CN204347022U - The device of monitoring and elimination bubble during a kind of contamination level of oil liquid detects - Google Patents
The device of monitoring and elimination bubble during a kind of contamination level of oil liquid detects Download PDFInfo
- Publication number
- CN204347022U CN204347022U CN201420750459.9U CN201420750459U CN204347022U CN 204347022 U CN204347022 U CN 204347022U CN 201420750459 U CN201420750459 U CN 201420750459U CN 204347022 U CN204347022 U CN 204347022U
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- Prior art keywords
- bubble
- dustiness
- contamination level
- monitoring
- pressure transducer
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Abstract
The utility model patent belongs to Fluids Contamination Testing Technology field, be specifically related to the device monitoring and eliminate bubble during a kind of contamination level of oil liquid detects, it is characterized in that: the magnifier, the pressure monitoring device be arranged in oil pipe that comprise the oil pipe be made up of transparent material, some enlargement factors of fitting oil pipe lateral surface, described pressure monitoring device is pressure transducer; Flowrate control valve is arranged with pressure transducer, dustiness sensor parallel respectively, and pressure transducer and dustiness sensor series are arranged.Reached beneficial effect of the present utility model: can judge whether there is bubble in fluid by range estimation, ageing good, be particularly useful for monitoring the minute bubbles in fluid, bubble monitoring device proportioning pump flow regulation and pressure transducer can Timeliness coverage the bubbles eliminated in fluid, contribute to selecting suitable dustiness working sensor flow, ensure the accuracy of test result.
Description
Technical field
The utility model patent belongs to Fluids Contamination Testing Technology field, relates to the detection of contamination level of oil liquid in plant equipment, is specifically related to the device monitoring and eliminate bubble during a kind of contamination level of oil liquid detects.
Background technology
Hydraulic oil transmits in hydraulic system and controls the medium of energy, and can its performance normally to have worked material impact to hydraulic system.The factors such as internal system generation and outside intrusion can cause hydraulic system internal contamination thing content to raise, and often can cause hydraulic system that various fault occurs thus.According to statistics, the hydraulic system fault of at least 75% is caused by oil contamination, and the fault that wherein solid grain contamination causes accounts for 60% ~ 70%, therefore, carry out accurately detecting being very important to pollution degree of hydraulic oil, the hydraulic oil especially in high pressure, high precision, high-power hydraulic system.At present, contamination level of oil liquid detection mode is divided into online and off-line two kinds, and online is be arranged in the oil circuit of Hydraulic Equipment by dustiness sensor, carries out Real-Time Monitoring to pollution degree of hydraulic oil; Off-line type is detected by desk-top particle collector or portable dustiness detector after being taken out from hydraulic system by hydraulic oil.
Contamination level of oil liquid detects the impact by factors such as moisture, bubble and working flows in oil sample, wherein the having the greatest impact of bubble and working flow, working flow can be determined by dustiness transducer calibration, can test result be had a strong impact on when having bubble to exist in fluid, therefore carry out monitoring and eliminate in time being very crucial to bubble when dustiness detects.
At present, the method that bubble in liquid detects mainly comprises conductance method, infrared method, capillary tube technique and camera method, conductance method and infrared method need to use the equipment such as conducting probe and infrared sensor and detect, capillary tube technique can produce interference and affects testing result by stream field, although camera method technology is comparatively ripe, but poor in timeliness, is unsuitable for quick detection.In addition, utilize the technology that the methods such as ultrasound wave detect bubble in addition, CN 101091105 A patent reports a kind of with bubble detect flow measurement and control system, it determines whether there is bubble in sensor conduit by the characteristic variations analyzing fluid flow rate signal in ultrasonic liquid flow sensor conduit, and before bubble leaves sensor conduit, flow control system removes bubble by the controling parameters temporarily changing controllable valve.The electric current that CN 102188274 A flows through driver part when patent reports by detecting and applying driving voltage on the driving part carrys out the bubble in tracer liquid.
Existing bubble in liquid pick-up unit often complex structure and cost is higher, be not suitable for contamination level of oil liquid to detect, although the oil contamination degree detector on market can realize dustiness measuring ability, to how ensureing the study on accuracy of test result not enough.Because oil contamination degree detector internal main will adopt opaque metal tube or pressure hose to connect, enforcement monitoring can not be carried out to fluid situation in dustiness testing process, cannot determine whether test data is subject to the interference of bubble, can only judging according to the experience of user of service, promptly can not carry out failture evacuation when finding test data existing problems.Dustiness testing result deviation can be made when there is bubble in fluid very large, but how to judge in fluid, whether having bubble and corresponding method for removing also not to solve in the prior art.
Utility model content
The purpose of this utility model is to provide during a kind of contamination level of oil liquid detects the device monitoring and eliminate bubble, dustiness sensor oil inlet pipe adopts transparent material and additional magnifier apparatus, can judge whether there is bubble in fluid by range estimation, magnifier multiple can be selected according to the size of bubble, be particularly suitable for monitoring the minute bubbles in fluid, when bubbles are present by regulating pumping rate to eliminate, pressure transducer simultaneously on bubble monitoring device can be monitored the working flow of dustiness sensor, ensures the accuracy of test result.
