CN219993976U - Fan circuit capable of dynamically adjusting air quantity and device thereof - Google Patents

Fan circuit capable of dynamically adjusting air quantity and device thereof Download PDF

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Publication number
CN219993976U
CN219993976U CN202321015683.9U CN202321015683U CN219993976U CN 219993976 U CN219993976 U CN 219993976U CN 202321015683 U CN202321015683 U CN 202321015683U CN 219993976 U CN219993976 U CN 219993976U
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fan
signal
circuit
signal transmission
voltage
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CN202321015683.9U
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陈妙胜
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Shenzhen Aikuli Technology Co ltd
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Shenzhen Aikuli Technology Co ltd
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Abstract

The utility model provides a fan device capable of dynamically adjusting air quantity, which comprises a first fan circuit and a second fan circuit, wherein the first fan circuit comprises a first power supply, a first booster circuit, a first control circuit, a first signal transmission end and a first fan wheel, the second fan circuit comprises a second power supply, a second booster circuit, a second control circuit, a second signal transmission end and a second fan wheel, and the first signal transmission end is electrically connected with the second signal transmission end. The first signal transmission end is arranged on the first fan circuit, the second signal transmission end is arranged on the second fan circuit, and the first signal transmission end and the second signal transmission end are electrically connected, so that integral air volume superposition of the fan can be realized; meanwhile, the dynamic synchronous adjustment of the gear between the first fan circuit and the second fan circuit can be controlled by one of the fan controllers, so that the fan can perform a plurality of local cooling on objects with larger area or more dimensions according to different air volume requirements.

Description

Fan circuit capable of dynamically adjusting air quantity and device thereof
Technical Field
The utility model relates to the technical field of fans, in particular to a fan circuit capable of dynamically adjusting air quantity and a device thereof.
Background
The fan is a household appliance which utilizes a motor to drive fan blades to rotate so as to achieve the purpose of accelerating circulation of air, is mainly used for cooling and relieving summer heat and circulating air, is generally used as a single fan, is held in hands or is vertically placed in a space so as to achieve the effect of reducing the surface temperature of an object or a human body, is single in use mode, is limited to a single local area, and cannot achieve a good cooling effect for objects with larger area or more dimensions; there are also schemes for using multiple fans, but the schemes for using multiple fans are mainly used for providing compensation for total air volume when a fan is abnormal and cannot work normally, for example, patent No. 201921358501.1 discloses a fan system for ensuring normal operation of electronic components or electronic devices, which includes: when the status signal of one of the fans is abnormal, the main controller controls at least one of the other normal fans to accelerate to run so as to compensate the air quantity, so that the heat source of the electronic element or the electronic device can dissipate, the application scene is single, the fan is not suitable for the application scene requiring the adjustment of the fan gear, and the diversified requirements cannot be met.
Therefore, how to provide a fan device that can achieve a better cooling effect for objects with larger area or more dimensions and is suitable for the requirements of different application scenarios is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
In view of this, the present utility model provides a fan device capable of dynamically adjusting air volume, wherein the fan device is capable of realizing the integral air volume superposition of a fan by arranging a first signal transmission end on a first fan circuit and a second signal transmission end on a second fan circuit, and electrically connecting the first signal transmission end and the second signal transmission end; meanwhile, the dynamic synchronous adjustment of the gear between the first fan circuit and the second fan circuit can be controlled by one of the fan controllers, so that the fan can perform a plurality of local cooling on objects with larger area or more dimensions according to different air volume requirements, and different application scene requirements are met.
