CN210534951U - Multifunctional household circuit - Google Patents
Multifunctional household circuit Download PDFInfo
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- CN210534951U CN210534951U CN201921663137.XU CN201921663137U CN210534951U CN 210534951 U CN210534951 U CN 210534951U CN 201921663137 U CN201921663137 U CN 201921663137U CN 210534951 U CN210534951 U CN 210534951U
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Abstract
The utility model discloses a multi-functional house circuit belongs to house circuit technical field, has solved the problem that circuit structure is complicated among the prior art, has used more components and parts. A multifunctional household circuit comprises a main control unit, a human body infrared sensor, a smoke sensing circuit and an alarm circuit, wherein the main control unit is respectively connected with the human body infrared sensor, the smoke sensing circuit and the alarm circuit; the human body infrared sensor is used for detecting a human body intruding into the room and transmitting a detection result to the main control unit; the smoke induction circuit is used for inducing indoor smoke and transmitting smoke concentration information to the main control unit; the alarm circuit is used for giving an alarm when the smoke concentration reaches a preset value or the human body infrared sensor detects a human body. The intelligent alarm function is realized by a simplified circuit structure and fewer components.
Description
Technical Field
The utility model belongs to the technical field of the house circuit technique and specifically relates to a multi-functional house circuit is related to.
Background
The intelligent household circuit integrates communication, alarming and control into a whole, can be installed in a household and connected with various devices in the household, has the safety and superiority which are not possessed by the traditional furniture, a user can observe the on-off condition of the electrical equipment in the household system in real time through the portable electronic equipment, can master real-time data, and can master the household condition in real time through the equipment when the user is not at home, and can report the abnormal conditions of some electrical appliances through the mobile equipment when the data of the equipment exceeds the upper limit value, thereby eliminating unnecessary potential safety hazards, providing sound service for the independent people and the intelligent household circuit, having external dangerous factors and alarming in time, ensuring the personal safety of the independent people, most of the existing intelligent household circuits are complex, and more components are used, thereby leading to higher cost, is not beneficial to popularization.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned a technique not enough at least, provide a multi-functional house circuit.
The utility model provides a multifunctional household circuit, which comprises a main control unit, a human body infrared inductor, a smoke induction circuit and an alarm circuit,
the main control unit is respectively connected with the human body infrared inductor, the smoke induction circuit and the alarm circuit; the human body infrared sensor is used for detecting a human body intruding into the room and transmitting a detection result to the main control unit; the smoke induction circuit is used for inducing indoor smoke and transmitting smoke concentration information to the main control unit; the alarm circuit is used for giving an alarm when the smoke concentration reaches a preset value or the human body infrared sensor detects a human body.
Further, the smog induction circuit includes smoke transducer, voltage comparator, resistance R3, sliding resistance Rp and emitting diode, smoke transducer's 1 ~ 3 pin connects power supply simultaneously, and 4, 6 pins connect voltage comparator's negative input end simultaneously, voltage comparator's positive input end passes through sliding resistance Rp and connects power supply, voltage comparator's 8 pins connect power supply, simultaneously through resistance R3 with emitting diode's positive pole is connected, emitting diode's negative pole with the P6.2 pin of main control unit is connected.
Furthermore, the multifunctional household circuit further comprises a temperature sensor and a liquid crystal display unit, wherein the temperature sensor and the liquid crystal display unit are respectively connected with the main control unit, the temperature sensor is used for collecting indoor temperature and transmitting the collected indoor temperature value to the main control unit, the main control unit transmits the indoor temperature value to the liquid crystal display unit, and the liquid crystal display unit is used for displaying the indoor temperature value.
Further, the multifunctional household circuit further comprises a resistor R1, a resistor R2 and a capacitor C1, wherein a pin 1A and a pin 2A of the liquid crystal display unit are respectively connected with a pin P3.3 of the main control unit through a resistor R1 and a resistor R2, a pin GND and a pin VOUT of the liquid crystal display unit are connected through a capacitor C1, the pin GND is grounded, and pins CLK, DIN, D/C, CS and RST of the liquid crystal display unit are respectively connected with pins P2.6, P3.3, P3.1, P4.0 and P4.1 of the main control power supply.
Furthermore, the alarm circuit comprises a buzzer B1 and a triode Q3, one end of the buzzer is connected with a power supply, the other end of the buzzer is connected with an emitter of the triode Q3, and a base of the triode is connected with a P4.6 pin of the main control unit.