To achieve these goals, technical solution adopted in the utility model is: the device of monitoring and elimination bubble during a kind of contamination level of oil liquid detects, comprise power source, it is characterized in that, comprise magnifier, the pressure monitoring device be arranged in oil pipe of the oil pipe be made up of transparent material, some enlargement factors of fitting oil pipe lateral surface, described pressure monitoring device is pressure transducer; The fluid discharge capacity of power source is adjustable, and power source, pressure transducer and dustiness sensor series are arranged.
During aforesaid a kind of contamination level of oil liquid detects, the device of monitoring and elimination bubble, also comprises flowrate control valve; Flowrate control valve arranges with pressure transducer, dustiness sensor parallel, and is arranged in series with power source respectively.
Monitoring and eliminate the device of bubble during aforesaid a kind of contamination level of oil liquid detects, the dustiness signal of described dustiness sensor is by data collecting module collected and output in display and show.
The device of monitoring and elimination bubble during aforesaid a kind of contamination level of oil liquid detects, the pressure signal of described pressure transducer is corresponding with the working flow of dustiness sensor, by the fluid flow of dustiness sensor when described working flow refers to that dustiness detects.
The device of monitoring and elimination bubble during aforesaid a kind of contamination level of oil liquid detects, described power source is pump, and pump controls the flow Q of whole device, and flow Q is divided into excess flow Q
1with the working flow Q of dustiness sensor
2, discharge relation is Q=Q
1+ Q
2.
The device of monitoring and elimination bubble during aforesaid a kind of contamination level of oil liquid detects, described magnifier can estimate in oil pipe whether have bubble, when bubbles are present, pumping rate should be regulated to get rid of bubble.
The device of monitoring and elimination bubble during aforesaid a kind of contamination level of oil liquid detects, described working flow Q
2size monitored by the pressure signal of pressure transducer.
Key problem in technology point of the present utility model is:
(1) dustiness sensor oil inlet pipe adopts transparent visual material and additional magnifier apparatus, bubble in fluid can be monitored in real time, the enlargement factor of magnifier can be selected according to the bubble size in fluid, is particularly useful for monitoring the minute bubbles in fluid.
(2) pressure transducer in bubble monitoring device is by the working flow of pressure monitoring dustiness sensor, and when ensureing that dustiness detects, working flow is accurate.
(3) when there is bubble in fluid, by regulating pumping rate to eliminate, the traffic monitoring function simultaneously in conjunction with pressure transducer selects suitable dustiness working sensor flow, ensures the accuracy of test result.
Reached beneficial effect of the present utility model:
(1) this practicality patent is applicable to contamination level of oil liquid detection.
(2) can judge whether there is bubble in fluid by range estimation, ageing good, be particularly useful for monitoring the minute bubbles in fluid, bubble monitoring device proportioning pump flow regulation can Timeliness coverage the bubble eliminated in fluid, contribute to selecting suitable dustiness working sensor flow, ensure the accuracy of test result.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
Wherein, 1. pump 2. flowrate control valve 3. bubble is monitored and volume control device 4. pressure transducer 5. magnifier 6. dustiness sensor 7. data acquisition module 8. display.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
In the present invention, 1 is pump, and carrying out dustiness detection for system provides power, and the flow Q of whole system is controlled by pump 1, and flow Q is divided into excess flow Q
1with the working flow Q of dustiness sensor
2, discharge relation is Q=Q
1+ Q
2; 2 is flowrate control valve, play overflow and dustiness sensor occur blocking time protection pump effect; 3 is bubble monitoring and volume control device; 4 is pressure transducer, working flow Q
2size by the impact of oil pipe caliber, its size is monitored by the pressure signal of pressure transducer; 5 is magnifier apparatus, adopts transparent material oil pipe and additional magnifier, can judge whether there is bubble in fluid by range estimation, when there is bubble in fluid by regulating pump capacity to eliminate; 6 is dustiness sensor, is used for detecting the dustiness of fluid; 7 is data acquisition module, the data of collection is shown on the display 8.
Open pumping source switch, adjust flux operation valve makes pressure sensor reading reach in the pressure limit of regulation, pressure is corresponding with the working flow of dustiness sensor, firm discharge operation valve knob position, and the flow now flowing through dustiness sensor is the working flow that dustiness detects.Observe in fluid whether there is bubble by bubble monitoring device, when not having bubble, display display result is testing result; When bubbles are present, reduce pumping rate and produce to avoid bubble, the pressure reading simultaneously needing to meet pressure transducer in the pressure limit specified, when do not observed in fluid by bubble monitoring device there is bubble time display display result be testing result.
