TW202208814A - Device for counting revolutions of a motor of a fluid vending machine - Google Patents

Abstract

A device for counting revolutions of a motor of a fluid vending machine comprises a pulse generator for sending a signal indicative of revolutions of a motor to a controller which calculates a volume of fluid to be vended, the amount of fluid compared with a volume of fluid set by an amount of money calculation member for increasing or decreasing the revolutions of the motor. Finally, a volume of fluid as the set volume of fluid is precisely dispensed from a tank.

Description

Motor counting device for fluid vending equipment

The invention relates to a sales application field, in particular to a detergent sales device with a motor counting device.

The known liquid (including thick liquid) detergent vending machine mainly uses a motor to extract the fluid (for example, in the form of a liquid) from a barrel containing fluid (such as detergent, etc.). Thick liquid cleaning solution), and then output to an external container (such as a thermos bottle provided by consumers, etc.).

However, because it is difficult to control the flow rate of fluids (including thick liquids), it is often easy to cause the liquid output to be unable to be accurately controlled. Under the condition that consumers invest the same amount, sometimes more liquid will be produced, and sometimes more liquid will be produced. It will be less, because the principle of equality and fairness is not achieved, it is easy to cause complaints and dissatisfaction of consumers, so it needs to be improved.

The above description of "prior art" is only to provide background art, and does not acknowledge that the above description of "prior art" discloses the subject matter of the present disclosure, does not constitute the prior art of the present disclosure, and any description of the above "prior art" shall not be part of this case.

Based on the above reasons, the present invention is a motor counting device of a fluid selling equipment, which can use a rotational speed sensor, such as a pulse generator, arranged at the motor to transmit a signal of the rotational speed of the motor to the control unit, and the control unit then according to the motor The signal of the rotating speed is used to calculate a liquid output, and compare with a set liquid output corresponding to one of the pricing units, and then control the motor to increase or decrease the speed, and then control a liquid outlet of the box. The actual liquid output should be equal to the set liquid output, so that the desired liquid output can be accurately output, and the principle of equality and fairness can be achieved, so as to avoid consumer complaints and dissatisfaction.

In order to achieve the above purpose, the present invention provides a motor counting device for a fluid selling device, the liquid selling device includes a box, a liquid storage bucket, a liquid inlet pipe, a first three-way pipe, a motor, a first Two or three-way pipes, a pricing unit, a solenoid valve, a control unit and a power supply, the liquid storage tank is arranged inside or outside the box, the liquid storage tank is communicated with the liquid inlet pipe, and the other side of the liquid inlet pipe One end is communicated with a first end of the first tee, a second end of the first tee is communicated with a liquid inlet of the motor, and a liquid outlet of the motor is communicated with the second tee A first end of the pipe, the motor is electrically connected to the control unit and the power supply, a second end of the second three-way pipe is connected to a liquid outlet of the box, and the solenoid valve is arranged on the second third A predetermined place between the second end of the through pipe and the liquid outlet of the box, and the solenoid valve is electrically connected to the control unit and the power supply, and the pricing unit is arranged on one side of the box, It is electrically connected with the control unit and the power supply, and the pricing unit provides the control unit with a pricing amount to convert it into a set liquid output. The control unit is electrically connected to the power supply; wherein the rotational speed sensor senses a rotational speed of a shaft of the motor, and transmits a signal of the rotational speed to the control unit, and the control unit then performs the operation according to the signal of the rotational speed Calculate the liquid output, compare the set liquid output, and then control the motor to increase or decrease the rotation speed, and then control an actual liquid output from the liquid outlet of the box to make the actual liquid output Equal to the set liquid output.

In some embodiments, the rotational speed sensor is a pulse generator.

In some embodiments, the pulse generator includes a rotating plate and two induction plates, the rotating plate is connected to the axis of the motor and is substantially perpendicular to the axis, so that the rotating plate can rotate with the axis , the two sensing pieces are arranged at intervals from each other, so that the rotating piece can pass through a space between the two sensing pieces when rotating.