In a first aspect, the present utility model provides a fan circuit capable of dynamically adjusting air volume, comprising a first fan circuit and a second fan circuit,
the first fan circuit comprises a first power supply, a first booster circuit, a first control circuit, a first signal transmission end and a first fan wheel, wherein the first power supply is electrically connected with the first booster circuit and the first signal transmission end, the first booster circuit is electrically connected with the first control circuit and the first fan wheel, and the first control circuit is electrically connected with the first signal transmission end;
the second fan circuit comprises a second power supply, a second booster circuit, a second control circuit, a second signal transmission end and a second fan wheel, wherein the second power supply is electrically connected with the second booster circuit and the second signal transmission end, the second booster circuit is electrically connected with the second control circuit and the second fan wheel, and the second control circuit is electrically connected with the second signal transmission end;
the first signal transmission end is electrically connected with the second signal transmission end;
the first signal transmission end is used for acquiring a first voltage gear signal transmitted by the second signal transmission end and sending the first voltage gear signal to the first control circuit, the first control circuit is used for acquiring the first voltage gear signal and comparing the first voltage gear signal with a current second voltage gear signal of the first fan circuit, a third voltage gear adjusting signal is output to the first boost circuit according to a comparison result, and the first boost circuit is used for acquiring the third voltage gear adjusting signal, carrying out voltage gear adjustment according to the third voltage gear adjusting signal and sending a fourth voltage gear output signal after the voltage gear adjustment to the first fan wheel, and the first fan wheel is used for acquiring the fourth voltage gear output signal and carrying out movement state adjustment of the first fan wheel according to the fourth voltage gear output signal;
the second signal transmission end is used for acquiring a second voltage gear signal transmitted by the first signal transmission end and sending the second voltage gear signal to the second control circuit, the second control circuit is used for acquiring the second voltage gear signal and comparing the second voltage gear signal with a current first voltage gear signal of the second fan circuit, a fifth voltage gear adjusting signal is output to the second booster circuit according to a comparison result, and the second booster circuit is used for acquiring the fifth voltage gear adjusting signal, carrying out voltage gear adjustment according to the fifth voltage gear adjusting signal and sending a sixth voltage gear output signal after the voltage gear adjustment to the second fan wheel, and the second fan wheel is used for acquiring the sixth voltage gear output signal and carrying out movement state adjustment of the second fan wheel according to the sixth voltage gear output signal.
Further, the first power supply comprises a first external power supply and/or a first built-in power supply.
Further, the second power supply includes a second external power supply and/or a second internal power supply.
Further, the first signal transmission end comprises a first serial port signal transmission interface, the second signal transmission end comprises a second serial port signal transmission interface, and the first serial port signal transmission interface is electrically connected with the second serial port signal transmission interface.
Further, the first signal transmission end comprises a USART end, a GND end, a BAT end and a VIN end.
Further, the second signal transmission end comprises a USART end, a GND end, a BAT end and a VIN end.
Further, the USART end, the GND end, the BAT end, and the VIN end of the first signal transmission end are respectively and electrically connected with the USART end, the GND end, the BAT end, and the VIN end of the second signal transmission end.
Further, the first signal transmission end comprises a first magnetic attraction contact, the second signal transmission end comprises a second magnetic attraction contact, and the first magnetic attraction contact is electrically connected with the second magnetic attraction contact.
In a second aspect, the present utility model also provides a fan device capable of dynamically adjusting an air volume, including a fan circuit capable of dynamically adjusting an air volume as described in any one of the first aspects.
Compared with the prior art, the fan circuit capable of dynamically adjusting the air quantity and the device thereof have the following beneficial effects: the first signal transmission end is arranged on the first fan circuit, the second signal transmission end is arranged on the second fan circuit, and the first signal transmission end and the second signal transmission end are electrically connected, so that integral air volume superposition of the fan can be realized; meanwhile, the first fan circuit obtains a first voltage gear signal of the second fan circuit through the first signal transmission end, compares the first voltage gear signal with a current second voltage gear signal of the first fan circuit, adjusts the motion state of a fan wheel driving the first fan circuit according to a comparison result, obtains a second voltage gear signal of the first fan circuit through the second signal transmission end of the second fan circuit, compares the second voltage gear signal with the current first voltage gear signal of the second fan circuit, adjusts the motion state of the fan wheel driving the second fan circuit according to the comparison result, and can realize bidirectional dynamic synchronous adjustment of the voltage between the first fan circuit and the second fan circuit, so that the gears among fans can realize dynamic synchronous adjustment, and the fans can realize a plurality of partial cooling on objects with larger area or more dimension according to different air volume requirements, thereby meeting different application requirements.
Drawings
FIG. 1 is a schematic diagram of a fan circuit capable of dynamically adjusting air volume according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a fan circuit capable of dynamically adjusting air volume according to another embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a fan device capable of dynamically adjusting air volume according to an embodiment of the present utility model.
Detailed Description
For better understanding of the objects, structures, features, and effects of the present utility model, a fan circuit capable of dynamically adjusting air volume and an apparatus thereof will be further described with reference to the accompanying drawings and detailed description.
Fig. 1 is a schematic structural diagram of a fan circuit capable of dynamically adjusting air volume according to an embodiment of the utility model. The fan circuit capable of dynamically adjusting the air volume of the present embodiment includes a first fan circuit 200 and a second fan circuit 300,
the first fan circuit 200 includes a first fan wheel 101, a first booster circuit 102, a first power supply 103, a first control circuit 104, and a first signal transmission end 105, where the first power supply 103 is electrically connected to the first booster circuit 102 and the first signal transmission end 105, the first booster circuit 102 is electrically connected to the first control circuit 104 and the first fan wheel 101, and the first control circuit 104 is electrically connected to the first signal transmission end 105;
the second fan circuit 300 includes a second fan wheel 201, a second boost circuit 202, a second power supply 203, a second control circuit 204, and a second signal transmission end 205, where the second power supply 203 is electrically connected to the second boost circuit 202 and the second signal transmission end 205, the second boost circuit 202 is electrically connected to the second control circuit 204 and the second fan wheel 201, and the second control circuit 204 is electrically connected to the second signal transmission end 205;
the first signal transmission terminal 105 is electrically connected to the second signal transmission terminal 205;
the first signal transmission end 105 is configured to obtain a first voltage gear signal transmitted by the second signal transmission end 205 and send the first voltage gear signal to the first control circuit 104, the first control circuit 104 is configured to obtain the first voltage gear signal and compare the first voltage gear signal with a current second voltage gear signal of the first fan circuit 200, output a third voltage gear adjustment signal to the first boost circuit 102 according to a comparison result, and the first boost circuit 102 is configured to obtain the third voltage gear adjustment signal, perform voltage gear adjustment according to the third voltage gear adjustment signal, and send a fourth voltage gear output signal after the voltage gear adjustment to the first fan wheel 101, where the first fan wheel 101 is configured to obtain the fourth voltage gear output signal and perform motion state adjustment of the first fan wheel 101 according to the fourth voltage gear output signal;
the second signal transmission end 205 is configured to obtain a second voltage range signal transmitted by the first signal transmission end 105 and send the second voltage range signal to the second control circuit 204, the second control circuit 204 is configured to obtain the second voltage range signal and compare the second voltage range signal with a current first voltage range signal of the second fan circuit 300, and output a fifth voltage range adjustment signal to the second boost circuit 202 according to a comparison result, and the second boost circuit 202 is configured to obtain the fifth voltage range adjustment signal, perform voltage range adjustment according to the fifth voltage range adjustment signal, and send a sixth voltage range output signal after the voltage range adjustment to the second fan wheel 201, where the second fan wheel 201 is configured to obtain the sixth voltage range output signal and perform motion state adjustment of the second fan wheel 201 according to the sixth voltage range output signal.
As a preferred implementation of this embodiment, the first power supply 103 includes a first external power supply and/or a first internal power supply. Specifically, the first power supply 103 of the first fan may be set as an independent external power supply, or may be set as an independent internal power supply, or may be set as a scheme having both an external power supply and an internal power supply.
In this embodiment, by arranging the first signal transmission end 105 in the first fan circuit 200 and the second signal transmission end 205 in the second fan circuit 300, and electrically connecting the first signal transmission end 105 and the second signal transmission end 205, the integral air volume superposition of the fans can be realized; meanwhile, dynamic synchronous adjustment of the gear between the first fan circuit 200 and the second fan circuit 300 can be controlled by one of the fan controllers, so that the fan can perform a plurality of local cooling on objects with larger area or more dimensions according to different air volume requirements, and different application scene requirements are met.
As shown in fig. 2, a schematic structural diagram of a fan circuit capable of dynamically adjusting air volume according to another embodiment of the present utility model,
in this embodiment, the first boost circuit 102 includes a first boost chip, a first inductor L1, and a first diode D1, and as a preferred implementation of this embodiment, the model of the first boost chip is FP6291, however, in other embodiments, the first boost chip may be a chip with the same function and other models, which is not limited herein, and the first boost chip includes an OC terminal, a VCC terminal, an EN terminal, an FB terminal, a GND terminal, and an LX terminal.
In this embodiment, the first control circuit 104 includes a first control chip, which is a preferred implementation of this embodiment, and the model of the first control chip is FM8PC79AM or NY8a051F, however, in other embodiments, the first control chip may be a chip with the same function and other models, and the first control chip includes, but is not limited to, a VSS terminal, an IOB0/INT terminal, an IOB1 terminal, an IOB2/TOCKI terminal, an IOB3/RSTB terminal, an IOB4/OSCO terminal, an IOB5/OSC1 terminal, and a VDD terminal.
