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Electronic device and circuit

A technology of electronic device and motor drive circuit, applied in the direction of reduction device, starting device, motor generator control of AC motor, etc., can solve the problem of inconsistent starting time of associated working elements, and achieve the effect of starting time synchronization

Inactive Publication Date: 2017-04-19
JOHNSON ELECTRIC SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In some cases, there is an inconsistency in the startup time of the associated work elements, which can easily lead to various problems

Method used

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  • Electronic device and circuit
  • Electronic device and circuit
  • Electronic device and circuit

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Embodiment Construction

[0033] Please also refer to figure 1 , is a functional block diagram of some components of the electronic device 100 in an embodiment of the present invention. The electronic device 100 includes a circuit 101 . The circuit 101 includes a start-up time control circuit 1 , a first working element 2 and a second working element 3 . The start-up time control circuit 1 is preferably a delay circuit for controlling and adjusting the start-up time of the first working element 2 to be synchronized with the start-up time of the second working element 3 .

[0034] Please also refer to figure 2 , is a specific circuit diagram of the circuit 101 in the electronic device 100 in an embodiment of the present invention. Such as figure 2 As shown, the electronic device 100 also includes a power access unit 4 , which is used to access a power supply voltage, and includes a positive output terminal 41 and a negative output terminal 42 . The first working element 2 has a first starting vol...

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PUM

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Abstract

The invention provides a circuit. The circuit comprises a start time control circuit, a first work element and a second work element, wherein a start voltage of the first work element is smaller than a start voltage of the second work element, and the start time control circuit is used for controlling adjustment on the start time of the first work element to realize synchronization with the start time of the second work element. The invention further provides an electronic device having the circuit. Through the circuit and the electronic device, the start time of the different work elements of the electronic device can be synchronized through a simple structure, and synchronous start is realized.

Description

[0001] 【Technical field】 [0002] The invention relates to an electronic device and a circuit. [0003] 【Background technique】 [0004] Some current electronic devices, such as hair dryers, vacuum cleaners, power tools, etc., often have several working elements. Generally, the start-up voltages of the working elements are different, so that after the system is powered on, the working elements will start one after another. In some cases, the start-up time of the associated working elements is inconsistent, which can easily lead to various problems. [0005] 【Content of invention】 [0006] In view of the above circumstances, the present invention provides an electronic device and a circuit, which can realize the start-up time synchronization of the working elements with different start-up voltages in the electronic device. [0007] An electronic device includes a motor and a motor drive circuit, the motor drive circuit includes a first working element, a second working element...

Claims

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Application Information

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IPC IPC(8): H02P1/18
CPCH02K11/33B62D5/0406H02P6/26H02P1/026H02P27/06H02P1/16H02P6/20
Inventor 马海波罗育东吴家龙梁玉泉
Owner JOHNSON ELECTRIC SHENZHEN