阅读说明：本技术 厨房电器共用的电机控制电路及其控制方法 (Motor control circuit shared by kitchen appliances and control method thereof ) 是由 罗淦恩 高宁 潘叶江 于 2020-05-07 设计创作，主要内容包括：本发明公开了一种厨房电器共用的电机控制电路及其控制方法,其中,厨房电器共用的电机控制电路包括控制模块、芯片组模块、继电器组模块、驱动模块和终端电机模块,所述控制模块和驱动模块电性连接,所述驱动模块通过继电器组模块与终端电机模块电性连接,所述继电器组模块与控制模块之间还电性连接有芯片组模块,所述控制模块通过芯片组模块选择导通继电器组模块以控制终端电机模块内不同的电机工作,所述控制模块通过控制驱动模块变更不同功率以驱动相应的电机工作。本发明使厨房电器的多个电机共用一套电机控制电路,核心部件单一化,节约厨房空间,降低厨房电器整体耗电量和成本,还有利于维护检修,实现了多个厨房电器集成系统的联动控制。(The invention discloses a common motor control circuit for kitchen appliances and a control method thereof, wherein the common motor control circuit for the kitchen appliances comprises a control module, a chip set module, a relay set module, a drive module and a terminal motor module, the control module is electrically connected with the drive module, the drive module is electrically connected with the terminal motor module through the relay set module, the chip set module is also electrically connected between the relay set module and the control module, the control module selectively switches on the relay set module through the chip set module to control different motors in the terminal motor module to work, and the control module controls the drive module to change different powers to drive the corresponding motors to work. The invention enables a plurality of motors of the kitchen appliance to share one set of motor control circuit, simplifies core components, saves kitchen space, reduces the overall power consumption and cost of the kitchen appliance, is also beneficial to maintenance and overhaul, and realizes linkage control of a plurality of kitchen appliance integrated systems.)

1. The utility model provides a motor control circuit that kitchen appliance shared, its characterized in that, includes control module (1), chipset module (2), relay group module (3), drive module (4) and terminal motor module (5), control module (1) and drive module (4) electric connection, drive module (4) are through relay group module (3) and terminal motor module (5) electric connection, it has chipset module (2) still to electric connection between relay group module (3) and control module (1), control module (1) selects through chipset module (2) to switch on relay group module (3) with the motor work of control terminal motor module (5) interior difference, control module (1) changes different power with the corresponding motor work of drive through control drive module (4).

2. The motor control circuit shared by kitchen appliances according to claim 1, wherein the chipset module (2) comprises a first chip U1 and a second chip U2, a first pin of the first chip U1 is connected to a pin U1_ EN of the control module (1), a second pin of the first chip U1 is connected to a pin V1_ EN of the control module (1), a third pin of the first chip U1 is connected to a pin W1_ EN of the control module (1), a fourth pin of the first chip U1 is grounded, and a fifth pin of the first chip U1 is connected to the power supply; the first pin of the second chip U2 is connected with the pin U2_ EN of the control module (1), the second pin of the second chip U2 is connected with the pin V2_ EN of the control module (1), the third pin of the second chip U2 is connected with the pin W2_ EN of the control module (1), the fourth pin of the second chip U2 is grounded, and the fifth pin of the second chip U2 is connected with power.

3. The motor control circuit common to kitchen appliances of claim 2, the relay group module (3) comprises a first relay RY1, a second relay RY2, a third relay RY3, a fourth relay RY4, a fifth relay RY5 and a sixth relay RY6, two coil pins of the first relay RY1 are respectively connected with the sixth pin of the first chip U1 and the power supply, two coil pins of the second relay RY2 are respectively connected with the seventh pin of the first chip U1 and the power supply, two coil pins of the third relay RY3 are respectively connected with the eighth pin of the first chip U1 and the power supply, two coil pins of the fourth relay RY4 are respectively connected with the sixth pin of the second chip U2 and the power supply, two coil pins of the fifth relay RY5 are respectively connected with the seventh pin of the second chip U2 and the power supply, two coil pins of the sixth relay RY6 are respectively connected with the eighth pin of the second chip U2 and the power supply.

4. The common motor control circuit of kitchen appliances according to claim 3, characterized in that the drive module (4) comprises an IPM chip, pin U of the IPM chip is connected with one normally open contact pin of the third relay RY3 and one normally open contact pin of the sixth relay RY6, pin V of the IPM chip is connected with one normally open contact pin of the second relay RY2 and one normally open contact pin of the fifth relay RY5, pin W of the IPM chip is connected with one normally open contact pin of the first relay RY1 and one normally open contact pin of the fourth relay RY4, pin UL of the IPM chip is connected with pin UL of the control module (1), pin UH of the IPM chip is connected with pin UH of the control module (1), pin VL of the IPM chip is connected with pin VL of the control module (1), and pin VH of the IPM chip is connected with pin VH of the control module (1), the pin WL of the IPM chip is connected with the pin WL of the control module (1), and the pin WH of the IPM chip is connected with the pin WH of the control module (1).

