CN211962618U - Portable medicine taking reminding system - Google Patents
Portable medicine taking reminding system Download PDFInfo
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- CN211962618U CN211962618U CN202020048475.9U CN202020048475U CN211962618U CN 211962618 U CN211962618 U CN 211962618U CN 202020048475 U CN202020048475 U CN 202020048475U CN 211962618 U CN211962618 U CN 211962618U
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Abstract
The utility model discloses a portable medicine taking reminding system, which comprises a medicine box and a voice recorder, wherein the medicine box is connected with the voice recorder through a recording line; the medicine box comprises a medicine box body and a medicine reminding component, and the medicine reminding component is arranged in the medicine box body; the voice recorder comprises a first main control circuit, a recording key and an indicator light, wherein the first main control circuit is respectively connected with the recording key and the indicator light, and the first main control circuit is connected with the medicine taking reminding assembly through a recording line. The utility model ensures that the patient can take medicine accurately on time by means of voice reminding; the medicine taking reminding information stored by the medicine taking reminding device is input in real time according to a prescription made by a doctor, and accurate voice information can be input according to the actual condition of a patient, so that the problem that the patient can not correctly understand the input information to cause wrong or missed medicine taking is solved.
Description
Technical Field
The utility model belongs to the technical field of intelligence reminding device that takes medicine, concretely relates to portable warning system that takes medicine.
Background
In actual work and actual clinical treatment administration, AIDS and AIDS-complicated tuberculosis patients often have missed or wrong administration due to multiple times of daily administration and various types of medicines, and are often seen in illiterate, children or elderly patients in remote areas. Face-to-face supervision consumes a large amount of manpower, and is not strong in operability and sustainability for patients taking medicine for a long time.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned not enough among the prior art, the utility model provides a portable warning system of taking medicine has solved the above-mentioned problem among the background art.
In order to achieve the above object, the utility model adopts the following technical scheme: the portable medicine taking reminding system comprises a medicine box and a voice recorder, wherein the medicine box is connected with the voice recorder through a recording line;
the medicine box comprises a medicine box body and a medicine reminding component, and the medicine reminding component is arranged in the medicine box body;
the voice recorder comprises a first main control circuit, a recording key and an indicator light, wherein the first main control circuit is respectively connected with the recording key and the indicator light, and the first main control circuit is connected with the medicine taking reminding component through a recording line.
Further, the medicine box body comprises a top cover, a medicine box and a base;
one end of the top cover is movably connected with one end of the upper surface of the medicine box, a buckle is arranged in the middle of the other end of the top cover, and a clamping groove matched with the buckle is arranged in the middle of the other end of the upper surface of the medicine box;
a plurality of detachable partition plates are arranged in the medicine chest, and each partition plate is provided with a serial number;
the base is fixedly arranged at the lower end of the medicine chest.
Furthermore, the medicine taking reminding assembly comprises a second main control circuit, a recording chip, a power supply, a key, a loudspeaker and a microphone;
the recording chip, the power supply and the keys are all connected with the second master control circuit;
the loudspeaker is connected with the recording chip through a signal amplification circuit, one end of the microphone is connected with the recording chip, and the other end of the microphone is connected with the first main control circuit;
the second main control circuit, the recording chip, the power supply and the microphone are all arranged in the base;
a sound recording hole is formed in the position, corresponding to the microphone, of the base;
the button and the loudspeaker are both embedded in the top cover.
Furthermore, the power supply is a detachable rechargeable battery, and a detachable movable cover plate is arranged on the base corresponding to the rechargeable battery.
