CN2143065Y - Multifunctional health-care stationery box - Google Patents

Abstract

The utility model relates to a multifunctional health-care stationery box comprising a box body, a box cover, etc., which is characterized in that an infrared detector which can used for detecting whether the sitting posture and the distance of a human body are correct is arranged on the front side of the stationery case. The detector comprises at least one pair of probes composed of infrared transmitting tubes and receiving tubes which are installed according to a definite slope angle and a control circuit board capable of automatically sending out an alarm, and the control circuit board arranged in the box body comprises a transmitting circuit and a receiving circuit. With the advantages of novel structure and complete functions, the utility model can prompt people to correct reading-writing postures, prevent near sight and protect eyesight, which is suitable for popularization and use for middle school students, pupils and the mass.

Description

Multifunctional health-care stationery box

The utility model belongs to stationery class technology, especially a kind of multi-function health-care writing case that is equipped with special (infrared ray) probe and electronics automatic control circuit.

The writing case kind of usefulness is of all shapes and colors though existing numerous students and clerical workforce learn to handle official business; but only have simple writing case function basically, lack and to make the people rectify other health care functions such as read-write posture, pre-myopia prevention, rectification and vision protection.Though and the myopia prevention health product occurs or puts down in writing in the market, perfect inadequately on technology and function, result of use is poor, and for want of practicality is used not extensive.

The purpose of this utility model is a kind of multi-function health-care writing case of design, it is the pyroscan that charged sub-control circuit is set on the widely used writing case in people's study and work, reminding, to rectify people's read-write posture at any time, thereby form more advanced perfect common health care writing case product on a kind of technology and the function.

The purpose of this utility model is to adopt following design to realize: based on existing common writing case technology, this multi-function health-care writing case also includes parts such as box body and lid and forms, whether correct characteristics be to be provided with at place, the front of writing case to be used to survey human body sitting posture and distance Infrared Detectors, and this detector comprises a pair of or a pair of above probe and is contained in the electronic control circuit (plate) that is used to control the detector operate as normal in the box body 3 and forms; Wherein probe is made up of infrared emission tube D and infrared receiver tube D '; Wherein control circuit by two parts independently circuit form; Promptly by the radiating circuit that can launch infrared signal and can the receiving infrared-ray reflected signal and the signal that is received handled and the receiving circuit of reporting to the police is formed automatically.

Though this new type of health writing case profile is the same with common writing case, it be with the emission infrared light beam through reflection, receive, again through electronic circuit amplify, relatively, judge the whether correct health treatment of human posture.As people during at reading and writing, in case fault or when lack of standardization, the writing case horse only just can give a warning to the people, impels people to rectify posture (sit straight, head slightly forward, does not tilt both sides), and makes people's eyes and books maintenance optimum distance (about 30cm).Like this eyes, neck, back all be in relaxation state can be not tired, people's health maintains a good state, thus the bad habit that changes the people plays a role in health care.

Below in conjunction with drawings and Examples concrete structure of the present utility model and operation principle are elaborated.

Fig. 1 is that the probe of Infrared Detectors of the present utility model is arranged on the positional structure schematic diagram on the writing case,

Fig. 2 is the electrical schematic diagram of Infrared Detectors in the utility model,

Fig. 3 is the schematic diagram between the utility model writing case and the position of human body,

Fig. 4 is the vertical view of Fig. 3.

With reference to Fig. 1, Fig. 3 and Fig. 4, Arabic numerals wherein are expressed as follows the meaning: 1, transmitting tube probe socket, 2, the receiving tube probe socket, 3, box body, 4, books, 5, infrared beam, 6, human body head, 7, desktop.

With reference to Fig. 1, design and a kind ofly have that well to transmit and receive ultrared special probe be one of technical characterictic of the present utility model, it is actually and is designed to a pair of or infrared emission tube D more than two couples and receiving tube D ' are on the receiving tube probe socket 1 and transmitting tube probe socket 2 that required certain angle is installed in writing case respectively, when concrete the manufacturing, these probe sockets designs need only be processed into 4 one-tenth certain slanted angle α of writing case box body (number of degrees at α angle can carry out concrete setting according to different box body structures) and get final product.With reference to Fig. 3 and Fig. 4, during use, when being placed on this writing case on the desktop 7, requirement is adjusted to certain position with it, as the about 35～40cm of the seat of the distance person, books 4 when the people just sits on eyes and the desktop just are about optimum distance 30cm, at this moment the two the sensitiveest bundle infrared beams 5 that designed probe transmits and receives with certain angle just be positioned at just human body head 6 positions around and both sides, so just require the user will have correct posture (promptly to sit straight, head slightly forward, both sides can not tilt) be sitting in writing case probe before, if human body sitting posture does not meet above requirement, promptly lie prostrate low or too forward when head, head just drops in the sensitiveest infrared light beam district, both sides, if human body is sat directly or head inclination in both sides, at this moment human body head just drops in the wherein district in the sensitiveest infrared light beam district, both sides respectively, probe just can receive from people's the head or the optical signal of face's reflection like this, and through the electronic circuit amplification, relatively, it is incorrect to judge people's seated posture, thereby give a warning, impel people to rectify posture, like this, people's writing case when reading or writing is all supervised momentarily and is made the people keep good state, has played health-care effect.

