CN106594006A - Hydraulic oil detecting and purifying system - Google Patents
Hydraulic oil detecting and purifying system Download PDFInfo
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 119
- 238000001514 detection method Methods 0.000 claims abstract description 88
- 238000000746 purification Methods 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 76
- 239000003921 oil Substances 0.000 claims description 41
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- 239000010703 silicon Substances 0.000 claims description 14
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 13
- 239000012528 membrane Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 23
- 230000008569 process Effects 0.000 abstract description 13
- 239000010408 film Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- -1 and saves manpower Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
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- 230000009471 action Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
本发明公开了一种液压油检测净化系统，包括液压油净化系统和液压油检测系统，所述液压油检测系统设置于液压油净化系统的前端，液压油经过液压油检测系统区分为可以直接使用的液压油和需要进入液压油净化系统的液压油。采用本发明，简化了工序，节省了时间、人力、提高了工作效率；另外，只有受到污染的液压油才进入净化系统进行净化，减轻了净化系统的工作压力。
The invention discloses a hydraulic oil detection and purification system, which includes a hydraulic oil purification system and a hydraulic oil detection system. The hydraulic oil detection system is arranged at the front end of the hydraulic oil purification system, and the hydraulic oil is divided into the hydraulic oil detection system and can be used directly. hydraulic oil and hydraulic oil that needs to enter the hydraulic oil purification system. The present invention simplifies the process, saves time and manpower, and improves work efficiency; in addition, only polluted hydraulic oil enters the purification system for purification, reducing the working pressure of the purification system.
Description
技术领域technical field
本发明涉及一种检测净化系统，特别是一种液压油检测净化系统。The invention relates to a detection and purification system, in particular to a hydraulic oil detection and purification system.
背景技术Background technique
目前,液压油的检测方法有显微镜计数法、显微镜比较法、滤膜堵塞法、质量分析法等。显微镜计数法是将过滤一定体积样也后的滤膜放在显微镜下观察，按给定的尺寸范围计数，能观察到颗粒的相貌，可大致判断颗粒的种类，但技术的准确性与检测人员的经验、主观性有关，且测试时间长，仅用于一般实验室的油液检测。At present, the detection methods of hydraulic oil include microscope counting method, microscope comparison method, filter membrane clogging method, quality analysis method and so on. The microscopic counting method is to observe the filter membrane after filtering a certain volume of sample under a microscope, and count according to a given size range. The appearance of the particles can be observed, and the type of particles can be roughly judged. It is related to experience and subjectivity, and the test time is long, so it is only used for oil detection in general laboratories.
显微镜比较法是在专门的显微镜下，将过滤样液的滤膜和标准样片作比较，此方法检测范围有限；The microscope comparison method is to compare the filter membrane of the filtered sample liquid with the standard sample under a special microscope, and the detection range of this method is limited;
滤膜堵塞法是通过测量由于颗粒堵塞滤膜而引起的流量或者压差的变化，来确定油液的，此方法结构简单、操作方便、但仅适用于现场油液检测；The filter membrane clogging method is to determine the oil by measuring the change of the flow rate or pressure difference caused by the particle clogging the filter membrane. This method is simple in structure and easy to operate, but it is only suitable for on-site oil detection;
质量分析法是将一定体积油液中的固体颗粒全部收集在微空滤膜上，通过测量过滤前后的质量来计算污染物的含量，但其结果也存在只能反映污染物总量，不能反映颗粒的尺寸分布及数量，操作繁琐费时等问题与不足。The mass analysis method is to collect all the solid particles in a certain volume of oil on the micro-air filter membrane, and calculate the content of pollutants by measuring the mass before and after filtration, but the results can only reflect the total amount of pollutants, not the total amount of pollutants. The size distribution and quantity of particles, cumbersome and time-consuming operation and other problems and deficiencies.
