WO2018086092A1 - 真空节能排气系统 - Google Patents

真空节能排气系统 Download PDF

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Publication number
WO2018086092A1
WO2018086092A1 PCT/CN2016/105608 CN2016105608W WO2018086092A1 WO 2018086092 A1 WO2018086092 A1 WO 2018086092A1 CN 2016105608 W CN2016105608 W CN 2016105608W WO 2018086092 A1 WO2018086092 A1 WO 2018086092A1
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vacuum
volume
exhaust system
air
gas
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PCT/CN2016/105608
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French (fr)
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钟玲珑
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钟玲珑
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Priority to PCT/CN2016/105608 priority Critical patent/WO2018086092A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum

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  • the invention relates to a vacuum energy-saving exhaust system, belonging to the field of industrial pneumatic transmission equipment.
  • Pneumatic technology is a technology that uses compressed gas as the working medium and transmits power or information by the pressure of gas to realize mechanization and automation of production. Since the 1970s, it has been used more and more widely in the field of industrial automation. It has formed a global market with annual sales of about 11 billion US dollars, and annual sales in China reached nearly 5 billion yuan. It occupies a considerable proportion of use in industrial production. However, the working medium of the pneumatic system, compressed air, has a high manufacturing cost and a relatively low energy utilization rate. 96% of the energy consumption of compressed air systems is the power consumption of industrial compressors. The power consumption of industrial compressors in China was 180 billion kWh in 2006 and 200 billion kWh in 2007, accounting for about 6% of the country's total electricity consumption.
  • vacuum is used as a power source, as a means of achieving automation, vacuum system It has been widely used in many aspects, such as carrying out handling operations.
  • the latter method is widely used in automated production equipment.
  • the invention provides a vacuum energy-saving exhaust system, comprising a gas source, a gas source processing unit, a reversing valve, a vacuum generator, a first gas volume, a second gas volume, an industrial control machine, a throttle valve, a check valve, a plurality of pressure sensors and a muffler, wherein the gas source is connected to the first gas volume, the gas source processing unit is disposed between the gas source and the first gas volume, and the first gas volume is further connected to the vacuum generator and the industrial control machine, and the vacuum occurs
  • the device is further connected to the second air volume, the industrial computer and the muffler, and the first air volume and the vacuum generator are sequentially provided with a reversing valve and a throttle valve, and between the vacuum generator and the second air volume
  • a check valve is provided, and a pressure sensor is disposed at each end of the throttle valve.
  • a pressure sensor is disposed between the industrial computer and the first air volume.
  • a pressure sensor is disposed between the industrial computer and the second air volume.
  • the vacuum generator and the muffler are connected to the industrial computer through a pressure sensor.
  • the vacuum generator described above includes a nozzle.
  • the reversing valve is opened, the compressed air in the first air volume is released, and a vacuum is generated in the second air volume by the vacuum generator;
  • the sensor separately measures the pressure change in the first air volume, the pressure change after the reversing valve, and the vacuum degree in the second air volume; maintaining the opening degree of the throttle valve, changing the volume of the first air volume, the inflation pressure, and the vacuum generation
  • the nozzle diameter of the device is collected by the data acquisition board and input into the industrial computer.
  • the vacuum energy-saving exhaust system provided by the present invention overcomes the defects that the conventional similar equipment cannot adjust and set parameters, and realizes flexible configuration by setting various different conditions and configurations, and is a vacuum energy-saving overall equipment system. Provides protection.
  • FIG. 1 is a schematic structural view of a vacuum energy-saving exhaust system of the present invention
  • Figure 2 is a diagram showing the state of the system data in the exhaust state of the present invention.
  • the present invention provides a vacuum energy-saving exhaust system.
  • the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • the vacuum energy-saving exhaust system selects a first volume 5 (A) of a certain volume, and first fills a compressed air of a certain pressure. Venting exhaust is used to simulate the exhaust process in a pneumatic system (such as during cylinder operation). The exhaust gas of the gas source passes through the vacuum generator 4 to generate a vacuum in the second gas volume 6 (B).
  • the vacuum energy-saving exhaust system specifically comprises a gas source 1, a gas source processing unit 2, a reversing valve 3, a vacuum generator 4, a first gas volume 5, a second gas volume 6, an industrial computer 7, and a throttling a valve 8, a check valve 9, a plurality of pressure sensors 10, and a muffler 11, wherein the gas source 1 is connected to the first gas volume 5, and the gas source processing unit 2 is disposed between the gas source 1 and the first gas volume 5,
  • the first air volume 5 is also connected to the vacuum generator 4 and the industrial computer 7, and the vacuum generator 4 is also connected to the second air volume 6, the industrial computer 7 and the muffler 11, respectively, the first air volume 5 and the vacuum generator 4
  • a reversing valve 3 and a throttle valve 8 are disposed in this order, and a check valve 9 is disposed between the vacuum generator 4 and the second air volume 6, and a pressure sensor 10 is disposed at each end of the throttle valve 8 .
  • a pressure sensor 10 is disposed between the industrial computer 7 and the first air volume 5.
  • a pressure sensor 10 is disposed between the industrial computer 7 and the second air volume 6.
  • the vacuum generator 4 and the muffler 11 are connected to the industrial computer 7 via a pressure sensor 10.
  • the vacuum generator 4 includes a nozzle.
  • the working principle of the vacuum energy-saving exhaust system is as follows: after the first air volume 5 (A) is filled with a certain compressed air, the reversing valve 3 is opened, and the compressed air in the first air volume 5 (A) is released. A vacuum is generated in the second gas volume 6 (B) via the vacuum generator 4.
  • the pressure sensor 10 is applied to measure the pressure change in the first air volume 5 (A), the pressure change after the switching valve 3, and the vacuum in the second air volume 6 (B).
  • the opening degree of the throttle valve 8 is maintained, the volume of the first air volume 5 (A) and the inflation pressure, the nozzle diameter of the vacuum generator 4 are changed, and the data collection and analysis and the gas supply state operation are roughly performed. the same.
  • the operation steps in the exhaust state are partially adjusted by conducting a working study of the pneumatic energy-saving system in the air supply state. Open the throttle valve 8 turns to a large opening that does not affect the system operation, focusing on the remaining variable parameters.
  • volume of gas volume A, B nozzle of vacuum generator
  • a and B are six combinations of three different specifications of gas capacity, as shown in Table 1.
  • the vacuum energy-saving exhaust system provided by the present invention overcomes the defects that the conventional similar equipment cannot adjust and set parameters, and realizes flexible configuration by setting various different conditions and configurations, and is a vacuum energy-saving overall equipment system. Provides protection.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

