CN214896348U

CN214896348U - Temperature control feedback system based on USB

Info

Publication number: CN214896348U
Application number: CN202121326752.9U
Authority: CN
Inventors: 王懋; 秦华; 斯钦; 姜男
Original assignee: Suzhou Institute of Nano Tech and Nano Bionics of CAS
Current assignee: Suzhou Institute of Nano Tech and Nano Bionics of CAS
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-11-26
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a control by temperature change feedback system based on USB, the system includes temperature sensor, USB interface, power and main control board, temperature sensor heat conduction is installed on low pressure electron device, the power passes through USB interface and low pressure electron device electric connection for low pressure electron device supplies power, the main control board passes through USB interface and temperature sensor electric connection to acquire the temperature of temperature sensor feedback, the main control board is adjusted the voltage and/or the electric current of low pressure electron device according to the temperature of temperature sensor feedback. The utility model discloses can be according to the power of low pressure electron device's temperature automatically regulated low pressure electron device, circuit structure is simple, has improved low pressure electron device's life greatly.

Description

Temperature control feedback system based on USB

Technical Field

The utility model belongs to the technical field of the electron, concretely relates to control by temperature change feedback system based on USB.

Background

Low-voltage electronic devices such as heating material devices, LED chips, lasers, semiconductor refrigeration chips, CMOS chips and the like work in a constant-voltage mode for a long time, and because the devices can generate certain heat, the devices can work in a high-temperature environment for a long time, and the performance and the service life of the devices can be influenced.

Therefore, in view of the above technical problems, it is necessary to provide a USB-based temperature control feedback system.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a temperature control feedback system based on USB, which can automatically adjust the device power according to the heat generated by the low voltage electronic device, thereby prolonging the service life of the low device.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a control by temperature change feedback system based on USB, the system includes temperature sensor, USB interface, power and main control board, temperature sensor heat conduction is installed on low pressure electron device, the power passes through USB interface and low pressure electron device electric connection, for supplying power to the low pressure electron device, the main control board passes through USB interface and temperature sensor electric connection to acquire the temperature that the temperature sensor feedbacks, the main control board is adjusted the voltage and/or the electric current of low pressure electron device according to the temperature that the temperature sensor feedbacks.

In one embodiment, the USB interface includes a first port and a second port electrically connected to the low-voltage electronic device, and a third port and a fourth port electrically connected to the temperature sensor.

In one embodiment, the main control board is electrically connected between the first port and a first electrode of the power supply, and the second port is electrically connected with a second electrode of the power supply.

In one embodiment, the temperature sensor is a contact sensor.

In one embodiment, the temperature sensor is one or more of a thermocouple, a thermistor and a platinum resistor.

In one embodiment, the main control board comprises an embedded single chip microcomputer, a boosting circuit, a voltage reduction circuit, a timer and a feedback circuit.

In one embodiment, the power source is a lithium battery.

In one embodiment, the power source is a polymer battery, a graphene battery, or a 18650 battery.

In one embodiment, the low-voltage electronic device comprises a heating material device, an LED chip, a laser, a semiconductor refrigeration chip and a CMOS chip.

In one embodiment, the operating voltage of the low-voltage electronic device is 0-24V.

The utility model discloses following beneficial effect has:

the utility model discloses can be according to the power of low pressure electron device's temperature automatically regulated low pressure electron device, circuit structure is simple, has improved low pressure electron device's life greatly.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic diagram of a temperature control feedback system according to an embodiment of the present invention;

fig. 2 is a time-temperature graph of the constant temperature regulated low voltage electronic device voltage in an embodiment of the present invention;

fig. 3 is a time-temperature graph of the voltage of a dynamic temperature regulation low voltage electronic device in an embodiment of the present invention.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a temperature control feedback system based on USB is disclosed, which includes a temperature sensor 10, a USB interface 20, a power supply 30 and a main control board 40.

The temperature control feedback system in the embodiment is applied to the low-voltage electronic device 50, including but not limited to a heating material device, an LED chip, a laser, a semiconductor refrigeration chip, a CMOS chip, and the like, and preferably, the operating voltage of the low-voltage electronic device is 0-24V.

Specifically, the temperature sensor 10 in the present embodiment is thermally conductively mounted on the low voltage electronics 50, and the temperature sensor 10 in the present embodiment is a contact sensor, preferably one or more of a thermocouple, a thermistor, a platinum resistor, and the like.

The main control board 30 includes embedded singlechip, boost circuit, step-down circuit, timer, feedback circuit etc. and the principle, the relation of connection and the control procedure that relates to of singlechip and other control circuit are prior art's conventional technical means, the utility model discloses in no longer describe repeatedly.

The power source 40 is a lithium battery, preferably a polymer battery, a graphene battery, a 18650 battery, or the like.

The USB interface 20 includes four ports, which are a first port (VCC)21, a second port (GND)22, a third port (D +)23, and a fourth port (D-)24, where the first port (VCC) and the second port (GND) are electrically connected to two electrodes of the low-voltage electronic device 50, and the third port (D +) and the fourth port (D-) are electrically connected to the temperature sensor.

In addition, the USB interface 20, the power supply 30 and the main control board 40 form a control loop, the main control board 40 is electrically connected between the first port (VCC)21 and the first electrode (positive electrode) of the power supply 40, and the second port (GND)22 is electrically connected to the second electrode (negative electrode) of the power supply 40.

The temperature of the low-voltage electronic device 50 can be acquired through the temperature sensor 10, the information can be fed back to the main control board 40 through the USB interface, and the main control board 40 can adjust the voltage and/or the current of the low-voltage electronic device 50 according to the temperature fed back by the temperature sensor 10, so that the automatic adjustment of the power of the low-voltage electronic device is realized.

Referring to fig. 2, a time-temperature curve diagram of the voltage of the constant temperature-regulated low-voltage electronic device in the embodiment is shown, and the working temperature of the low-voltage electronic device can be controlled to be about 85 ℃ through the constant temperature regulation; referring to fig. 3, a time-temperature curve diagram of the voltage of the low-voltage electronic device with dynamic temperature adjustment in this embodiment is shown, and the working temperature of the low-voltage electronic device can be controlled to be about 62-78 ℃ through the dynamic temperature adjustment.

According to the technical scheme, the utility model has the advantages of it is following:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a control by temperature change feedback system based on USB, its characterized in that, the system includes temperature sensor, USB interface, power and main control board, temperature sensor heat conduction is installed on low pressure electron device, the power passes through USB interface and low pressure electron device electric connection, for supplying power to the low pressure electron device, the main control board passes through USB interface and temperature sensor electric connection to acquire the temperature of temperature sensor feedback, the main control board is adjusted the voltage and/or the electric current of low pressure electron device according to the temperature of temperature sensor feedback.

2. The USB based temperature control feedback system according to claim 1, wherein the USB interface comprises a first port and a second port electrically connected to the low voltage electronics, and a third port and a fourth port electrically connected to the temperature sensor.

3. The USB based temperature control feedback system according to claim 2, wherein the main control board is electrically connected between the first port and a first electrode of a power supply, and the second port is electrically connected to a second electrode of the power supply.

4. The USB based temperature control feedback system according to claim 1, wherein the temperature sensor is a contact sensor.

5. The USB based temperature control feedback system according to claim 4, wherein the temperature sensor is one or more of a thermocouple, a thermistor, and a platinum resistor.

6. The USB-based temperature control feedback system according to claim 1, wherein the main control board comprises an embedded single chip microcomputer, a voltage boosting circuit, a voltage reducing circuit, a timer and a feedback circuit.

7. The USB based temperature control feedback system according to claim 1, wherein the power source is a lithium battery.

8. The USB based temperature control feedback system according to claim 1, wherein the power source is a polymer battery, a graphene battery, or a 18650 battery.

9. The USB based temperature control feedback system according to claim 1, wherein the low voltage electronic device comprises a heat generating material device, an LED chip, a laser, a semiconductor cooling chip, a CMOS chip.

10. The USB based temperature control feedback system according to claim 1, wherein the operating voltage of the low voltage electronic device is 0-24V.