In some embodiments, the motor counting device of the fluid selling device further includes a first valve disposed between the liquid storage tank and the liquid inlet pipe.

In some embodiments, the motor counting device of the fluid vending device includes a second valve disposed between the second end of the second tee and the solenoid valve.

In some embodiments, the motor counting device of the fluid selling device further includes a display panel, disposed on one side of the box body, at least displaying the pricing amount and the set liquid output volume of the pricing unit.

In some embodiments, the motor counting device of the fluid selling device further includes a return pipe, two ends of the return pipe are respectively connected to a third end of the first three-way pipe and a third end of the second three-way pipe end.

In some embodiments, the motor counting device of the fluid vending device further includes a third valve disposed between the return pipe and the third end of the second three-way pipe.

In some embodiments, the reservoir stores a fluid, including at least a thick liquid cleaning soap.

In some embodiments, the display panel, the pricing unit, and the liquid outlet of the box are arranged on the same side of the box.

The foregoing has outlined rather broadly the technical features and advantages of the present disclosure in order that the detailed description of the present disclosure that follows may be better understood. Additional technical features and advantages that form the subject of the scope of the present disclosure are described below. It should be understood by those skilled in the art to which this disclosure pertains that the concepts and specific embodiments disclosed below can be readily utilized to modify or design other structures or processes to achieve the same purposes of the present disclosure. Those skilled in the art to which the present disclosure pertains should also understand that such equivalent constructions cannot depart from the spirit and scope of the present disclosure as defined by the appended claims.

The specific embodiments of the present invention will be described in detail below in conjunction with specific circumstances.

Please refer to FIG. 1 and FIG. 2 , the fluid selling device 100 of the present invention includes a box 11 , a liquid storage tank 12 , a liquid inlet pipe 13 , a first three-way pipe 14 , a motor 15 , and a second The three-way pipe 16 , a pricing unit 17 , a solenoid valve 18 , a control unit 19 and a power supply 20 .

As shown in FIG. 2, in some embodiments of the present invention, the liquid storage tank 11 stores a fluid, at least including a thick liquid cleaning soap, such as laundry detergent, laundry detergent, laundry milk, silk conditioner, shampoo Essence, shampoo, shower gel, etc., not limited to this.

In some embodiments of the present invention, the liquid storage tank 12 is disposed inside or outside the tank body 11 . In this embodiment, the liquid storage tank 12 is set inside the box body 11 for illustration, but it is not limited thereto. The liquid storage tank 12 is communicated with the liquid inlet pipe 13, and the other end of the liquid inlet pipe 13 (that is, the end away from the connection with the liquid storage tank 12) is connected with a first end 141 of the first three-way pipe 14. The first three-way A second end 142 of the pipe 14 is communicated with a liquid inlet 151 of the motor 15, and a liquid outlet 152 of the motor 15 is communicated with a first end 161 of the second three-way pipe 16, the motor 15, the control unit 19 and the power supply 20 (eg mains) electrical connection.

Please continue to refer to FIG. 2 , in some embodiments of the present invention, a second end 162 of the second three-way pipe 16 is connected to a liquid outlet 111 of the case 11 , and a container 200 (eg, a container 200 provided by a consumer (for example) The bottle) can be correspondingly placed at the liquid outlet 111 to accommodate the desired amount of fluid. The solenoid valve 18 is arranged at a predetermined position between the second end 162 of the second three-way pipe 16 and the liquid outlet 11 of the tank 11 , for example, close to the second end 162 of the second three-way pipe 16 and close to the tank. The liquid outlet 11 of 11 or the middle between the second end 162 of the second three-way pipe 16 and the liquid outlet 11 of the box 11 , and the solenoid valve 18 is electrically connected to the control unit 19 and the power supply 20 .