一种真空节能排气系统，包括气源（1）、气源处理单元（2）、换向阀（3）、真空发生器（4）、第一气容（5）、第二气容（6）、工控机（7）、节流阀（8）、单向阀（9）、多个压力传感器（10）以及消声器（11），其中所述气源与第一气容连接，气源处理单元设置在气源与第一气容之间，第一气容还连接真空发生器和工控机，真空发生器还分别与第二气容、工控机以及消声器连接。该真空节能排气系统克服了传统类似设备无法调整和设置参数的缺陷，通过设置各种不同的条件和配置，实现了灵活配置，为真空节能的整体设备系统提供了保障。

Description

真空节能排气系统 技术领域
本发明涉及一种真空节能排气系统，属于工业气压传动设备领域。
背景技术
当前我国经济规模和综合实力大幅增长，经济发展取得了举世瞩目的成就，但也付出了不小的能源资源和环境代价。制造业、甚至整个国民经济的发展面临资源、能源和环境的严重制约，未来20年制造业的增长，如果单纯依靠数量增长，这是资源、能源和环境所不能承受的。转变经济增长方式，走科学发展之路，已成为经济社会发展的迫切要求，同时也是实现节能降耗目标的根本途径。因此我国必须依靠科技进步，采取绿色制造技术，在提高产品质量和附加值的同时，努力降低资源和能源消耗，这是未来制造业的发展方向。在我国节能降耗已成为科学发展观的本质要求。节能技术研究具有重要的现实意义，己成为工业中各行业的一个重要的课题。
气动技术是以压缩气体为工作介质，靠气体的压力传递动力或信息，以实现生产机械化与自动化的一门技术。从70年代开始在工业自动化领域得到了越来越广泛的应用，至今已形成全球年销售额约110亿美元的市场规模，在中国年销售额达到近50亿人民币。在工业生产中占据了相当大的使用比例。但气动系统的工作介质——压缩空气的制造成本高，能量利用率相当低。压缩空气系统能耗的96％为工业压缩机的耗电。我国工业压缩机的耗电量2006年1800亿度，2007年高达2000亿度，约占全国总耗电量的6％。而GDP为我国1.6倍的日本的工业压缩机耗电量仅为400亿度。这说明我们迫切的需要大力提高压缩空气系统的能源利用效率。因此，气动系统的节能降耗越来越引起人们的关注。尤其在原油日益高涨、能源问题突出的今天，气动系统使用中浪费严重等问题也引起了人们的关注，如何提高压缩空气的利用率在我国正成为一个重要而迫切的课题。
技术问题
其中，在工业生产中，以真空为动力源，作为实现自动化的一种手段，真空系 统在许多方面得到了广泛应用，如完成搬运作业等。真空的产生一般有两种方法，一种是采用真空泵将容器内的空气抽出来产生真空，另一种为采用压缩空气，经过真空发生器内的喷嘴形成高速气流，将气体的压力能转化为气流的动能，因此在喷嘴出口处形成真空，从而产生真空抽吸的作用。后一种方法在自动化生产设备中的应用非常广泛。
问题的解决方案
技术解决方案
鉴于上述现有技术的不足之处，本发明的目的在于提供一种真空节能排气系统。
为了达到上述目的，本发明采取了以下技术方案：
本发明提供了一种真空节能排气系统，包括气源、气源处理单元、换向阀、真空发生器、第一气容、第二气容、工控机、节流阀、单向阀、多个压力传感器以及消声器，其中所述气源与第一气容连接，气源处理单元设置在气源与第一气容之间，第一气容还连接真空发生器和工控机，真空发生器还分别与第二气容、工控机以及消声器连接，所述第一气容与真空发生器之间依次设置有换向阀和节流阀，所述真空发生器与第二气容之间设置有单向阀，所述节流阀的两端各设置有一压力传感器。
优选的，上述工控机和第一气容之间设置一压力传感器。
优选的，上述工控机和第二气容之间设置一压力传感器。
优选的，上述真空发生器和消声器之间通过一压力传感器与工控机连接。
优选的，上述真空发生器包括有喷嘴。
优选的，上述系统的第一气容内填充一定的压缩空气后，将换向阀打开，第一气容内的压缩空气放出，经真空发生器在第二个气容内产生真空；应用压力传感器分别测量第一气容内的压力变化、换向阀后的压力变化、第二气容内的真空度；保持节流阀的开度，改变第一气容的容积和充气压力、真空发生器的喷嘴口径，对数据进行采集经数据采集板卡输入工控机。