In this embodiment, the first power supply 103 includes an external power supply and an internal power supply, the input port of the external power supply is a type ec interface, however, in other embodiments, the input port of the external power supply may be another type of interface, and the internal power supply is not limited thereto, and in other embodiments, the internal power supply may be a rechargeable battery.
In this embodiment, the TYPE EC interface of the first power supply 103 includes a VBUS1 end, a VBUS2 end, a VBUS3 end, a VBUS4 end, a GND1 end, a GND2 end, a GND3 end, a GND4 end, a CC1 end, and a CC2 end.
As a preferred implementation of this embodiment, the first signal transmitting terminal 105 includes a first serial signal transmitting interface.
As a preferred implementation of this embodiment, the first signal transmitting terminal 105 includes a first USART terminal, a first GND terminal, a first BAT terminal, and a first VIN terminal.
In this embodiment, a first USART terminal is used for transmitting serial signals, the first USART terminal is electrically connected with an IOB2/TOCKI terminal of the first control chip, a first GND terminal is grounded, a first BAT terminal is electrically connected with a battery of the first power supply 103 and a VDD terminal of the first control chip, and a first VIN terminal of the first signal transmitting terminal 105 is electrically connected with a VBUS1 terminal, a VBUS2 terminal, a VBUS3 terminal and a VBUS4 terminal of the first power supply 103; the end GND1, end GND2, end GND3, end GND4, end CC1 and end CC2 of the first power supply 103 are grounded, the end VBUS1, end VBUS2, end VBUS3 and end VBUS4 of the first power supply 103 are also electrically connected with the end VCC, end EN of the first boost chip and one end of the inductor L1, and the other end of the inductor L1 is electrically connected with the end LX of the first boost chip and the anode of the diode D1; the FB end of the first boost chip is electrically connected with the IOB5/OSC1 end of the first control chip, the first fan wheel 101 and the cathode of the diode D1, and the OC end and the GND end of the first boost chip are grounded; the VSS end of the first control chip and the IOB3/RSTB end are grounded;
correspondingly, in this embodiment, the second boost circuit 202 includes a second boost chip, a second inductor L2, and a second diode D3, and as a preferred implementation of this embodiment, the model of the second boost chip is FP6291, however, in other embodiments, the second boost chip may be a chip with the same function and other models, which is not limited herein, and the second boost chip includes an OC terminal, a VCC terminal, an EN terminal, a FB terminal, a GND terminal, and an LX terminal.
In this embodiment, the second control circuit 204 includes a second control chip, which is a preferred implementation of this embodiment, and the model of the second control chip is FM8PC79AM or NY8a051F, however, in other embodiments, the second control chip may be a chip with the same function and other models, and the second control chip includes, but is not limited to, a VSS terminal, an IOB0/INT terminal, an IOB1 terminal, an IOB2/TOCKI terminal, an IOB3/RSTB terminal, an IOB4/OSCO terminal, an IOB5/OSC1 terminal, and a VDD terminal.
In this embodiment, the second power supply 203 includes an external power supply and an internal power supply, the input port of the external power supply is a type ec interface, however, in other embodiments, the input port of the external power supply may be another type of interface, and the internal power supply is not limited thereto, and in other embodiments, the internal power supply may be a rechargeable battery.
In this embodiment, the TYPE EC interface of the second power supply 203 includes a VBUS1 end, a VBUS2 end, a VBUS3 end, a VBUS4 end, a GND1 end, a GND2 end, a GND3 end, a GND4 end, a CC1 end, and a CC2 end.
In this embodiment, the second signal transmission end 205 includes a second serial port signal transmission interface, where the second serial port signal transmission interface is electrically connected to the first serial port signal transmission interface.
In this embodiment, the second signal transmission end 205 includes a second USART end, a second GND end, a second BAT end, and a second VIN end, where the second USART end, the second GND end, the second BAT end, and the second VIN end of the second signal transmission end 205 are respectively and electrically connected to the first USART end, the first GND end, the first BAT end, and the first VIN end of the first signal transmission end 105.
In this embodiment, the second USART terminal is used for transmitting serial signals, the second USART terminal is electrically connected with the IOB2/TOCKI terminal of the second control chip, the second GND terminal is grounded, the second BAT terminal is electrically connected with the battery of the second power supply 203 and the VDD terminal of the second control chip, and the second VIN terminal of the second signal transmitting terminal 205 is electrically connected with the VBUS1 terminal, the VBUS2 terminal, the VBUS3 terminal and the VBUS4 terminal of the second power supply 203; the GND1 end, GND2 end, GND3 end, GND4 end, CC1 end and CC2 end of the second power supply 203 are grounded, the VBUS1 end, VBUS2 end, VBUS3 end and VBUS4 end of the second power supply 203 are electrically connected with the VCC end, EN end and one end of the inductor L2 of the second boost chip, and the other end of the inductor L2 is electrically connected with the LX end of the second boost chip and the anode of the diode D1; the FB end of the second boost chip is electrically connected with the IOB5/OSC1 end of the second control chip, the second fan wheel 201 and the cathode of the diode D1, and the OC end and the GND end of the second boost chip are grounded; the VSS end of the second control chip and the IOB3/RSTB end are grounded.
As a preferred implementation of this embodiment, the first signal transmitting end 105 includes a first magnetically attractable contact, and the second signal transmitting end 205 includes a second magnetically attractable contact, the first magnetically attractable contact being electrically connected to the second magnetically attractable contact. Of course, in other embodiments, the first signal transmitting end 105 and the second signal transmitting end 205 may be electrically connected by other manners, such as cable, electric switch, etc., and not limited thereto.
The working process of the circuit comprises the following steps: the first signal transmission end 105 of the first fan circuit 200 obtains a first voltage gear signal transmitted by the second signal transmission end 205 of the second fan circuit 300 and sends the first voltage gear signal to the first control circuit 104, the first control circuit 104 obtains the first voltage gear signal and compares the first voltage gear signal with a current second voltage gear signal of the first fan circuit 200, a third voltage gear adjusting signal is output to the first boost circuit 102 according to a comparison result, the first boost circuit 102 obtains the third voltage gear adjusting signal, performs voltage gear adjustment according to the third voltage gear adjusting signal, and sends a fourth voltage gear output signal after the voltage gear adjustment to the first fan wheel 101, and the first fan wheel 101 obtains the fourth voltage gear output signal and adjusts the motion state of the first fan wheel 101 according to the fourth voltage gear output signal; similarly, the second signal transmission end 205 of the second fan circuit 300 obtains the second voltage level signal transmitted by the first signal transmission end 105 of the first fan circuit 200 and sends the second voltage level signal to the second control circuit 204, the second control circuit 204 obtains the second voltage level signal and compares the second voltage level signal with the current first voltage level signal of the second fan circuit 300, and outputs a fifth voltage level adjustment signal to the second boost circuit 202 according to the comparison result, the second boost circuit 202 is configured to obtain the fifth voltage level adjustment signal, perform voltage level adjustment according to the fifth voltage level adjustment signal, and send the sixth voltage level output signal after the voltage level adjustment to the second fan wheel 201, and the second fan wheel 201 obtains the sixth voltage level output signal and adjusts the motion state of the second fan wheel 201 according to the sixth voltage level output signal.
In this embodiment, the first voltage gear signal includes a fan off gear voltage signal, a first gear voltage signal, a second gear voltage signal, and a third gear voltage signal, where the fan off gear voltage corresponds to 0V, the first gear voltage corresponds to 5V, the second gear voltage corresponds to 7V, and the third gear voltage corresponds to 12V, although in other embodiments, the first gear voltage signal, the second gear voltage signal, and the third gear voltage signal may have other voltage values, such as 6V, 8V, and 15V, and the like, and the present utility model is not limited thereto. Correspondingly, the second voltage gear signal includes a fan closing gear voltage signal, a first gear voltage signal, a second gear voltage signal, and a third gear voltage signal, where the fan closing gear voltage corresponds to 0V, the first gear voltage corresponds to 5V, the second gear voltage corresponds to 7V, and the third gear voltage corresponds to 12V, although in other embodiments, the first gear voltage signal, the second gear voltage signal, and the third gear voltage signal may also have other voltage values, such as 6V, 8V, and 15V, and the like, and the utility model is not limited thereto.