Fig. 2 is the electrical schematic diagram that Infrared Detectors of the present utility model is effectively worked, and the various components and parts in this detector control circuit are located on the circuit board and directly are contained in the writing case box body 3.Radiating circuit in this control circuit partly is to utilize time-base integrated circuit NE555 and components and parts such as infrared transmitting tube D, power Vcc and resistance capacitance commonly used to form RF transmitter separately, it is actually a pulse oscillator, makes the infraluminescence pipe send infrared beam with the output pulse.It is that anodal discharge end (DIS) 7 pin by resistance R 1 and NE555 integrated package of power Vcc join that its circuit connects, Vcc passes through R1 again and R2 joins with threshold values end (TH) 6 pin and control end (TR) 2 pin, capacitor C 1 is joined with R2 and power Vcc negative pole respectively, output 3 pin join by current-limiting resistance R3 and two infrared transmitting tube D, and master reset end 4 pin and power Vcc positive pole join.The operation principle of this radiating circuit part is as follows, electric current on the power Vcc to 7 pin, passes through R2 to 6 pin and 2 pin by R1 again, and to capacitor C 1 charging, when voltage is charged to 2/3rds supply voltages, promptly reach threshold voltage, output 3 pin are high level output like this, through R3 to two infrared transmitting tube D of current-limiting resistance, because master reset end 4 pin are in reset mode, be exactly that capacitor C 1 charging and discharging is carrying out, therefore produce vibration, promptly send pulse current and make infrared transmitting tube D send the infrared light velocity.

With reference to Fig. 2, the receiving circuit in this control circuit partly includes the signal reception and opto-electronic conversion, signal amplify, signal filtering, and (allowing signal amplify again in case of necessity) signal voltage relatively reaches part compositions such as output alarm (buzzer).Components and parts in this receiving circuit are mainly formed altogether emission amplifier by infrared receiving tube D ', triode 10(), four computing integrated package LM324 and buzzer 15 and part resistance, capacitance component form (constituting an independent determining device).Wherein four computing integrated package LM324 include integrated circuit computing pipe 11(and play amplification), computing pipe 12(plays detection and amplification), computing pipe 13(plays amplification) and computing pipe 14(do the effect of signal voltage comparator) form.Its concrete circuit connects: infrared receiving tube D ' joins by the base stage b of capacitor C 2 with triode 10,2 pin (input) of the colelctor electrode C of triode 10 and four computing integrated package LM324 join, and 3,10,12 and 5 pin of LM324 are connected to divider resistance R3 and R4, R7 and R8, R5 and R6, R9 and R10 respectively.1 pin joins through resistance R 11, capacitor C 6 and 13 pin, and 14 pin join through R12 and 9 pin, and 8 pin join through resistance R 14 and 6 pin, and output 7 pin and buzzer 15 join.Join with 1 pin and 14 pin respectively after resistance R 11 and capacitor C 7 serial connections, form low pass filter, join with 11 pin (ground connection) and 13 pin respectively after R13 and the C6 serial connection, form high-pass filter.Its operation principle is as follows: infrared receiving tube D ' changes into the signal of telecommunication with the optical signal that receives, be coupled on the common emission amplifier triode 10 through capacitor C 2, triode 10 is coupled to 2 pin on the four computing integrated circuit LM324 with amplifying signal (magnificationfactor is about 100), and (LM324 is divided into four computing pipes 11 of circuit, 12,13,14), 1 pin is the amplification output of computing pipe 11, signal after the amplification amplifies through active pass filter computing pipe 12, with the amplification again that transmits that receives, other signal is suppressed, circuit can not be subjected to other effect of signals to become more stable circuit like this, its circuit feature: low pass filter and circuit of high pass filter are merged, and selected characteristic frequency.Resistance R 11, capacitor C 7 constitute low pass filter, resistance R 13 and capacitor C 6 then constitute high-pass filter, like this, through the signal (being the infrared signal of transmitter emission) that only amplifies CF after the filtering, signal after 12 filtering of computing pipe are amplified is joined through resistance R 12 and 9 pin by the output of 14 pin, amplified by computing pipe 13, computing pipe 14 is a voltage comparator again.Two resistance R 9 of joining with 5 pin and the branch pressure voltage on the R10 are reference voltage, and 7 pin are output, when its voltage surpasses reference voltage, will drive buzzer 15 and send chimes of doom.

By the above as can be known, the basic functional principle of the electrical schematic diagram of Fig. 2 can be generalized into simply: the voltage that is produced certain frequency by time-base integrated circuit, send the infrared ray signal by transmitting tube D, form emission infrared ray circuit, by receiving tube D ' received signal, conversion and amplification through triode 10 and computing pipe 11 composition photosignals, whether form determining device by examining the wave filter (computing pipe 12), amplifier (computing pipe 13), comparator (computing pipe 14) and the buzzer 15 that do not go out respective signal, it is correct to judge human body sitting posture with this.