基于上述情况，目前通常采用液压油的检测和净化通常采用独立的系统，通常来说是先抽取小样，在检测系统中进行检测，通过检测系统来确定液压油的技术指标是否达到使用要求。如不符合使用要求，再进行净化，使其达到使用要求。最后再将经净化过的液压油通入液压设备去使用，或通入液压油箱进行储存。因此工序复杂，需要耗费很多的人力物力以及时间来对液压油进行处理。而且很多的工序并没要按照规范工艺过程来部署相关设备，导致需要反复搬运液压油，不仅造成了液压油的二次污染，而且耗费了大量的时间和精力。Based on the above situation, at present, the detection and purification of hydraulic oil usually adopts an independent system. Generally speaking, a small sample is taken first, and then tested in the detection system. Through the detection system, it is determined whether the technical indicators of the hydraulic oil meet the requirements for use. If it does not meet the requirements for use, then purify to make it meet the requirements for use. Finally, the purified hydraulic oil is passed into the hydraulic equipment for use, or into the hydraulic oil tank for storage. Therefore, the process is complicated, and it takes a lot of manpower, material resources and time to process the hydraulic oil. Moreover, many processes do not deploy related equipment according to the standardized process, resulting in the need to repeatedly transport hydraulic oil, which not only causes secondary pollution of hydraulic oil, but also consumes a lot of time and energy.
发明内容Contents of the invention
本发明的目的是提供一种液压油检测净化系统，将液压油的检测过程设置于净化过程之前，只对有污染的液压油进行净化，没有污染的液压油就可以直接输送给液压设备，简化了工序，避免了液压油的反复搬运的过程，节省了人力物力和时间精力。The purpose of the present invention is to provide a hydraulic oil detection and purification system. The hydraulic oil detection process is set before the purification process, and only the polluted hydraulic oil is purified, and the uncontaminated hydraulic oil can be directly sent to the hydraulic equipment, simplifying the The process is simplified, the process of repeated handling of hydraulic oil is avoided, and manpower, material resources, time and energy are saved.
为解决现有技术存在的问题，本发明提供一种液压油检测净化系统，该系统包括：液压油净化系统和液压油检测系统，所述液压油检测系统设置于液压油净化系统的前端，经过液压油检测系统的液压油区分为可以直接使用的液压油和需要进入液压油净化系统的液压油；所述液压油检测系统包括：放油容器、电动流量调节阀、除水装置、电动三通阀，输油管道以及检测装置和控制装置，所述放油装置设置于顶部，所述放油装置的下端设置有出液端口，所述出液端口通过管道与电动流量调节阀的一端连接，所述电动流量调节阀的另一端与除水装置的一端连接，所述除水装置的另一端与电动三通阀的输入端口连接，除水装置与电动三通阀的输入端口之间的输油管道设置有一段透明窗口，所述透明窗口与检测装置在水平方向上相对应；所述电动三通阀的一个输出端口与液压设备连接，直接为液压设备供油，所述电动三通阀的另一个输出端口与液压油净化系统连通；In order to solve the problems existing in the prior art, the present invention provides a hydraulic oil detection and purification system, the system includes: a hydraulic oil purification system and a hydraulic oil detection system, the hydraulic oil detection system is set at the front end of the hydraulic oil purification system, after The hydraulic oil area of the hydraulic oil detection system is divided into hydraulic oil that can be used directly and hydraulic oil that needs to enter the hydraulic oil purification system; the hydraulic oil detection system includes: oil drain container, electric flow regulating valve, water removal device, electric tee Valve, oil pipeline, detection device and control device, the oil discharge device is arranged on the top, and the lower end of the oil discharge device is provided with a liquid outlet port, and the liquid outlet port is connected to one end of the electric flow regulating valve through a pipeline. The other end of the electric flow regulating valve is connected to one end of the water removal device, the other end of the water removal device is connected to the input port of the electric three-way valve, and the oil pipeline between the water removal device and the input port of the electric three-way valve A section of transparent window is provided, and the transparent window corresponds to the detection device in the horizontal direction; one output port of the electric three-way valve is connected with the hydraulic equipment to directly supply oil for the hydraulic equipment, and the other output port of the electric three-way valve One output port communicates with the hydraulic oil purification system;
其中，控制装置根据检测装置的检测结果，判断当前的液压油是否需要净化，若是，则控制电动三通阀接通与液压油净化系统连通的输出端，若否，则控制电动三通阀接通与液压设备连通的输出端，直接为液压设备供油；Among them, the control device judges whether the current hydraulic oil needs to be purified according to the detection result of the detection device. The output port connected with the hydraulic equipment directly supplies oil to the hydraulic equipment;
所述电动流量调节阀处设置有流量计，用于检测当前液压油的流量；所述控制装置根据流量计的检测数据控制电动流量调节阀的开度，以调节液压油的流量。The electric flow regulating valve is provided with a flow meter for detecting the current flow of hydraulic oil; the control device controls the opening of the electric flow regulating valve according to the detection data of the flow meter to adjust the flow of hydraulic oil.