In this embodiment, when the first fan circuit 200 and the second fan circuit 300 are in the working state, the voltage value V1 of the first voltage level signal of the second fan circuit 300 obtained in the first fan circuit 200 is less than or equal to the non-0V voltage value V2 of the second voltage level signal of the first fan circuit 200, if V1 is 5V, V2 is 7V or V1 is 5V, V V, the first control circuit 104 does not output the third voltage level adjustment signal to the first boost circuit 102, and the movement state of the first fan wheel 101 is not adjusted; when the voltage value V1 of the first voltage gear signal of the second fan circuit 300 obtained in the first fan circuit 200 is greater than the voltage value V2 of the second voltage gear signal of the first fan circuit 200, if V1 is 7V, V V and V is 5V, the first control circuit 104 outputs a third voltage gear adjusting signal to the first voltage boost circuit 102, specifically, the third voltage gear adjusting signal includes the voltage value v1=7v of the first voltage gear signal and a voltage gear adjusting instruction, the first voltage boost circuit 102 obtains the third voltage gear adjusting signal, performs voltage gear adjustment according to the third voltage gear adjusting signal, and sends a fourth voltage gear output signal after the voltage gear adjustment to the first fan wheel 101, specifically, the fourth voltage gear output signal includes the voltage value v1=7v of the first voltage gear signal and a voltage adjustment completion signal, the first fan wheel 101 obtains the fourth voltage gear output signal and performs movement of the first fan wheel 101 according to the fourth voltage gear output signal, specifically, that is, the first fan 101 performs movement according to the voltage value v=7v; when the voltage value V1 of the first voltage range signal of the second fan circuit 300 obtained in the first fan circuit 200 is 0V, the first control circuit 104 outputs a third voltage range adjustment signal to the first booster circuit 102, specifically, the third voltage range adjustment signal includes the voltage value v1=0v of the first voltage range signal and a voltage range adjustment instruction, the first booster circuit 102 obtains the third voltage range adjustment signal, performs voltage range adjustment according to the third voltage range adjustment signal, and transmits a fourth voltage range output signal after the voltage range adjustment to the first fan wheel 101, specifically, the fourth voltage range output signal includes the voltage value v1=0v of the first voltage range signal and a voltage range adjustment completion signal, and the first fan wheel 101 obtains the fourth voltage range output signal and stops moving.
When the first fan circuit 200 and the second fan circuit 300 are shifted from the non-operating state to the operating state, the voltage value V1 of the first voltage gear signal of the second fan circuit 300 obtained in the first fan circuit 200 is a voltage value other than 0V, for example, V1 is 5V, the first control circuit 104 outputs a third voltage gear adjustment signal to the first voltage step-up circuit 102, specifically, the third voltage gear adjustment signal includes the voltage value v1=5v of the first voltage gear signal and a voltage gear adjustment instruction, the first voltage step-up circuit 102 obtains the third voltage gear adjustment signal, performs voltage gear adjustment according to the third voltage gear adjustment signal, and sends a fourth voltage gear output signal after the voltage gear adjustment to the first fan wheel 101, specifically, the fourth voltage gear output signal includes the voltage value v1=5v of the first voltage gear signal and a voltage adjustment completion signal, the first fan wheel 101 obtains the fourth voltage gear output signal and performs movement state adjustment of the first fan wheel 101 according to the fourth voltage gear output signal, specifically, and the first fan wheel 101 performs movement according to the voltage value v=5v.
Similarly, when the first fan circuit 200 and the second fan circuit 300 are in the working state, the voltage value V3 of the second voltage level signal of the first fan circuit 200 obtained in the second fan circuit 300 is less than or equal to the voltage value V4 of the non-0V of the first voltage level signal of the second fan circuit 300, if V3 is 5V, V2 is 7V or V4 is 5V, V V, the second control circuit 204 does not output the fifth voltage level adjustment signal to the second boost circuit 202, and the movement state of the second fan wheel 201 is not adjusted; when the voltage value V3 of the second voltage range signal of the first fan circuit 200 obtained in the second fan circuit 300 is greater than the voltage value V4 of the first voltage range signal of the second fan circuit 300, if V3 is 7V, V and V is 5V, the second control circuit 204 outputs a fifth voltage range adjustment signal to the second voltage boost circuit 202, specifically, the fifth voltage range adjustment signal includes the voltage value v3=7v of the second voltage range signal and a voltage range adjustment instruction, the second voltage boost circuit 202 obtains the fifth voltage range adjustment signal, performs voltage range adjustment according to the fifth voltage range adjustment signal, and sends a sixth voltage range output signal after the voltage range