More than show and describe ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (7)
1. a contamination level of oil liquid monitors and eliminates the device of bubble in detecting, comprise power source, it is characterized in that, comprise magnifier, the pressure monitoring device be arranged in oil pipe of the oil pipe be made up of transparent material, some enlargement factors of fitting oil pipe lateral surface, described pressure monitoring device is pressure transducer; The fluid discharge capacity of power source is adjustable, and power source, pressure transducer and dustiness sensor series are arranged.
2. a kind of contamination level of oil liquid according to claim 1 monitors and eliminates the device of bubble in detecting, and it is characterized in that, also comprises flowrate control valve; Flowrate control valve arranges with pressure transducer, dustiness sensor parallel, and is arranged in series with power source respectively.
3. a kind of contamination level of oil liquid according to claim 1 detect in monitoring and eliminate the device of bubble, it is characterized in that: the dustiness signal of described dustiness sensor is by data collecting module collected and output in display and show.
4. the device of monitoring and elimination bubble during a kind of contamination level of oil liquid according to claim 1 or 2 or 3 detects, it is characterized in that: the pressure signal of described pressure transducer is corresponding with the working flow of dustiness sensor, by the fluid flow of dustiness sensor when described working flow refers to that dustiness detects.
5. a kind of contamination level of oil liquid according to claim 1 monitors and eliminates the device of bubble in detecting, and it is characterized in that: described power source is pump, pump controls the flow Q of whole device, and flow Q is divided into excess flow Q
1with the working flow Q of dustiness sensor
2, discharge relation is Q=Q
1+ Q
2.
6. a kind of contamination level of oil liquid according to claim 5 monitors and eliminates the device of bubble in detecting, and it is characterized in that: described magnifier can estimate in oil pipe whether have bubble, when bubbles are present, pumping rate should be regulated to get rid of bubble.
7. a kind of contamination level of oil liquid according to claim 5 monitors and eliminates the device of bubble in detecting, and it is characterized in that: described working flow Q
2size monitored by the pressure signal of pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420750459.9U CN204347022U (en) | 2014-12-04 | 2014-12-04 | The device of monitoring and elimination bubble during a kind of contamination level of oil liquid detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420750459.9U CN204347022U (en) | 2014-12-04 | 2014-12-04 | The device of monitoring and elimination bubble during a kind of contamination level of oil liquid detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204347022U true CN204347022U (en) | 2015-05-20 |
Family
ID=53230283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420750459.9U Withdrawn - After Issue CN204347022U (en) | 2014-12-04 | 2014-12-04 | The device of monitoring and elimination bubble during a kind of contamination level of oil liquid detects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204347022U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356595A (en) * | 2017-06-28 | 2017-11-17 | 武汉华星光电半导体显示技术有限公司 | The method and device of bubble in a kind of detection PI application pipelines |
| CN108578814A (en) * | 2017-12-19 | 2018-09-28 | 佛山科学技术学院 | A kind of avoidable syringe needle stockpiles the infusion tube structure of bubble |
| CN108663292A (en) * | 2018-05-14 | 2018-10-16 | 中国计量科学研究院 | Contamination level of oil liquid analyzer calibration method |
| CN110168378A (en) * | 2016-11-07 | 2019-08-23 | 分子装置(奥地利)有限公司 | System for carrying out optical monitoring to the operating condition in sample analysis equipment |
| CN111527314A (en) * | 2018-04-16 | 2020-08-11 | 株式会社小松制作所 | Hydraulic oil monitoring system and hydraulic oil monitoring method |
-
2014
- 2014-12-04 CN CN201420750459.9U patent/CN204347022U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110168378A (en) * | 2016-11-07 | 2019-08-23 | 分子装置(奥地利)有限公司 | System for carrying out optical monitoring to the operating condition in sample analysis equipment |
| CN110168378B (en) * | 2016-11-07 | 2023-10-10 | 分子装置(奥地利)有限公司 | System for optically monitoring operating conditions in a sample analysis device |
| CN107356595A (en) * | 2017-06-28 | 2017-11-17 | 武汉华星光电半导体显示技术有限公司 | The method and device of bubble in a kind of detection PI application pipelines |
| CN107356595B (en) * | 2017-06-28 | 2020-03-31 | 武汉华星光电半导体显示技术有限公司 | Method and device for detecting bubbles in PI coating pipeline |
| CN108578814A (en) * | 2017-12-19 | 2018-09-28 | 佛山科学技术学院 | A kind of avoidable syringe needle stockpiles the infusion tube structure of bubble |
| CN111527314A (en) * | 2018-04-16 | 2020-08-11 | 株式会社小松制作所 | Hydraulic oil monitoring system and hydraulic oil monitoring method |
| CN111527314B (en) * | 2018-04-16 | 2022-05-17 | 株式会社小松制作所 | Hydraulic oil monitoring system and hydraulic oil monitoring method |
| US11401700B2 (en) | 2018-04-16 | 2022-08-02 | Komatsu Ltd. | Hydraulic oil monitoring system and hydraulic oil monitoring method |
| CN108663292A (en) * | 2018-05-14 | 2018-10-16 | 中国计量科学研究院 | Contamination level of oil liquid analyzer calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20160629 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |