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Adjustable multipurpose power source

A technology of power supply and voltage regulating circuit, applied in the field of power supply, can solve the problems of low output power of DC power supply, easy to generate high voltage, bad output waveform, etc., and achieve the effect of continuously adjustable input and output voltage, good waveform and superior performance

Inactive Publication Date: 2011-06-29
章祖文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the power supply is mostly single-purpose power supply, which is inconvenient in places where multiple power supplies are required
Moreover, the AC power supply adopts thyristor voltage regulation, the output waveform is not good, the high voltage is easy to be generated on the frequency conversion power switch tube, the control circuit is complicated, and the output power of the DC power supply is small.

Method used

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  • Adjustable multipurpose power source
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  • Adjustable multipurpose power source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings. Embodiment 1: Adjustable multi-purpose power supply 1

[0016] Adjustable multi-purpose power supply 1 is composed of capacitor voltage regulating circuit, type A thyristor voltage regulating circuit, type A triode voltage regulating circuit, type A inverting switch signal amplifying circuit, type A inverting switching circuit, frequency conversion transformer load circuit, self-adaptive Filtering circuit, step-down adaptive voltage regulation circuit, DC voltage and current synthesis circuit, DC output voltage and current sampling circuit, sampling signal amplification circuit and amplified sampling signal control circuit, inverting switch signal generation circuit, rectification and filtering circuit, alarm circuit and Auxiliary power circuit composition.

[0017] The capacitor voltage regulating circuit is composed of t...

Embodiment 2

[0036] Embodiment 2: Adjustable multi-purpose power supply 2

[0037] The circuit composition of the adjustable multi-purpose power supply 2 is basically the same as that of Embodiment 1, the difference is that: figure 1 The A-type triode voltage regulating circuit in the image 3 The B-type triode voltage regulating circuit in the replacement.

[0038] The B-type transistor voltage regulating circuit consists of the 17th composite transistor GTR17, the 18th composite transistor GTR18, the 19th to the 21st transistors BG19--BG21, the 10th adjustable resistor W10, the 65th resistor R65, the 66th resistor R66, and the 77th to 21st transistors. The 89th diode D77-D89 is composed of the anode of the 78th diode D78, the cathode of the 82nd diode D82, the common terminal of the anode of the 88th diode D88 is connected to the A terminal of the first switch K1, the cathode of the 78th diode D78 is connected to the cathode of the 81st diode D81, The anode of the 85th diode D85, the c...

Embodiment 3

[0039] Embodiment 3: Adjustable multi-purpose power supply 3

[0040] The circuit composition of the adjustable multi-purpose power supply 3 is basically the same as that of Embodiment 1, the difference is that: figure 2 The A-type inverting switch signal amplifying circuit and the A-type inverting switching circuit are composed of attached Figure 7 The B-type inverting switch signal amplifier circuit and the B-type inverting switch circuit are replaced.

[0041] The B-type inverting switch signal amplifying circuit consists of a B-type first inverting switch signal amplifying circuit, a B-type second inverting switching signal amplifying circuit, a B-type third inverting switching signal amplifying circuit and a B-type fourth inverting switching signal The amplifier circuit consists of:

[0042] Type B first inverting switch signal amplifying circuit consists of the 15th field effect transistor NMOS15, the 22nd triode BG22, the 23rd triode BG23, the 67th resistor R67, the...

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PUM

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Abstract

The invention discloses an adjustable multi-functional power supply, comprising a capacitor voltage-adjusting circuit, an auxiliary power circuit, a reverse-phase switch signal generation circuit, a rectifier filter circuit and an alarming circuit. The adjustable multi-functional power supply is characterized in that the power supply also comprises a controllable silicon voltage-adjusting circuit, a triode voltage-adjusting circuit, a reverse-phase switch signal amplification circuit, a reverse-phase switch circuit, a frequency conversion transformer load circuit, a self-adaptive filter circuit, a self-adaptive voltage-adjusting circuit by sequentially reducing the voltage, a DC voltage current synthesis circuit, a DC output voltage current sampling circuit, a sampling signal amplification circuit and an amplification sampling signal control circuit. The adjustable multifunctional power supply also comprises a DC over-voltage over-current alarming circuit. The adjustable multi-functional power supply designs the adjustable AC power supply to the parallel circuit of the capacitor voltage-adjusting circuit, the controllable silicon voltage-adjusting circuit and the triode voltage-adjusting circuit, leads the non-sinusoidal characteristic of the controllable silicon voltage-adjusting circuit to be compensated and has the characteristic of large power simultaneously. The adjustable multi-functional power supply has the advantages that the input voltage and the output voltage are continuous and adjustable, the power is large and the waveform is excellent.

Description

technical field [0001] The invention relates to a power supply, in particular to an adjustable multipurpose power supply composed of an adjustable AC power supply, an adjustable frequency conversion power supply and an adjustable DC voltage and current source. Background technique [0002] At present, the power supply is mostly a single-purpose power supply, which is inconvenient in places where multiple power supplies are required. Moreover, the AC power supply adopts thyristor voltage regulation, the output waveform is not good, high voltage is easily generated on the frequency conversion power switch tube, the control circuit is complicated, and the output power of the DC power supply is small. Contents of the invention [0003] The object of the present invention is to provide an adjustable multi-purpose power supply with continuously adjustable voltage and current, high power and good waveform. [0004] The object of the present invention is achieved in this way: the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M5/06H02M5/257H02M5/293H02M7/06H02M7/537H02M3/335
CPCY02B70/1475Y02B70/10
Inventor 章祖文
Owner 章祖文
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