adjustment to the second fan wheel 201, specifically, the sixth voltage range output signal includes the voltage value v3=7v of the second voltage range signal and a voltage range adjustment completion signal, the second fan wheel 201 obtains the sixth voltage range output signal and performs movement state of the second fan wheel 201 according to the sixth voltage range output signal, specifically, that is, the second fan 201 performs movement according to the second voltage range value=7v of the second voltage range adjustment signal; when the voltage value V3 of the second voltage range signal of the first fan circuit 200 obtained in the second fan circuit 300 is 0V, the second control circuit 204 outputs a fifth voltage range adjustment signal to the second booster circuit 202, specifically, the fifth voltage range adjustment signal includes the voltage value v3=0v of the second voltage range signal and a voltage range adjustment instruction, the second booster circuit 202 obtains the fifth voltage range adjustment signal, performs voltage range adjustment according to the fifth voltage range adjustment signal, and sends a sixth voltage range output signal after the voltage range adjustment to the second fan wheel 201, specifically, the sixth voltage range output signal includes the voltage value v3=0v of the second voltage range signal and a voltage range adjustment completion signal, and the second fan wheel 201 obtains the sixth voltage range output signal and stops moving;
when the first fan circuit 200 and the second fan circuit 300 are shifted from the non-operating state to the operating state, the voltage value V3 of the second voltage gear signal of the first fan circuit 200 obtained in the second fan circuit 300 is a voltage value other than 0V, for example, V3 is 5V, the second control circuit 204 outputs a fifth voltage gear adjustment signal to the second voltage step-up circuit 202, specifically, the fifth voltage gear adjustment signal includes a voltage value v3=5v of the second voltage gear signal and a voltage gear adjustment instruction, the second voltage step-up circuit 202 obtains the fifth voltage gear adjustment signal, performs voltage gear adjustment according to the fifth voltage gear adjustment signal, and sends a sixth voltage gear output signal after the voltage gear adjustment to the second fan wheel 201, specifically, the sixth voltage gear output signal includes a voltage value v3=5v of the second voltage gear signal and a voltage adjustment completion signal, the second fan wheel 201 obtains the sixth voltage gear output signal and performs motion state adjustment of the second fan wheel 201 according to the sixth voltage gear output signal, specifically, and the second fan wheel 201 performs motion according to the second voltage value v=5v of the second voltage gear output signal.
As shown in fig. 3, the fan apparatus 400 capable of dynamically adjusting air volume according to the present utility model includes a fan circuit capable of dynamically adjusting air volume as shown in any embodiment of fig. 1 or fig. 2.
As a preferred embodiment of the present embodiment, the first fan and the second fan are a fan set, and the fan device 400 capable of dynamically adjusting the air volume can implement the integral air volume superposition of the fans, and the fan can perform multiple local cooling on the objects with larger area or more dimensions according to different air volume requirements by controlling the dynamic synchronous adjustment of the gear between the first fan circuit 200 and the second fan circuit 300 through one of the fan controllers.
In summary, according to the fan circuit and the device thereof capable of dynamically adjusting the air volume, the first signal transmission end is arranged on the first fan circuit, the second signal transmission end is arranged on the second fan circuit, and the first signal transmission end and the second signal transmission end are electrically connected, so that the integral air volume superposition of the fan can be realized; meanwhile, the first fan circuit obtains a first voltage gear signal of the second fan circuit through the first signal transmission end, compares the first voltage gear signal with a current second voltage gear signal of the first fan circuit, adjusts the movement state of a fan wheel driving the first fan circuit according to the comparison result, obtains a second voltage gear signal of the first fan circuit through the second signal transmission end of the second fan circuit, compares the second voltage gear signal with the current first voltage gear signal of the second fan circuit, adjusts the movement state of the fan wheel driving the second fan circuit according to the comparison result, and can realize bidirectional dynamic synchronous adjustment of the voltage between the first fan circuit and the second fan circuit, so that the fan can realize dynamic synchronous adjustment of the gear between fans, and a plurality of partial cooling can be carried out on objects with larger area or more dimensions according to different air volume requirements, thereby meeting different application scene requirements.
The above detailed description is merely illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model, so that all equivalent technical changes that can be made by the present specification and illustrations are included in the scope of the utility model.

