CN203068665U

CN203068665U - Intelligent and safe controller for electric heating firebox

Info

Publication number: CN203068665U
Application number: CN 201320082316
Authority: CN
Inventors: 陈善荣
Original assignee: Jishou University
Current assignee: Jishou University
Priority date: 2013-02-23
Filing date: 2013-02-23
Publication date: 2013-07-17
Anticipated expiration: 2023-02-23

Abstract

The utility model discloses an intelligent and safe controller for an electric heating firebox, belongs to the field of automatic control of electrical power, and overcomes the defects that a current electric heating firebox can not be completely cut off and the like. The intelligent and safe controller for the electric heating firebox adopts the structure that a start switch and an electromagnetic relay switch, which are connected in parallel, are arranged in an alternating circuit to realize the function of automatic and complete power off; a temperature switch is connected in series to a heater circuit to solve the defects of fire hazards caused by overtemperature; a vibration sensor circuit, an integrated infrared receiver circuit, a buzzer circuit, a silicon controller rectifier triggering circuit, a relay and electromagnetic coil driving circuit and other circuits are connected to a singlechip control circuit; the vibration sensor circuit and the buzzer circuit are used for interaction of users who warm themselves by fire to determine whether a person is in or not so as to timely cut off power to realize energy saving; and according to an original full power, power can be reduced step by step to realize an automatic regulation working mode, thereby reducing troubles in manual operation; and by adopting the intelligent and safe controller, safe, comfortable, power-saving purposes can be realized, and heating cost can be reduced.

Description

A kind of electrical heating case intelligent and safe controller

Technical field

The utility model relates to a kind of controller that is mainly used in the electric heating fire-box, belongs to the electric power automation field, is specially a kind of electrical heating case intelligent and safe controller.

Background technology

The Chinese utility model patent of notification number CN 202204058 U discloses and has a kind ofly connected human detection mechanism at single-chip microcomputer, temperature-control circuit, time control circuit, memory circuit, display circuit, the electrical heating case intelligent and safe controller of remote control circuit, this utility model is to whether complete AC dump describes in the power supply connecting mechanism, the existing product of the utility model therewith similarly electricity heating case controller of warming oneself by a fire has the employing microcontroller, button input temperature adjustment, the product of temperature display function, AC dump fully, when turn-offing not the plug seat, control circuit also is connected with electric energy, belong to holding state, have Electrical Safety hidden danger; Though also there is the energy displays temperature in the Chinese utility model patent of notification number CN 202204058 U, but actual user is difficult to bend over to check the deficiency of Temperature numerical, secondly this utility model can not be according to the general knowledge of warming oneself by a fire: phase I global function heating automatically, fire-box is heated up as early as possible, reduce power then step by step, mode until constant temperature is regulated automatically, thereby reach energy-conservation purpose, the Operating Complexity problem of avoiding manual intervention to bring simultaneously; The human detection mechanism of this utility model adopts the contact mechanical switch can not differentiate someone whether fully and acts on fire-box (whether baby or do not have the common people that the people of capacity still has capacity), use fire-box to warm oneself by a fire to the above two, have potential safety hazard.

Summary of the invention

The purpose of this utility model is the deficiency at above-mentioned existing patented product, a kind of electrical heating case intelligent and safe controller is provided, it can cut off the power supply fully automatically after definite people leaves, can regulate power automatically according to general knowledge, reduce the complexity of operation, the auditory tone cues by buzzer, mutual, remote-controlled between the convenient and people, safety, comfortable, economize on electricity can reduce the heating cost.

For achieving the above object, the technical solution of the utility model is, a kind of electrical heating case intelligent and safe controller, at alternating current 220V input (1) be connected in parallel afterwards button closed type starting switch (2) and electromagnetic relay switch (3), connect capacitor step-down+5V power supply (4) again, series connection temperature switch (5) in the live wire (L) of 220V power supply, heater members (6) again is connected in series, be connected to controllable silicon power control circuit (7), get back to the zero line (N) of 220V power supply; Microcontroller MCU(10) forward path connects integrated infrared receiving circuit (13), vibrating sensor circuit (12), button inputting circuits (11), microcontroller MCU(10) backward channel connect LED power indicator (9), buzzer (14), thyristor gating circuit (8), electromagnetic coil relay drive circuit (15).

