Device and technology for solving short-circuit hazard and ensuring circuit safety of electric bath heater
A short-circuit protection and short-circuit current technology, used in emergency power protection, protection against overcurrent, etc., can solve problems such as short-circuit hazards of electric bathroom heaters, human body electric shock casualties, etc., to avoid AC interference, avoid AC interference, and reduce occurrences. rate effect
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 electric bath heater 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 electric bath heater wire is short-circuited, so as to solve the short-circuit hazard problem of the electric bath heater and ensure its safety. The circuit is safe and can protect the safety of other household appliances when a short circuit occurs
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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 of the present invention to solve the short circuit hazard of the electric bath heater and ensure the safety of its circuit are composed of a power socket 1, a non-focus AC switch 2, a breakpoint switch 3, a current transformer 4, and an electric bath heater heating element 5. become. The AC switch controlle...
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The invention provides a device and technology for solving a short-circuit hazard and ensuring the circuit safety of an electric bath heater. According to the invention, 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 to a 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 electric bath heater is short-circuited, a breakpoint switch is immediately startedto 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 super safety switch with long service life and reliability.
Description
[0001] 1. Technical field [0002] The invention relates to the design field of electric bath heaters, and proposes a device and technology for solving the short-circuit hazard of electric bath heaters and ensuring the safety of its circuits. [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 mo...
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IPC IPC(8): H02H1/06H02H3/08
CPCH02H1/06H02H3/08
Inventor 艾朝君
Owner 艾朝君