CN213628116U

CN213628116U - Fan intelligence temperature control system

Info

Publication number: CN213628116U
Application number: CN202022573248.0U
Authority: CN
Inventors: 牛立国; 李中君
Original assignee: Shenzhen Flowvia Technology Co ltd
Current assignee: Shenzhen Flowvia Technology Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-06
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a fan intelligence temperature control system, include: temperature acquisition module, temperature switch module, little control module, temperature acquisition module, temperature switch module are connected with little control module electricity respectively, and temperature acquisition module includes thermistor R001, resistance R002, electric capacity C001, and wherein thermistor R001 is parallelly connected with electric capacity C001, and electric capacity C001's one end is connected with resistance R002, and thermistor R001's one end is connected with resistance R002, and electric capacity C001's the other end and thermistor R001's the other end all ground connection, the utility model discloses a provide an intelligent temperature control system, the consumption when saving the environment low temperature reduces the noise that the fan sent out, reduces the fan and rotates the number of times, extension fan life.

Description

Fan intelligence temperature control system

Technical Field

The utility model relates to a fan technical field specifically is a fan intelligence temperature control system.

Background

The fan is called fan for short, also called electric fan and fan blower, it is a kind of domestic electric appliance which uses motor to drive fan blade to rotate so as to make air quickly circulate, and is mainly used for cooling and relieving summer heat and circulating air. The fan is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like, and mainly comprises a fan head, blades, a net cover, a control device and the like. The fan head comprises a motor, front and rear end covers, a head-shaking air supply mechanism and the like. The main part of the electric fan is an alternating current motor, and the working principle of the electric fan is that an electrified coil is stressed in a magnetic field to rotate.

In the prior art, the electric fan usually adopts the main control module to directly open the MOS pipe and supply power for the fan all the time, disperses the heat through the fan to reach the effect of reducing ambient temperature, because need supply power for the fan all the time, so it has the energy consumption height, long-time life is short and big problem of noise in the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan intelligence temperature control system to solve and propose in the above-mentioned background art: the electric fan usually adopts the main control module to directly open the MOS pipe and supply power for the fan all the time, disperses the heat through the fan to reach the effect of reducing ambient temperature, because need supply power for the fan all the time, so it has the energy consumption height, long-time life is short and big noise problem in the use.

In order to achieve the above object, the utility model provides a following technical scheme: a fan smart temperature control system comprising: the temperature acquisition module and the temperature switch module are respectively electrically connected with the micro control module, the temperature acquisition module comprises a thermistor R001, a resistor R002 and a capacitor C001, wherein the thermistor R001 is connected with the capacitor C001 in parallel, one end of the capacitor C001 is connected with the resistor R002, one end of the thermistor R001 is connected with the resistor R002, and the other end of the capacitor C001 and the other end of the thermistor R001 are both grounded; the temperature switch module is including controlling triode Q001, triode Q001's base and resistance R003, resistance R004 series connection ground connection, triode Q001's collecting electrode passes through resistance R005 and is connected with MOS pipe Q002's grid, triode Q001's collecting electrode passes through resistance R006 and is connected with MOS pipe Q002's source electrode.

Preferably, the collector of the triode Q001 is connected to the first end of the capacitor C002 through the resistor R005, the second end of the capacitor C002 is grounded, the first end of the capacitor C003 is connected between the capacitor C002 and the resistor R005, and the second end of the capacitor C003 is grounded.

Preferably, the capacitor C002 is C0402, and the capacitor C003 is C0805.

Preferably, the capacitance value of the capacitor C002 is 0.1 μ F, and the capacitance value of the capacitor C003 is 10 μ F.

Preferably, a pin for outputting a pulse width modulation signal is arranged on the micro control module, and the pin is connected between the resistor R003 and the resistor R004.

Preferably, the micro control module comprises an 8051 single chip microcomputer.