Described button closed type starting switch (2) is the non-self-locking contact switch of two-way, its effect is to connect power supply, be capacitor step-down+5V power supply (4) power supply, thereby microcontroller MCU(10) and attached forward path connect integrated infrared receiving circuit (13), vibrating sensor circuit (12), button inputting circuits (11), microcontroller MCU(10) backward channel connects LED power indicator (9), buzzer (14), electromagnetic coil relay drive circuit (15) circuit working, electromagnetic relay switch (3) adhesive, button closed type starting switch (2) can discharge.

Described thyristor gating circuit (8) is started working after electromagnetic relay switch (3) adhesive, electrical heating case intelligent and safe controller of the present utility model is automatically according to the general knowledge of warming oneself by a fire: the phase I global function heats, fire-box is heated up as early as possible, reduce power then step by step, regulate automatically until the mode of constant temperature.

Described integrated infrared receiving circuit (13) is started working after electromagnetic relay switch (3) adhesive, receive the instruction of IR remote controller: improve power, reduce power, shutdown, microcontroller MCU(10) LED power indicator (9) and the buzzer (14) that connects by backward channel replied operation, and the break-make dutycycle of change thyristor gating circuit (8), thereby regulate power; Turn-off electromagnetic relay switch (3) by electromagnetic coil relay drive circuit (15), thus outage fully.

Described button inputting circuits (11) is started working after electromagnetic relay switch (3) adhesive, receive the instruction of button input: improve power, reduce power, shutdown, microcontroller MCU(10) LED power indicator (9) and the buzzer (14) that connects by backward channel replied operation, and the break-make dutycycle of change thyristor gating circuit (8), thereby regulate power; Turn-off electromagnetic relay switch (3) by electromagnetic coil relay drive circuit (15), thus outage fully.

Described vibrating sensor circuit (12) was started working when putting in the time of setting, microcontroller MCU(10) the LED power indicator (9) that connects by backward channel and buzzer (14) send and continue the inquiry of warming oneself by a fire and denying to the electricity case user that warms oneself by a fire, detect the state of vibrating sensor circuit (12) then, if during inquiring, receive answer, then continue power supply, otherwise turn-off electromagnetic relay switch (3) by electromagnetic coil relay drive circuit (15), thereby outage fully.

The utility model has the advantages that: can cut off the power supply fully automatically, automated power is regulated, and is mutual by acousto-optic mode and user, uses safety, convenient, energy-conservation.

Description of drawings

Fig. 1 is structured flowchart of the present utility model;

Among the figure: alternating current 220V input (1), button closed type starting switch (2), electromagnetic relay switch (3), capacitor step-down+5V power supply (4), temperature switch (5), heater members (6), controllable silicon power control circuit (7), microcontroller MCU(10), integrated infrared receiving circuit (13), vibrating sensor circuit (12), button inputting circuits (11), LED power indicator (9), buzzer (14), thyristor gating circuit (8), electromagnetic coil relay drive circuit (15);

Fig. 2 is the circuit theory diagrams of the utility model strong power part;

Fig. 3 is the circuit theory diagrams of the utility model weak current part.

The specific embodiment

Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.

