CN201595497U - Automatic unit temperature controller - Google Patents

Abstract

An automatic unit temperature controller comprises a shell, a temperature regulating knob, a control module and an electromagnetic wave start button, wherein the temperature regulating knob is connected with a potentiometer in the control module; the potentiometer is arranged on a circuit board of the control module; the control module comprises a microprocessing chip, one pin of the microprocessing chip is connected with a middle contact of the potentiometer, and a pin is connected with a temperature sensor; an I/O pin of the microprocessing chip controls a relay; the relay controls an electromagnetic wave coil; an I/O pin of the microprocessing chip controls a photocoupler; the output end of the photocoupler is connected with the control end of a bidirectional thyristor; and the bidirectional thyristor controls a heater. The automatic unit temperature controller belongs to an intelligent controller, the hardware structure is simplified, due to the shape of the controller, it is easy to hang the controller on the wall, and the heater and an electromagnetic wave generator can be controlled at the same time.

Description

A kind of unit automatic temperature controller

Technical field

The utility model relates to electronic-controlled installation, particularly controls the electronic installation of electrothermic bed heating temp height.

Background technology

In the prior art, electrothermic bed controller is varied, and great majority all adopt digital circuit to constitute, and it is too complicated that circuit seems, and the instrument shell is a square-folded box, is placed on the plane of a furniture.

Have, the electrothermic bed controller volume of prior art is all bigger again, is not suitable for hanging on the wall using, and supportingly discords very much with electrothermic bed.

The 3rd, the electrothermic bed controller of prior art is not controlled electromagnetic wave generator.

The 4th, the electrothermic bed controller of prior art is regulated temperature and all can not be realized step-less adjustment.

The utility model content

For defective and the weak point of avoiding existing in the prior art, the utility model proposes a kind of compactness, unit automatic temperature controller easily.

Unit of the present utility model automatic temperature controller adopts microprocessor to substitute complicated IC chip, make hardware configuration become very simple, and control operation is very convenient, the utility model has been set up the control circuit of electromagnetic wave generator especially, has realized the purpose of an equipment various control.

In order to achieve the above object, the utility model is by realizing by the following technical solutions:

Manufacture and design a kind of unit automatic temperature controller, described unit automatic temperature controller comprises:

One shell;

One temperature adjustment knob;

One control module;

One electromagnetic wave start button;

Described temperature adjustment knob places the middle part of outer casing frontispiece;

Described electromagnetic wave start button is positioned at the bottom of shell, and described electromagnetic wave start button connects the electromagnetic wave starting switch, and described electromagnetic wave starting switch is installed on the circuit board of control module.

Described temperature adjustment knob is connected with potentiometer in the control module, and described potentiometer is installed on the circuit board of control module.

Described control module comprises a little process chip, and an I/O pin of described little process chip connects the intermediate contact of potentiometer.

Another I/O pin of described little process chip connects power switch.

Another I/O pin of described little process chip connects temperature sensor.

Another I/O pin of described little process chip connects the base stage of a transistor by a resistance, the collector connection relay of described transistor, and the other end of relay is connected with positive source+5V;

The contact of described relay connects AC220V and electromagnetic wave coil.

Another I/O pin of described little process chip passes through the input that a resistance connects photoelectrical coupler again, and the output of described photoelectrical coupler connects the control end of bidirectional triode thyristor, and the input of described bidirectional triode thyristor, output connect AC220V and heater.

Make comparisons with prior art, unit of the present utility model automatic temperature controller becomes the intelligent controller of being controlled by little process chip with the controller of prior art, hardware configuration is simplified many, the control function increases many, the controller profile is beneficial to and is suspended on the wall, simultaneously control heater and electromagnetic wave generator.

The utility model power consumption economizes very much, and is safe and reliable.

Description of drawings

Fig. 1 is the profile schematic diagram of a kind of unit of the present utility model automatic temperature controller;

Fig. 2 is the control module control electrical schematic diagram of a kind of unit of the present utility model automatic temperature controller.

Number in the figure:

10 shells, 20 temperature adjustment knobs,

21 adjustment scales, 22 adjustment directrixes,

30 electromagnetic wave start buttons, 31 electromagnetic waves start indicator lamp,

40 power switches, 41 power initiation indicator lamps.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

Most preferred embodiment as shown in Figure 1 and Figure 2:

Manufacture and design a kind of unit automatic temperature controller, described unit automatic temperature controller comprises:

One shell 10;

One temperature adjustment knob 20;

One control module;

One electromagnetic wave start button 30;

Described temperature adjustment knob 20 places the middle part in shell 10 fronts;

Described electromagnetic wave start button 30 is positioned at the bottom of shell 10, and described electromagnetic wave start button 30 connects the electromagnetic wave starting switch, and described electromagnetic wave starting switch is installed on the circuit board of control module.