Further, the multifunctional household circuit further comprises a first crystal oscillator circuit and a second crystal oscillator circuit, the first crystal oscillator circuit comprises a crystal oscillator Y2, a capacitor C6 and a capacitor C7, two ends of the crystal oscillator Y2 are respectively connected with first ends of the capacitors C6 and C7, the other ends of the capacitors C6 and C7 are connected with the back and then grounded, and two ends of the crystal oscillator Y2 are respectively connected with XT2IN and XT2OUT pins of the main control unit; the second crystal oscillator circuit comprises a crystal oscillator Y3, capacitors C8 and C9, two ends of the crystal oscillator Y3 are respectively connected with first ends of the capacitors C8 and C9, the other ends of the capacitors C8 and C9 are connected with the ground, and two ends of the crystal oscillator Y3 are respectively connected with XIN pins and XOUT/TCLK pins of the main control unit.
Compared with the prior art, the beneficial effects of the utility model include: through being connected main control unit with human infrared inductor, smog induction circuit, alarm circuit respectively, human infrared inductor detects the indoor human body of break-in to convey the testing result to main control unit, smog induction circuit responds to indoor smog, and with smog concentration information transfer to main control unit, when smog concentration reaches the default or human infrared inductor detects the human body, alarm circuit reports to the police, can in time acquire the dangerous factor that probably exists in the room, has realized intelligent alarming function with simplistic circuit structure, less components and parts.
Drawings
Fig. 1 is a structural connection diagram of a multifunctional household circuit according to an embodiment of the present invention;
fig. 2 is a pin structure diagram of the main control unit according to the embodiment of the present invention;
FIG. 3 is a wiring diagram of the human body infrared sensor according to the embodiment of the present invention;
figure 4 is a smoke sensing circuit according to an embodiment of the present invention;
FIG. 5 is a wiring diagram of a temperature sensor according to an embodiment of the present invention;
fig. 6 shows a pin of a liquid crystal display unit and a peripheral circuit thereof according to an embodiment of the present invention;
fig. 7 is a relay circuit according to an embodiment of the present invention;
fig. 8 is an alarm circuit according to an embodiment of the present invention;
fig. 9 shows a reset circuit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The embodiment of the utility model provides a multifunctional household circuit, the structural connection diagram of which is shown in figure 1 and comprises a main control unit, a human body infrared sensor, a smoke sensing circuit and an alarm circuit,
the main control unit is respectively connected with the human body infrared inductor, the smoke induction circuit and the alarm circuit; the human body infrared sensor is used for detecting a human body intruding into the room and transmitting a detection result to the main control unit; the smoke induction circuit is used for inducing indoor smoke and transmitting smoke concentration information to the main control unit; the alarm circuit is used for giving an alarm when the smoke concentration reaches a preset value or the human body infrared sensor detects a human body.
In specific implementation, an MSP430F149 processor is selected as a main control unit, a pin structure diagram of the main control unit is shown in fig. 2, the model of the human body infrared sensor is HC-SR501, a wiring diagram of the human body infrared sensor is shown in fig. 3, the HC-SR501 human body infrared sensor can perform human body induction automatic detection, when a human body is in an induction range, a high level is output, otherwise, a low level is output, and the output level is transmitted to the main control unit through a P3.6 pin of the main control unit; it should be noted that, as long as the smoke concentration reaches the preset value or the human body infrared sensor detects one of the conditions of the human body, the main control unit makes the alarm circuit alarm.
Preferably, the smoke sensing circuit comprises a smoke sensor, a voltage comparator, a resistor R3, a sliding resistor Rp and a light emitting diode, pins 1-3 of the smoke sensor are simultaneously connected with a power supply, pins 4 and 6 are simultaneously connected with a negative input end of the voltage comparator, a positive input end of the voltage comparator is connected with the power supply through the sliding resistor Rp, pin 8 of the voltage comparator is connected with the power supply and is simultaneously connected with the positive electrode of the light emitting diode through a resistor R3, and the negative electrode of the light emitting diode is connected with a pin P6.2 of the main control unit; the smoke sensing circuit, as shown in fig. 4;
it should be noted that the smoke sensor is a QM-N10 type smoke sensor, and is matched with the main control unit and the alarm circuit to detect indoor smoke, grasp indoor environmental safety in real time, and realize a fire alarm function; in specific implementation, the smoke sensing circuit is as shown in fig. 3; the 5 pins of the smoke sensor are grounded through a resistor R1, the 4 pins and the 6 pins are grounded through a resistor R2 after being connected, the sliding end of the sliding resistor Rp is connected with the positive input end of the voltage comparator, one fixed end of the sliding resistor Rp is connected with a power supply source, the other fixed end of the sliding resistor Rp is grounded, the 4 pins of the voltage comparator are grounded, and the output end (1 pin) of the voltage comparator is grounded through a capacitor C1.
