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Fast transformation system based on triode common-emitter symmetric amplifying circuit

A technology of amplifying circuit and inverter system, which is applied in the field of electronics, can solve problems such as unstable alternating current, and achieve the effects of stable alternating current, saving energy consumption and improving efficiency

Inactive Publication Date: 2015-08-19
CHENGDU CHUANGTU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect of unstable alternating current output by the traditional inverter system, and provide a fast inverter system based on triode common-emitter symmetrical amplifier circuit

Method used

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  • Fast transformation system based on triode common-emitter symmetric amplifying circuit
  • Fast transformation system based on triode common-emitter symmetric amplifying circuit

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Embodiment

[0022] like figure 1 As shown, the present invention includes a transformer T1, an inverter circuit, a conversion circuit connected to the inverter circuit, a processing circuit connected to the conversion circuit, a low-pass filter circuit connected to the primary side of the transformer T1, and a low-pass filter circuit In order to achieve the purpose of the present invention, the voltage stabilizing circuit connected with each other is also provided with a triode common-emitter symmetrical amplifier circuit between the voltage stabilizing circuit and the processing circuit.

[0023] Wherein, triode common-emitter symmetrical amplifying circuit is the key point of the present invention, as figure 2 As shown, it consists of transistor VT7, transistor VT8, resistor R12, resistor R13, resistor R14, resistor R15, polar capacitor C10, polar capacitor C11, diode D9, diode D10, diode D11, diode D12 and diode D13. When connected, the N pole of the diode D9 is connected to the base...

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Abstract

The present invention discloses a fast inverter system mainly consisting of an inverter circuit, a processing circuit connected with the inverter circuit, a voltage regulator circuit connected with the processing circuit, a low-pass filter circuit connected with the voltage regulator circuit and a transformer T1 connected with the low-pass filter circuit, wherein a switch circuit is further disposed at an input of the inverter circuit; the switch circuit consists of a triode VT1, a bidirectional trigger diode K, a resistor R2 with one end connected with the inverter circuit and the other end connected with a base of the triode VT1, a capacitor C1 with a cathode connected with the T2 pole of the bidirectional trigger diode K and an anode connected with the T1 pole of the bidirectional trigger diode K through the resistor R1 and the like. The fast inverter system of the present invention can speed up the activation of the inverter system under the action of the switch circuit, thereby improving the efficiency of the inverter system.

Description

technical field [0001] The invention relates to the field of electronics, in particular to a fast inverter system based on triode common-emitter symmetrical amplifying circuits. Background technique [0002] Inverters convert DC power into AC power. It is widely used in air conditioners, home theaters, electric grinding wheels, electric tools, sewing machines, DVD, VCD, computers, TVs, washing machines, range hoods, refrigerators, VCRs, massagers, fans, lighting, etc. In foreign countries, due to the high penetration rate of automobiles, the inverter can be used to connect the battery to drive electrical appliances and various tools to work when going out to work or travel. Connect household appliances to the output of the power converter to use various appliances in the car. [0003] However, the currently used inverter system tends to cause fluctuations in the current when amplifying the converted AC power, which has a great impact on the use of electrical appliances, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/537H02M1/12H02M1/36
CPCH02M1/126H02M1/36
Inventor 周云扬
Owner CHENGDU CHUANGTU TECH
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