Claims (9)

1. A fan circuit capable of dynamically adjusting air quantity is characterized in that: comprises a first fan circuit and a second fan circuit,
the first fan circuit comprises a first power supply, a first booster circuit, a first control circuit, a first signal transmission end and a first fan wheel, wherein the first power supply is electrically connected with the first booster circuit and the first signal transmission end, the first booster circuit is electrically connected with the first control circuit and the first fan wheel, and the first control circuit is electrically connected with the first signal transmission end;
the second fan circuit comprises a second power supply, a second booster circuit, a second control circuit, a second signal transmission end and a second fan wheel, wherein the second power supply is electrically connected with the second booster circuit and the second signal transmission end, the second booster circuit is electrically connected with the second control circuit and the second fan wheel, and the second control circuit is electrically connected with the second signal transmission end;
the first signal transmission end is electrically connected with the second signal transmission end;
the first signal transmission end is used for acquiring a first voltage gear signal transmitted by the second signal transmission end and sending the first voltage gear signal to the first control circuit, the first control circuit is used for acquiring the first voltage gear signal and comparing the first voltage gear signal with a current second voltage gear signal of the first fan circuit, a third voltage gear adjusting signal is output to the first boost circuit according to a comparison result, and the first boost circuit is used for acquiring the third voltage gear adjusting signal, carrying out voltage gear adjustment according to the third voltage gear adjusting signal and sending a fourth voltage gear output signal after the voltage gear adjustment to the first fan wheel, and the first fan wheel is used for acquiring the fourth voltage gear output signal and carrying out movement state adjustment of the first fan wheel according to the fourth voltage gear output signal;
the second signal transmission end is used for acquiring a second voltage gear signal transmitted by the first signal transmission end and sending the second voltage gear signal to the second control circuit, the second control circuit is used for acquiring the second voltage gear signal and comparing the second voltage gear signal with a current first voltage gear signal of the second fan circuit, a fifth voltage gear adjusting signal is output to the second booster circuit according to a comparison result, and the second booster circuit is used for acquiring the fifth voltage gear adjusting signal, carrying out voltage gear adjustment according to the fifth voltage gear adjusting signal and sending a sixth voltage gear output signal after the voltage gear adjustment to the second fan wheel, and the second fan wheel is used for acquiring the sixth voltage gear output signal and carrying out movement state adjustment of the second fan wheel according to the sixth voltage gear output signal.
2. The fan circuit capable of dynamically adjusting air volume according to claim 1, wherein: the first power supply comprises a first external power supply and/or a first built-in power supply.
3. The fan circuit capable of dynamically adjusting air volume according to claim 2, wherein: the second power supply comprises a second external power supply and/or a second built-in power supply.
4. The fan circuit capable of dynamically adjusting air volume according to claim 1, wherein: the first signal transmission end comprises a first serial port signal transmission interface, the second signal transmission end comprises a second serial port signal transmission interface, and the first serial port signal transmission interface is electrically connected with the second serial port signal transmission interface.
5. The fan circuit capable of dynamically adjusting air volume according to claim 1, wherein: the first signal transmission end comprises a USART end, a GND end, a BAT end and a VIN end.
6. The fan circuit capable of dynamically adjusting air volume according to claim 5, wherein: the second signal transmission end comprises a USART end, a GND end, a BAT end and a VIN end.
7. The fan circuit capable of dynamically adjusting air volume according to claim 6, wherein: and the USART end, the GND end, the BAT end and the VIN end of the first signal transmission end are respectively and correspondingly and electrically connected with the USART end, the GND end, the BAT end and the VIN end of the second signal transmission end.
8. A fan circuit capable of dynamically adjusting air volume according to any one of claims 1-7, wherein: the first signal transmission end comprises a first magnetic attraction contact, the second signal transmission end comprises a second magnetic attraction contact, and the first magnetic attraction contact is electrically connected with the second magnetic attraction contact.
9. A fan device capable of dynamically adjusting air quantity, which is characterized in that: the fan device capable of dynamically adjusting the air quantity comprises the fan circuit capable of dynamically adjusting the air quantity according to any one of claims 1 to 8.
CN202321015683.9U 2023-04-28 2023-04-28 Fan circuit capable of dynamically adjusting air quantity and device thereof Active CN219993976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321015683.9U CN219993976U (en) 2023-04-28 2023-04-28 Fan circuit capable of dynamically adjusting air quantity and device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321015683.9U CN219993976U (en) 2023-04-28 2023-04-28 Fan circuit capable of dynamically adjusting air quantity and device thereof

Publications (1)

Publication Number Publication Date
CN219993976U true CN219993976U (en) 2023-11-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321015683.9U Active CN219993976U (en) 2023-04-28 2023-04-28 Fan circuit capable of dynamically adjusting air quantity and device thereof

Country Status (1)

Country Link
CN (1) CN219993976U (en)

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