阅读说明：本技术 一种电动式抽屉座及其控制方法 (Electric drawer seat and control method thereof ) 是由 朱家逵 包志舟 刘添喜 谷冠鹏 黄朝波 郑蓓微 张科祥 刘伦 万洲瑞 罗驰福 叶 于 2021-03-22 设计创作，主要内容包括：本发明公开了一种电动式抽屉座及其控制方法,其中,抽屉座包括抽屉座本体和抽屉座驱动装置,驱动装置包括：电源适配模块、控制模块、步进电机驱动器、步进电机,其中,电源适配模块,用于将接入的交流电源进行适配后分别为控制模块和步进电机驱动器提供电源；步进电机驱动器通过接收控制模块的脉冲信号,驱动步进电机连动抽屉座动作。本发明通过控制模块对接收的外部控制终端发送的指令信号进行脉冲转换后产生脉冲信号,步进电机驱动器接收到脉冲信号后将其放大,使步进电机进行可控的正转、反转以及可调速度运行,通过脉冲信号的频率控制步进电机的速度及加速度,完成抽屉座的电动操作,减少了工作时间,提高了工作效率。(The invention discloses an electric drawer seat and a control method thereof, wherein the drawer seat comprises a drawer seat body and a drawer seat driving device, and the driving device comprises: the stepping motor comprises a power supply adaptation module, a control module, a stepping motor driver and a stepping motor, wherein the power supply adaptation module is used for adapting an accessed alternating current power supply and then respectively providing power supplies for the control module and the stepping motor driver; the stepping motor driver drives the stepping motor to be linked with the drawer seat to act by receiving the pulse signal of the control module. According to the invention, the control module is used for carrying out pulse conversion on the received instruction signal sent by the external control terminal to generate the pulse signal, the stepping motor driver is used for amplifying the pulse signal after receiving the pulse signal, so that the stepping motor can carry out controllable forward rotation, reverse rotation and adjustable speed operation, the speed and the acceleration of the stepping motor are controlled through the frequency of the pulse signal, the electric operation of the drawer seat is completed, the working time is reduced, and the working efficiency is improved.)

1. An electric drawer base, comprising: drawer seat body and drawer seat drive arrangement, drive arrangement includes: a power supply adapting module, a control module, a stepping motor driver and a stepping motor, wherein,

the power supply adapting module is used for adapting an accessed alternating current power supply and then respectively providing power supplies for the control module and the stepping motor driver;

the stepping motor driver drives the stepping motor to be linked with the drawer seat to act by receiving the pulse signal of the control module.

2. The electrically operated drawer base according to claim 1, wherein the control module is configured to perform pulse conversion on a received command signal transmitted from an external control terminal to generate a pulse signal.

3. The electrically operated drawer base of claim 2, wherein the command signal comprises: starting signals, stopping signals, disconnection limiting signals, test limiting signals and connection limiting signals.

4. The electromotive drawer base according to claim 3, wherein the driving direction of the stepping motor includes: forward rotation and reverse rotation.

5. The electromotive drawer base according to claim 4, wherein the stepping motor driver amplifies the pulse signal received, so that the stepping motor performs a controlled forward/reverse rotation and an adjustable speed operation to switch the mechanical mechanism between the disconnected position, the testing position and the connected position.

6. The motorized drawer mount of claim 1, wherein the power adapter module is adapted to adapt a voltage of 24V dc for the control module and 5V dc for the stepper motor driver.

7. The electrically operated drawer base according to claim 3, wherein the stepping motor is configured to convert a pulse signal into an angular displacement or a linear displacement to drive the drawer base to move.

8. The electromotive drawer base according to claim 7, wherein the frequency of the pulse signal is used to control the speed and acceleration of the stepping motor.

9. An electric drawer base control method according to any one of claims 1 to 8, the method comprising:

acquiring a command signal for controlling the drawer seat;

generating a pulse signal after pulse conversion is carried out on the received command signal;

and amplifying the pulse signal, and converting the pulse signal into angular displacement or linear displacement to drive the drawer seat to act.

Technical Field

The invention relates to the technical field of low-voltage electric appliances, in particular to an electric drawer base and a control method thereof.

Background

Because the traditional drawer seat is manually operated and the product is heavy, when the strength of a user is insufficient, the product cannot be shaken to a designated working position, and the product cannot reliably work. The power transmission device is not well applicable in the years of current scientific and technological development and high and new technology industry, power failure suddenly occurs when a power system fails, and power transmission needs to be performed urgently after maintenance.