Preferably, the temperature sensor and the liquid crystal display unit are respectively connected with the main control unit, the temperature sensor is used for collecting indoor temperature and transmitting the collected indoor temperature value to the main control unit, the main control unit transmits the indoor temperature value to the liquid crystal display unit, and the liquid crystal display unit is used for displaying the indoor temperature value; the wiring diagram of the temperature sensor is shown in fig. 5, and the pins of the liquid crystal display unit and the peripheral circuits thereof are shown in fig. 6;
in specific implementation, the multifunctional home circuit further includes a relay circuit, as shown in fig. 7, the relay circuit further includes a triode Q4, a diode D2 and a relay, pins 2 and 5 of the relay are respectively connected to a positive input end and a negative input end of a diode D2, the pin 5 is simultaneously connected to a power supply, the pin 3 is grounded, the pin 2 is connected to an emitter of the diode triode Q4, a collector of the triode Q4 is grounded, a base of the triode Q4 is connected to a pin P5.1 of the main control unit, and pins 1 and 6 of the relay are connected to a home device, for example, a heater; the temperature sensor can also detect the water temperature of the water heater, and when the water temperature of the water heater exceeds the preset water temperature, if the water temperature is 50 ℃, the main control unit enables the relay to be disconnected, so that the heater stops heating.
Preferably, the multifunctional household circuit further comprises a resistor R1, a resistor R2 and a capacitor C1, the LED1A pin and the LED2A pin of the liquid crystal display unit are respectively connected with the P3.3 pin of the main control unit through a resistor R1 and a resistor R2, the GND pin of the liquid crystal display unit is connected with the VOUT pin through a capacitor C1, the GND pin is grounded, and the CLK, DIN, D/C, CS and RST pins of the liquid crystal display unit are respectively connected with the P2.6, P3.3, P3.1, P4.0 and P4.1 pins of the main control power supply. The liquid crystal display unit is used for displaying the indoor temperature value, so that a user can master the indoor temperature in time.
Preferably, the alarm circuit comprises a buzzer B1 and a triode Q3, one end of the buzzer is connected with a power supply, the other end of the buzzer is connected with an emitter of the triode Q3, and a base of the triode is connected with a P4.6 pin of the main control unit; the alarm circuit is shown in fig. 8.
The driving capacity of the main control unit is increased by additionally connecting an S9015 triode, the triode is in saturated conduction through forward bias of a transmitting junction and reverse bias of a collecting junction of the triode, and a buzzer sounds to give an alarm;
preferably, the multifunctional household circuit further comprises a first crystal oscillator circuit and a second crystal oscillator circuit, the first crystal oscillator circuit comprises a crystal oscillator Y2, a capacitor C6 and a capacitor C7, two ends of the crystal oscillator Y2 are respectively connected with first ends of the capacitors C6 and C7, the other ends of the capacitors C6 and C7 are connected with the back and then grounded, and two ends of the crystal oscillator Y2 are respectively connected with XT2IN and XT2OUT pins of the main control unit; the second crystal oscillator circuit comprises a crystal oscillator Y3, capacitors C8 and C9, two ends of the crystal oscillator Y3 are respectively connected with first ends of the capacitors C8 and C9, the other ends of the capacitors C8 and C9 are connected with the rear ground, and two ends of the crystal oscillator Y3 are respectively connected with XIN pins and XOUT/TCLK pins of the main control unit;
the two crystal oscillator circuits are connected to the outside of the main control unit to ensure the stability of the clock signal of the main control unit, and the crystal oscillator and the two capacitors for filtering can form a resonance circuit;
in a specific embodiment, the multifunctional home circuit further includes a reset circuit, as shown in fig. 9, the reset circuit is configured to reset the main control unit, after the reset is successful, all pins of the reset circuit output high levels, and initialize and start normal operation, the reset circuit includes a reset switch, a capacitor C4 and a resistance wire R2, after the capacitor is connected in parallel with the reset switch, one end of the capacitor is connected to the power supply through the resistance wire R2, the other end of the capacitor is grounded, and one end of the capacitor C4 close to the power supply is connected to the RST pin of the main control unit.
