-spinal curvature that causes because of learning posture is incorrect, not produce the phase mutual interference during use.

Be described further in conjunction with the embodiments with reference to the accompanying drawings below.

Fig. 1 is a circuit diagram of the present utility model.

Fig. 2 is an outer casing construction drawing of the present utility model.

Fig. 3 is Headphone structure figure of the present utility model.

Embodiment: this device has a casing and an earphone, and the upper left side is by dress loudspeaker Y D in the casing, and loudspeaker Y D presses packed battery, the right-hand device, circuit board of pressing in the below.The casing front has bellmouth orifice 4, power light hole 1, reset switch hole 2, photoresistance to be subjected to unthreaded hole 3, and sidewall has earphone jack, mercury cut-off socket aperture, power supply and volume switch hole.Have on the circuit board and regularly remind rest circuit, light measuring circuit, learning posture control circuit.One mercury cut-off box 5 is arranged at the top of earphone, and by the dress mercury cut-off, the direction of arrow during by dress on the mercury cut-off is consistent with the direction of arrow on the mercury cut-off box 5 in the mercury cut-off box 5, and mercury cut-off is connected with mercury cut-off plug 6 by lead, wherein:

(1) regularly remind the rest circuit: 1 pin of integrated circuit (IC) 1 (NE555) is connected and ground connection with the end of electrolytic condenser negative pole C1, capacitor C2, the end of capacitor C3, the end of reset switch AN simultaneously; 2 pin are connected with the other end, the other end of reset switch AN, the resistance R 2 of capacitor C2 simultaneously; 3 pin are connected with the emitter of triode BG1,1 pin of integrated circuit (IC) 2 (VM2188 single chip MSS series) simultaneously; 4 pin, 8 pin pass through potentiometer W simultaneously with after the other end of an end of resistance R 1, resistance R 2 is connected again, K switch 1 is connected with positive source; 5 pin are connected with the other end of capacitor C3; 6 pin, 7 pin are connected with the other end of resistance R 1, the positive pole of electrolytic condenser C1 simultaneously; 2 pin of integrated circuit (IC) 2 (VM2188 single chip MSS series) are connected with the base stage of triode BG1; 3 pin, 4 pin are connected with positive source simultaneously; The collector of triode BG1 is connected with 2 pin of earphone socket P.

(2) light measuring circuit: 1 pin of integrated circuit (IC) 3 (NE555) is connected and ground connection with the negative pole of electrolytic condenser C4, the end of photometry resistance R G simultaneously; 2 pin are connected with an end, the electrolytic condenser C4 positive pole of resistance R 5 simultaneously; 3 pin are connected with diode D1 negative pole, diode D2 negative pole simultaneously; One end of 4 pin, 8 pin and resistance R 4, an end of resistance R 3 are connected with positive source by potentiometer W, K switch 1 after being connected simultaneously again; 5 pin are connected with the positive pole of diode D1; 6 pin are connected with the other end of resistance R 3, the other end of photometry resistance R G simultaneously; 7 pin are connected with the other end of resistance R 4, the other end of resistance R 5 simultaneously, the anodal of diode D2 is connected with 1 pin of integrated circuit (IC) 4 (VM2188 single chip MSS series), the emitter of triode BG2 simultaneously, and 2 pin of integrated circuit (IC) 4 (VM2188 single chip MSS series) are connected with the base stage of triode; 3 pin, 4 pin are connected with positive source simultaneously, and the collector of triode BG2 is connected with 2 pin of earphone socket P.

(3) learning posture control circuit: 1 pin ground connection of integrated circuit (IC) 5 (VM2188 speech chip MSS series); 2 pin are connected with the end of mercury cut-off K2; 3 pin are connected with an end of resistance R 6; 4 pin are connected with the base stage of triode BG3; 5 pin are connected with the other end of resistance R 6, and mercury cut-off K2 is connected the grounded emitter of triode BG3 by potentiometer W, K switch 1 with positive source; Collector is connected with 2 pin of earphone socket P.