本技术方案的液压油检测系统设置于液压油净化系统的前端，经过液压油检测系统的液压油区分为可以直接使用的液压油和需要进入液压油净化系统的液压油；因此，本实施例中的没有受到污染的液压油或受到污染较轻的液压油可以直接进入液压设备进行使用，简化了工序，节省了时间、人力、提高了工作效率；另外，只有受到污染较重的液压油才进入净化系统进行净化，减轻了净化系统的工作压力。另外，本发明实施例中设置检测装置在检测液压油，从而决定液压油的流向，不但简化了供油过程的工艺，而且减轻了净化系统的工作压力。另外，本发明实施采用控制装置，控制通过电动流量调节阀的液压油流量，可以根据流量计采集的数据，判断当前流量的大小，从而避免了检测系统因大流量的冲击而受到损坏，对检测系统起到了很好的保护作用。The hydraulic oil detection system of this technical solution is arranged at the front end of the hydraulic oil purification system, and the hydraulic oil passing through the hydraulic oil detection system is divided into hydraulic oil that can be used directly and hydraulic oil that needs to enter the hydraulic oil purification system; therefore, in this embodiment The uncontaminated hydraulic oil or the lightly polluted hydraulic oil can directly enter the hydraulic equipment for use, which simplifies the process, saves time and manpower, and improves work efficiency; in addition, only the heavily polluted hydraulic oil enters the hydraulic equipment. The purification system performs purification, which reduces the working pressure of the purification system. In addition, in the embodiment of the present invention, a detection device is provided to detect the hydraulic oil, so as to determine the flow direction of the hydraulic oil, which not only simplifies the oil supply process, but also reduces the working pressure of the purification system. In addition, the implementation of the present invention uses a control device to control the hydraulic oil flow through the electric flow regulating valve, and can judge the current flow rate according to the data collected by the flow meter, thereby avoiding the damage of the detection system due to the impact of large flow, which is harmful to the detection system. The system has played a very good protective role.
另外，所述除水装置包括TiO2薄膜筒，所述TiO2薄膜筒设置有出水口，所述出水口连接有出水管，所述出水管的末端连接有储水槽。该TiO2薄膜筒可以很好的吸附液压油中携带的水滴，因此即使是很少的水也能够被TiO2薄膜吸附，提高了除水的精度，进而提高了液压油的检测精度。In addition, the water removal device includes a TiO 2 film tube, the TiO 2 film tube is provided with a water outlet, the water outlet is connected to a water outlet pipe, and the end of the water outlet pipe is connected to a water storage tank. The TiO 2 film cartridge can well absorb the water droplets carried in the hydraulic oil, so even a small amount of water can be absorbed by the TiO 2 film, which improves the accuracy of water removal and thus improves the detection accuracy of hydraulic oil.
另外，所述除水装置还包括液位检测装置，所述液位检测装置用于检测TiO2薄膜筒内的水位；所述液位检测装置与控制装置电连接；所述控制装置通过液位检测装置获取TiO2薄膜筒内的水位。本技术方案中采用液位检测装置检测水位，并通过控制装置进行控制，提高了系统设备的安全性能，避免了储水量增大后造成整个系统的瘫痪。In addition, the water removal device also includes a liquid level detection device, which is used to detect the water level in the TiO2 film tube; the liquid level detection device is electrically connected to the control device; The detection device obtains the water level in the TiO2 film cylinder. In the technical solution, the liquid level detection device is used to detect the water level, and the control device is used to control the safety performance of the system equipment, and avoid the paralysis of the whole system caused by the increase of the water storage capacity.
另外，所述出水管路设置有电动截止阀、水泵和电机，所述电动截止阀与控制装置电连接；所述控制装置根据液位检测装置的检测数据判断当前是否需要对TiO2薄膜筒进行排水，并在判断为是时，打开电动截止阀所在的通道，使电机带动水泵进行工作，从而排空TiO2薄膜筒内的水。通过电机驱动水泵抽取除水装置内的水，加快了排水的速度和精准度。In addition, the water outlet pipeline is provided with an electric shut-off valve, a water pump and a motor, and the electric shut-off valve is electrically connected to the control device; the control device judges whether the TiO2 film cartridge needs to be tested according to the detection data of the liquid level detection device. Drainage, and when it is judged to be yes, open the passage where the electric stop valve is located, so that the motor drives the water pump to work, thereby emptying the water in the TiO2 membrane cylinder. The motor drives the water pump to extract the water in the dewatering device, which increases the speed and accuracy of drainage.
另外，所述检测装置包括激光二极管、硅光二极管、运算放大器、比较器、计数器和微处理器；所述激光二极管设置于除水装置下端输油管道的透明窗口的一侧，所述硅光二极管设置于所述除水装置下端输油管道透明窗口沿水平方向的另一侧，所述运算放大器的一端与硅光二极管连接，所述运算放大器的另一端与比较器的一端连接，所述比较器的输出端与计数器的一端连接，所述计数器的另一端与微处理器连接。通过激光二极管和硅光二极管的配合检测液压油的，简单而且容易操作，提高了检测的精度。In addition, the detection device includes a laser diode, a silicon photodiode, an operational amplifier, a comparator, a counter and a microprocessor; the laser diode is arranged on one side of the transparent window of the oil pipeline at the lower end of the water removal device, and the silicon photodiode It is arranged on the other side of the transparent window of the oil pipeline at the lower end of the water removal device along the horizontal direction, one end of the operational amplifier is connected to a silicon photodiode, the other end of the operational amplifier is connected to one end of a comparator, and the comparator The output end of the counter is connected with one end of the counter, and the other end of the counter is connected with the microprocessor. The hydraulic oil is detected through the cooperation of the laser diode and the silicon photodiode, which is simple and easy to operate, and improves the detection accuracy.
另外，所述流量计为靶式流量计。提高了统计流量的精度。In addition, the flow meter is a target flow meter. Improved the accuracy of traffic statistics.
本发明液压油检测净化系统包括液压油净化系统和液压油检测系统，其中液压油检测系统设置于液压油净化系统的前端，经过液压油检测系统的液压油区分为可以直接使用的液压油和需要进入液压油进化系统的液压油，从而实现了在净化系统的前端对液压油进行检测，只有经过污染的液压油才进入净化系统进行净化，符合用油标准的就可以直接进入液压设备进行使用了，简化了工序，减少了净化系统的工作压力，避免了液压油的反复搬运，节省了人力物力和时间。The hydraulic oil detection and purification system of the present invention includes a hydraulic oil purification system and a hydraulic oil detection system, wherein the hydraulic oil detection system is arranged at the front end of the hydraulic oil purification system, and the hydraulic oil area passing through the hydraulic oil detection system is divided into hydraulic oil that can be directly used and the hydraulic oil that needs to be used. The hydraulic oil that enters the hydraulic oil evolution system realizes the detection of hydraulic oil at the front end of the purification system. Only the polluted hydraulic oil enters the purification system for purification, and those that meet the oil standards can be directly used in hydraulic equipment. , simplifies the process, reduces the working pressure of the purification system, avoids repeated handling of hydraulic oil, and saves manpower, material resources and time.
附图说明Description of drawings
图1是本发明一种液压油检测净化系统的一种实施例的流程示意图；Fig. 1 is a schematic flow chart of an embodiment of a hydraulic oil detection and purification system of the present invention;
图2是本发明一种液压油检测净化系统中除水装置内的TiO2薄膜筒的示意图。Fig. 2 is a schematic diagram of a TiO2 film tube in a water removal device in a hydraulic oil detection and purification system of the present invention.
具体实施方式detailed description
下面结合附图对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings.
参考图1，该图是本发明一种液压油检测净化系统的一种实施例的流程示意图，该系统包括：液压油检测系统和液压油净化系统200。液压油检测系统设置于液压油净化系统的前端，液压油经过液压油检测系统区分为可以直接使用的液压油和需要进入液压油净化系统的液压油；因此，本实施例中的没有受到污染的液压油或受到污染较轻的液压油可以直接进入液压设备进行使用，简化了工序，节省了时间、人力、提高了工作效率；另外，只有受到污染较重的液压油才进入净化系统进行净化，减轻了净化系统的工作压力。Referring to FIG. 1 , this figure is a schematic flowchart of an embodiment of a hydraulic oil detection and purification system of the present invention, the system includes: a hydraulic oil detection system and a hydraulic oil purification system 200 . The hydraulic oil detection system is set at the front end of the hydraulic oil purification system, and the hydraulic oil is divided into the hydraulic oil that can be used directly and the hydraulic oil that needs to enter the hydraulic oil purification system through the hydraulic oil detection system; therefore, the uncontaminated hydraulic oil in this embodiment Hydraulic oil or lightly polluted hydraulic oil can directly enter the hydraulic equipment for use, which simplifies the process, saves time and manpower, and improves work efficiency; in addition, only the heavily polluted hydraulic oil enters the purification system for purification. The working pressure of the purification system is reduced.
液压油检测系统包括：放油容器101、电动流量调节阀102、除水装置103、电动三通阀104，输油管道105以及检测装置106和控制装置107，放油装置101设置于顶部，放油装置101的下端设置有出液端口，出液端口通过输油管道105与电动流量调节阀的一端连接，电动流量调节阀102的另一端与除水装置103的一端连接，除水装置103的另一端通过输油管道与电动三通阀的输入端口连接，除水装置与电动三通阀的输入端口之间的输油管道设置有一段透明窗口1051，该透明窗口1051与检测装置在水平方向上相对应，电动三通阀的一个输出端口与液压设备连接，直接为液压设备供油，电动三通阀104的另一个输出端与液压油净化系统连通；The hydraulic oil detection system includes: an oil discharge container 101, an electric flow regulating valve 102, a water removal device 103, an electric three-way valve 104, an oil delivery pipeline 105, a detection device 106 and a control device 107. The oil discharge device 101 is arranged on the top, and the oil discharge The lower end of the device 101 is provided with a liquid outlet port, the liquid outlet port is connected to one end of the electric flow regulating valve through the oil pipeline 105, the other end of the electric flow regulating valve 102 is connected to one end of the water removal device 103, and the other end of the water removal device 103 The oil pipeline is connected to the input port of the electric three-way valve, and the oil pipeline between the water removal device and the input port of the electric three-way valve is provided with a section of transparent window 1051, which corresponds to the detection device in the horizontal direction. One output port of the electric three-way valve is connected to the hydraulic equipment to directly supply oil to the hydraulic equipment, and the other output port of the electric three-way valve 104 is connected to the hydraulic oil purification system;
其中，控制装置107根据检测装置106的检测结果，判断当前的液压油是否需要净化，若是，则控制电动三通阀接通与液压油净化系统连通的输出端，若否，则控制电动三通阀接通与液压设备连通的输出端，直接为液压设备供油；本发明实施例中设置检测装置在检测液压油，从而决定液压油的流向，不但简化了供油过程的工艺，而且减轻了净化系统的工作压力。Wherein, the control device 107 judges whether the current hydraulic oil needs to be purified according to the detection result of the detection device 106, if so, then controls the electric three-way valve to connect the output terminal connected with the hydraulic oil purification system, if not, then controls the electric three-way valve The valve is connected to the output port connected with the hydraulic equipment to directly supply oil to the hydraulic equipment; in the embodiment of the present invention, a detection device is set to detect the hydraulic oil, so as to determine the flow direction of the hydraulic oil, which not only simplifies the technology of the oil supply process, but also reduces the The working pressure of the purification system.
电动流量调节阀处设置有流量计108，用于检测当前液压油的流量；控制装置根据流量计的检测数据控制电动流量调节阀102的开度，以调节液压油的流量。本发明实施采用控制装置，控制通过电动流量调节阀的液压油流量，可以根据流量计采集的数据，判断当前流量的大小，从而避免了检测系统因大流量的冲击而受到顺坏，对检测系统起到了很好的保护作用。A flow meter 108 is provided at the electric flow regulating valve to detect the current flow of hydraulic oil; the control device controls the opening of the electric flow regulating valve 102 according to the detection data of the flow meter to adjust the flow of hydraulic oil. The implementation of the present invention adopts a control device to control the hydraulic oil flow through the electric flow regulating valve, and can judge the size of the current flow according to the data collected by the flow meter, thereby avoiding the detection system from being affected by the impact of large flow, and affecting the detection system. Played a very good protective role.