Further, the second master control circuit comprises a chip U2 with the model number of AT89S 51;
a first crystal oscillator subcircuit is connected between the 18 th pin and the 19 th pin of the chip U2;
a 9 th pin of the chip U2 is respectively connected with one end of a grounding resistor R12 and one end of a capacitor C9, the other end of the capacitor C5 is connected with a 5V power supply, and a 31 th pin of the chip U2 is connected with the 5V power supply;
a key K is connected between the 15 th pin and the 16 th pin of the chip U2;
a 40 th pin of the chip U2 is respectively connected with a 5V power supply, one end of a resistor R12, one end of a resistor R13 and one end of a resistor R14, a 39 th pin of the chip U2 is connected with the other end of a resistor R12, a 38 th pin of the chip U2 is connected with the other end of the resistor R13, and a 37 th pin of the chip U2 is connected with the other end of a resistor R14;
the 39 th pin of the chip U2 is also connected with the 1 st pin of a recording chip U3 with the model number of ISD4004, the 38 th pin of the chip U2 is also connected with the 2 nd pin of a recording chip U3, and the 37 th pin of the chip U2 is also connected with the 28 th pin of a recording chip U3;
a 12 th pin, a 11 th pin and a 4 th pin of the recording chip U3 are all grounded, a 14 th pin of the recording chip U3 is connected with a positive electrode of a capacitor C14, a negative electrode of the capacitor C14 is grounded, a 27 th pin of the recording chip is connected with a 3V power supply, one end of a resistor R15 and an 18 th pin of the recording chip U3, the other end of a resistor R15 is connected with one end of a resistor R17 and a positive electrode of the capacitor C10, the other end of the resistor R17 is connected with one end of a microphone MK1, a negative electrode of the capacitor C10 is grounded, a 26 th pin and a 23 th pin of the recording chip U3 are both grounded, a 17 th pin of the recording chip U3 is connected with one end of the capacitor C11, the other end of the capacitor C11 is connected with a grounded resistor R16 and one end of the microphone MK1, and the other end of the microphone MK1 is connected with a signal control end of the first main control circuit;
the sound recording chip U3 is connected with the positive pole of a capacitor C12, and the negative pole of the capacitor C12 is connected with the input end of the signal amplifying circuit.
Further, the signal amplification circuit comprises an operational amplifier U4 with the model number LM 386M-1;
the 2 nd pin and the 4 th pin of the operational amplifier U4 are both grounded, the 3 rd pin of the operational amplifier U4 is connected with the control end of an adjustable resistor R19, one end of the adjustable resistor R19 is connected with the negative electrode of a capacitor C12, the other end of the adjustable resistor R19 is grounded, the 6 th pin of the operational amplifier U4 is connected with one end of a buzzer LS1 through a capacitor C13, the 5 th pin of the operational amplifier U4 is connected with a 5V power supply, the 1 st pin of the operational amplifier U4 is connected with one end of a resistor R18, the other end of the resistor R18 is connected with the 8 th pin of the operational amplifier U4 through a capacitor C14, and the other end of the loudspeaker LS1 is grounded.
Further, the first master control circuit comprises a master control chip U1 with the model number of AT89C51, a recording key K1 and an indicator light D1;
a second crystal oscillator circuit is connected between the 18 th pin and the 19 th pin of the main control chip U1; the 39 th pin of the main control chip U1 is connected with the 38 th pin of the main control chip U1 through a recording key K1; a 21 st pin of the main control chip U1 is connected with a cathode of an indicator lamp D1, an anode of the indicator lamp D1 is connected with one end of a resistor R3, and the other end of the resistor R3 is connected with a 5V power supply;
and a 10 th pin of the main control chip U1 is used as a signal control end of the first main control circuit and is connected with the other end of the microphone MK 1.
Further, the voice recorder further comprises a filter circuit, and a signal control end of the first main control circuit is connected with the other end of the microphone MK1 through the filter circuit;
the filter circuit comprises an operational amplifier A1 and an operational amplifier A2:
the inverting input end of the operational amplifier A1 is respectively connected with one end of a grounding resistor R1 and one end of a resistor R2, the other end of the resistor R2 is connected with the output end of the operational amplifier A1, the non-inverting input end of the operational amplifier A1 is respectively connected with one end of a grounding resistor R6 and one end of a capacitor C4, the other end of the capacitor C4 is connected with one end of a resistor R5 and one end of a capacitor C1, and the other end of the resistor R5 is connected with the output end of the operational amplifier A1;
the output end of the operational amplifier A1 is connected with one end of a resistor R7, the other end of the resistor R7 is respectively connected with one end of a capacitor C2 and one end of a resistor R8, the other end of the resistor R8 is respectively connected with a grounded capacitor C3 and the non-inverting input end of an operational amplifier A2, the other end of the capacitor C2 is connected with the output end of an operational amplifier A2, the inverting input end of the operational amplifier A2 is respectively connected with one end of a grounded resistor R3 and one end of a resistor R4, and the other end of the resistor R4 is connected with the output end of the operational amplifier A2; the other end of the capacitor C1 is connected to the signal control end of the first master control circuit as the input end of the filter circuit, and the output end of the operational amplifier U2 is connected to the other end of the microphone MK1 as the output end of the filter circuit.
