CN103105810A - Control and protection switch controller with temperature detecting function - Google Patents
Control and protection switch controller with temperature detecting function Download PDFInfo
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- CN103105810A CN103105810A CN 201210460947 CN201210460947A CN103105810A CN 103105810 A CN103105810 A CN 103105810A CN 201210460947 CN201210460947 CN 201210460947 CN 201210460947 A CN201210460947 A CN 201210460947A CN 103105810 A CN103105810 A CN 103105810A
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- switch controller
- control
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Abstract
The invention discloses a control and protection switch controller with a temperature detecting function. The control and protection switch controller with the temperature detecting function comprises a printed circuit board (PCB), a temperature detecting device, an input device, an output device, a singlechip, a memorizer and a wiring end, wherein the temperature detecting device is arranged on the PCB; and the input device, the output device, the singlechip, the memorizer and the wiring end are electrically connected through the PCB. The temperature detecting device comprises a temperature signal detection circuit and a temperature signal amplifying circuit, wherein an input end of the temperature signal amplifying circuit is connected with the temperature signal detection circuit, and an output end of the temperature signal amplifying circuit is connected with the singlechip. According to the control and protection switch controller with the temperature detecting function, the temperature of electric equipment can be detected in real time. The control and protection switch controller with the temperature detecting function can cut off a circuit or give an alarm when the temperature is over the alarm value set by the control and protection switch controller, and therefore the occurrence of electrical fire from the source is prevented.
Description
Technical field
The present invention relates to a kind of control and protective switch controller, relate in particular to a kind of control and protective switch controller with temperature detecting function.
Background technology
The control and protective switch controller has far distance automatic controlling and manpower on the spot and controls the function that the mode that has concurrently is carried out control operation; time meta-current protection characteristic with cooperation; have control with protection from movingly, the function of operation continuously after short circuit, can realize the control and protection to motor load, distribution load.But; traditional control and protective switch controller only has the overload long delay; short circuit short time-delay; short circuit is instantaneous, undercurrent, three-phase imbalance; the basic control functions such as overvoltage/undervoltage protection; can't the real time temperature of main line and consumer be detected, cause consumer to cause fire because of excess Temperature, can not comprehensively bring protection to electric fault.
Summary of the invention
For above-mentioned technical matters; the object of the present invention is to provide a kind of control and protective switch controller with temperature detecting function; it can detect in real time to the temperature of consumer; during the alarming value that sets higher than the control and protective switch controller when temperature; with disconnecting circuit or warning, prevent the generation of electrical fire from the source.
For reaching this purpose, the present invention by the following technical solutions:
A kind of control and protective switch controller with temperature detecting function; it comprises pcb board, is arranged at temperature-detecting device and the input media that is electrically connected by pcb board, output unit, single-chip microcomputer, storer and terminals on pcb board; described temperature-detecting device comprises temperature signal testing circuit and temperature signal amplifying circuit; the input end of described temperature signal amplifying circuit connects the temperature signal testing circuit, and its output terminal connects single-chip microcomputer.
especially, described temperature signal testing circuit comprises temperature sensor, the first resistance and the second resistance, and described temperature signal amplifying circuit comprises operational amplifier, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance, wherein, one end ground connection of described temperature sensor, the other end and the node after an end of the first resistance is connected connect an end of the second resistance, the other end of described the first resistance connects power supply, the input end in the same way of another termination operational amplifier of described the second resistance, the reverse input end of described operational amplifier and the node after an end of the 3rd resistance is connected connect an end of the 4th resistance, the other end of described the 4th resistance and the node after the output terminal of operational amplifier is connected connect the input end of single-chip microcomputer, the other end of described the 3rd resistance connects an end of the 5th resistance, one end of the 6th resistance, the other end ground connection of described the 5th resistance, the other end of described the 6th resistance is connected with described power supply.
Especially, described input media is several buttons.
Especially, described temperature signal testing circuit also comprises the first electric capacity, one end ground connection, and the other end is connected with the input end in the same way of operational amplifier.
Especially, described output unit comprises pilot lamp and LCDs.
Especially, described temperature signal amplifying circuit also comprises the second electric capacity and the 7th resistance, one end of described the second electric capacity and node concatenation operation amplifier after described power supply is connected, other end ground connection, one end of described the 7th resistance is connected with described power supply, the output terminal of other end concatenation operation amplifier.
The present invention detects in real time by the temperature of temperature-detecting device to consumer, during the alarming value that sets higher than the control and protective switch controller when temperature, with disconnecting circuit or warning, prevents the generation of electrical fire from the source.
Description of drawings
Fig. 1 is the control and protective switch controller front elevation with temperature detecting function that the embodiment of the present invention provides.
Fig. 2 is the control and protective switch controller rear view with temperature detecting function that the embodiment of the present invention provides;
Fig. 3 is the control and protective switch controller side view with temperature detecting function that the embodiment of the present invention provides;
Fig. 4 is the temperature-detecting device circuit diagram that the embodiment of the present invention provides.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the invention will be further described below in conjunction with drawings and Examples.
Please refer to Fig. 1, Fig. 2 and shown in Figure 3; the control and protective switch controller that has temperature detecting function in the present embodiment comprises: pcb board 1, the input media, output unit, single-chip microcomputer 6, storer 7 and the terminals 8 that are arranged at the temperature-detecting device 5 on pcb board 1 and are electrically connected by pcb board 1; described temperature-detecting device 5 comprises temperature signal testing circuit and temperature signal amplifying circuit; the input end of described temperature signal amplifying circuit connects the temperature signal testing circuit, and its output terminal connects single-chip microcomputer.Described input media is three buttons 2, and described output unit comprises LCDs 3 and two pilot lamp 4.