Furthermore, the pricing unit 17 is arranged on one side of the box body 11 and is electrically connected to the control unit 19 and the power supply 20; wherein, the pricing unit 17 provides the control unit 19 with a pricing amount to convert it into a set liquid output amount, such as The price is 10 yuan, and the corresponding set liquid output is 20 ml. In some embodiments of the present invention, the pricing unit 17 may be coin-operated pricing, banknote pricing, plastic currency pricing, or a combination of at least two of the above, but not limited thereto.

Please refer to FIG. 2 and FIG. 3 simultaneously. In some embodiments of the present invention, the motor 15 is connected to a rotational speed sensor 21 , and the rotational speed sensor 21 is electrically connected to the control unit 19 and the power supply 20 . As shown in FIG. 3 , the rotational speed sensor 21 is a pulse generator.

Referring to FIG. 3 , in some embodiments of the present invention, the rotational speed sensor 21 (ie, the pulse generator) includes a rotating plate 211 and two sensing plates 212 . The rotating piece 211 is connected to the shaft center 153 of the motor 15 , and the rotating piece 211 is substantially perpendicular to the shaft center 153 , so that the rotating piece 211 can rotate with the rotation of the shaft center 153 . The two sensing pieces 212 are spaced apart from each other, so that the rotating piece 211 can pass through a space between the two sensing pieces 212 when rotating. Therefore, when the rotating piece 211 rotates through the space between the two sensing pieces 212 , a pulse signal is generated, and the pulse signal is then transmitted to the control unit 19 to count the rotational speed of the motor 15 .

Referring back to FIG. 2 , in some embodiments of the present invention, the fluid selling device 100 of the present invention further includes a first valve 22 , a second valve 23 , a third valve 24 , a display panel 25 and a return flow Tube 26. In some embodiments of the present invention, the first valve 22 is disposed between the liquid storage tank 12 and the liquid inlet pipe 13 to manually control the output of the fluid in the liquid storage tank 12 . The second valve 23 is disposed between the second end 162 of the second three-way pipe 16 and the solenoid valve 18 to manually control the flow rate of the liquid.

In some embodiments of the present invention, the display panel 25 is disposed on one side of the box body 11 , and at least displays information of the pricing unit 17 , such as the pricing amount and the set liquid output volume. In some embodiments of the present invention, the display panel 25 , the pricing unit 17 , and the liquid outlet 111 of the box body 11 are arranged on the same side of the box body 11 . This embodiment is illustrated as an example, but not limited to this. .

The two ends of the return pipe 26 are respectively connected to a third end 143 of the first three-way pipe 14 and a third end 163 of the second three-way pipe 16 to recover the excess fluid from the second three-way pipe 16 and transfer the The excess fluid flows back to the fluid inlet 151 of the motor 15 . The third valve 23 is disposed between the return pipe 26 and the third end 163 of the second three-way pipe 16 to manually control whether to return or the magnitude of the fluid flow of the return.

With the above structure, the rotational speed sensor 21 senses a rotational speed of the shaft center 153 of the motor 15, and transmits a signal of the rotational speed to the control unit 19, and the control unit 19 calculates a liquid output amount according to the signal of the rotational speed, and The motor 15 is then controlled to increase or decrease the rotational speed compared to the set liquid output, thereby controlling an actual liquid output from the liquid outlet 111 of the box 11 to make the actual liquid output equal to the set liquid output. When the actual liquid output is equal to the set liquid output, the control unit 19 controls the solenoid valve 18 to close to close the output of the fluid. In this way, the desired liquid volume can be accurately output, and the principle of equal volume and fairness can be achieved, so as to avoid consumer complaints and dissatisfaction.