The utility model has the advantages that:
(1) the medicine taking reminding device is arranged on the medicine box, so that the patient can take medicine accurately on time in a voice reminding mode;
(2) the medicine taking reminding information stored by the medicine taking reminding device is input in real time according to a prescription prescribed by a doctor, and accurate voice information can be input according to the actual condition of a patient, so that the problem that the patient can not correctly understand the input information to cause wrong or missed medicine taking is avoided, and the medicine taking reminding device is compatible with a voice device of a hospital pharmacy and a computer of a hospital doctor system, so that the medicine taking information accurately and independently reaches each patient to meet different medicine taking requirements and can be accurately expressed to the patient;
(3) through the cooperation of each functional module of intelligent medicine taking system, the patient is pertinently reminded to take medicine, has greatly improved and has implemented the treatment effect of medical institution to the patient to can expand to apply to the treatment of other diseases and use medicine and remind and change local people's difficult and inaccurate current situation of taking medicine.
Drawings
Fig. 1 is a functional structure block diagram of the portable medicine taking reminding system provided by the utility model.
Fig. 2 is a structural diagram of the portable medicine taking reminding system provided by the utility model.
Fig. 3 is a schematic diagram of a second main control circuit in the portable medicine taking reminding system provided by the utility model.
Fig. 4 is a schematic diagram of a medicine-taking reminder circuit in the portable medicine-taking reminder system provided by the utility model.
Fig. 5 is a schematic diagram of a filter circuit in the portable medicine taking reminding system provided by the present invention.
Wherein: 1. a voice recorder; 2. a recording line; 3. a base; 4. a medicine chest; 5. a partition plate; 6. a top cover; 7. pressing a key; 8. buckling; 9. a loudspeaker.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and various changes may be made apparent to those skilled in the art within the spirit and scope of the present invention as defined and defined by the appended claims.
As shown in fig. 1, a portable medicine taking reminding system comprises a medicine box and a voice recorder 1, wherein the medicine box is connected with the voice recorder 1 through a recording line 2;
the medicine box comprises a medicine box body and a medicine reminding component, the medicine reminding component is arranged in the medicine box body, the medicine box is used for containing medicine prescribed by a doctor, and the medicine reminding component reminds a patient to take medicine according to recorded voice information;
the voice recorder 1 comprises a first main control circuit, a recording key and an indicator light, wherein the first main control circuit is respectively connected with the recording key and the indicator light, and is connected with the medicine taking reminding component through a recording line 2; the first main control circuit is used for realizing the connection between the first main control circuit and the medicine taking reminding device according to signals given by the recording key when a doctor inputs the medicine taking reminding information, and the indicator lamp is used for giving out signals whether to start recording according to the signals given by the recording key;
the cartridge case in fig. 1 includes a top cover 6, medicine boxes 4, and a base 3; one end of the top cover 6 is movably connected with one end of the upper surface of the medicine box 4, a buckle 8 is arranged in the middle of the other end of the top cover 6, and a clamping groove matched with the buckle 8 is arranged in the middle of the other end of the upper surface of the medicine box 4; a plurality of detachable partition plates 5 are arranged inside the medicine chest 4, and each partition plate 5 is provided with a serial number; the base 3 is fixedly provided with the lower end of a medicine box 4.
Wherein, top cap 6 uses with the cooperation of buckle 8 and draw-in groove for seal medical kit 4, avoid the medicine to scatter out, base 4 is used for the encapsulation to take medicine and reminds the subassembly, prevents electron device's damage, and detachable division board 5 is cut apart into the container of a plurality of different quantity and capacity with medical kit 4, is convenient for carry out the partial shipment according to the kind of quantity with the medicine that the doctor opened in medical kit 4.