The invention discloses a multifunctional household circuit.A main control unit is respectively connected with a human body infrared sensor, a smoke sensing circuit and an alarm circuit, the human body infrared sensor detects a human body intruding into a room and transmits a detection result to the main control unit, the smoke sensing circuit senses indoor smoke and transmits smoke concentration information to the main control unit, and the alarm circuit gives an alarm when the smoke concentration reaches a preset value or the human body infrared sensor detects the human body; dangerous factors possibly existing in a room can be obtained in time, and an intelligent alarm function is realized through a simplified circuit structure and fewer components; in addition, the timely display of the indoor temperature is realized through the cooperation of the temperature sensor, the liquid crystal display unit and the main control unit, and the temperature of the water heater can be maintained within the preset temperature through the cooperation of the relay circuit, the main control unit and the heater.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A multifunctional household circuit is characterized by comprising a main control unit, a human body infrared inductor, a smoke induction circuit and an alarm circuit,
the main control unit is respectively connected with the human body infrared inductor, the smoke induction circuit and the alarm circuit; the human body infrared sensor is used for detecting a human body intruding into the room and transmitting a detection result to the main control unit; the smoke induction circuit is used for inducing indoor smoke and transmitting smoke concentration information to the main control unit; the alarm circuit is used for giving an alarm when the smoke concentration reaches a preset value or the human body infrared sensor detects a human body.
2. The multifunctional household circuit according to claim 1, wherein the smoke sensing circuit comprises a smoke sensor, a voltage comparator, a resistor R3, a sliding resistor Rp and a light emitting diode, pins 1-3 of the smoke sensor are connected with a power supply at the same time, pins 4 and 6 of the smoke sensor are connected with a negative input end of the voltage comparator at the same time, a positive input end of the voltage comparator is connected with the power supply through the sliding resistor Rp, pin 8 of the voltage comparator is connected with the power supply and is connected with a positive electrode of the light emitting diode through a resistor R3, and a negative electrode of the light emitting diode is connected with a pin P6.2 of the main control unit.
3. The multifunctional home circuit according to claim 1, further comprising a temperature sensor and a liquid crystal display unit, wherein the temperature sensor and the liquid crystal display unit are respectively connected with the main control unit, the temperature sensor is used for collecting indoor temperature and transmitting the collected indoor temperature value to the main control unit, the main control unit transmits the indoor temperature value to the liquid crystal display unit, and the liquid crystal display unit is used for displaying the indoor temperature value.
4. The multifunctional household circuit of claim 3, further comprising a resistor R1, a resistor R2 and a capacitor C1, wherein pins LED1A and LED2A of the liquid crystal display unit are respectively connected with pins P3.3 of the main control unit through a resistor R1 and a resistor R2, a pin GND of the liquid crystal display unit is connected with a pin VOUT through a capacitor C1, the pin GND is grounded, and pins CLK, DIN, D/C, CS and RST of the liquid crystal display unit are respectively connected with pins P2.6, P3.3, P3.1, P4.0 and P4.1 of the main control power supply.
5. The multifunctional household circuit of claim 1, wherein the alarm circuit comprises a buzzer B1 and a triode Q3, one end of the buzzer is connected with a power supply, the other end of the buzzer is connected with an emitter of the triode Q3, and a base of the triode is connected with a P4.6 pin of the main control unit.
6. The multifunctional household circuit of claim 1, further comprising a first crystal oscillator circuit and a second crystal oscillator circuit, wherein the first crystal oscillator circuit comprises a crystal oscillator Y2, capacitors C6 and C7, two ends of the crystal oscillator Y2 are respectively connected with first ends of the capacitors C6 and C7, the other ends of the capacitors C6 and C7 are connected with a rear ground, and two ends of the crystal oscillator Y2 are respectively connected with XT2IN and XT2OUT pins of the main control unit; the second crystal oscillator circuit comprises a crystal oscillator Y3, capacitors C8 and C9, two ends of the crystal oscillator Y3 are respectively connected with first ends of the capacitors C8 and C9, the other ends of the capacitors C8 and C9 are connected with the ground, and two ends of the crystal oscillator Y3 are respectively connected with XIN pins and XOUT/TCLK pins of the main control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663137.XU CN210534951U (en) | 2019-09-30 | 2019-09-30 | Multifunctional household circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921663137.XU CN210534951U (en) | 2019-09-30 | 2019-09-30 | Multifunctional household circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210534951U true CN210534951U (en) | 2020-05-15 |
Family
ID=70607244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921663137.XU Expired - Fee Related CN210534951U (en) | 2019-09-30 | 2019-09-30 | Multifunctional household circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210534951U (en) |
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2019
- 2019-09-30 CN CN201921663137.XU patent/CN210534951U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200515 Termination date: 20210930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |