阅读说明：本技术 一种温控调压模块 (Temperature control and pressure regulation module ) 是由 钟婵 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种温控调压模块,包括微控制器、可控硅调压模块、整流稳压模块、输入接口以及输出接口；所述输入接口连接微控制器,所述微控制器连接可控硅调压模块,所述可控硅调压模块连接整流稳压模块,所述整流稳压模块连接输出接口；所述输入接口连接温控线,所述输出端口连接负载。所述输入接口与微控制器之间设有发光二极管。本发明通过发光二极管指示温控参数并通过可控硅调压模块进行调压,以整流稳压模块进行交流变直流并进行稳压,提升输出电压的稳定性,降低电路的功耗。(The invention discloses a temperature control and voltage regulation module, which comprises a microcontroller, a silicon controlled voltage regulation module, a rectification and voltage regulation module, an input interface and an output interface, wherein the input interface is connected with the microcontroller; the input interface is connected with a microcontroller, the microcontroller is connected with a silicon controlled voltage regulating module, the silicon controlled voltage regulating module is connected with a rectification voltage stabilizing module, and the rectification voltage stabilizing module is connected with an output interface; the input interface is connected with a temperature control line, and the output port is connected with a load. And a light emitting diode is arranged between the input interface and the microcontroller. The invention indicates temperature control parameters through the light emitting diode and adjusts the voltage through the silicon controlled voltage adjusting module, and the rectifying and voltage stabilizing module carries out alternating current to direct current and stabilizes the voltage, thereby improving the stability of output voltage and reducing the power consumption of the circuit.)

1. The utility model provides a temperature control pressure regulating module which characterized in that: the system comprises a microcontroller (1), a silicon controlled voltage regulating module (2), a rectifying and voltage stabilizing module (3), an input interface (4) and an output interface (5);

the input interface (4) is connected with the microcontroller (1), the microcontroller (1) is connected with the silicon controlled voltage regulating module (2), the silicon controlled voltage regulating module (2) is connected with the rectification voltage stabilizing module (3), and the rectification voltage stabilizing module (3) is connected with the output interface (5);

the input interface (4) is connected with a temperature control line, and the output port is connected with a load.

2. The temperature-control voltage-regulating module according to claim 1, characterized in that: the microcontroller (1) is of type N76E003AT 20.

3. The temperature-control voltage-regulating module according to claim 1, characterized in that: the rectifying and voltage-stabilizing module (3) comprises a rectifying circuit (6) and a voltage-stabilizing circuit (7), the rectifying circuit (6) adopts an MB6S rectifying bridge and an SDH8302S chip, and then a filter circuit is combined to convert alternating current into direct current, and the voltage-stabilizing circuit (7) adopts a 78L05 chip to stabilize voltage.

4. The temperature-control voltage-regulating module according to claim 1, characterized in that: the silicon controlled voltage regulating module (2) comprises an MOC3022 light-triggered silicon controlled chip, a BAT41600B bidirectional silicon controlled voltage regulator and an RC circuit.

5. The temperature-control voltage-regulating module according to claim 1, characterized in that: and a light emitting diode (8) is arranged between the input interface (4) and the microcontroller (1).

Technical Field

The invention relates to the technical field of voltage regulating circuits, in particular to a temperature control and voltage regulating module.

Background

With the development of control technology, the method is widely used in more and more fields. The temperature control circuit is also a common circuit for controlling according to temperature, and the essence is to adjust the magnitude of the output voltage value according to the magnitude of the input temperature parameter.

The existing temperature and voltage control technologies are based on FPGA (Field-programmable gate array) or cpu (central processing unit). In the aspect of hardware, a temperature sensor is added on the periphery to realize the acquisition of temperature data, and the output voltage is regulated through a nickel wire heating thermal resistor. The voltage amplitude is controlled by detecting the resistance value of the thermal resistor in software. The temperature control system has high power consumption and large ripple, so that the stability of the system is poor, and the cost of the system is high. Therefore, it becomes impractical in some scenarios where the system stability requirement is high and the system power consumption overhead is strictly limited.

Disclosure of Invention

The invention aims to provide a temperature control voltage regulating circuit with high stability and low system power consumption.

In order to achieve the purpose, the technical scheme provided by the invention is as follows: a temperature control and voltage regulation module comprises a microcontroller, a silicon controlled voltage regulation module, a rectification and voltage regulation module, an input interface and an output interface;

the input interface is connected with a microcontroller, the microcontroller is connected with a silicon controlled voltage regulating module, the silicon controlled voltage regulating module is connected with a rectification voltage stabilizing module, and the rectification voltage stabilizing module is connected with an output interface;

the input interface is connected with a temperature control line, and the output port is connected with a load.