As shown in fig. 2, the medicine taking reminding assembly packaged in the base 3 comprises a second main control circuit, a recording chip, a power supply, a key 7, a speaker 9 and a microphone; the recording chip, the power supply and the keys 7 are all connected with the second master control circuit; the loudspeaker 9 is connected with the recording chip through a signal amplifying circuit, one end of the microphone is connected with the recording chip, and the other end of the microphone is connected with the first main control circuit; the second main control circuit, the recording chip, the power supply and the microphone are all arranged inside the base 3; a sound recording hole is arranged on the base 3 corresponding to the microphone; the key 7 and the loudspeaker 9 are both embedded in the top cover 6; the power supply is a detachable rechargeable battery, and a detachable movable cover plate is arranged on the base 3 corresponding to the rechargeable battery.
Wherein, the second master control circuit is arranged in coordinating the function realization of each functional unit in the whole warning subassembly of taking medicine, and the recording chip is used for saving the warning information of taking medicine that the doctor types in, and speaker 9 is used for playing the information of taking medicine that the doctor types in, and button 7 is used for starting or pause the information of playing types in, sets up the detachable power simultaneously, and the use of the reinforcing medicine box of being convenient for is long.
As shown in fig. 3, the second master control circuit includes a chip U2 of model AT89S 51; the 19 th pin and the 19 th pin of the chip U2 are connected with a first crystal oscillator sub circuit; a 9 th pin of the chip U2 is respectively connected with one end of a grounding resistor R12 and one end of a capacitor C9, the other end of the capacitor C5 is connected with a 5V power supply, and a 31 th pin of the chip U2 is connected with the 5V power supply; the 15 th pin and the 16 th pin of the chip U2 are connected with the key K; a 40 th pin of the chip U2 is respectively connected with a 5V power supply, one end of a resistor R12, one end of a resistor R13 and one end of a resistor R14, a 39 th pin of the chip U2 is connected with the other end of a resistor R12, a 38 th pin of the chip U2 is connected with the other end of the resistor R13, and a 37 th pin of the chip U2 is connected with the other end of the resistor R14; the 39 th pin of the chip U2 is also connected with the 1 st pin of an ISD4004 sound recording chip U3, the 38 th pin of the chip U2 is also connected with the 2 nd pin of the sound recording chip U3, and the 37 th pin of the chip U2 is also connected with the 28 th pin of the sound recording chip U3; a 12 th pin, a 13 th pin and a 4 th pin of the recording chip U3 are all grounded, a 14 th pin of the recording chip U3 is connected with the anode of a capacitor C14, the cathode of the capacitor C14 is grounded, a 27 th pin of the recording chip is respectively connected with a 3V power supply, one end of a resistor R15 and an 18 th pin of the recording chip U3, the other end of a resistor R15 is respectively connected with one end of a resistor R17 and the anode of a capacitor C10, the other end of a resistor R17 is connected with one end of a microphone MK1, the cathode of the capacitor C10 is grounded, the 26 th pin of the recording chip U3 is all grounded, a 17 th pin of the recording chip U3 is connected with one end of a capacitor C11, the other end of the capacitor C11 is respectively connected with one end of a grounded resistor R16 and one end of the microphone MK1, and the other end of the microphone MK1 is connected with a signal; the sound recording chip U3 is connected with the positive pole of the capacitor C12, and the negative pole of the capacitor C12 is connected with the input end of the signal amplifying circuit. All the functional circuits in fig. 3 work cooperatively to remind the patient to take medicine in time.
The signal amplification circuit in FIG. 3 includes an operational amplifier U4 of type LM 386M-1; the 2 nd pin and the 4 th pin of the operational amplifier U4 are both grounded, the 3 rd pin of the operational amplifier U4 is connected with the control end of an adjustable resistor R19, one end of the adjustable resistor R19 is connected with the negative electrode of a capacitor C12, the other end of the adjustable resistor R19 is grounded, the 6 th pin of the operational amplifier U4 is connected with one end of a buzzer LS1 through a capacitor C13, the 5 th pin of the operational amplifier U4 is connected with a 5V power supply, the 1 st pin of the operational amplifier U4 is connected with one end of a resistor R18, the other end of the resistor R18 is connected with the 8 th pin of the operational amplifier U4 through a capacitor C14, and the other end of the loudspeaker LS1 is grounded. The signal amplifying circuit is used for amplifying the voice signals stored in the recording chip and then outputting the voice signals through a loudspeaker.
As shown in fig. 4, the first master control circuit includes a master control chip U1 with model AT89C51, a recording button K1 and an indicator light D1; the 18 th pin and the 19 th pin of the main control chip U1 are connected with the second crystal oscillator circuit; the 39 th pin of the main control chip U1 is connected with the 38 th pin of the main control chip U1 through a recording key K1; a 21 st pin of the main control chip U1 is connected with a cathode of an indicator lamp D1, an anode of the indicator lamp D1 is connected with one end of a resistor R3, and the other end of the resistor R3 is connected with a 5V power supply; the 10 th pin of the main control chip U1 is connected to the other end of the microphone MK1 as the signal control terminal of the first main control circuit. The recording key is used for giving a recording starting signal, only when the key is pressed down, the first main control circuit is communicated with the microphone, information can be recorded, and whether recording can be started can be displayed through the indicating lamp so as to remind a nurse whether the information can be recorded.
As shown in fig. 5, the voice recorder further includes a filter circuit, and a signal control end of the first main control circuit is connected to the other end of the microphone MK1 through the filter circuit; the filter circuit comprises an operational amplifier A1 and an operational amplifier A2: the inverting input end of the operational amplifier A1 is respectively connected with one end of a grounding resistor R1 and one end of a resistor R2, the other end of the resistor R2 is connected with the output end of the operational amplifier A1, the non-inverting input end of the operational amplifier A1 is respectively connected with one end of a grounding resistor R6 and one end of a capacitor C4, the other end of the capacitor C4 is connected with one end of a resistor R5 and one end of a capacitor C1, and the other end of the resistor R5 is connected with the output end of the operational amplifier A1; the output end of an operational amplifier A1 is connected with one end of a resistor R7, the other end of a resistor R7 is respectively connected with one end of a capacitor C2 and one end of a resistor R8, the other end of a resistor R8 is respectively connected with a grounded capacitor C3 and the non-inverting input end of an operational amplifier A2, the other end of the capacitor C2 is connected with the output end of an operational amplifier A2, the inverting input end of the operational amplifier A2 is respectively connected with one end of a grounded resistor R3 and one end of a resistor R4, and the other end of a resistor R4 is connected with the output end of the operational amplifier A2; the other end of the capacitor C1 is connected to the signal control end of the first master control circuit as the input end of the filter circuit, and the output end of the operational amplifier U2 is connected to the other end of the microphone MK1 as the output end of the filter circuit. The utility model discloses the filter circuit of well design is used for removing noise to the analog voice signal of typeeing, gets rid of some unnecessary noises, ensures that accurate broadcast that the speaker can be clear is taken medicine and is reminded information.
In an embodiment of the present invention, a portable medicine taking reminding system is provided in the present invention: the doctor is according to the patient condition prescription of offering, the patient goes the drugstore according to the prescription order of offering and takes the medicine, the nurse of drugstore takes the medicine and puts into the medicine box according to the kind and the quantity of medicine after it, on the recording interface on the base is connected to the recording line, press down the recording button after, the pilot lamp lights, the nurse begins to type the warning information of taking medicine in the warning device of taking medicine this moment, the information of type includes the time of taking medicine, kind of taking medicine and medicine quantity, the nurse is when putting into the medicine box with the medicine, can take notes the serial number on the partioning board when every kind of medicine is put into the container, so that the information of medicine place department when accurate type is taken, more can be accurate warning patient information of taking medicine. Wherein, when taking medicine reminding information, the nurse can confirm the language that adopts when taking information according to patient's actual conditions to ensure that the homoenergetic such as minority patient, illiterate patient can understand the warning information of taking medicine of taking input.
In the description of the present invention, it is to be understood that the terms "center", "thickness", "upper", "lower", "horizontal", "top", "bottom", "inner", "outer", "radial", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the equipment or components referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or an implicit indication of the number of technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.
The utility model has the advantages that:
(1) the medicine taking reminding device is arranged on the medicine box, so that the patient can take medicine accurately on time in a voice reminding mode;
(2) the medicine taking reminding information stored by the medicine taking reminding device is input in real time according to a prescription prescribed by a doctor, and accurate voice information can be input according to the actual condition of a patient, so that the problem that the patient can not correctly understand the input information to cause wrong or missed medicine taking is avoided, and the medicine taking reminding device is compatible with a voice device of a hospital pharmacy and a computer of a hospital doctor system, so that the medicine taking information accurately and independently reaches each patient to meet different medicine taking requirements and can be accurately expressed to the patient;
(3) through the cooperation of each functional module of intelligent medicine taking system, the patient is pertinently reminded to take medicine, has greatly improved and has implemented the treatment effect of medical institution to the patient to can expand to apply to the treatment of other diseases and use medicine and remind and change local people's difficult and inaccurate current situation of taking medicine.
Claims (8)
1. A portable medicine taking reminding system is characterized by comprising a medicine box and a voice recorder (1), wherein the medicine box is connected with the voice recorder (1) through a recording line (2);
the medicine box comprises a medicine box body and a medicine reminding component, and the medicine reminding component is arranged in the medicine box body;
the voice recorder (1) comprises a first main control circuit, a recording key and an indicator light, wherein the first main control circuit is respectively connected with the recording key and the indicator light, and the first main control circuit is connected with the medicine taking reminding component through a recording line (2).
2. The portable medicine taking reminding system as claimed in claim 1, wherein the medicine box case comprises a top cover (6), a medicine box (4) and a base (3);
one end of the top cover (6) is movably connected with one end of the upper surface of the medicine box (4), a buckle (8) is arranged in the middle of the other end of the top cover (6), and a clamping groove matched with the buckle (8) is arranged in the middle of the other end of the upper surface of the medicine box (4);
a plurality of detachable partition plates (5) are arranged in the medicine chest (4), and each partition plate (5) is provided with a serial number;
the base (3) is fixedly arranged at the lower end of the medicine chest (4).
3. The portable medicine taking reminding system as claimed in claim 2, wherein the medicine taking reminding assembly comprises a second main control circuit, a recording chip, a power supply, a key (7), a loudspeaker (9) and a microphone;
the recording chip, the power supply and the key (7) are all connected with the second master control circuit;
the loudspeaker (9) is connected with the recording chip through a signal amplification circuit, one end of the microphone is connected with the recording chip, and the other end of the microphone is connected with the first main control circuit;
the second main control circuit, the recording chip, the power supply and the microphone are all arranged in the base (3);
a sound recording hole is formed in the position, corresponding to the microphone, of the base (3);
the key (7) and the loudspeaker (9) are both embedded in the top cover (6).
4. The portable medicine taking reminding system according to claim 3, wherein the power source is a detachable rechargeable battery, and a detachable removable cover plate is arranged on the base (3) corresponding to the rechargeable battery.
5. The portable medicine taking reminding system as claimed in claim 3, wherein the second master control circuit comprises a chip U2 with model number AT89S 51;
a first crystal oscillator subcircuit is connected between the 18 th pin and the 19 th pin of the chip U2;
a 9 th pin of the chip U2 is respectively connected with one end of a grounding resistor R12 and one end of a capacitor C9, the other end of the capacitor C5 is connected with a 5V power supply, and a 31 th pin of the chip U2 is connected with the 5V power supply;
a key K is connected between the 15 th pin and the 16 th pin of the chip U2;
a 40 th pin of the chip U2 is respectively connected with a 5V power supply, one end of a resistor R12, one end of a resistor R13 and one end of a resistor R14, a 39 th pin of the chip U2 is connected with the other end of a resistor R12, a 38 th pin of the chip U2 is connected with the other end of the resistor R13, and a 37 th pin of the chip U2 is connected with the other end of a resistor R14;
the 39 th pin of the chip U2 is also connected with the 1 st pin of a recording chip U3 with the model number of ISD4004, the 38 th pin of the chip U2 is also connected with the 2 nd pin of a recording chip U3, and the 37 th pin of the chip U2 is also connected with the 28 th pin of a recording chip U3;
a 12 th pin, a 11 th pin and a 4 th pin of the recording chip U3 are all grounded, a 14 th pin of the recording chip U3 is connected with a positive electrode of a capacitor C14, a negative electrode of the capacitor C14 is grounded, a 27 th pin of the recording chip is connected with a 3V power supply, one end of a resistor R15 and an 18 th pin of the recording chip U3, the other end of a resistor R15 is connected with one end of a resistor R17 and a positive electrode of the capacitor C10, the other end of the resistor R17 is connected with one end of a microphone MK1, a negative electrode of the capacitor C10 is grounded, a 26 th pin and a 23 th pin of the recording chip U3 are both grounded, a 17 th pin of the recording chip U3 is connected with one end of the capacitor C11, the other end of the capacitor C11 is connected with a grounded resistor R16 and one end of the microphone MK1, and the other end of the microphone MK1 is connected with a signal control end of the first main control circuit;
the sound recording chip U3 is connected with the positive pole of a capacitor C12, and the negative pole of the capacitor C12 is connected with the input end of the signal amplifying circuit.