Disclosure of Invention

Therefore, the electric drawer seat and the control method thereof provided by the invention overcome the defects of difficult operation, time and labor waste and low working efficiency of the drawer seat in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

in a first aspect, an embodiment of the present invention provides an electric drawer base, including: drawer seat body and drawer seat drive arrangement, drive arrangement includes: a power supply adapting module, a control module, a stepping motor driver and a stepping motor, wherein,

the power supply adapting module is used for adapting an accessed alternating current power supply and then respectively providing power supplies for the control module and the stepping motor driver;

the stepping motor driver drives the stepping motor to be linked with the drawer seat to act by receiving the pulse signal of the control module.

Optionally, the control module is configured to perform pulse conversion on a received instruction signal sent by an external control terminal to generate a pulse signal.

Optionally, the instruction signal includes: starting signals, stopping signals, disconnection limiting signals, test limiting signals and connection limiting signals.

Optionally, the driving direction of the stepping motor comprises: forward rotation and reverse rotation.

Optionally, the stepping motor driver amplifies the pulse signal after receiving the pulse signal, so that the stepping motor performs controllable forward and backward rotation and adjustable speed operation, and the mechanical mechanism performs state conversion of a disconnection position, a test position and a connection position.

Optionally, the power supply adapting module adapts the voltage of the direct current 24V for the control module and adapts the voltage of the direct current 5V for the stepper motor driver.

Optionally, a stepping motor is used for converting the pulse signal into angular displacement or linear displacement to drive the drawer seat to act.

Optionally, the frequency of the pulse signal is used to control the speed and acceleration of the stepper motor.

In a second aspect, an embodiment of the present invention provides a method for controlling an electric drawer base, where the method includes:

acquiring a command signal for controlling the drawer seat;

generating a pulse signal after pulse conversion is carried out on the received command signal;

and amplifying the pulse signal, and converting the pulse signal into angular displacement or linear displacement to drive the drawer seat to act.

The technical scheme of the invention has the following advantages:

1. the invention provides an electric drawer seat, comprising: drawer seat body and drawer seat drive arrangement, drive arrangement includes: the control module is used for carrying out pulse conversion on a received instruction signal sent by the external control terminal and then generating a pulse signal, the stepping motor driver is used for amplifying the pulse signal after receiving the pulse signal, so that the stepping motor can carry out controllable forward, reverse and adjustable speed operation, the speed and acceleration of the stepping motor are controlled through the frequency of the pulse signal, the electric operation of the drawer seat is completed, and the working efficiency is improved.

2. The invention provides a control method of an electric drawer seat, which comprises the following steps: acquiring a command signal for controlling the drawer seat; generating a pulse signal after pulse conversion is carried out on the received command signal; and amplifying the pulse signal, and converting the pulse signal into angular displacement or linear displacement to drive the drawer seat to act. The method provided by the invention realizes the electric operation of the drawer seat, reduces the working time and improves the working efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a block diagram of an electric drawer seat driving device according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a control module of an electric drawer seat driving device according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a stepping motor driver of an electric drawer base driving device according to an embodiment of the present invention;

fig. 4 is another block diagram of an electric drawer base driving device according to an embodiment of the present invention;

fig. 5 is a flowchart illustrating a specific example of a method for controlling an electric drawer base according to an embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

An embodiment of the present invention provides an electric drawer base, including: drawer seat body and drawer seat drive arrangement, as shown in fig. 1, drive arrangement includes: the stepping motor comprises a power supply adaptation module, a control module, a stepping motor driver and a stepping motor, wherein the power supply adaptation module is used for adapting an accessed alternating current power supply and then respectively providing power supplies for the control module and the stepping motor driver; the stepping motor driver drives the stepping motor to be linked with the drawer seat to act by receiving the pulse signal of the control module. The control module is used for generating a pulse signal after pulse conversion is carried out on a received instruction signal sent by the external control terminal, the stepping motor driver is used for amplifying the pulse signal after receiving the pulse signal, so that the stepping motor can carry out controllable positive and negative rotation and adjustable speed operation, the speed and the acceleration of the stepping motor are controlled through the frequency of the pulse signal, the electric operation of the drawer seat is completed, the working time is reduced, and the working efficiency is improved.