3 pin of the common earphone socket P that connects of above-mentioned three circuit are connected with the end of loudspeaker Y D; 1 pin is connected the back and is connected with positive source more simultaneously with the other end of loudspeaker Y D, earthing pole connects power cathode.

Claims (2)

1, a kind of student learns to help protection device, comprise casing, switch, circuit, it is characterized in that: a casing and an earphone are arranged, press dress loudspeaker, battery, circuit board in the casing, the casing front has bellmouth orifice, power light hole, reset switch hole, photoresistance to be subjected to unthreaded hole, sidewall has earphone socket hole, mercury cut-off socket aperture, power supply volume one switch hole, has on the circuit board regularly to remind rest circuit, light measuring circuit, learning posture control circuit; One mercury cut-off is arranged at the top of earphone, wherein:

(1) regularly remind the rest circuit: 1 pin of integrated circuit (IC1) is connected and ground connection with an end of capacitor anode (C1), container (C2), an end of capacitor (C3), an end of reset switch (AN) simultaneously; 2 pin are connected with the other end, the other end of reset switch (AN), the resistance (R2) of capacitor (C2) simultaneously; 3 pin are connected with the emitter of triode (BG1), 1 pin of integrated circuit (IC2) simultaneously; 4 pin, 8 pin pass through potentiometer (W) simultaneously with after the other end of an end of resistance (R1), resistance (R2) is connected again, switch (K1) is connected with positive source; 5 pin are connected with the other end of capacitor (C3); 6 pin, 7 pin are connected with the other end of resistance (R1), the positive pole of capacitor (C1) simultaneously; 2 pin of integrated circuit (IC2) are connected with the base stage of triode (BG1); 3 pin, 4 pin are connected with positive source simultaneously; The collector of triode (BG1) is connected with 2 pin of earphone socket;

(2) light measuring circuit: 1 pin of integrated circuit (IC3) is connected and ground connection with the negative pole of capacitor (C4), an end of photometry resistance (RG) simultaneously; 2 pin are connected with an end, capacitor (C4) positive pole of resistance (R5) simultaneously; 3 pin are connected with diode (D1) negative pole, diode (D2) negative pole simultaneously; One end of 4 pin, 8 pin and resistance (R4), an end of resistance (R3) are connected with positive source by potentiometer (W), switch (K1) after being connected simultaneously again; 5 pin are connected with the positive pole of diode (D1); 6 pin are connected with the other end of resistance (R3), the other end of photometry resistance (RG) simultaneously; 7 pin are connected with the other end of resistance (R4), the other end of resistance (R5) simultaneously, and the anodal of diode (D2) is connected with 1 pin of integrated circuit (IC4), the emitter of triode (BG2) simultaneously, and 2 pin of integrated circuit (IC4) are connected with the base stage of triode; 3 pin, 4 pin are connected with positive source simultaneously, and the collector of triode (BG2) is connected with 2 pin of earphone socket;

(3) learning posture control circuit: 1 pin ground connection of integrated circuit (IC5); 2 pin are connected with an end of mercury cut-off (K2); 3 pin are connected with an end of resistance (R6); 4 pin are connected with the base stage of triode (BG3); 5 pin are connected with the other end of resistance (R6), and mercury cut-off (K2) is connected the grounded emitter of triode (BG3) by potentiometer (W), switch (K1) with positive source; Collector is connected with 2 pin of earphone socket;

3 pin of the common earphone socket that connects of above-mentioned three circuit are connected with an end of loudspeaker; 1 pin is connected the back and is connected with positive source more simultaneously with the other end of loudspeaker, earthing pole connects power cathode.

2, student according to claim 1 learns to help protection device, it is characterized in that: described earphone top mercury cut-off is installed in the mercury cut-off box, and the direction of arrow during by dress on the mercury cut-off is consistent with the direction of arrow on the mercury cut-off box.

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