CN214118519U - Precious fan that charges can be dismantled in area - Google Patents

Abstract

The utility model discloses a precious fan can dismantle in area that charges, including the fan, charge precious and contact subassembly, the first end of intaking of contact subassembly is located fan, the treasured that charges is located to first supply terminal, the treasured that charges is equipped with electric core group, charge management module, second end and second supply terminal of intaking, charge management module control electric core group and second end of intaking for the power supply of contact subassembly, control electric core group toward the second supply terminal power supply, establish the protocol IC that charges soon in the charge management module, the control module of fan is equipped with the master control MCU module, master control MCU module control motor operation, convenience of customers only need supply power for the motor of fan through precious and the end of intaking that charges, and the internal control circuit of the fan of simplifying, the precious complete machine that charges uses as portable power source, increases and sells a little, improves user experience.

Description

Precious fan that charges can be dismantled in area

Technical Field

The utility model relates to a fan field, concretely relates to precious fan that charges can be dismantled in area.

Background

Most of charging fans on the market are powered by built-in lithium batteries, and because the fans are seasonal products, the long-time idling can affect the service life of the lithium batteries, even people are damaged due to overdischarge, and meanwhile, the storage of a charged battery also has the potential safety hazard of fire hazard.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art not enough, provide a precious fan that charges can be dismantled in area, convenience of customers only need supply power for the motor of fan through precious and the incoming electricity end that charges, and the internal control circuit of the fan of simplifying reduces the fan when idle, the potential safety hazard that the lithium cell of fan was stored to increase the complete machine and sell some, improve user experience.

The utility model discloses the above-mentioned problem that will solve is through following technical scheme in order to realize:

the utility model provides a precious fan can be dismantled in area, is including the fan, the treasured and the contact subassembly charge, the treasured that charges is located to fan, first supply end to the first end of advancing of contact subassembly, the treasured that charges is equipped with electric core group, charge management module, second and advances electric end and second supply end, charge management module control electric core group and second advance electric end and supply power for contact subassembly, control electric core group toward the second supply end, establish protocol IC that charges soon in the management module that charges, the control module of fan is equipped with main control MCU module, main control MCU module control motor moves.

Furthermore, a battery protection board is arranged on a circuit between the charging management module and the first power supply end, and the battery protection board is also arranged on a circuit between the charging management module and the battery pack.

Further, the second power supply terminal is connected in parallel with the first power supply terminal.

Further, the charging management module is connected with an electric quantity display.

Furthermore, the control module of the fan is further provided with a voltage detection module, a DC-DC voltage stabilizer and an LDO voltage stabilizer, the main control MCU module controls the voltage detection module to monitor the voltage Vb of the first power inlet end in real time, the DC-DC voltage stabilizer is arranged on a circuit from the first power inlet end to the motor, and the LDO voltage stabilizer is arranged on a circuit from the DC-DC voltage stabilizer to the main control MCU module.

Further, the second power input end is a Type-C port, the second power supply end is a USB port, the first power input end comprises a VBAT pin hole and a GND pin hole, and the first power supply end comprises a VBAT pin head and a GND pin head.

Further, the maximum charging power of the second power input end is 18W.

Furthermore, the fan is provided with more than two wind power gears.

Has the advantages that:

1. the utility model discloses a precious fan that charges can be dismantled in area utilizes the management module control electric core group that charges and the second advances the electric end and supplies power for the contact subassembly, and convenience of customers only need to supply power for the motor of fan through the precious and the end that advances that charges, and when precious electric core group electric quantity that charges is not enough, the inside control circuit of fan that the precious self required second that directly uses to charge advances the electric end and supplies power for the motor of fan, simplifies.

2. The utility model discloses a precious fan charges can be dismantled in area is because establishing the protocol IC that fills soon in the management module that charges, guarantees that the fan is in and lasts steady operation.

3. The utility model discloses a precious fan that charges can be dismantled in area, when the treasured that charges is dismantled from the fan, owing to be equipped with the second feeder end, the treasured that charges uses as portable power source, reduces the fan when idle, the potential safety hazard that the lithium cell of fan was stored to increase the complete machine and sell the point, improve user experience.

Drawings

Fig. 1 is a schematic connection diagram of a fan with a detachable power bank according to the present invention;

fig. 2 is a schematic position diagram of a contact assembly of a fan with a detachable charger of the present invention;

fig. 3 is an exploded view of a portable charger with a detachable fan according to the present invention;

fig. 4 is a schematic diagram of a connector of a contact structure of a fan with a detachable power bank.

The figure shows that: fan 1, treasured 2 charges, second advances electric end 21, second power supply end 22, electric quantity display 23, contact subassembly 3, first power supply end 31, first power supply end 32.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the present invention in any manner.

Example 1:

referring to fig. 1, a fan with a detachable power bank, comprising a fan 1, a power bank 2 and a contact assembly 3, wherein a first power inlet 31 of the contact assembly 3 is disposed on the fan 1, a first power supply 32 is disposed on the power bank 2, the power bank 2 is provided with a power core set, a charging management module, a second power inlet 21 and a second power supply 22, the charging management module controls the power core set and the second power inlet 21 to supply power to the contact assembly 3, and controls the power core set to supply power to the second power supply 22, a fast charging protocol IC is disposed in the charging management module, a control module of the fan 1 is provided with a main control MCU module, the main control MCU module controls the operation of the motor, so that a user can conveniently supply power to the motor of the fan 1 through the power bank 2 and the power inlet thereof, a simplified internal control circuit of the fan 1 ensures that the fan 1 is in continuous and stable operation, and reduces the idle state of the fan 1, the potential safety hazard that the lithium cell of fan 1 stored to increase the complete machine and sell the point, improve user experience.