Preferably, the resistor R001, the resistor R002, the resistor R003, the resistor R004 and the resistor R005 are all of R0402, and the capacitor C001 is C0402.

Preferably, the MOS transistor Q002 is of the type SOT 23-100.

Preferably, the capacitance value of the capacitor C001 is 0.1 muF.

Preferably, the resistance value of the resistor R002 is 4.7K Ω, the resistance value of the resistor R003 is 4.7K Ω, the resistance value of the resistor R004 is 10K Ω, the resistance value of the resistor R005 is 100K Ω, and the resistance value of the resistor R006 is 10K Ω.

Compared with the prior art, the utility model discloses a fan intelligence temperature control system has following beneficial effect: through being provided with the temperature of temperature acquisition module collection environment, little control module is according to the temperature data that the collection obtained, according to predetermineeing good linear relation output pulse width modulation control signal FAN _ PWM, through the break-make of control triode Q001, thereby the break-make of control MOS pipe Q002 realizes that the power supply of electric FAN is broken according to ambient temperature's change, reach the consumption when saving the environment low temperature, reduce the noise that the FAN sent out, reduce the FAN and rotate the number of times, extension FAN life's effect.

Drawings

FIG. 1 is a schematic diagram of an overall circuit module of the present invention;

fig. 2 is a schematic circuit diagram of the temperature switch module of the present invention;

fig. 3 is the circuit schematic diagram of the temperature acquisition module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 3, the present invention provides a technical solution: a fan smart temperature control system comprising: the temperature acquisition module and the temperature switch module are respectively electrically connected with the micro control module, the temperature acquisition module comprises a thermistor R001, a resistor R002 and a capacitor C001, wherein the thermistor R001 is connected with the capacitor C001 in parallel, one end of the capacitor C001 is connected with the resistor R002, one end of the thermistor R001 is connected with the resistor R002, and the other end of the capacitor C001 and the other end of the thermistor R001 are both grounded; the temperature switch module is including controlling triode Q001, triode Q001's base and resistance R003, resistance R004 series connection ground connection, triode Q001's collecting electrode passes through resistance R005 and is connected with MOS pipe Q002's grid, triode Q001's collecting electrode passes through resistance R006 and is connected with MOS pipe Q002's source electrode.

Further, the collector of the triode Q001 is connected with the first end of the capacitor C002 through the resistor R005, the second end of the capacitor C002 is grounded, the first end of the capacitor C003 is connected between the capacitor C002 and the resistor R005, and the second end of the capacitor C003 is grounded.

Further, the capacitor C002 is C0402, and the capacitor C003 is C0805.

Further, the capacitance value of the capacitor C002 is 0.1 μ F, and the capacitance value of the capacitor C003 is 10 μ F.

Furthermore, a pin for outputting the pulse width modulation signal is arranged on the micro control module, and the pin is connected between the resistor R003 and the resistor R004.

Further, the micro control module comprises an 8051 single chip microcomputer.

Furthermore, the types of the resistor R001, the resistor R002, the resistor R003, the resistor R004 and the resistor R005 are all R0402, and the type of the capacitor C001 is C0402.

Further, the MOS transistor Q002 is of the type SOT 23-100.

Further, the capacitance value of the capacitor C001 is 0.1 μ F.

Further, the resistance value of the resistor R002 is 4.7K Ω, the resistance value of the resistor R003 is 4.7K Ω, the resistance value of the resistor R004 is 10K Ω, the resistance value of the resistor R005 is 100K Ω, and the resistance value of the resistor R006 is 10K Ω.