5. A motor control circuit common to kitchen appliances according to claim 4, characterized in that the terminal motor module (5) comprises two or more motors.

6. The motor control circuit shared by kitchen appliances according to claim 5, characterized in that the terminal motor module (5) includes a first motor control port CN1 and a second motor control port CN2, a pin U1 of the first motor control port CN1 connects another normally open contact pin of the third relay RY3 and a pin UBEMF of the control module (1), a pin V1 of the first motor control port CN1 connects another normally open contact pin of the second relay RY2 and a pin VBEMF of the control module (1), a pin W1 of the first motor control port CN1 connects another normally open contact pin of the first relay 1 and a pin WBEMF of the control module (1); pin U2 of the second motor control port CN2 is connected with the other normally open contact pin of the sixth relay RY6 and pin UBEMF of the control module (1), pin V2 of the second motor control port CN2 is connected with the other normally open contact pin of the fifth relay RY5 and pin VBEMF of the control module (1), and pin W2 of the second motor control port CN2 is connected with the other normally open contact pin of the fourth relay RY4 and pin WBEMF of the control module (1).

7. The motor control circuit shared by kitchen appliances as claimed in claim 6, wherein the first chip U1 and the second chip U2 are both ULN 2001D.

8. The motor control circuit shared by kitchen appliances according to claim 6 or 7, wherein the first motor and the second motor are both DC brushless motors, and the control signal of the DC brushless motors is U, V, W.

9. A control method based on a motor control circuit shared by kitchen appliances according to any one of claims 1 to 8, characterized by comprising the steps of:

s1, the control module selectively switches on the relay group module through the control chip group module to control different motors in the terminal motor module to work;

and S2, the control module controls the driving module to change different powers so as to drive the corresponding motor to work.

10. The method of controlling a motor control circuit common to kitchen appliances according to claim 9, further comprising: and S3, the control module determines the rotor position according to the back electromotive force signal fed back by the driving module, and further realizes the continuous rotation control of the driving module.

Technical Field

The invention belongs to the technical field of direct current frequency conversion, and particularly relates to a common motor control circuit for kitchen appliances and a control method thereof.

Background

Range hood and kitchen air conditioner gradually become the indispensable electrical apparatus of kitchen culinary art day by day, and both all are based on motor control system, and to frequency conversion range hood, motor system drive wind wheel rotates, and to frequency conversion air conditioner, motor system drive compressor acting, both all pass through the same conversion process: the alternating current is rectified into direct current, and the direct current is inverted into alternating current with adjustable frequency and amplitude to drive the variable frequency motor to run.

However, in a narrow kitchen space, the maximization of available space is a pain point of most users, which puts high requirements on the high integration of kitchen appliances, and most of the range hoods and kitchen air conditioners in the current market are independent devices, and a scheme for innovatively fusing the motor systems of the range hoods and the kitchen air conditioners is lacked.

Disclosure of Invention

In order to solve the problems, the invention provides a common motor control circuit for kitchen appliances, which realizes high integration of kitchen appliances and saves kitchen space by innovatively fusing the kitchen appliances.

The invention also aims to provide a control method of the motor control circuit shared by the kitchen appliances.

The technical scheme adopted by the invention is as follows:

the utility model provides a motor control circuit of kitchen appliance sharing, includes control module, chipset module, relay group module, drive module and terminal motor module, control module and drive module electric connection, drive module passes through relay group module and terminal motor module electric connection, it has the chipset module still to go back electric connection between relay group module and the control module, control module switches on the work of different motors in relay group module and the control terminal motor module through chipset module selection, control module changes different powers through control drive module and works with the corresponding motor of drive.

Preferably, the chipset module comprises a first chip U1 and a second chip U2, a first pin of the first chip U1 is connected to a pin U1_ EN of the control module, a second pin of the first chip U1 is connected to a pin V1_ EN of the control module, a third pin of the first chip U1 is connected to a pin W1_ EN of the control module, a fourth pin of the first chip U1 is grounded, and a fifth pin of the first chip U1 is connected to the power supply; a first pin of a second chip U2 is connected with a pin U2_ EN of a control module, a second pin of the second chip U2 is connected with a pin V2_ EN of the control module, a third pin of the second chip U2 is connected with a pin W2_ EN of the control module, a fourth pin of the second chip U2 is grounded, and a fifth pin of the second chip U2 is connected with power.