In the embodiment of the present invention, after the power adapter module is connected to the ac power supply of the utility power, the power adapter module adapts a voltage of 24V dc for the control module, and adapts a voltage of 5V dc for the stepper motor driver, which is only exemplified, but not limited thereto, and adapts a corresponding power supply according to actual requirements in actual applications.

In the embodiment of the present invention, as shown in fig. 2, the control module performs pulse conversion on a received instruction signal sent by the external control terminal to generate a pulse signal; wherein, the instruction signal that external control terminal sent includes: starting signals, stopping signals, disconnecting limit signals, testing limit signals and connecting limit signals, which are only used as examples, but not limited to the examples, corresponding instruction signals are set according to actual requirements in practical application, and the instruction signals sent by the external control terminal are processed to operate the drawer seat.

In an embodiment of the present invention, the driving direction of the stepping motor includes: the drawer seat is controlled to move forward and backward, and the displacement direction of the drawer seat is controlled by the forward rotation and the backward rotation. As shown in fig. 3, the stepping motor driver receives the pulse signal and amplifies the pulse signal, so that the stepping motor performs controllable forward rotation, controllable reverse rotation and controllable speed operation, and the mechanical mechanism performs state conversion of a disconnection position, a test position and a connection position.

In the embodiment of the invention, the stepping motor is an induction motor, the direct current is changed into the time-sharing power supply, the current controlled by the multiphase time sequence supplies power to the stepping motor, the stepping motor can normally work, and the stepping motor driver supplies power to the stepping motor in a time-sharing manner, so that the working time is reduced, and the working efficiency is improved.

In the embodiment of the invention, an open-loop control element is adopted for converting an electric pulse signal into angular displacement or linear displacement by a stepping motor, under the condition of non-overload, the rotating speed and the stopping position of the motor only depend on the frequency and the pulse number of the pulse signal and are not influenced by load change, when a stepping driver receives a pulse signal, the stepping motor is driven to rotate by a fixed angle called a step angle according to a set direction, the rotation of the stepping motor runs in one step at the fixed angle, and the angular displacement can be controlled by controlling the number of pulses, so that the aim of accurate positioning is fulfilled, and meanwhile, the rotating speed and the acceleration of the motor can be controlled by controlling the pulse frequency, so that the aim of speed regulation is fulfilled.

In one embodiment, as shown in fig. 4, a commercial power ac 220V power is supplied to the power adapter module, and the power adapter module outputs DC24V to the control module; the control module receives external signals such as start, stop, disconnection limit, test limit, connection limit and the like, performs internal design processing, then sends pulse signals to the stepping motor driver, and the stepping motor driver receives the signals, processes the signals and drives the stepping motor to operate according to the instruction requirement. The stepping motor driver needs to be connected with a DC5V power supply of a switching power supply as an enable, and the operation of the stepping motor is completed by outputting a pulse signal to the stepping motor driver through forward rotation and reverse rotation.

According to the electric drawer seat provided by the embodiment of the invention, the control module is used for carrying out pulse conversion on the received command signal sent by the external control terminal to generate the pulse signal, the stepping motor driver is used for amplifying the pulse signal after receiving the pulse signal, so that the stepping motor can carry out controllable forward, reverse and adjustable speed operation, the speed and acceleration of the stepping motor are controlled through the frequency of the pulse signal, the electric operation of the drawer seat is completed, the working time is reduced, and the working efficiency is improved.

Example 2

An embodiment of the present invention provides a method for controlling an electric drawer seat, as shown in fig. 5, including:

step S1: and acquiring a command signal for controlling the drawer seat.

Step S2: and generating a pulse signal after pulse conversion is carried out on the received command signal.

Step S3: and amplifying the pulse signal, and converting the pulse signal into angular displacement or linear displacement to drive the drawer seat to act.

In the embodiment of the invention, the control module performs pulse conversion on a received instruction signal sent by an external control terminal to generate a pulse signal, and the stepping motor driver amplifies the pulse signal after receiving the pulse signal, so that the stepping motor performs controllable forward and backward rotation and adjustable speed operation to make the mechanical mechanism perform state conversion of a disconnection position, a test position and a connection position, and drives the stepping motor to drive the drawer base to act.

The control method of the electric drawer seat provided by the embodiment of the invention realizes the electric operation of the drawer seat, reduces the working time and improves the working efficiency.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.