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A hydraulic group control energy-saving system

An energy-saving system and hydraulic technology, applied in the direction of fluid pressure actuation system components, fluid pressure actuation devices, mechanical equipment, etc., can solve the problem of energy saving space approaching the limit, etc., and achieve the convenience of energy saving, weight reduction and precious space saving. Effect

Active Publication Date: 2015-08-12
宁波和盛达能源科技有限公司
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AI Technical Summary

Problems solved by technology

[0002] Hydraulic energy-saving technology has been widely used in some stand-alone machines, such as the widely used frequency conversion motor energy-saving technology in injection molding machines. These technologies have indeed played a large role in energy saving, but only from the stand-alone point of view, the energy-saving space is close to the limit

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  • A hydraulic group control energy-saving system
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  • A hydraulic group control energy-saving system

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0037] In the implementation example, the present invention provides a principle diagram and a composition method of a group control hydraulic structure constituting a class of single equipment. The invention illustrates the relationship among various structures, the necessary conditions for constituting the energy-saving system and the method for realizing it.

[0038] Such as figure 1 As shown, there are n individual devices (such as injection molding machines) in a region, and these n individual devices share a central hydraulic station. The internal structure of the hydraulic station is shown in figure 2 shown. For details, refer to the following description.

[0039]In actual work, the single equipment we encounter may be more complicated. Some single equipment only needs high-pressure oil supply, some single equipment only needs low-...

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Abstract

A hydraulic group control energy saving system comprises a central hydraulic station and single devices. The hydraulic group control energy saving system is characterized in that the central hydraulic station is provided with an oil supply system, the single devices are provided with S1-S6 button switches, the oil supply system of the central hydraulic station is respectively connected with hydraulic oil inlets of the single devices through pipelines, oil return ports and oil leakage ports of the single devices are respectively connected back to the central hydraulic station through pipelines, the central hydraulic station is controlled by the aid of a PLC (programmable logic controller), communication and parameter transmission are performed between the PLC of the central hydraulic station and each single device, so that a starting signal and a stopping signal of each single device and the period T of a product produced by each single device are uploaded to the PLC of the central hydraulic station, corresponding parameter lists in PLC programs of the central hydraulic station are activated by the button switches on the single devices, and the number of started pumps of the central hydraulic station is controlled by the PLC of the central hydraulic station according to actual production requirements, so that the requirements of hydraulic energy of the single devices are matched. The hydraulic group control energy saving system has the advantages of obvious energy conservation and control stability.

Description

technical field [0001] The invention relates to the field of hydraulic technology, which is a new type of hydraulic energy-saving technology, which is suitable for group control systems of multiple small and medium-sized individual devices such as injection molding machines, machine tools, port cranes, and industrial robots. Background technique [0002] Hydraulic energy-saving technology has been widely used in some stand-alone machines, such as the frequency conversion motor energy-saving technology widely used in injection molding machines. These technologies have indeed played a major role in energy saving, but only from the stand-alone point of view, the energy-saving space is close to the limit. If the hydraulic group control energy-saving technology is used to centralize and manage the required flow of each stand-alone unit, as long as each stand-alone device does not reach the peak flow demand at the same time, the energy-saving space will be obvious. [0003] When t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B21/08
Inventor 何荣志
Owner 宁波和盛达能源科技有限公司
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