Preferably, the relay group module comprises a first relay RY1, a second relay RY2, a third relay RY3, a fourth relay RY4, a fifth relay RY5 and a sixth relay RY6, wherein two coil pins of the first relay RY1 are respectively connected with the sixth pin of the first chip U1 and the power supply, two coil pins of the second relay RY2 are respectively connected with the seventh pin of the first chip U1 and the power supply, two coil pins of the third relay RY3 are respectively connected with the eighth pin of the first chip U1 and the power supply, two coil pins of the fourth relay RY4 are respectively connected with the sixth pin of the second chip U2 and the power supply, two coil pins of the fifth relay RY5 are respectively connected with the seventh pin of the second chip U2 and the power supply, and two coil pins of the sixth relay RY6 are respectively connected with the eighth pin of the second chip U2 and the power supply.

Preferably, the drive module comprises an IPM chip, a pin U of the IPM chip is connected with a normally open contact pin of the third relay RY3 and a normally open contact pin of the sixth relay RY6, pin V of the IPM chip is connected with a normally open contact pin of the second relay RY2 and a normally open contact pin of the fifth relay RY5, a pin W of the IPM chip is connected with a normally open contact pin of the first relay RY1 and a normally open contact pin of the fourth relay RY4, the pin UL of the IPM chip is connected with the pin UL of the control module, the pin UH of the IPM chip is connected with the pin UH of the control module, the pin VL of the IPM chip is connected with the pin VL of the control module, the pin VH of the IPM chip is connected with the pin VH of the control module, the pin WL of the IPM chip is connected with the pin WL of the control module, and the pin WH of the IPM chip is connected with the pin WH of the control module.

Preferably, the terminal motor module 5 includes two or more motors.

Preferably, the terminal motor module comprises a first motor control port CN1 and a second motor control port CN2, a pin U1 of the first motor control port CN1 is connected with another normally open contact pin of the third relay RY3 and a pin UBEMF of the control module, a pin V1 of the first motor control port CN1 is connected with another normally open contact pin of the second relay RY2 and a pin VBEMF of the control module, and a pin W1 of the first motor control port CN1 is connected with another normally open contact pin of the first relay RY1 and a pin WBEMF of the control module; pin U2 of the second motor control port CN2 is connected to the other normally open contact pin of the sixth relay RY6 and pin UBEMF of the control module, pin V2 of the second motor control port CN2 is connected to the other normally open contact pin of the fifth relay RY5 and pin VBEMF of the control module, and pin W2 of the second motor control port CN2 is connected to the other normally open contact pin of the fourth relay RY4 and pin WBEMF of the control module.

Preferably, the first chip U1 and the second chip U2 are both ULN 2001D.

Preferably, the first motor and the second motor are both direct current brushless motors, and the control signal of the direct current brushless motor is U, V, W.

The other technical scheme of the invention is realized as follows:

a control method based on a motor control circuit shared by kitchen appliances is characterized by comprising the following steps:

s1, the control module selectively switches on the relay group module through the control chip group module to control different motors in the terminal motor module to work;

and S2, the control module controls the driving module to change different powers so as to drive the corresponding motor to work.

Preferably, the method further comprises the following steps:

and S3, the control module determines the rotor position according to the back electromotive force signal fed back by the driving module, and further realizes the continuous rotation control of the driving module.

Compared with the prior art, the motor control circuit shared by the kitchen appliances has the advantages that the control module selectively switches on the relay group module through the chip group module to control different motors in the terminal motor module to work, the control module changes different powers through controlling the driving module to drive the corresponding motors to work, so that the motors of a plurality of kitchen appliances share one set of motor control circuit, core components are simplified, the kitchen space is saved, the integral power consumption and cost of the kitchen appliances are reduced, the maintenance and repair are facilitated, and the linkage control of a plurality of kitchen appliance integrated systems is realized.

Drawings

Fig. 1 is a circuit diagram of a motor control circuit shared by kitchen appliances provided in embodiment 1 of the present invention;

fig. 2 is a flowchart of a control method of a common motor control circuit for kitchen appliances according to embodiment 2 of the present invention.

Description of the reference numerals

The system comprises a control module, a chip set module, a relay set module, a 4-driving module and a 5-terminal motor module, wherein the control module is used for controlling the power supply of the power supply, the chip set module is used for controlling the power supply of the power supply, the relay set module is used for controlling the power supply of the power supply, the.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.