As shown in Figure 4, described temperature signal testing circuit comprises temperature sensor PT, the first resistance R 1, the second resistance R 2 and the first capacitor C 1, and described temperature signal amplifying circuit comprises operational amplifier UA, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7 and the second capacitor C 2.
wherein, the end ground connection GND of described temperature sensor PT, the other end and the node after an end of the first resistance R 1 is connected connect an end of the second resistance R 2, the other end of described the first resistance R 1 connects power supply VCC, the input end in the same way of another termination operational amplifier UA of described the second resistance R 2, the reverse input end of described operational amplifier UA and the node after an end of the 3rd resistance R 3 is connected connect an end of the 4th resistance R 4, the other end of described the 4th resistance R 4 and the node after the output terminal of operational amplifier UA is connected connect the input end of single-chip microcomputer, the other end of described the 3rd resistance R 3 connects an end of the 5th resistance R 5, one end of the 6th resistance R 6, the other end ground connection GND of described the 5th resistance R 5, the other end of described the 6th resistance R 6 is connected with described power supply VCC.One end ground connection GND of described the first capacitor C 1, the other end is connected with the input end in the same way of operational amplifier UA.One end of described the second capacitor C 2 and node concatenation operation amplifier UA after described power supply VCC is connected, other end ground connection GND, an end of described the 7th resistance R 7 is connected with described power supply VCC, the output terminal of other end concatenation operation amplifier UA.
The course of work of the present invention is as follows: power supply VCC selects the power supply of 5V, and the resistance of temperature sensor PT can change along with temperature variation.The first resistance R 1 is connected with temperature sensor PT and is formed bleeder circuit, temperature sensor PT receives the input end in the same way of operational amplifier UA by the magnitude of voltage that the temperature of the consumer that samples forms through the second resistance R 2, operational amplifier UA exports to the single-chip microcomputer processing with described magnitude of voltage after amplifying processing, thereby obtains the real time temperature of consumer.During lower than the protection value set, temperature-detecting device 5 will detect the temperature of consumer again when this temperature, and during higher than the alarming value set, single-chip microcomputer will be protected output, disconnecting circuit or warning when this temperature.
Technical scheme of the present invention can detect in real time to the temperature of consumer, during the alarming value that sets higher than the control and protective switch controller when temperature, with disconnecting circuit or warning, prevents the generation of electrical fire from the source.
Above-mentioned is only preferred embodiment of the present invention and institute's application technology principle, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses, and the variation that can expect easily or replacement all should be encompassed in protection scope of the present invention.
Claims (6)
1. control and protective switch controller with temperature detecting function; it is characterized in that; comprise pcb board, be arranged at temperature-detecting device and the input media that is electrically connected by pcb board, output unit, single-chip microcomputer, storer and terminals on pcb board; described temperature-detecting device comprises temperature signal testing circuit and temperature signal amplifying circuit; the input end of described temperature signal amplifying circuit connects the temperature signal testing circuit, and its output terminal connects single-chip microcomputer.
2. the control and protective switch controller with temperature detecting function according to claim 1, it is characterized in that, described temperature signal testing circuit comprises temperature sensor, the first resistance and the second resistance, and described temperature signal amplifying circuit comprises operational amplifier, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance, wherein, one end ground connection of described temperature sensor, the other end and the node after an end of the first resistance is connected connect an end of the second resistance, the other end of described the first resistance connects power supply, the input end in the same way of another termination operational amplifier of described the second resistance, the reverse input end of described operational amplifier and the node after an end of the 3rd resistance is connected connect an end of the 4th resistance, the other end of described the 4th resistance and the node after the output terminal of operational amplifier is connected connect the input end of single-chip microcomputer, the other end of described the 3rd resistance connects an end of the 5th resistance, one end of the 6th resistance, the other end ground connection of described the 5th resistance, the other end of described the 6th resistance is connected with described power supply.
3. the control and protective switch controller with temperature detecting function according to claim 2, is characterized in that, described input media is several buttons.
4. the control and protective switch controller with temperature detecting function according to claim 3, is characterized in that, described temperature signal testing circuit also comprises the first electric capacity, one end ground connection, and the other end is connected with the input end in the same way of operational amplifier.
5. the control and protective switch controller with temperature detecting function according to claim 4, is characterized in that, described output unit comprises pilot lamp and LCDs.
6. the control and protective switch controller with temperature detecting function according to claim 5; it is characterized in that; described temperature signal amplifying circuit also comprises the second electric capacity and the 7th resistance; one end of described the second electric capacity and node concatenation operation amplifier after described power supply is connected; other end ground connection; one end of described the 7th resistance is connected with described power supply, the output terminal of other end concatenation operation amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210460947 CN103105810A (en) | 2012-11-15 | 2012-11-15 | Control and protection switch controller with temperature detecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210460947 CN103105810A (en) | 2012-11-15 | 2012-11-15 | Control and protection switch controller with temperature detecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103105810A true CN103105810A (en) | 2013-05-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210460947 Pending CN103105810A (en) | 2012-11-15 | 2012-11-15 | Control and protection switch controller with temperature detecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103105810A (en) |
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2012
- 2012-11-15 CN CN 201210460947 patent/CN103105810A/en active Pending
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130515 |