Proportional amplifier and working method thereof
A proportional amplifier and amplifying module technology, applied in electric controllers, controllers with specific characteristics, etc., can solve the problems of poor heat dissipation performance of electronic components, unreasonable circuit board layout, complex structural design, etc., and achieve circuit board layout. Reasonable, convenient maintenance, reducing the effect of safety hazards
Active Publication Date: 2017-06-13
BAOJI UNIV OF ARTS & SCI
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Problems solved by technology
[0003]
The proportional amplifiers in the prior art have many problems such as complex structural design, unreasonable circuit board layout, poor heat dissipation performance of electronic components, inconvenient maintenance, and potential safety hazards.
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[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0040] Please refer to figure 1 and figure 2 The present invention discloses a proportional amplifier 100 comprising a printed circuit board and an input interface 1 integrated in the printed circuit board and sequentially connected, a signal processing circuit 2, a regulator 3, a power drive module 4, a measurement amplification module 5 and the The input interface 1, the signal processing circuit 2, the regulator 3, the power drive module 4, and the power supply circuit 6 supplied by the measurement amplification...
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The invention discloses a proportional amplifier and a working method thereof. The proportional amplifier comprises a printed circuit board, an input interface, a signal processing circuit, a regulator, a power driving module, a measurement and amplification module and a power supply circuit supplying power for the input interface, the signal processing circuit, the regulator, the power driving module and the measurement and amplification module, wherein the input interface, the signal processing circuit, the regulator, the power driving module and the measurement and amplification module are integrated to the printed circuit board and are sequentially connected, the signal processing circuit comprises an initial current setting module and a slope adjusting module, and the measurement and amplification module comprises an oscillator and a demodulator. The proportional amplifier is simple in structural design, the circuit board is reasonable in layout, the electronic parts and components are good in heat dispersion performance and quick and convenient to maintain, and potential safety hazards are reduced.
Description
technical field [0001] The invention relates to a single-channel proportional control amplifier with electronic feedback, in particular to a proportional amplifier and its working method. Background technique [0002] The proportional amplifier is an important part of the proportional control system of the proportional solenoid valve. Its function is to provide a specific performance current to the proportional solenoid valve, so that the flow or pressure output by the proportional solenoid valve is proportionally controlled by the electronic device. [0003] The proportional amplifier in the prior art has many problems such as complex structural design, unreasonable circuit board layout, poor heat dissipation performance of electronic components, inconvenient maintenance, and potential safety hazards. Contents of the invention [0004] In order to solve the technical problems of the above-mentioned proportional amplifier, the present invention provides a proportional ampl...
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IPC IPC(8): G05B11/42
CPCG05B11/42
Inventor 侯永春郭便张飞鸽田志玲刘力张攀
Owner BAOJI UNIV OF ARTS & SCI