另外，除水装置可采用TiO2薄膜筒，所述TiO2薄膜筒设置有出水口，出水口连接有出水管，该出水管的末端连接有储水槽109。In addition, the water removal device can use a TiO 2 film tube, the TiO 2 film tube is provided with a water outlet, the water outlet is connected to a water outlet pipe, and the end of the water outlet pipe is connected to a water storage tank 109 .
需要说明的，参见图2所示，TiO2薄膜1031以层状形式竖直被固定布满整个除水装置，除水装置内部还装有一个紫外线发射器1032。在对液压油开始检测时，打开紫外线发射器开关，用来发出紫外线，在紫外光的照射下，TiO2的带价电子被激发，在表面生成电子空穴时，电子与Ti4+反应，空穴则与表面桥氧离子反应，分别生成Ti3+和氧空位，油液中的的水解离子吸附在氧空位中，形成表面羟基，表面羟基可以进一步吸收水分，形成物理水吸附层。这样在Ti3+缺陷周围形成了高度亲水的微区，而表面剩余区域仍为疏水区。由于水滴尺寸远远大于亲水面积，故宏观上TiO2表面表现为亲水性，水被亲水微区吸附，从而扩展浸润表面。随着光照时间的延长，接触角不断减小，甚至到达0°。由于衡量亲水性的方法是测量水与底材表面的接触角，底材与水的接触角小于20°，则认为该底材具有亲水性。因此，TiO2薄膜具有超强吸水性，当紫外光照射在TiO2薄膜层上。由于TiO2薄膜在紫外线照射时的超亲水特性，所以当液压油液流过时，TiO2薄膜层19可以将油样液中悬浮的微小水滴吸收，得到无悬浮的污油样液。去除水滴对检测的干扰。It should be noted that, as shown in FIG. 2 , the TiO 2 film 1031 is vertically fixed in a layered form and covers the entire water removal device, and an ultraviolet emitter 1032 is also installed inside the water removal device. When starting to detect hydraulic oil, turn on the switch of the ultraviolet emitter to emit ultraviolet rays. Under the irradiation of ultraviolet light, the valence electrons of TiO 2 are excited, and when electron holes are generated on the surface, the electrons react with Ti 4+ . The holes react with the surface bridging oxygen ions to generate Ti 3+ and oxygen vacancies respectively, and the hydrolyzed ions in the oil are adsorbed in the oxygen vacancies to form surface hydroxyl groups, which can further absorb water and form a physical water adsorption layer. In this way, a highly hydrophilic micro-domain is formed around the Ti 3+ defect, while the remaining surface area remains hydrophobic. Because the size of the water droplet is much larger than the hydrophilic area, the surface of TiO 2 is hydrophilic macroscopically, and water is adsorbed by the hydrophilic micro-area, thereby expanding the wetting surface. With the prolongation of the illumination time, the contact angle decreased continuously, and even reached 0°. Since the method for measuring hydrophilicity is to measure the contact angle between water and the surface of the substrate, if the contact angle between the substrate and water is less than 20°, then the substrate is considered to have hydrophilicity. Therefore, the TiO2 thin film has super water absorption, when the ultraviolet light is irradiated on the TiO2 thin film layer. Due to the super-hydrophilic property of the TiO 2 film when irradiated with ultraviolet light, when the hydraulic fluid flows through, the TiO 2 film layer 19 can absorb tiny water droplets suspended in the oil sample liquid, and obtain a dirty oil sample liquid without suspension. Remove the interference of water droplets on the detection.
另外，除水装置还可以包括液位检测装置110，该液位检测装置110用于检测除水装置内的水位；该液位检测装置110与控制装置电连接；控制装置107通过液位检测装置110获取TiO2薄膜筒内的水位。该液位检测装置也可为其他的水位探测装置。为了实现除水装置在水达到一定水平的时候，能够及时排出水，与除水装置相连接的管道上还可以设置电动截止阀111，水泵112和电机113；具体实现时，控制装置可以根据水位监测装置的水位是否达到预设的阈值，若是，则控制电动截止阀导通所在的通道，同时驱动电机带动水泵进行工作，从而排空除水装置内的水。In addition, the water removal device may also include a liquid level detection device 110, which is used to detect the water level in the water removal device; the liquid level detection device 110 is electrically connected to the control device; the control device 107 passes the liquid level detection device 110 to obtain the water level in the TiO 2 film cylinder. The liquid level detection device can also be other water level detection devices. In order to realize that the water removal device can discharge water in time when the water reaches a certain level, an electric stop valve 111, a water pump 112 and a motor 113 can also be set on the pipeline connected to the water removal device; Whether the water level of the monitoring device reaches the preset threshold value, if so, control the channel where the electric stop valve conducts, and at the same time drive the motor to drive the water pump to work, thereby emptying the water in the dewatering device.