发明的有益效果
有益效果
相比现有技术，本发明提供的真空节能排气系统，克服传统类似设备无法调整和设置参数的缺陷，通过设置各种不同的条件和配置，实现了灵活配置，为真空节能的整体设备系统提供了保障。
对附图的简要说明
附图说明
图1为本发明真空节能排气系统结构示意图；
图2为本发明排气状态时的系统数据状态图。
附图标记：1-气源；2-气源处理单元；3-换向阀；4-真空发生器；5-第一气容；6-第二气容；7-工控机；8-节流阀；9-单向阀；10-压力传感器；11-消声器。
发明实施例
本发明的实施方式
本发明提供一种真空节能排气系统，为使本发明的目的、技术方案及效果更加清楚、明确，以下参照附图并举实施例对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
如图1所示，本发明提供的真空节能排气系统，选取一定容积的第一气容5(A)，先填充一定压力的压缩空气。利用气容排气模拟气动系统中(如气缸工作过程中)的排气过程。气容的排气通过真空发生器4，在第二个气容6(B)中产生真空。
本发明提供的真空节能排气系统，具体包括气源1、气源处理单元2、换向阀3、真空发生器4、第一气容5、第二气容6、工控机7、节流阀8、单向阀9、多个压力传感器10以及消声器11，其中所述气源1与第一气容5连接，气源处理单元2设置在气源1与第一气容5之间，第一气容5还连接真空发生器4和工控机7，真空发生器4还分别与第二气容6、工控机7以及消声器11连接，所述第一气容5与真空发生器4之间依次设置有换向阀3和节流阀8，所述真空发生器4与第二气容6之间设置有单向阀9，所述节流阀8的两端各设置有一压力传感器10。其中，工控机7和第一气容5之间设置一压力传感器10。工控机7和第二气容6之间设置一压力传感器10。真空发生器4和消声器11之间通过一压力传感器10与工控机7连接。真空发生器4包括有喷嘴。
本发明提供的真空节能排气系统的工作原理如下：第一气容5(A)内填充一定的压缩空气后，将换向阀3打开，第一气容5(A)内的压缩空气放出，经真空发生器4在第二气容6(B)内产生真空。应用压力传感器10分别测量第一气容5(A)内的压力变化、换向阀3后的压力变化、第二气容6(B)内的真空度。在本实施例中，保持节流阀8的开度，改变第一气容5(A)的容积和充气压力、真空发生器4的喷嘴口径，对数据的采集及分析与给气状态操作大致相同。通过进行给气状态下的气动节能系统工作研究，对排气状态下的操作步骤进行部分调整。将节流阀8圈数开到不影响系统工作的较大开度，着重考虑其余的可变参数。
其中，在气过程中考虑到A、B容积的变化也可能对真空度及响应时间有较大影响，因此需要调整的参数为如下三个：气容A、B的容积、真空发生器的喷嘴口径、气源对第一气容5(A)的充气压力。
气容A、B有6种组合(如表1所示)，真空发生器4的喷嘴口径也有6种规格(如表2所示)，第一气容5(A)的充气压力与给气状态时相同。将上述条件进行组合，如图2所示。具体工作条件的组合方法与给气状态相同。
其中，气容A、B的选择
在给气状态实验系统中A＝1518cm3、B＝425cm3
在排气状态时A、B为三种不同规格气容的六种组合，如表1所示。
表1气容A、B规格组合
[Table 1]
  1 2 3 4 5 6
A(cm3) 1518 1518 686 686 425 425
B(cm3) 1518 425 1518 425 1518 425
表2真空发生器型号规格
真空发生器，共有六种规格，如表2所示。
Figure PCTCN2016105608-appb-000001
相比现有技术，本发明提供的真空节能排气系统，克服传统类似设备无法调整和设置参数的缺陷，通过设置各种不同的条件和配置，实现了灵活配置，为真空节能的整体设备系统提供了保障。
可以理解的是，对本领域普通技术人员来说，可以根据本发明的技术方案及其发明构思加以等同替换或改变，而所有这些改变或替换都应属于本发明所附的权利要求的保护范围。

