CN202383542U

CN202383542U - Intelligent electric heating controller with IrDA (Infrared Data Association) interface

Info

Publication number: CN202383542U
Application number: CN201220012603XU
Authority: CN
Inventors: 徐佳丽; 章伟; 刘利民
Original assignee: Huzhou University
Current assignee: Huzhou University
Priority date: 2012-01-12
Filing date: 2012-01-12
Publication date: 2012-08-15
Anticipated expiration: 2022-01-12

Abstract

The utility model discloses an intelligent electric heating controller with an IrDA (Infrared Data Association) interface, comprising a control circuit, an IRDA interface circuit, a displayer, a digital temperature sensor and a relay circuit, wherein the input end of the control circuit is connected with the digital temperature sensor; the output end of the control circuit is connected with the displayer and the relay circuit; and the IRDA interface circuit is connected on the serial port of the control circuit. The intelligent electric heating controller with the IrDA interface, disclosed by the utility model, is capable of completing the control function on heating and heat preserving of a heated object, simple in structure, good in controllability, strong in practicality and higher in control accuracy, has a wireless data exchanging capacity and is convenient for a user to perform flow management, suitable for various occasions having controlling needs on heating and heat preservation and particularly suitable for the occasions having controlling requirement on clothing, food and other thing warming, such as hospitals, kindergartens, gerocomium, low-temperature operations and the like.

Description

A kind of intelligent electric controller that has the IrDA interface

[technical field]

The utility model relates to intelligent electric controller, and more particularly it is to adopt microcontroller and digital temperature sensor technology, accomplishes the control to electrothermal mechanism, realizes the control device of heating automatically and insulation.

[background technology]

There is following deficiency in the electric controller that generally adopts at present:

1, do not adopt the digital temperature sensor technology, the temperature signal precision is not high.

2, do not possess feedback control function, can not realize preservation and controlling.

3, do not adopt the microcontroller technology, controller is intelligent not strong.

4, the integrated control functions that does not have timing, heat-insulating integral.

For addressing the above problem, it is 201020144351.7 that the applicant has proposed the patent No., and name is called a kind of intelligent electric controller patented claim; And in Granted publication on October 20th, 2010, this controller can overcome the deficiency of above-mentioned prior art, provide a kind of provide a kind of with the embedded system technology be the basis; Have self-timing heating and preservation and controlling, control accuracy is higher, good reliability; Practical, simple in structure intelligent electric controller.

Though can realize self-timing heating and preservation and controlling through the intelligent electric controller after the applicant's improvement,, be not easy to user's liquidation management owing to do not possess the wireless data exchange ability.

[utility model content]

The purpose of the utility model solves the problems of the prior art exactly, proposes a kind of intelligent electric controller that has the IrDA interface, can possess the wireless data exchange ability, is convenient to user's liquidation management.

For realizing above-mentioned purpose; The utility model provides a kind of intelligent electric controller of the IrDA of having interface; Comprise control circuit, IRDA interface circuit, display, digital temperature sensor and relay circuit; Said control circuit input end is connected with digital temperature sensor, and the control circuit output terminal is connected with relay circuit with display, is connected with the IRDA interface circuit on the serial port of said control circuit.

As preferably, said IRDA interface circuit is made up of the IRDA integrated circuit, and circuit is simple, good stability.

As preferably, said IRDA integrated circuit adopts the TFDS4500 chip, and circuit is simple, and cost is low.

As preferably, said control circuit is made up of microcontroller, and circuit is simple, and cost is low.

As preferably, said microcontroller adopts the 80C51 chip, and circuit is simple, and cost is low.

As preferably, said display adopts the LCD LCD, and display effect is good.

As preferably, said digital temperature sensor is made up of the thermometric integrated circuit, and circuit is simple, and cost is low.

As preferably, said thermometric integrated circuit adopts the DS18B20 chip, and circuit is simple, and cost is low.