In an embodiment of the present invention, the micro control module adopts an 8051 single chip microcomputer, wherein a linear relationship between the FAN speed and the ambient temperature is preset in the micro control module, the micro control module collects the ambient area temperature through the thermistor R001, outputs the pulse width modulation signal FAN _ PWM according to the preset linear relationship, and controls the on/off of the MOS transistor Q002 by controlling the on/off of the triode Q001;

further, when the ambient temperature is low, the micro control module outputs a pulse width modulation signal FAN _ PWM to be a continuous low level, the turn-off of the MOS tube Q002 is controlled by controlling the turn-off of the triode Q001, and the FAN is not powered;

further, when the ambient temperature rises to the preset temperature of the FAN, the micro control module outputs a pulse width modulation signal FAN _ PWM with a small positive duty ratio, when the FAN _ PWM is at a high level, the conduction of the MOS tube Q002 is controlled to supply power to the FAN by controlling the conduction of the triode Q001, and when the FAN _ PWM is at a low level, the disconnection of the MOS tube Q002 is controlled by controlling the disconnection of the triode Q001, and the power is not supplied to the FAN;

with the continuous rise of the environment temperature, the micro-control module outputs a pulse width modulation signal FAN _ PWM duty ratio to be gradually increased, and the FAN starting time is prolonged in one pulse width period; when the ambient temperature is very high, little the control module output pulse width modulation signal FAN _ PWM for lasting high level, thereby little the control module controls switching on of MOS pipe Q002 through switching on of control triode Q001, for the FAN lasts the power supply to the power supply and the outage of intelligent control FAN reach the consumption when saving the environment low temperature, reduce the noise that the FAN sent, reduce FAN rotation number of times, extension FAN life's effect.

The details of the present invention are well known to those skilled in the art.

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.

Claims

1. The utility model provides a fan intelligence temperature control system which characterized in that includes: the temperature acquisition module and the temperature switch module are respectively electrically connected with the micro control module, the temperature acquisition module comprises a thermistor R001, a resistor R002 and a capacitor C001, wherein the thermistor R001 is connected with the capacitor C001 in parallel, one end of the capacitor C001 is connected with the resistor R002, one end of the thermistor R001 is connected with the resistor R002, and the other end of the capacitor C001 and the other end of the thermistor R001 are both grounded; the temperature switch module includes triode Q001, triode Q001's base and resistance R003, resistance R004 series connection ground connection, triode Q001's collecting electrode passes through resistance R005 and MOS pipe Q002's grid connection, triode Q001's collecting electrode passes through resistance R006 and is connected with MOS pipe Q002's source electrode.

2. The intelligent temperature control system for fans of claim 1, wherein the collector of said triode Q001 is connected to the first terminal of a capacitor C002 through a resistor R005, the second terminal of said capacitor C002 is connected to ground, the first terminal of a capacitor C003 is connected between said capacitor C002 and said resistor R005, and the second terminal of said capacitor C003 is connected to ground.

3. The intelligent temperature control system of claim 2, wherein the capacitor C002 is C0402, and the capacitor C003 is C0805.

4. The intelligent temperature control system for fans of claim 2, wherein the capacitance value of said capacitor C002 is 0.1 μ F, and the capacitance value of said capacitor C003 is 10 μ F.

5. The intelligent temperature control system for fans of claim 1, wherein a pin for outputting a pulse width modulation signal is disposed on said micro control module, and said pin is connected between said resistor R003 and said resistor R004.

6. The intelligent temperature control system of a fan of claim 1, wherein the micro-control module comprises an 8051 single-chip microcomputer.

7. The intelligent temperature control system for fans of claim 1, wherein the types of the resistors R001, R002, R003, R004 and R005 are all R0402, and the type of the capacitor C001 is C0402.

8. The intelligent temperature control system for the fan as claimed in claim 1, wherein the MOS transistor Q002 is of type SOT 23-100.

9. The intelligent temperature control system of claim 1, wherein the capacitance value of the capacitor C001 is 0.1 μ F.

10. The intelligent temperature control system for fans of claim 1, wherein the resistance of the resistor R002 is 4.7K Ω, the resistance of the resistor R003 is 4.7K Ω, the resistance of the resistor R004 is 10K Ω, the resistance of the resistor R005 is 100K Ω, and the resistance of the resistor R006 is 10K Ω.