CN216133328U

CN216133328U - Far infrared foot bath barrel controller circuit

Info

Publication number: CN216133328U
Application number: CN202121793175.4U
Authority: CN
Inventors: 唐宏飞
Original assignee: Jiangsu Yunchuan Internet Of Things Technology Co ltd
Current assignee: Jiangsu Yunchuan Internet Of Things Technology Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-25
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a far infrared foot bath barrel controller circuit, and relates to the field of temperature control and the like. The device comprises a single chip microcomputer circuit, an AC-DC conversion circuit, a nixie tube, a key circuit and a zero-crossing detection circuit, wherein an output pin of the single chip microcomputer basic circuit is connected with the key and the nixie tube; the pin of the single chip microcomputer basic circuit is connected with an output pin of the zero-crossing detection; the single chip microcomputer basic circuit is connected with the heating output end and the massage output relay; the power conversion circuit supplies power to each circuit. The nixie tube display controller can display the working state of the controller more visually, the single chip microcomputer adopts an STM8S003F3 chip with stronger anti-jamming capability, the environment interference situation in the use process is reduced, the power adjustable circuit is stable and durable, and the temperature in the barrel can be maintained within a certain range through the control of the relevant algorithm of the single chip microcomputer.

Description

Far infrared foot bath barrel controller circuit

Technical Field

The utility model belongs to the technical field of far infrared foot bath, and particularly relates to a far infrared foot bath barrel controller circuit.

Background

The far infrared foot bath barrel controller in the market at present mostly adopts the principle design of fixed heating function work, and has the advantage of low price. The disadvantages are obvious: after heating to the set temperature, the controller stops heating, results in the hot plate cooling too fast, and the temperature can't keep at fixed temperature in the bucket, and actual experience is not very good. The far infrared foot bath barrel controller uses a power adjustable scheme, so that the temperature in the barrel can be maintained in a fixed temperature range, and the use experience is excellent.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a far infrared foot bath tub controller circuit, which can maintain the temperature in a tub within a fixed temperature range and has excellent use experience.

The technical scheme adopted by the utility model is as follows: a far infrared foot bath barrel controller circuit comprises a single chip microcomputer, a power supply conversion circuit, a nixie tube, a key circuit and a zero-crossing detection circuit, wherein an output pin of the single chip microcomputer is connected with a key and the nixie tube; the input pin of the singlechip is connected with the output pin of the zero-crossing detection; the output end of the single chip is connected with a heating output circuit and a massage output circuit, and the power supply conversion circuit supplies power to each circuit.

Preferably, the zero-crossing detection circuit comprises a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a diode D6 and a diode D7; optocoupler U2, optocoupler U3; a transistor Q3, a transistor Q4; the resistor R6 is connected with the optical coupler U2 through the diode D6, the resistor is connected with the optical coupler U3 through the diode D7, the resistor R7 is connected with the base electrode of the triode Q3, the emitter electrode of the triode Q3 is connected with the base electrode of the triode Q4, the collector electrode of the triode Q3 is connected with the collector electrode of the triode Q4, and the state at the zero crossing point is converted into a pulse signal through the circuit to be sent to the single chip microcomputer.

Preferably, the power conversion circuit comprises a fuse FU1, the fuse FU1 is connected with a transformer T1, and an output end of the transformer T1 is connected with a diode D1, a diode D2, a diode D4, a diode D5, a capacitor C1 and a capacitor C2.

Preferably, the massage output circuit comprises a resistor R3, a resistor R1, a transistor Q2, a diode D3 and a relay RY1, wherein the resistor R3 is connected with the base of the transistor Q2, the resistor R1 is connected with the collector of the transistor Q2, the emitter of the transistor Q2 is grounded, the collector of the transistor Q2 is connected with the anode of the diode D3, and the diode D3 is connected with the relay RY1 in parallel.

Preferably, the basic circuit of the single chip microcomputer adopts an STM8S003F3 chip, and a pin 20 of the STM8S003F3 is connected with a temperature sensor NTC to detect the ambient temperature; the 1 pin of the STM8S003F3 is connected with the output end of the zero-crossing detection, the 2 pin is connected with the massage output relay, and the 18 pin is connected with the heating output relay; the rest pins are connected with the nixie tube and the related pins of the keys.

Preferably, the heating output circuit adopts a silicon controlled rectifier driving circuit and comprises an MOC3021 silicon controlled rectifier optical coupling relay.

Preferably, the nixie tube and the key drive are directly driven by a pin of the single chip microcomputer.

Preferably, the relay output circuit adopts an HF3FF/012-1HS relay.

Preferably, the power conversion circuit adopts a 78L05 power chip.

The utility model has the beneficial effects that:

1. the nixie tube displays the working state of the controller and can be more visual.

2. The singlechip adopts the STM8S003F3 chip that the interference killing feature is stronger, reduces the environmental disturbance condition in the use.

3. The power adjustable circuit is stable and durable, and the temperature in the barrel can be maintained within a certain range through the control of a related algorithm of the single chip microcomputer.

4. Nixie tube and key drive are directly driven by singlechip pin, and under the condition that singlechip pin is enough, the cost can be reduced by using the design mode.

Drawings

FIG. 1 is a schematic diagram of a single-chip microcomputer circuit of the present invention;

FIG. 2 is a schematic diagram of a power conversion circuit of the present invention;

FIG. 3 is a schematic diagram of a nixie tube and key circuit according to the present invention;

FIG. 4 is a schematic diagram of the zero crossing detection circuit of the present invention;

FIG. 5 is a schematic diagram of a thyristor driver circuit according to the present invention;

fig. 6 is a schematic diagram of a massage output circuit of the present invention.