Claims (6)

  1. 一种真空节能排气系统，其特征在于：所述真空节能排气系统包括气源(1)、气源处理单元(2)、换向阀(3)、真空发生器(4)、第一气容(5)、第二气容(6)、工控机(7)、节流阀(8)、单向阀(9)、多个压力传感器(10)以及消声器(11)，其中所述气源(1)与第一气容(5)连接，气源处理单元(2)设置在气源(1)与第一气容(5)之间，第一气容(5)还连接真空发生器(4)和工控机(7)，真空发生器(4)还分别与第二气容(6)、工控机(7)以及消声器(11)连接，所述第一气容(5)与真空发生器(4)之间依次设置有换向阀(3)和节流阀(8)，所述真空发生器(4)与第二气容(6)之间设置有单向阀(9)，所述节流阀(8)的两端各设置有一压力传感器(10)。
  2. 如权利要求1所述的真空节能排气系统，其特征在于：所述工控机(7)和第一气容(5)之间设置一压力传感器(10)。
  3. 如权利要求1所述的真空节能排气系统，其特征在于：所述工控机(7)和第二气容(6)之间设置一压力传感器(10)。
  4. 如权利要求1所述的真空节能排气系统，其特征在于：所述真空发生器(4)和消声器(11)之间通过一压力传感器(10)与工控机(7)连接。
  5. 如权利要求1所述的真空节能排气系统，其特征在于：所述真空发生器(4)包括有喷嘴。
  6. 如权利要求1所述的真空节能排气系统，其特征在于：所述系统的第一气容(5)内填充一定的压缩空气后，将换向阀(3)打开，第一气容(5)内的压缩空气放出，经真空发生器(4)在第二个气容(6)内产生真空；应用压力传感器(10)分别测量第一气容(5)内的压力变化、换向阀后的压力变化、第二气容(6)内的真空度；保持节流阀(8)的开度，改变第一气容(5)的容积和充气压力、真空发生器(4)的喷嘴口径，对数据进行采集经数据 采集板卡输入工控机(7)。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113864153A (zh) * 2020-06-30 2021-12-31 行益科技(宁波)有限公司 节能省能型真空发生器

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