Among Fig. 1, Fig. 2, Fig. 3, based among Fig. 2, P200 is the 220V supply socket earlier, and S200 has the non-self-locking of two-way contact for button closed type starting switch (2) among Fig. 1, K200 has the two contacts switch for electromagnetic relay switch (3) among Fig. 1, and S200 and K200 are connected in parallel; After S200 and the K200 parallel connection a road is connected an end of the solenoid of K200, the end of heating element R200, an end of capacitor C 200, an end of resistance R 201; The other end of K200 solenoid connects the T2 utmost point of bidirectional triode thyristor Q200, the T1 utmost point of Q200 connects publicly, 9 pins of microcontroller U100 among one end of the G utmost point connection resistance R 202 of Q200, Fig. 3, another termination+5V of resistance R 202, Q200, R202 composition diagram 1 repeat circuit electromagnetic coil driving circuit (15); R200 is no more than 1KW for heater members (6) rated power among Fig. 1, and the other end of R200 connects the end of K201, and K201 is that temperature switch among Fig. 1 (5) disconnects when temperature surpasses 80 ℃, plays the overtemperature prote effect; The other end of K201 connects resistance R 204, the T2 of bidirectional triode thyristor Q202, the T2 utmost point of bidirectional triode thyristor Q201, the other end of resistance R 204 connects an end of capacitor C 201, the other end of capacitor C 201, another road after the T1 utmost point of bidirectional triode thyristor Q202 connects S200 and K200 is in parallel is common, the G utmost point of bidirectional triode thyristor Q202 connects the T1 utmost point of bidirectional triode thyristor Q201, one end of resistance R 205, the other end of resistance R 205 connects publicly, bidirectional triode thyristor Q201 has the G utmost point to connect an end of resistance R 203, the colelctor electrode of triode Q203, other end connection+the 5V of resistance R 203, the emitter stage of triode Q203 connects common, 11 pins of microcontroller U100 in the base stage connection layout 3 of triode Q203, R204, C201, Q202, controllable silicon power control circuit (7) in the Q201 composition diagram 1, R203, thyristor gating circuit in the Q203 composition diagram 1 (8); The other end of capacitor C 200 connects the other end of resistance R 201, the anode of diode D201, the negative electrode of diode D201 connects capacitor C 202+utmost point, the negative electrode of diode D201, the negative electrode of voltage-stabiliser tube D202, this is+output of 5V power supply, the anode of the negative pole of capacitor C 202, the anode of D202, D200 connects common, capacitor step-down in C200, R201, D201, D200, C202, the D202 composition diagram 1+5V power supply (4).

Based among Fig. 3, U100 is microcontroller MCU(10 among Fig. 1 again); 1 pin of U100 connects an end of resistance R 100, the negative pole of C100, and the other end of R100 connects publicly, C100+utmost point connection+5V; 2,3 pins of U100 are 2,3 pins of gang socket J100 respectively, and 1 pin of J100 connects publicly, 4 pins connect+5V; 4,5 pins of U100 are unsettled; 6 pins of U100 connect 3 pins of U103, and 1 pin of U103 connects+and 5V, 2 pins connect publicly, and U103 is integrated infrared receiving circuit (13) among Fig. 1; 7 pins of U100 connect the negative pole of U101, and the positive pole of U101 connects+5V, and U101 is buzzer among Fig. 1 (14); 8 pins of U100 connect 2 pin of U102, and another pin of U102 connects common, and U102 is vibrating sensor circuit (12) among Fig. 1; 9 pin, 11 pin of U100 are connected among Fig. 2, preceding existing narration; 10 pin of U100 connect common; The other end that 12,13,14 pin of U100 connect the end that touches key switch S102, S101, S100, S102, S101, S100 respectively connects publicly; 15,16,17,18,19 of U100 connects the negative electrode of LED luminous tube D104, D103, D102, D101, D100 respectively; The anode of D104, D103, D102, D101, D100 connects the end of resistance R 105, R104, R103, R102, R101 respectively; The other end of R105, R104, R103, R102, R101 connects publicly; The 20 pin connection+5V power supplys of U100, the positive pole of capacitor C 101, an end of capacitor C 102, the other end of the negative pole of capacitor C 101, capacitor C 102 connects common.

Claims

1. electrical heating case intelligent and safe controller, belong to the electric power automation field, it is characterized in that, at alternating current 220V input (1) be connected in parallel afterwards button closed type starting switch (2) and electromagnetic relay switch (3), connect capacitor step-down+5V power supply (4) again, series connection temperature switch (5) in the live wire (L) of 220V power supply, heater members (6) again is connected in series, be connected to controllable silicon power control circuit (7), get back to the zero line (N) of 220V power supply; Microcontroller MCU(10) forward path connects integrated infrared receiving circuit (13), vibrating sensor circuit (12), button inputting circuits (11), microcontroller MCU(10) backward channel connect LED power indicator (9), buzzer (14), thyristor gating circuit (8), electromagnetic coil relay drive circuit (15).

2. according to the described electrical heating case intelligent and safe of claim 1 controller, it is characterized in that described button closed type starting switch (2) is the non-self-locking contact switch of two-way.