6. The portable medicine taking reminding system as claimed in claim 5, wherein the signal amplifying circuit comprises an operational amplifier U4 with model number LM 386M-1;
the 2 nd pin and the 4 th pin of the operational amplifier U4 are both grounded, the 3 rd pin of the operational amplifier U4 is connected with the control end of an adjustable resistor R19, one end of the adjustable resistor R19 is connected with the negative electrode of a capacitor C12, the other end of the adjustable resistor R19 is grounded, the 6 th pin of the operational amplifier U4 is connected with one end of a buzzer LS1 through a capacitor C13, the 5 th pin of the operational amplifier U4 is connected with a 5V power supply, the 1 st pin of the operational amplifier U4 is connected with one end of a resistor R18, the other end of the resistor R18 is connected with the 8 th pin of the operational amplifier U4 through a capacitor C14, and the other end of the loudspeaker LS1 is grounded.
7. The portable medicine taking reminding system as claimed in claim 5, wherein the first master control circuit comprises a master control chip U1 with model number AT89C51, a recording key K1 and an indicator light D1;
a second crystal oscillator circuit is connected between the 18 th pin and the 19 th pin of the main control chip U1; the 39 th pin of the main control chip U1 is connected with the 38 th pin of the main control chip U1 through a recording key K1; a 21 st pin of the main control chip U1 is connected with a cathode of an indicator lamp D1, an anode of the indicator lamp D1 is connected with one end of a resistor R3, and the other end of the resistor R3 is connected with a 5V power supply;
and a 10 th pin of the main control chip U1 is used as a signal control end of the first main control circuit and is connected with the other end of the microphone MK 1.
8. The portable medicine taking reminding system of claim 7, wherein the voice recorder further comprises a filter circuit, and the signal control end of the first main control circuit is connected with the other end of the microphone MK1 through the filter circuit;
the filter circuit comprises an operational amplifier A1 and an operational amplifier A2:
the inverting input end of the operational amplifier A1 is respectively connected with one end of a grounding resistor R1 and one end of a resistor R2, the other end of the resistor R2 is connected with the output end of the operational amplifier A1, the non-inverting input end of the operational amplifier A1 is respectively connected with one end of a grounding resistor R6 and one end of a capacitor C4, the other end of the capacitor C4 is connected with one end of a resistor R5 and one end of a capacitor C1, and the other end of the resistor R5 is connected with the output end of the operational amplifier A1;
the output end of the operational amplifier A1 is connected with one end of a resistor R7, the other end of the resistor R7 is respectively connected with one end of a capacitor C2 and one end of a resistor R8, the other end of the resistor R8 is respectively connected with a grounded capacitor C3 and the non-inverting input end of an operational amplifier A2, the other end of the capacitor C2 is connected with the output end of an operational amplifier A2, the inverting input end of the operational amplifier A2 is respectively connected with one end of a grounded resistor R3 and one end of a resistor R4, and the other end of the resistor R4 is connected with the output end of the operational amplifier A2; the other end of the capacitor C1 is connected to the signal control end of the first master control circuit as the input end of the filter circuit, and the output end of the operational amplifier U2 is connected to the other end of the microphone MK1 as the output end of the filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020048475.9U CN211962618U (en) | 2020-01-10 | 2020-01-10 | Portable medicine taking reminding system |
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| CN202020048475.9U CN211962618U (en) | 2020-01-10 | 2020-01-10 | Portable medicine taking reminding system |
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| CN211962618U true CN211962618U (en) | 2020-11-20 |
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| CN202020048475.9U Expired - Fee Related CN211962618U (en) | 2020-01-10 | 2020-01-10 | Portable medicine taking reminding system |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20220110 |