CN215007139U - Circuit module for human body induction automatic control demonstrator - Google Patents

Abstract

The utility model relates to a circuit module for human response automatic control demonstration ware, including sensor B, amplifier Q, switch HL, integrated package IC, speaker Y, small lamp RL, resistor R, condenser C, diode D, power VCC, VSS, supply socket XS, its characterized in that: amplifier Q includes Q1, Q2, the integrated package includes IC1, IC2, resistor R includes R1 to R5, condenser C includes C1, C2, sensor B's output connects gradually Q1, HL, IC1, R4, IC2, Y, switch HL still connects gradually R2, Q2, RL, VSS, the work effect that this patent can direct demonstration human response automatic control, can also set up the module in the box body, human probe, regulator, etc. components and parts design on the panel, constitute the demonstrator, its installation is nimble, demonstrate directly perceived, teaching effect is good, there is certain use and spreading value.

Description

Circuit module for human body induction automatic control demonstrator

Technical Field

The utility model relates to an automatic control circuit module is used to the sensor, concretely relates to circuit module that is used for human response automatic control demonstration ware.

Background

The sensor is a detection device, can sense the measured information, can convert the sensed information into an electric signal or other information output in a required form according to a certain rule, is the first link for realizing automatic detection and automatic control, has an important role in developing economy and promoting social progress, and is very obvious. However, in the teaching contents of the middle school physics and general technical classes, students feel strange about learning of the students because of the lack of demonstration instruments for teaching, difficult teaching of teachers and difficult learning of students; therefore, the invention provides a circuit module for a human body induction automatic control demonstrator, which is convenient for manufacturing various human body induction automatic control demonstrator teaching aids for teaching use, so as to stimulate the enthusiasm of students in learning physics and other natural sciences, cultivate the observation ability of the students and deepen the understanding of the learned knowledge.

Disclosure of Invention

The utility model relates to a circuit module for human response automatic control demonstration ware, utilize human inductive probe sensor to detect information, pass through the amplifier, the switch, music and power amplifier integrated package, resistance capacitor constitutes working circuit and controls the speaker sound and the incandescent bulb is lighted respectively, human inductive probe sensor automatic control's of demonstration that can be direct work effect, can also cooperate box body panel design, human probe, the regulator, the speaker, the small bulb, components and parts designs such as power indicator are on the panel, constitute multiple sensor application automatic control teaching demonstration ware, the installation is nimble, the demonstration is directly watched clearly, experiment convenient operation, the teaching demonstration is effectual, there are certain use and spreading value.

The utility model provides a circuit module for human response automatic control demonstrates ware, includes sensor B, amplifier Q, switch HL, integrated package IC, speaker Y, little bulb RL, resistor R, condenser C, diode D, power VCC, VSS, supply socket XS which characterized in that: the amplifier Q comprises Q1 and Q2, the integrated block comprises IC1 and IC2, the resistor R comprises R1, R2, R3, R4 and R5, the capacitor C comprises C1 and C2, the positive end and the negative end of the sensor B are respectively connected with power VCC and VSS, the output end of the sensor B is sequentially connected with Q1, HL, IC1, R4, IC2 and Y, the switch HL is also sequentially connected with R2, Q2, RL and VSS, the positive end of the diode D is connected with the power VCC, the negative end is connected with VSS through R5, the positive end of the capacitor C1 is connected with the output end of the B, the negative end of the capacitor C2 is connected between the power VCC and VSS in parallel, the resistor R3 is connected with the positive ends of the power VCC and IC1 in series, the power VCC is connected with the inner core of the socket, and VSS is connected with the excircle reed of the socket.

Preferably, the sensor B is a HC-SR505 small human body induction module, the amplifier Q1 is an NPN type triode, the Q2 is a PNP type triode, and the diode D is an LED light-emitting diode.

Preferably, the circuit module for the human body induction automatic control demonstrator is characterized in that the IC1 is a music integrated block, the IC2 is a power amplifier integrated block, the loudspeaker Y is YD 130-1A, and the switch HL is a torque 202 six-pin two-gear switch.

Preferably, the resistors R1, R2, R3 and R5 are 1/8W carbon film resistors respectively, R4 is a potentiometer, and the capacitors C1 and C2 are electrolytic capacitors respectively.

Preferably, the power socket XS is a DC power socket DC-044A, the small bulb RL is a 6V300mA small bulb, and the power supplies VCC and VSS are regulated power supplies of 6V500 mA.

The utility model discloses utilize human inductive probe sensor to detect information, through the amplifier, the switch, music and power amplifier integrated package, the working circuit is constituteed to resistance capacitor, control speaker sounding and incandescent bulb respectively and light, human response automatic control's of demonstration that can be audio-visual work effect, can also cooperate box body panel design, human probe, the regulator, the speaker, the small bulb, components and parts designs such as power indicator are on the panel, constitute multiple sensor application automatic control teaching demonstration ware, the demonstration is direct-viewing, experiment convenient operation, teaching demonstration is effectual, there are certain use and spreading value.

Drawings

Fig. 1 is a circuit diagram of the circuit module of the utility model for a human body induction automatic control demonstrator.

Detailed Description

Fig. 1 shows, the utility model discloses a circuit module for human response automatic control demonstration ware, including sensor B, amplifier Q, switch HL, integrated package IC, speaker Y, small lamp RL, resistor R, condenser C, diode D, power VCC, VSS, supply socket XS, its characterized in that: the amplifier Q comprises Q1 and Q2, the integrated block comprises IC1 and IC2, the resistor R comprises R1, R2, R3, R4 and R5, the capacitor C comprises C1 and C2, the positive end and the negative end of the sensor B are respectively connected with VCC and VSS of a power supply, the output end of the sensor B is sequentially connected with Q1, HL, IC1, R4, IC2 and Y, the switch HL is also sequentially connected with R2, Q2, RL and VSS, the positive end of the diode D is connected with the power supply VCC, the negative end is connected with VSS through R5, the positive electrode of the capacitor C1 is connected with the output end of the amplifier B, the negative electrode of the capacitor C2 is connected between the power supply VCC and VSS in parallel, the resistor R3 is connected with the positive ends of the power supply VCC and the IC1 in series, the power supply VCC is connected with the inner core of the socket, and VSS is connected with the outer circle reed of the socket.

The circuit module for the human body induction automatic control demonstrator can directly demonstrate teaching, can also be matched with the design of a box body panel, selects and flexibly designs components such as a human body probe, a regulator, a switch, a loudspeaker, a small bulb, a power indicator and the like on the panel, and the rest component modules are arranged in the box body and are correspondingly connected by leads to form the automatic control teaching demonstrator which is a sensor application with various forms.

The circuit module for the human body induction automatic control demonstrator is selected, the sensor B is selected from an HC-SR505 small human body induction module, the amplifier Q1 is an NPN type triode (C9013), the Q2 is selected from a PNP type triode (A683), the diode D is selected from an LED light emitting diode, the IC1 is selected from a BH B (12) first music integrated block, the IC2 is selected from a TDA2822 power amplifier integrated block, the loudspeaker Y is selected from YD 130-1A, the switch HL is selected from a knob 202 six-pin two-gear switch, the resistors R1, R2, R3 and R5 are respectively selected from 1/8W carbon film resistors with resistance values of 2.2K Ω, 1.8K Ω, 300 Ω and 3.6K Ω, the R4 is selected from a potentiometer with resistance value of 4.7K Ω, the capacitors C1 and C2 are respectively selected from 4.7 μ F/16V and 470 μ F/16V electrolytic capacitors, the power supply socket is selected from a DC-044 DC lamp XL, and a small bulb of 300V, the power supplies VCC and VSS adopt 6V500mA regulated power supplies.

When a power socket XS is inserted into a 6V500mA voltage-stabilized power supply, VCC is 6V, VSS is 0V, a diode D obtains working voltage (1.7V) through a resistor R5 (current-limiting resistor) and is lightened, the diode D is called a power indicator and also indicates that the working circuit is connected with the working power supply, at the moment, an HC-SR505 small-sized human body induction module selected by a sensor B obtains the working power supply (6V), if no human body moves (moves) in an induction range B (set to be 3m), B outputs low level and is connected with a base electrode of Q1 through R1, because the Q1 selects an NPN (C9013) and the base electrode voltage is 0V, Q1 is in a cut-off state, the IC1 and the Q2 which are respectively connected through a switch HL cannot obtain the working voltage, the demonstration device does not work, when the human body enters the induction range B, b outputs high level, the base of Q1 is connected through R1 (a current-limiting and voltage-reducing resistor), so that the base of Q1 obtains the working voltage of ≧ 0.7V, Q1 is in a saturated state, Q1 is actually an electronic switch, and a collector and an emitter of the electronic switch are conducted; at this time, the switch HL adopts a knob 202 six-pin two-gear switch, and can be respectively connected with IC1 and Q2 by toggling (selecting), when the toggle is connected with IC1, the negative electrode of the working power supply is connected to IC1 (the emitter of Q1 is connected to VSS, the collector is connected to the negative electrode of IC1 through HL), the positive power source of IC1 is originally connected to the positive electrode of the working power supply, IC1 (the BH36B (12) first music integrated block is selected) to work, music sound is output, the input end of IC2 (TDA 28 2822M power amplification integrated block) is connected through R4 (4.7K Ω potentiometer is selected), the music sound is amplified by IC1, so that the speaker Y connected with the output end of IC2 makes a sound, the resistance of R4 is adjusted, the volume output from IC1 to the input end of IC2 can be adjusted, and the volume of the speaker Y is controlled; when the switch HL is dialed to be connected with the Q2 through a resistor R2 (a current-limiting and voltage-reducing resistor), the collector and the emitter of the Q1 are conducted to provide working voltage for the base of the Q2, the PNP triode (A683) selected by the Q2 is adopted, the voltage of the base is less than or equal to 5.2V at the moment, the collector voltage is 0.5V which is far less than the base voltage (the PNP triode is conducted), the Q2 is in a saturated state, the collector and the emitter of the Q2 are conducted, and the 6V300mA small bulb selected by the small bulb RL is lightened.

The C1 connected between the output end of the B and the VSS absorbs instantaneous interference, so that signals input by the sensor are more stable, the capacitor C2 plays a role in filtering and stabilizing circuit work, the resistor R3 is connected between the positive end of the IC1 and VCC in series to play a role in reducing voltage, and the working voltage of the IC1 is 3V.

Can shelter from B with the box body lid during the demonstration, the box body lid of selecting for use will wholly (all) shelter from B, when sheltering from B, the demonstration human body is not in the response within range, and B output low level, the controller is out of work, does not shelter from B, and the demonstration human body is in the response within range, and B output high level, and the HL switch is dialled and is being connected with the music this moment, and its speaker Y sends the music sound, and the HL switch is dialled and is being connected with the small bulb, and its small bulb lights.

The said B works and has certain time delay function, this is its working property, when B outputs the high level, shelter from B with the lid, this circuit has 3 to 7 seconds time to continue to output the high level process, similarly, when B outputs the low level, take off and shelter from the lid of B, B has several seconds time to continue to output the process of the low level.

The utility model discloses utilize human inductive probe sensor to detect information, through the amplifier, the switch, music and power amplifier integrated package, the working circuit is constituteed to resistance capacitor, control speaker sounding and incandescent bulb respectively and light, human response automatic control's of demonstration that can be audio-visual work effect, can also cooperate box body panel design, human probe, the regulator, the speaker, the small bulb, components and parts designs such as power indicator are on the panel, constitute multiple sensor application automatic control teaching demonstration ware, the demonstration is direct-viewing, experiment convenient operation, teaching demonstration is effectual, there are certain use and spreading value.

Claims (5)

1. The utility model provides a circuit module for human response automatic control demonstrates ware, includes sensor B, amplifier Q, switch HL, integrated package IC, speaker Y, little bulb RL, resistor R, condenser C, diode D, power VCC, VSS, supply socket XS which characterized in that: the amplifier Q comprises Q1 and Q2, the integrated block comprises IC1 and IC2, the resistor R comprises R1, R2, R3, R4 and R5, the capacitor C comprises C1 and C2, the positive end and the negative end of the sensor B are respectively connected with VCC and VSS of a power supply, the output end of the sensor B is sequentially connected with Q1, HL, IC1, R4, IC2 and Y, the switch HL is also sequentially connected with R2, Q2, RL and VSS, the positive end of the diode D is connected with the power supply VCC, the negative end of the diode D is connected with VSS through R5, the positive end of the capacitor C1 is connected with the output end of the B, the negative electrode of the capacitor C2 is connected between the power supply VCC and the VSS, the resistor R3 is connected between VCC and IC1 in series, the power supply VCC is connected with the inner core of the socket, and VSS is connected with the outer circle reed of the socket.

2. The circuit module for a human body induction automatic control demonstrator according to claim 1, wherein said sensor B is HC-SR505 miniature human body induction module, amplifier Q1 is NPN type transistor, Q2 is PNP type transistor, and diode D is LED light emitting diode.

3. The circuit module of claim 1, wherein the IC1 is a music integrated block, the IC2 is a power amplifier integrated block, the speaker Y is YD 130-1A, and the switch HL is a two-stage switch with six pins for the button 202.

4. The circuit module for a human body induction automatic control demonstrator of claim 1, wherein said resistors R1, R2, R3 and R5 are 1/8W carbon film resistors, R4 is a potentiometer, and said capacitors C1 and C2 are electrolytic capacitors.

5. The circuit module for the human body induction automatic control demonstrator of claim 1, wherein said power socket XS is a DC power socket DC-044A, the small bulb RL is a 6V300mA small bulb, and the power sources VCC and VSS are regulated power sources of 6V500 mA.

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