Pump drive system
A drive system and pump set technology, applied in pump control, machine/engine, liquid variable capacity machinery, etc., can solve the problems of low standardization, poor scalability, and large control cabinet volume
Active Publication Date: 2017-09-12
上海上涵自动化科技有限公司
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Problems solved by technology
At present, this type of pump drive system is generally realized by an independent control cabinet, and there are three main problems: first, the degree of standardization is low, different configurations are used for different customer needs, and the scalability is poor; second, the configuration of the electrical components of the control cabinet is complicated. The control cabinet is bulky
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.
[0031] Taking the pump drive system with three pumps as an example, figure 1 It is a schematic diagram of the principle of the pump drive system of the present invention. As shown in the figure, the pump drive system of the present invention specifically includes a control cabinet 1, a frequency conversion integrated motor 2, two power frequency motors 3, power input 4, power output 5, Main signal line 6 , power output 7 , power output 8 , signal transmission line 9 and signal transmission line 10 . The control cabinet 1 includes a touch operation screen 11, a working status indicator light 12, an alarm indicator light 13 and an emergency stop button 14; refer to figure 2 , the frequency conversion integrated motor 2 is composed of a frequency conversion controller 21 and a ...
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The invention discloses a pump set drive system comprising a control cabinet, a variable frequency integrated motor and a power frequency motor. The control cabinet comprises a touch operation screen, a work state indicator lamp, an alarming indicator lamp and an emergency stop button. The variable frequency integrated motor is of an integrated structure of a variable frequency controller and a motor body. A waterproof lock head, a relay and a contactor are arranged on the power frequency motor. Modularized design is adopted for the pump set drive system, the variable frequency controller is directly integrated on a water pump motor, the electrical control component relay and the contactor are arranged on the power frequency motor, and the standard degree is improved; and because part of components and parts are transferred to the motor from the control cabinet, the size of the pump set control cabinet is reduced, and cost of the whole system is reduced.
Description
technical field [0001] The invention relates to a driving system of a pump group, in particular to a driving system of a pump group used in secondary water supply equipment. Background technique [0002] The secondary water supply equipment is a secondary pressurized water supply system that is directly connected to the municipal water supply network and is superimposed on the residual pressure of the municipal pipe network to supply water in series to ensure that the pressure of the municipal pipe network is not less than the set pressure. The secondary water supply equipment makes full use of the pressure of the pipe network, the system is closed, and the secondary pollution of water quality is prevented. It is a new type of pressurized and stable flow device designed for high-rise building water supply. The secondary water supply equipment is generally a variable frequency pump system consisting of 2-6 water pumps. The pump drive system is widely used in the secondary wa...
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IPC IPC(8): F04B49/06
CPCF04B49/06
Inventor 陈拥军
Owner 上海上涵自动化科技有限公司