100: Fluid Vending Equipment 11: Box 111: Liquid outlet 12: Liquid storage tank 13: Inlet pipe 14: The first tee 141: First End 142: Second End 143: Third End 15: Motor 151: liquid inlet 152: Liquid outlet 153: Axis 16: Second tee 161: First End 162: Second End 163: Third End 17: Pricing unit 18: Solenoid valve 19: Control unit 20: Power 21: Speed sensor 211: Rotary piece 212: Induction sheet 22: The first valve 23: Second valve 24: The third valve 25: Display panel 26: Return pipe 200: Container

FIG. 1 is a schematic view showing the appearance of the fluid selling apparatus of the present invention.

FIG. 2 is a schematic diagram showing the internal structure of the fluid selling apparatus of the present invention.

3 is a schematic perspective view showing a motor counting device in the fluid selling apparatus of the present invention.

142: Second End

15: Motor

151: liquid inlet

152: Liquid outlet

153: Axis

161: First End

21: Speed sensor

211: Rotary piece

212: Induction sheet

Claims (10)

A motor counting device for fluid selling equipment, the liquid selling equipment comprises a box, a liquid storage barrel, a liquid inlet pipe, a first three-way pipe, a motor, a second three-way pipe, a pricing unit, A solenoid valve, a control unit and a power supply, the liquid storage tank is arranged inside or outside the box, the liquid storage tank is communicated with the liquid inlet pipe, and the other end of the liquid inlet pipe is connected with the first three-way pipe A first end of the first tee is communicated with a liquid inlet of the motor, a liquid outlet of the motor is communicated with a first end of the second tee, the motor Electrically connected with the control unit and the power supply, a second end of the second three-way pipe is connected to a liquid outlet of the box body, and the solenoid valve is arranged at the second end of the second three-way pipe and the A predetermined place between the liquid outlet of the box, and the solenoid valve is electrically connected with the control unit and the power supply, the pricing unit is arranged on one side of the box, and is electrically connected with the control unit and the power supply. The charging unit provides the control unit according to a charging amount to convert it into a set liquid output, and is characterized in that: The motor is connected with a rotational speed sensor, and the rotational speed sensor is electrically connected with the control unit and the power supply; The rotational speed sensor senses a rotational speed of a shaft center of the motor, and transmits a signal of the rotational speed to the control unit, and the control unit calculates a liquid output according to the signal of the rotational speed, and compares the The set liquid output is then controlled to increase or decrease the rotational speed of the motor, and then an actual liquid output from the liquid outlet of the box is controlled to make the actual liquid output equal to the set liquid output. The motor counting device for a fluid selling device as claimed in claim 1, wherein the rotational speed sensor is a pulse generator. The motor counting device for a fluid selling device as claimed in claim 2, wherein the pulse generator comprises a rotating piece and two induction pieces, the rotating piece is connected to the shaft center of the motor and is substantially perpendicular to the shaft center, The rotating piece can be rotated with the shaft center, the two sensing pieces are spaced apart from each other, and the rotating piece can pass through a space between the two sensing pieces when rotating. The motor counting device of the fluid selling equipment as claimed in claim 1, further comprising a first valve disposed between the liquid storage tank and the liquid inlet pipe. The motor counting device of the fluid selling equipment as claimed in claim 1 may include a second valve disposed between the second end of the second three-way pipe and the solenoid valve. The motor counting device of the fluid selling equipment as claimed in claim 1, further comprising a display panel, disposed on one side of the box body, at least displaying the valuing amount and the set liquid output amount of the valuing unit. The motor counting device for a fluid selling device as claimed in claim 1, further comprising a return pipe, two ends of the return pipe are respectively connected to a third end of the first three-way pipe and a first three-way pipe of the second three-way pipe. three ends. The motor counting device for a fluid selling device as claimed in claim 7, further comprising a third valve disposed between the return pipe and the third end of the second three-way pipe. The motor counting device of a fluid selling device according to claim 1, wherein the liquid storage tank stores a fluid, at least including a thick liquid cleaning soap. The motor counting device of the fluid selling equipment as claimed in claim 6, wherein the display panel, the pricing unit and the liquid outlet of the case are arranged on the same side of the case.

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