Referring to fig. 1, a battery protection board is arranged on a circuit between the charging management module and the first power supply end 32, and the battery protection board is further arranged on a circuit between the charging management module and the cell pack to prevent the cell pack from overshooting and prevent the electric shock assembly from obtaining too large power supply to damage the main control MCU module of the fan 1.

Referring to fig. 1, the second power supply terminal 22 is connected in parallel with the first power supply terminal 32, so that power is supplied to the battery pack and the fan 1 simultaneously, and a power supply terminal does not need to be arranged on the fan 1, thereby reducing the trouble of switching circuits and simplifying the control circuit of the fan 1.

Referring to fig. 1, the charging management module is connected to an electric quantity display 23, so as to conveniently remind a user of charging.

Referring to fig. 1, the control module of the fan 1 is further provided with a voltage detection module, a DC-DC voltage stabilizer and an LDO voltage stabilizer, the main control MCU module controls the voltage detection module to monitor the voltage Vb of the first power input terminal 31 in real time, the DC-DC voltage stabilizer is arranged on the circuit from the first power input terminal 31 to the motor, and the LDO voltage stabilizer is arranged on the circuit from the DC-DC voltage stabilizer to the main control MCU module, so as to avoid the influence of voltage instability on the motor of the fan 1 and the main control MCU module.

Referring to fig. 1, the second power input terminal 21 is a Type-C port, the second power supply terminal 22 is a USB port, the first power input terminal 31 includes a VBAT pin hole and a GND pin hole, and the first power supply terminal 32 includes a VBAT pin head and a GND pin head, so that a port model does not need to be separately configured, and development cost is reduced.

Referring to fig. 1, the maximum charging power of the second power input terminal 21 is 18W, which ensures that the fan 1 continuously and stably operates.

The fan 1 is provided with more than two wind gears, so that a user can change the wind gear of the fan according to the wind demand, and the user experience is improved.

The utility model discloses a theory of operation:

referring to fig. 1-4, the main control MCU module controls the motor of the fan 1 to be in a running state, the electric core group and the second power input end 21 are used to supply power to the fan 1, the voltage detection module detects the voltage Vb at the first power input end 31, the voltage Vb is stabilized by the DC-DC voltage stabilizer and then supplied to the motor, the voltage supplied to the main control MCU module is further stabilized by the LDO voltage stabilizer, and the main control MCU module is prevented from being damaged due to the unstable voltage;

the fan 1 is provided with more than two wind power gears, the power of the fan 1 corresponding to each wind power gear is different, the working voltage Vm of the fan 1 corresponding to each wind power gear is also different, when the detected voltage Vb is smaller than the working voltage Vm of the current wind power gear, the fan 1 performs downshifting operation, and if the voltage Vb is smaller than the working voltage Vm of the minimum wind power gear of the fan 1, the main control MCU module prompts a user that the power supply is insufficient to remind the user of charging; the voltage of the contact assembly 3 after passing through the battery protection board ranges: 9-12.6V, and the operating voltage Vm of the minimum wind power gear of the fan 1 is = 9.5V.

When fan 1 is in idle, the treasured that charges is dismantled out and is used as portable power source, utilizes second feeder ear 22 to supply power for other electronic equipment, reduces fan 1 when idle, the potential safety hazard that fan 1's lithium cell stored to increase fan 1 complete machine selling point, improve user experience.

The voltage Vb of the first power input end 31 is the voltage of the electric core group.

And the voltage Vb of the electric core group is less than the working voltage Vm of the fan 1 gear:

1. the power supply power of second supply end is less than the consumption power that the electric core group supplied power to the fan, leads to the energy storage of electric core group to consume, and the voltage reduces, if: the power adapter does not support quick charging, can only provide 5V/2A, and cannot meet the requirement of fan consumption;

2. when only the precious electric core group that charges supplies power, electric core energy storage consumption, voltage reduction.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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 (8)

1. The utility model provides a precious fan can be dismantled in area, is including the fan, the precious and contact subassembly that charges, its characterized in that, the precious fan that charges is located to the first end of advancing of contact subassembly, first supply end, it is equipped with electric core group, charge management module, second end and second supply end of advancing to charge the precious, charge management module control electric core group and second end of advancing for the power supply of contact subassembly, control electric core group toward the second supply end power supply, the interior agreement IC that charges that establishes of charge management module, the control module of fan is equipped with master control MCU module, master control MCU module control motor operation.

2. The fan with the detachable power bank as claimed in claim 1, wherein a battery protection board is provided on the circuit between the charging management module and the first power supply terminal, and the battery protection board is further provided on the circuit between the charging management module and the battery pack.

3. The fan with the detachable power bank as claimed in claim 1, wherein the second power supply terminal is connected in parallel with the first power supply terminal.

4. The fan with the detachable power bank as claimed in claim 1, wherein the power management module is connected with a power display.

5. The fan with the detachable charging pal of claim 1, wherein the control module of the fan is further provided with a voltage detection module, a DC-DC voltage regulator and an LDO voltage regulator, the main control MCU module controls the voltage detection module to monitor the voltage Vb at the first power input end in real time, the DC-DC voltage regulator is arranged on a circuit from the first power input end to the motor, and the LDO voltage regulator is arranged on a circuit from the DC-DC voltage regulator to the main control MCU module.

6. The fan with the detachable power bank as claimed in claim 1, wherein the second power input end is a Type-C port, the second power supply end is a USB port, the first power input end includes a VBAT pin hole and a GND pin hole, and the first power supply end includes a VBAT pin head and a GND pin head.

7. The fan with the detachable power bank as claimed in claim 1, wherein the maximum charging power of the second power input end is 18W.

8. The fan with the detachable power bank as claimed in claim 1, wherein the fan has more than two wind power gears.

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