CN202257311U - Intelligent electric heating controller with 485 interface - Google Patents
Intelligent electric heating controller with 485 interface Download PDFInfo
- Publication number
- CN202257311U CN202257311U CN2011203890740U CN201120389074U CN202257311U CN 202257311 U CN202257311 U CN 202257311U CN 2011203890740 U CN2011203890740 U CN 2011203890740U CN 201120389074 U CN201120389074 U CN 201120389074U CN 202257311 U CN202257311 U CN 202257311U
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- circuit
- intelligent electric
- control circuit
- interface
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Abstract
The utility model discloses an intelligent electric heating controller with a 485 interface. The intelligent electric heating controller comprises a control circuit, an RS 485 interface circuit, a display, a digital temperature sensor and a relay circuit, wherein the digital temperature sensor is connected to the input end of the control circuit; the display and the relay circuit are connected to the output end of the control circuit; and the RS 485 interface circuit is connected to a serial port of the control circuit. The intelligent electric heating controller disclosed by the utility model is capable of finishing the function of controlling heating and thermal insulation of a heated object, has the advantages of simple structure, good controllability, strong practicability, higher control precision, network connection and management capabilities and convenience for realizing networked management by a user and is suitable for multiple occasions with heating and thermal insulation control requirements and is especially suitable for occasions, such as hospitals, nursery schools, gerocomium, low-temperature works and the like with control requirements on warm clothes, foods and other articles.
Description
[technical field]
The utility model relates to intelligent electric controller; More specifically say so and adopt microcontroller and digital temperature sensor technology, accomplish control, realize the control device of heating automatically and insulation electrothermal mechanism.
[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, connect and managerial ability owing to do not possess network, be not easy to the user and realize network management.
[utility model content]
The purpose of the utility model solves the problems of the prior art exactly, proposes a kind of novel intelligent electric controller, can possess network and connect and managerial ability, is convenient to the user and realizes network management.
For realizing above-mentioned purpose; The utility model provides a kind of intelligent electric controller that has 485 interfaces; Comprise control circuit, RS485 interface circuit, display, digital temperature sensor and relay circuit; Said digital temperature sensor is connected to the control circuit input end, and display and relay circuit are connected to the control circuit output terminal, is connected with the RS485 interface circuit on the serial port of control circuit.
As preferably, described control circuit is made up of microcontroller, and is simple in structure, and cost is low.
As preferably, described microcontroller is the 80C51 chip, and circuit is simple, and cost is low.
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 is the DS18B20 chip, and circuit is simple, and cost is low.
As preferably, said RS485 interface circuit is made up of the RS485 integrated circuit, and circuit is simple, and cost is low.
As preferably, said display is made up of the LCD LCD, and display effect is good.
As preferably, said relay 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 network connection and managerial ability, is convenient to the user and realizes network 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 a kind of theory diagram that has the intelligent electric controller of 485 interfaces of the utility model;
Fig. 2 is a kind of circuit theory diagrams that have the intelligent electric controller of 485 interfaces of the utility model.
[embodiment]
As shown in Figure 1, have the intelligent electric controller of 485 interfaces, comprise control circuit 2, RS485 interface circuit 5, display 4, digital temperature sensor 1 and relay circuit 3.Said control circuit 2 input ends are connected with digital temperature sensor 1, and control circuit 2 output terminals are connected with relay circuit 3 with display 4, are connected with RS485 interface circuit 5 on the serial port of said control circuit 2.
As shown in Figure 2, control circuit 2 reads in the temperature information that is heated object through its microcontroller 80C51 and the input end that digital temperature sensor 1DS18B20 is connected, and determines whether to heat or stop heating operation according to the program of microcontroller inside; Digital temperature sensor 1DS18B20 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 3 through I/O mouth P1.0, thus realize heating automatically and the control function that is incubated.Control circuit 2 can be accepted external command information through the RS485 interface, 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 (8)
1. intelligent electric controller that has 485 interfaces; It is characterized in that: comprise control circuit, RS485 interface circuit, display, digital temperature sensor and relay circuit; Said digital temperature sensor is connected to the control circuit input end; Display and relay circuit are connected to the control circuit output terminal, are connected with the RS485 interface circuit on the serial port of control circuit.
2. a kind of intelligent electric controller that has 485 interfaces as claimed in claim 1, it is characterized in that: described control circuit is made up of microcontroller.
3. a kind of intelligent electric controller that has 485 interfaces as claimed in claim 2, it is characterized in that: described microcontroller is the 80C51 chip.
4. a kind of intelligent electric controller that has 485 interfaces as claimed in claim 1, it is characterized in that: said digital temperature sensor is made up of the thermometric integrated circuit.
5. a kind of intelligent electric controller that has 485 interfaces as claimed in claim 4, it is characterized in that: said thermometric integrated circuit is the DS18B20 chip.
6. a kind of intelligent electric controller that has 485 interfaces as claimed in claim 1, it is characterized in that: said RS485 interface circuit is made up of the RS485 integrated circuit.
7. a kind of intelligent electric controller that has 485 interfaces as claimed in claim 1, it is characterized in that: said display is made up of the LCD LCD.
8. like each described a kind of intelligent electric controller that has 485 interfaces in the claim 1～7, it is characterized in that: said relay circuit is made up of triode and relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203890740U CN202257311U (en) | 2011-10-13 | 2011-10-13 | Intelligent electric heating controller with 485 interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203890740U CN202257311U (en) | 2011-10-13 | 2011-10-13 | Intelligent electric heating controller with 485 interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202257311U true CN202257311U (en) | 2012-05-30 |
Family
ID=46118525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203890740U Expired - Fee Related CN202257311U (en) | 2011-10-13 | 2011-10-13 | Intelligent electric heating controller with 485 interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202257311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162949A (en) * | 2016-09-13 | 2016-11-23 | 深圳市质能达微电子科技有限公司 | Heater on human body resisting cold product |
-
2011
- 2011-10-13 CN CN2011203890740U patent/CN202257311U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106162949A (en) * | 2016-09-13 | 2016-11-23 | 深圳市质能达微电子科技有限公司 | Heater on human body resisting cold product |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20121013 |