Device and technology for solving short-circuit hazard and ensuring circuit safety of dust collector
A vacuum cleaner and short-circuit protection technology, applied in the field of devices that solve the short-circuit hazard of vacuum cleaners and ensure the safety of its circuits, can solve the problems of human electric shock casualties, short-circuit hazards of vacuum cleaners, etc., and achieve the effects of avoiding AC interference, reducing the incidence rate, and sufficient power
Inactive Publication Date: 2019-12-17
艾朝君
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Problems solved by technology
[0007] The purpose of the present invention is to overcome the defects of the above-mentioned existing vacuum cleaner technology, and provide a method to solve the safety problems such as electric shock casualties and fire caused by the surge current generated when the wires of the vacuum cleaner are short-circuited, so as to solve the problem of short-circuit hazards of the vacuum cleaner and ensure its circuit safety. And it can protect the safety of other household appliances when a short circuit occurs
Method used
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[0015] Hereinafter, the invention will now be described more fully with reference to the accompanying drawings, in which various embodiments are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
[0016] Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.
[0017] combined with figure 1 As shown, the device and technology for solving the short-circuit hazard of the vacuum cleaner and ensuring its circuit safety are composed of a power socket 1, an unfocused AC switch 2, a breakpoint switch 3, a current transformer 4, and a vacuum cleaner motor 5 in series. The AC switch controller 6 is connected in parallel with the current tr...
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The invention provides a device and technology for solving a short-circuit hazard and ensuring the circuit safety of a dust collector. Firstly, energy is taken from load current by a current transformer to establish a power supply of a control circuit, so that alternating current interference caused by establishing the control circuit by an alternating current power supply which supplies power toa load is avoided. Meanwhile, the output point of the current transformer is changed to be powered by a current source, the key change facilitates that the power supply of the control circuit is not influenced by short circuit or overcurrent of the load, and the power of the power supply is more sufficient when the load is subjected to short circuit or overcurrent, so that the short circuit and overcurrent protection is ensured to be timely and effectively controlled. When the dust collector is short-circuited, a breakpoint switch is immediately started to supply power to an alternating current switch controller, a focus-free alternating current switch is directly controlled to control the alternating current, and electric sparks are generally not generated during the switching or short circuit, so that the occurrence rate of electrical fire disasters is greatly reduced. In addition, the switch is not limited by the switching frequency and free of mechanical wear, thereby being a safety switch with long service life and high reliability.
Description
[0001] 1. Technical field [0002] The invention relates to the field of vacuum cleaner design, and proposes a device and technology for solving the short circuit hazard of the vacuum cleaner and ensuring the safety of the circuit. [0003] 2. Background technology [0004] The invention and use of electricity has brought great changes to people's production and life. The widespread use of electricity has driven lasting and profound structural changes in production. Electricity gradually replaced steam. In the 1870s, as new electricity entered the production field as a new energy source, it became the main power of factory machines, and human history entered the "Electrical Age". Due to the use of electricity, other industrial sectors have also developed rapidly, especially the development of the steel industry, which has made mankind bid farewell to the "cotton era" in the field of materials. Electrification and the advent of the "Steel Age" marked the rise of modern indust...
Claims
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Login to View More IPC IPC(8): H02H3/08H02H1/06
CPCH02H1/06H02H3/08
Inventor 艾朝君
Owner 艾朝君