另外，检测装置在具体实现的时候，可以包括激光二极管114、硅光二极管119、运算放大器115、比较器116、计数器117和微处理器118；激光二极管114置于除水装置103下端输油管道的透明窗口1051的一侧，硅光二极管119设置于除水装置103下端输油管道透明窗口沿水平方向的另一侧，运算放大器115的一端与硅光二极管119连接，运算放大115器的另一端与比较器116的一端连接，比较器116的输出端与计数器117的一端连接，计数器117的另一端与微处理器连接。In addition, the detection device may include a laser diode 114, a silicon photodiode 119, an operational amplifier 115, a comparator 116, a counter 117, and a microprocessor 118 during specific implementation; One side of the transparent window 1051, the silicon photodiode 119 is arranged on the other side of the transparent window of the oil pipeline at the lower end of the water removal device 103 along the horizontal direction, one end of the operational amplifier 115 is connected with the silicon photodiode 119, and the other end of the operational amplifier 115 is connected with the silicon photodiode 119. One terminal of the comparator 116 is connected, the output terminal of the comparator 116 is connected with one terminal of the counter 117, and the other terminal of the counter 117 is connected with the microprocessor.
去除水分后的液压油液流过透明窗口1051时，被来自激光二极管114的激光光束照射，由于硅光二极管119是在反向电压作用下工作的，没有光照时，反向电流极其微弱，有光照时，反向电流迅速增大到几十微安，光的强度越大，反向电流也越大。光的变化引起硅光二极管119电压变化，这就可以把光信号转换成电压信号。当流过透明窗口1051的油液中没有任何颗粒时，输出电压为一定值。当油液中有杂质颗粒通过透明窗口1051时，由于污油中一部分光被杂质颗粒遮挡，光电二极管114接收的光量减弱，于是输出电压产生一个脉冲，其幅值与颗粒的投影面积成正比。而且硅光二极管119工作时，通过透明窗口的杂质颗粒以电信号的形式被记录下来，传送到运算放大器115中，如此便可以对液压油精确的检测。When the hydraulic fluid after water removal flows through the transparent window 1051, it is irradiated by the laser beam from the laser diode 114. Since the silicon photodiode 119 works under the action of reverse voltage, when there is no light, the reverse current is extremely weak, and there is When illuminated, the reverse current rapidly increases to tens of microamperes, and the greater the intensity of light, the greater the reverse current. Changes in light cause voltage changes in the silicon photodiode 119, which converts the light signal into a voltage signal. When there is no particle in the oil flowing through the transparent window 1051, the output voltage is a certain value. When impurity particles in the oil pass through the transparent window 1051, since part of the light in the dirty oil is blocked by the impurity particles, the amount of light received by the photodiode 114 is weakened, so the output voltage generates a pulse whose amplitude is proportional to the projected area of the particles. Moreover, when the silicon photodiode 119 is working, the impurity particles passing through the transparent window are recorded in the form of electrical signals and transmitted to the operational amplifier 115, so that the hydraulic oil can be accurately detected.
光电压信号经过运算放大器115进行信号成倍放大后，将信号传输到比较器116，将放大后的电压信号与标准信号进行比较，经过比较器后的结果传送到计数器117中，计数器117在经过计数后，将信息交给微处理器118处理。这样就可以较准确、快捷地检测液压油的。另外,本实施例中的截止阀111和电机113与控制装置分别进行电连接，图中没有示出。After the photovoltage signal is multiplied and amplified by the operational amplifier 115, the signal is transmitted to the comparator 116, and the amplified voltage signal is compared with the standard signal, and the result after the comparator is transmitted to the counter 117. After counting, the information is passed to the microprocessor 118 for processing. In this way, the quality of hydraulic oil can be detected more accurately and quickly. In addition, the shut-off valve 111 and the motor 113 in this embodiment are electrically connected to the control device, which is not shown in the figure.
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。The above description is a preferred embodiment of the present invention, and it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered Be the protection scope of the present invention.
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