As preferably, said relay switch output circuit is made up of triode and relay, and circuit is simple, controls effective.

The beneficial effect of the utility model: the utility model can be accomplished the heating that is heated object and the control function of insulation, and simple in structure, controllability is good; Practical; Control accuracy is higher, and possesses the wireless data exchange ability, is convenient to user's liquidation management; Be applicable to the multiple occasion that the heat tracing demand for control is arranged, being particularly useful for hospital, kindergarten, the home for the aged, low temp operation etc. has the occasion of demand to controlling warm clothing, food and other article.

Characteristic of the utility model and advantage will combine accompanying drawing to be elaborated through embodiment.

[description of drawings]

Fig. 1 is the theory diagram of the intelligent electric controller of a kind of IrDA of having interface of the utility model;

Fig. 2 is the circuit theory diagrams of the intelligent electric controller of a kind of IrDA of having interface of the utility model.

[embodiment]

As shown in Figure 1; The intelligent electric controller that has the IrDA interface; Comprise control circuit 1, IRDA interface circuit 2, display 3, digital temperature sensor 4 and relay circuit 5; Said control circuit 1 input end is connected with digital temperature sensor 4, and control circuit 1 output terminal is connected with relay circuit 5 with display 3, is connected with IRDA interface circuit 2 on the serial port of said control circuit 1.

As shown in Figure 2, control circuit 1 reads in the temperature information that is heated object through its microcontroller 80C51 and the input end that digital temperature sensor 4DS18B20 is connected, and determines whether to heat or stop heating operation according to the program of microcontroller inside; Digital temperature sensor 4DS18B20 accepts the signal from hygrosensor spare, converts numerical information to, sends microcontroller to; Microcontroller 80C51 exports corresponding video data to the LCD display unit through its display interface P0 and P2.0-P2.3 control, and shows; When temperature is lower than setting value, microcontroller is in the automatic heat preserving state, then directly carries out heating operation; When temperature is lower than setting value, microcontroller is in regularly heated condition, then need wait for and carry out heating operation when timing condition possesses; When temperature is higher than setting value, microcontroller stops heating operation control; The switch of relay is used to control the on/off of electrothermal mechanism, realizes the work of electrical heating operation or stops; The control that microcontroller 80C51 accomplishes heating automatically and stops to heat the switching manipulation of relay circuit 5 through I/0 mouth P1.0, thus realize heating automatically and the control function that is incubated.Control circuit 1 can be accepted external command information through the IRDA interface, carries out radio communication, carries out corresponding information management.Adopt single power supply Vcc, direct current+5V in the utility model.

The foregoing description is the explanation to the utility model, is not the qualification to the utility model, any protection domain that scheme after the utility model simple transformation is all belonged to the utility model.

Claims

1. intelligent electric controller that has the IrDA interface; It is characterized in that: comprise control circuit, IRDA interface circuit, display, digital temperature sensor and relay circuit; Said control circuit input end is connected with digital temperature sensor; The control circuit output terminal is connected with relay circuit with display, is connected with the IRDA interface circuit on the serial port of said control circuit.

2. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 1, it is characterized in that: said IRDA interface circuit is made up of the IRDA integrated circuit.

3. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 2 is characterized in that: said IRDA integrated circuit adopts the TFDS4500 chip.

4. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 1, it is characterized in that: said control circuit is made up of microcontroller.

5. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 4 is characterized in that: said microcontroller adopts the 80C51 chip.

6. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 1 is characterized in that: said display adopts the LCD LCD.

7. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 1, it is characterized in that: said digital temperature sensor is made up of the thermometric integrated circuit.

8. a kind of intelligent electric controller that has the IrDA interface as claimed in claim 7 is characterized in that: said thermometric integrated circuit adopts the DS18B20 chip.

9. like each described a kind of intelligent electric controller that has the IrDA interface in the claim 1～8, it is characterized in that: said relay switch output circuit is made up of triode and relay.