Further, the microcontroller is of a model number N76E003AT 20.

Further, the rectification and voltage stabilization module comprises a rectification circuit and a voltage stabilization circuit, the rectification circuit adopts an MB6S rectification bridge and an SDH8302S chip and combines a filter circuit to convert alternating current into direct current, and the voltage stabilization circuit adopts a 78L05 chip to stabilize voltage.

Further, the silicon controlled voltage regulating module comprises an MOC3022 light-triggered silicon controlled chip, a BAT41600B bidirectional silicon controlled voltage regulator and an RC circuit.

Furthermore, a light emitting diode is arranged between the input interface and the microcontroller.

Compared with the prior art, the invention has the advantages that: the invention indicates temperature control parameters through the light emitting diode and adjusts the voltage through the silicon controlled voltage adjusting module, and the rectifying and voltage stabilizing module carries out alternating current to direct current and stabilizes the voltage, thereby improving the stability of output voltage and reducing the power consumption of the circuit.

Drawings

FIG. 1 is a system framework diagram of a temperature and pressure control module according to the present invention.

Fig. 2 is a schematic circuit diagram of a temperature control and voltage regulation module according to the present invention.

FIG. 3 is a temperature-versus-speed line graph of the fan speed of the present invention with the fan as the load and with the output voltage adjusted at different temperatures.

As shown in the figure: 1. the LED driving circuit comprises a microcontroller, 2, a silicon controlled voltage regulating module, 3, a rectification voltage stabilizing module, 4, an input interface, 5, an output interface, 6, a rectification circuit, 7, a voltage stabilizing circuit, 8 and a light emitting diode.

Detailed Description

The temperature control and pressure regulation module of the present invention will be further described in detail with reference to the accompanying drawings.

The present invention will be described in detail with reference to the accompanying fig. 1 to 3.

A temperature control and voltage regulation module comprises a microcontroller 1, a silicon controlled voltage regulation module 2, a rectification and voltage regulation module 3, an input interface 4 and an output interface 5;

the input interface 4 is connected with the microcontroller 1, the microcontroller 1 is connected with the silicon controlled voltage regulating module 2, the silicon controlled voltage regulating module 2 is connected with the rectification voltage stabilizing module 3, and the rectification voltage stabilizing module 3 is connected with the output interface 5;

the input interface 4 is connected with a temperature control line, and the output port is connected with a load.

The microcontroller 1 is of type N76E003AT 20.

The rectifying and voltage-stabilizing module 3 comprises a rectifying circuit 6 and a voltage-stabilizing circuit 7, the rectifying circuit 6 adopts an MB6S rectifying bridge and an SDH8302S chip and then combines a filter circuit to convert alternating current into direct current, and the voltage-stabilizing circuit 7 adopts a 78L05 chip to stabilize voltage.

The silicon controlled voltage regulating module 2 comprises an MOC3022 light-triggered silicon controlled chip, a BAT41600B bidirectional silicon controlled voltage regulator and an RC circuit.

And a light emitting diode 8 is arranged between the input interface 4 and the microcontroller 1.

The specific implementation process of the temperature control and pressure regulation module is as follows:

according to the invention, the output voltage is adjusted through the silicon controlled rectifier according to the acquired external temperature, so that the rotating speed of the load (fan) is adjusted.

The input interface 4 is connected with a temperature control line, the light emitting diode 8 emits light with different brightness degrees according to the input parameter value of the temperature control line after the temperature control line is connected, the silicon controlled voltage regulating module 2 detects the brightness value of the light emitting diode 8 to regulate the output voltage value, the regulated voltage is converted into direct current through the rectifying circuit 6, the direct current is output from the output interface 5 after being stabilized by the voltage stabilizing circuit 7, and the output interface 5 is connected with a load.

The load is exemplified by a fan:

the applicable temperature range is-20 to 65 ℃; humidity range: max.90% RH.

The input interface 4 is connected with two temperature control lines, the detected temperatures of the two temperature control lines are respectively T1 and T2, and the two temperature control lines are respectively connected with the corresponding light emitting diodes 8.

When T1 is more than or equal to 45 ℃, the rotating speed of the load (fan) is 100 percent;

speed regulation is carried out according to T2 when T1 is less than 45 ℃.

The default detection temperature is 0 ℃ when T1 is not connected, and 100 ℃ when T2 is not connected.

The experimental results show that the output curves of the corresponding fan speeds at different temperatures are shown in fig. 3.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.