Described temperature adjustment knob 20 is connected with potentiometer in the control module, and described potentiometer is installed on the circuit board of control module.

Described control module comprises a little process chip U1, and the I/O pin of described little process chip U1 connects the intermediate contact of potentiometer.

Another I/O pin of described little process chip U1 connects power switch 40.Another I/O pin of described little process chip U1 connects temperature sensor.

Another I/O pin of described little process chip U1 passes through the base stage that resistance R 22 connects NPN transistor Q4, the collector connection relay J1 of described transistor Q1, and the other end of relay J 1 is connected with positive source+5V;

The contact of described relay J 1 connects AC220V and electromagnetic wave coil NEV.

Another I/O pin of described little process chip U1 connects the input of photoelectrical coupler U3 by resistance R 3, the output of described photoelectrical coupler U3 connects the control end of bidirectional triode thyristor Q1, and the input of described bidirectional triode thyristor Q1, output connect AC220V and heater H T1.

As shown in Figure 2, the 22nd I/O pin of little process chip U1 connects temperature sensor, and in this pin inside, little process chip has the A/D converter in the sheet, is data signal with the analog signal conversion of temperature sensor, handles.

As shown in Figure 2, the 4th I/O pin of little process chip U1 connects potentiometer VR1, and in this pin inside, little process chip has the A/D converter in the sheet, is data signal with the analog signal conversion of temperature sensor, handles.

As shown in Figure 2, the 6th the I/O pin of little process chip U1 connects photoelectrical coupler U3, in this pin inside, little process chip has the D/A converter in the sheet, the driving analog signal voltage that changes is added in the input of photoelectrical coupler U3, or the pulse signal that the phase angle is different is added in the input of photoelectrical coupler U3, makes the voltage difference that heater H T1 obtains, and caloric value is also different.

With reference to Fig. 1, Fig. 2, adjustment scale 21 is arranged on the temperature adjustment knob 20, described adjustment scale 21 is facing to adjustment directrix 22, the mattress temperature that will set exactly.

Electromagnetic wave starts indicator lamp 31, and power initiation indicator lamp 41 is all lighted by little process chip U1.

Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.

Claims (7)

1. unit automatic temperature controller, it is characterized in that: described unit automatic temperature controller comprises:

One shell (10);

One temperature adjustment knob (20);

One control module;

One electromagnetic wave start button (30);

Described temperature adjustment knob (20) places the positive middle part of shell (10);

Described electromagnetic wave start button (30) is positioned at the bottom of shell (10), and described electromagnetic wave start button (30) connects the electromagnetic wave starting switch, and described electromagnetic wave starting switch is installed on the circuit board of control module.

2. unit according to claim 1 automatic temperature controller is characterized in that:

Described temperature adjustment knob (20) is connected with potentiometer in the control module, and described potentiometer is installed on the circuit board of control module.

3. unit according to claim 1 automatic temperature controller is characterized in that:

Described control module comprises a little process chip U1, and the I/O pin of described little process chip U1 connects the intermediate contact of potentiometer.

4. unit according to claim 3 automatic temperature controller is characterized in that:

Another I/O pin of described little process chip U1 connects power switch (40).

5. unit according to claim 3 automatic temperature controller is characterized in that:

Another I/O pin of described little process chip U1 connects temperature sensor.

6. unit according to claim 3 automatic temperature controller is characterized in that:

Another I/O pin of described little process chip U1 passes through the base stage that resistance R 22 connects NPN transistor Q4, the collector connection relay J1 of described transistor Q1, and the other end of relay J 1 is connected with positive source+5V;

The contact of described relay J 1 connects AC220V and electromagnetic wave coil NEV.

7. unit according to claim 3 automatic temperature controller is characterized in that:

Another I/O pin of described little process chip U1 connects the input of photoelectrical coupler U3 by resistance R 3, the output of described photoelectrical coupler U3 connects the control end of bidirectional triode thyristor Q1, and the input of described bidirectional triode thyristor Q1, output connect AC220V and heater H T1.

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