Here it may be noted that and be, transmit and receive both integrated package of available different model of electronic devices and components in the circuit part in the foregoing circuit, also available discrete component replaces (circuit connects change slightly) mutually, integrated circuit or the discrete component that can use other models as time-base integrated circuit NE555 instead replace (as long as circuit of energy emission spectrum signal), the model of transmitting tube D and the available correspondence of receiving tube D ' replaces, triode 10 can replace with the triode of silicone tube or other models, and also available other integrated circuit such as digital integrated circuit exclusive disjunction pipe or the discrete component of four computing integrated circuit LM324 replaces.In addition, the circuit that transmits can be launched the signal of alternation with other, also available direct current signal is constant signal, like this, circuit can replace according to the different circuit that design correspondence of its signal properties, as long as can launch two bundles or the infrared signal more than two bundles with above-mentioned said (promptly in the head both sides of human body or on every side), can in this circuit, use; The receiving circuit part, also can be designed to and the corresponding circuit that can receive reflected signal that transmits, and the circuit the same with the utility model character replaces, therefore, as long as having the circuit that transmits and receive reflected signal to mix the special probe of the utility model again, can on this novel stationery case, use in this circuit.

In sum, writing case of the present utility model has novel structure, and function is sound, the characteristics that result of use is good, and being one is worth the health treatment particularly promoted the use of among the students in middle and primary schools the numerous groups masses.

Claims (8)

1, the multi-function health-care writing case, comprise box body 3 and lid composition, it is characterized in that being provided with and to be used to survey the whether correct Infrared Detectors of human body sitting posture and distance at place, the front of writing case, this detector comprises a pair or more of probe and is contained in the electronic control circuit composition that is used to control the detector operate as normal in the box body 3, wherein probe is made up of infrared emission tube D and infrared receiver tube D ', and wherein control circuit is by the radiating circuit part that can launch infrared signal and energy receiving infrared-ray reflected signal, and the signal that is received handled and the receiving circuit of reporting to the police is partly formed automatically.

2,, it is characterized in that described probe is to be designed to a pair or more of infrared emission tube D and receiving tube D are on the receiving tube probe socket 1 and transmitting tube probe socket 2 that required certain tilt angle alpha is installed in writing case respectively according to the writing case of claim 1 regulation.

3,, it is characterized in that radiating circuit in the described control circuit partly is to comprise that time-base integrated circuit NE555 and components and parts such as infrared transmitting tube D, power Vcc and part resistance capacitance form RF transmitter separately according to the writing case of claim 1 regulation.

4, the writing case of stipulating according to claim 1, it is characterized in that forming the RF transmitter of receiving circuit part, its circuit connects: the power Vcc positive pole joins by 7 pin of resistance R 1 with the NE555 integrated package, Vcc joins with 6 pin and 2 pin through R1 and R2 again, capacitor C 1 is joined with R2 and Vcc negative pole respectively, 3 pin join by current-limiting resistance R3 and two infrared transmitting tube D, and 4 pin and power Vcc positive pole join.

5, according to the writing case of claim 1 regulation, it is characterized in that the receiving circuit in the described control circuit comprises that partly signal reception and opto-electronic conversion, signal amplify, signal filtering, signal voltage relatively reaches part compositions such as output alarm (buzzer).

6, writing case according to claim 1 regulation, it is characterized in that described receiving circuit part, components and parts in this circuit are mainly by infrared receiving tube D ', triode 10 4 computing integrated package LM324 and buzzer 15 and part resistance capacitance components and parts are formed, wherein four computing integrated package LM324 include integrated circuit computing pipe 11, computing pipe 12, computing pipe 13 and computing pipe 14 are formed, its concrete circuit connects: infrared receiving tube D ' joins by the base stage b of capacitor C 2 with triode 10, input 2 pin of the colelctor electrode C of triode 10 and four computing integrated package LM324 join, 3 of LM324,10,12 and 5 pin are connected to divider resistance R3 and R4 respectively, R7 and R8, R5 and R6, R9 and R10,1 pin is through resistance R 11, capacitor C 6 and 13 pin join, 14 pin join through R12 and 9 pin, 8 pin join through resistance R 13 and 6 pin, output 7 pin and buzzer 15 join, join with 1 pin and 14 respectively after the resistance R 11 of formation low pass filter and capacitor C 7 serial connections, after forming the R13 and C6 serial connection of high-pass filter, join with 11 pin (ground connection) and 13 pin respectively.

7, according to claim 1 and 2 and 5 writing cases of stipulating, it is characterized in that originally transmitting and receiving the both integrated package of available different model of electronic devices and components in the circuit part, also available discrete component replaces mutually, comprise time-base integrated circuit NE555, transmitting tube D, receiving tube D ', integrated circuit or discrete component that triode 10, four computing integrated circuit LM324 can use other models instead replace.

8, according to the writing case of claim 1 regulation, it is characterized in that this radiating circuit can launch the signal of alternation with other, it is that the circuit of direct current signal replaces that circuit also can be launched constant signal with other; In the receiving circuit part, thereby also can be designed to replace with the corresponding circuit that can receive reflected signal that transmits.

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