Detailed Description

For further explanation of the technical details and advantages of the present invention, reference will now be made to the accompanying drawings.

As shown in fig. 1, a far infrared foot bath tub controller circuit comprises a single chip microcomputer, a power supply conversion circuit, a nixie tube, a key circuit and a zero-crossing detection circuit, wherein an output pin of the single chip microcomputer is connected with the key and the nixie tube; the input pin of the singlechip is connected with the output pin of the zero-crossing detection; the output end of the single chip is connected with a heating output circuit and a massage output circuit, and the power supply conversion circuit supplies power to each circuit.

As shown in fig. 4, the zero-crossing detection circuit includes a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a diode D6, and a diode D7; optocoupler U2, optocoupler U3; a transistor Q3, a transistor Q4; the resistor R6 is connected with the optical coupler U2 through the diode D6, the resistor is connected with the optical coupler U3 through the diode D7, the resistor R7 is connected with the base electrode of the triode Q3, the emitter electrode of the triode Q3 is connected with the base electrode of the triode Q4, the collector electrode of the triode Q3 is connected with the collector electrode of the triode Q4, and the state at the zero crossing point is converted into a pulse signal through the circuit to be sent to the single chip microcomputer.

As shown in fig. 2, the power conversion circuit includes a fuse FU1, the fuse FU1 is connected to a transformer T1, and an output terminal of the transformer T1 is connected to a diode D1, a diode D2, a diode D4, a diode D5, a capacitor C1, and a capacitor C2.

As shown in fig. 6, the massage output circuit includes a resistor R3, a resistor R1, a transistor Q2, a diode D3, and a relay RY1, wherein the resistor R3 is connected to a base of the transistor Q2, the resistor R1 is connected to a collector of the transistor Q2, an emitter of the transistor Q2 is grounded, the collector of the transistor Q2 is connected to an anode of the diode D3, and the diode D3 is connected in parallel with the relay RY 1.

As shown in FIG. 1, the basic circuit of the single chip microcomputer adopts an STM8S003F3 chip, and 20 pins of the STM8S003F3 are connected with a temperature sensor NTC to detect the ambient temperature; the 1 pin of the STM8S003F3 is connected with the output end of the zero-crossing detection, the 2 pin is connected with the massage output relay, and the 18 pin is connected with the heating output relay; the rest pins are connected with the nixie tube and the related pins of the keys.

As shown in fig. 5, the heating output circuit adopts a thyristor drive circuit, and comprises an MOC3021 thyristor optocoupler relay.

In this embodiment, the nixie tube and the key driver are directly driven by the pin of the single chip microcomputer. Under the condition that the pins of the single chip microcomputer are enough, the cost can be reduced by using the design mode.

The relay output circuit adopts an HF3FF/012-1HS relay, one end of an HF3FF/012-1HS relay coil is connected with a collector of a triode Q2, and an emitter of the triode Q2 is grounded. The other end of the HF3FF/012-1HS relay coil is connected with the positive pole of a 12V power supply through a diode. The power conversion circuit adopts a 78L05 power chip.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A far infrared foot bath barrel controller circuit comprises a single chip microcomputer, a power supply conversion circuit, a nixie tube, a key circuit and a zero-crossing detection circuit, and is characterized in that: the output pin of the singlechip is connected with the key and the nixie tube; the input pin of the singlechip is connected with the output pin of the zero-crossing detection; the output end of the single chip is connected with a heating output circuit and a massage output circuit, and the power supply conversion circuit supplies power to each circuit.

2. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the zero-crossing detection circuit comprises a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a diode D6 and a diode D7; optocoupler U2, optocoupler U3; a transistor Q3, a transistor Q4; the resistor R6 is connected with the optical coupler U2 through the diode D6, the resistor is connected with the optical coupler U3 through the diode D7, the resistor R7 is connected with the base electrode of the triode Q3, the emitter electrode of the triode Q3 is connected with the base electrode of the triode Q4, the collector electrode of the triode Q3 is connected with the collector electrode of the triode Q4, and the state at the zero crossing point is converted into a pulse signal through the circuit to be sent to the single chip microcomputer.

3. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the power conversion circuit comprises a fuse FU1, the fuse FU1 is connected with a transformer T1, and the output end of the transformer T1 is connected with a diode D1, a diode D2, a diode D4, a diode D5, a capacitor C1 and a capacitor C2.

4. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the massage output circuit comprises a resistor R3, a resistor R1, a triode Q2, a diode D3 and a relay RY1, wherein the resistor R3 is connected with the base electrode of the triode Q2, the resistor R1 is connected with the collector electrode of the triode Q2, the emitter electrode of the triode Q2 is grounded, the collector electrode of the triode Q2 is connected with the positive electrode of the diode D3, and the diode D3 is connected with the relay RY1 in parallel.

5. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the heating output circuit adopts a silicon controlled rectifier driving circuit and comprises an MOC3021 silicon controlled rectifier optical coupling relay.

6. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the basic circuit of the single chip microcomputer adopts an STM8S003F3 chip, and a pin 20 of the STM8S003F3 is connected with a temperature sensor NTC to detect the ambient temperature; the 1 pin of the STM8S003F3 is connected with the output end of the zero-crossing detection, the 2 pin is connected with the massage output relay, and the 18 pin is connected with the heating output relay; the rest pins are connected with the nixie tube and the related pins of the keys.

7. The far infrared foot bath tub controller circuit according to claim 6, characterized in that: the nixie tube and the key drive are directly driven by a pin of the single chip microcomputer.

8. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the relay output circuit adopts an HF3FF/012-1HS relay.

9. The far infrared foot bath tub controller circuit according to claim 1, characterized in that: the power conversion circuit adopts a 78L05 power chip.