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Hydraulic heat exchange system which is provided with piston type pressure relief valve and used for hydraulic bypass

A technology of heat exchange system and pressure relief valve, applied in the direction of fluid pressure actuation system components, safety valve, balance valve, etc., can solve the problems of unbalanced flow, increased pressure, small liquid storage, etc., and achieves high reliability , The effect of not easy to damage

Active Publication Date: 2016-09-14
江苏金荣森制冷科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has a small liquid storage capacity and no buffer. In the case of large temperature difference, low temperature environment, unbalanced flow, liquid with a certain viscosity, and fluid with impact force, the pressure inside the heat dissipation channel of the radiator will also increase. , especially in the case of impact force and relatively high viscosity fluid, due to the resistance of the fluid inside the channel, the fluid cannot quickly pass through the inside of the radiator channel, so that the pressure increases, exceeding the maximum operating pressure of the radiator, and the radiator is very Easily damaged and scrapped

Method used

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  • Hydraulic heat exchange system which is provided with piston type pressure relief valve and used for hydraulic bypass
  • Hydraulic heat exchange system which is provided with piston type pressure relief valve and used for hydraulic bypass
  • Hydraulic heat exchange system which is provided with piston type pressure relief valve and used for hydraulic bypass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1. When the liquid flows from left to right and the main hydraulic circuit is blocked, the pressure at the left end of the piston relief valve is greater than the pressure at the right end, because the pressure in the fluid channel of the piston on the left side of the diaphragm is greater than that of the piston on the right side of the diaphragm The pressure in the fluid channel, the fluid pushes the diaphragm to move to the right, so that the piston also moves to the right. The piston fluid channel flows out through the fluid hole to a fluid channel half cavity on the right, and then flows into the right piston fluid channel, so as to achieve the purpose of pressure relief. At this time, the spring on the left is in a stretched state. The spring on the right is in a compressed state until the pressure on the left and right sides of the diaphragm is equal, the piston returns to its original position, and the main hydraulic circuit returns unobstructed.

Embodiment 2

[0037] Example 2. When the liquid flows from left to right and the main hydraulic circuit is blocked, the pressure at the right end of the piston relief valve is greater than the pressure at the left end, because the pressure in the fluid channel of the piston on the right side of the diaphragm is greater than that of the piston on the left side of the diaphragm The pressure in the fluid channel, the fluid pushes the diaphragm to move to the left, so that the piston also moves to the left. The piston fluid channel flows out through the fluid hole to a fluid channel half cavity on the left, and then flows into the left piston fluid channel, so as to achieve the purpose of pressure relief. At this time, the spring on the right is in a stretched state. The spring on the left is in a compressed state until the pressure on the left and right sides of the diaphragm is equal, the piston returns to its original position, and the main hydraulic circuit returns unobstructed.

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Abstract

The invention relates to a hydraulic heat exchange system which is provided with a piston type pressure relief valve and used for a hydraulic bypass. The hydraulic heat exchange system comprises an equipment heating source, a heat sink and a liquid storage tank which are connected in series in a circulating manner through an oil way. A cooling fan is arranged on one side of the heat sink. The piston type pressure relief valve is arranged on the portion, at the two ends of the heat sink, of the oil way in parallel. The hydraulic heat exchange system has the beneficial effects that reliability is high, the system is not likely to be damaged, and stable operation of the system is guaranteed.

Description

technical field [0001] The invention relates to a hydraulic heat exchange system with a hydraulic bypass of a piston pressure relief valve. Background technique [0002] As we all know, the best oil temperature of the hydraulic system is between 35 and 55 degrees Celsius. Once the temperature rises above 60 degrees Celsius, the system of the hydraulic system will drop significantly, and equipment failures will continue to occur, resulting in a serious decline in the stability of the equipment. The proper functioning of the machine equipment cannot be guaranteed. Especially in the midsummer season, the oil temperature is too high, and even the machinery and equipment are often shut down. [0003] Therefore, the stability of the hydraulic heat exchange system directly affects the working status of the machinery and equipment. When the liquid pressure in the traditional hydraulic heat exchange system is too high, it will directly lead to excessive pressure in the heat exchange...

Claims

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Application Information

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IPC IPC(8): F15B21/04F16K17/04
CPCF15B21/042F16K17/044
Inventor 黄晓军
Owner 江苏金荣森制冷科技有限公司