Sewing machine presser foot control circuit, control method and computer readable storage medium
A sewing machine presser foot and control circuit technology, which is applied in the direction of sewing machine control devices, computer control, sewing machine components, etc., can solve the problems of high noise and uncontrollable sewing machines, etc., and achieve the purpose and advantages of concise and easy-to-understand effect
Active Publication Date: 2021-10-19
JACK SEWING MASCH CO LTD
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Problems solved by technology
[0005]
The embodiment of the present application provides a sewing machine presser foot control circuit, a control method, and a computer-readable storage medium to at least solve the problem that the control circuit of the sewing machine in the related art cannot control the discharge speed of the electromagnet coil and control the presser foot pressing speed and pressure of the sewing machine. The problem of loud noise when the foot is put down
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[0037] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described and illustrated below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application. Based on the embodiments provided in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.
[0038] Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and those skilled in the art can also apply the present application to other similar scenarios. In addition, it can also be understood that although such development efforts may be complex and lengthy, for those of ordinary skill in th...
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The invention relates to a sewing machine presser foot control circuit and method and a computer readable storage medium. The sewing machine presser foot control method comprises the steps that a presser foot releasing instruction input by a user is obtained; according to the presser foot releasing instruction, the second control branch is disconnected from the electromagnet coil, and the electromagnet coil is controlled to release electric energy along follow current of the follow current branch, so that the presser foot is slowly released; and after the electromagnet coil is controlled to release electric energy along the follow current branch to a preset end moment, the first control branch is connected with the follow current branch, so that the presser foot is slowly lowered to a working position. By means of the control circuit, the problems that a control circuit of the sewing machine cannot control the discharging speed of an electromagnet coil and the pressing speed of the presser foot of the sewing machine, and noise is large when the presser foot is placed downwards are solved, and the effect of controlling the strength of the slow release function of the presser foot by changing the length of the preset response time period is achieved.
Description
technical field [0001] The present application relates to the field of control circuits, in particular to a sewing machine presser foot control circuit, a control method and a computer-readable storage medium. Background technique [0002] In sewing machines, electromagnets are widely used, such as for lifting the presser foot, trimming threads, etc. In order to reduce the labor intensity of garment workers, sewing machines usually use electromagnets to control the lifting and lowering of the presser foot. [0003] However, the electromagnet of the sewing machine will be noisy during use, and the cushion pad will be easily damaged, which will further affect the user experience. [0004] At present, the control circuit of the sewing machine in the related art cannot control the discharge speed of the electromagnet coil and the pressing speed of the presser foot of the sewing machine, and no effective solution has been proposed yet. Contents of the invention [0005] The e...
Claims
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IPC IPC(8): H03K19/0175H03K17/687D05B29/02D05B69/10G05B19/042
CPCH03K19/017572H03K17/687D05B29/02D05B69/10G05B19/0423D05D2207/05Y02P90/02
Inventor 朱良华徐永明张华辉罗圆圆
Owner JACK SEWING MASCH CO LTD