CN105021484A - Cooling liquid cavitation corrosion detection device with remote monitoring function - Google Patents

Cooling liquid cavitation corrosion detection device with remote monitoring function Download PDF

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Publication number
CN105021484A
CN105021484A CN201510425382.7A CN201510425382A CN105021484A CN 105021484 A CN105021484 A CN 105021484A CN 201510425382 A CN201510425382 A CN 201510425382A CN 105021484 A CN105021484 A CN 105021484A
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China
Prior art keywords
cavitation corrosion
liquid coolant
remote monitoring
monitoring function
surge tank
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CN201510425382.7A
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Chinese (zh)
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鲁林平
马文起
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Tianjin University of Technology
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Tianjin University of Technology
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Priority to CN201510425382.7A priority Critical patent/CN105021484A/en
Publication of CN105021484A publication Critical patent/CN105021484A/en
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Abstract

The invention relates to a cooling liquid cavitation corrosion detection device with a remote monitoring function. The cooling liquid cavitation corrosion detection device is characterized in that the device comprises a cavitation corrosion detection system and a data acquisition and monitoring system, the cavitation corrosion detection system comprises a box, a liquid loading mechanism, an expansion tank, a buffer tank, a circulation pipe, an aluminum centrifugal pump, an exhaust pipe and a filter, and the data acquisition and monitoring system comprises a pressure sensor, a temperature sensor, a flow sensor, a vacuum sensor, a motor power sensor, an image acquisition module, a PLC module, a wireless data sending module and a hand-held terminal. The cooling liquid cavitation corrosion detection device has a scientific and reasonable design, can be realized easily, is convenient for operation, has a high test precision, realizes large-scale production, guarantees vehicle travelling safety, realizes real time remote monitoring, guarantees detection validity and has high innovativeness.

Description

A kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function
Technical field
The present invention relates to a kind of pick-up unit, particularly a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function.
Background technology
Liquid coolant, also known as anti freezing solution, is a kind of chemical synthesis preparation, and the application of liquid coolant not only can prevent the cooling system of engine from occurring freezeout when low temperature, but also is conducive to the heat radiation of engine-cooling system.
A excellent engine coolant not only will have effect that is antifreeze, heat radiation, but also will have excellent corrosion inhibiting ability.When refrigerating fulid passes through centrifugal pump, cause refrigerating fulid to vaporize owing to producing vacuum in pump inside, the bubble that vaporization is produced breaks to pump body generation corrosion in higher-pressure region, the phenomenon that this solid surface is damaged is called cavitation corrosion.Therefore, in order to ensure the good operation of engine, designing a device detecting liquid coolant cavitation corrosion that is specifically designed to and being extremely necessary.
Within 1991, China has made and issued SH/T0087 " engine coolant aluminum pump cavitation corrosion test method(s) " this examination criteria with reference to ASTM D2809-89 " cavitation erosion of aluminium pump and the standard test method of erosion performance with engine coolant ", although have some enterprises afterwards, mechanism developed this test unit successively according to self needing, but due to the processing voluntarily of its parts thereof, unrealized standardization, make this device reach large-scale production, have impact on the accuracy of experimental result.Therefore, in order to improve the detection level of domestic liquid coolant product, support vehicles traffic safety, develop the liquid coolant cavitation corrosion pick-up unit meeting standard-required extremely urgent.
In addition, according to standard, the test experience of liquid coolant cavitation corrosion needs to carry out 100 hours, because detection time is long, testing staff is often caused to accomplish all-the-way tracking, and once the failure of an experiment, just be difficult to carry out reviewing and fault analysis, can not draw and detect data accurately.
Summary of the invention
The object of the present invention is to provide a kind of scientific structure design rationally, be easy to realizations, handled easily, measuring accuracy high, can realize large-scale production, support vehicles traffic safety, can real-time remote monitoring, ensure the liquid coolant cavitation corrosion detection system of detection validity.
The present invention solves its technical matters and is achieved through the following technical solutions:
A kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function, it is characterized in that: be made up of cavitation corrosion detection system and data acquisition monitoring system, described cavitation corrosion detection system is by casing, Shang Ye mechanism, trunk for expansion, surge tank, circulation line, aluminum centrifugal pump, gas outlet and filtrator are formed, Shang Ye mechanism is installed at the bottom of the inner box of casing, this Shang Ye mechanism is connected with inlet made on circulation line by the pipeline of mounted valve, be connected with the upper end import of surge tank by the pipeline of mounted valve at the liquid outlet place of trunk for expansion, lower end outlet is shaped with bottom surge tank, lower end outlet is connected with circulation line, described surge tank is installed on the mounting rail in casing, be provided with by motor-driven centrifugal pump in the side relative with the import of surge tank middle-end, circulation line is had between middle-end import and outlet of centrifugal pump, described surge tank bottom cycle pipeline is provided with filtrator, in the inside of surge tank, heating tube is installed, described gas outlet is connected to bottom trunk for expansion and between centrifugal pump gas outlet, described data acquisition monitoring system is by pressure transducer, temperature sensor, flow sensor, vacuum transducer, power of motor sensor, image capture module, PLC module, wireless data sending module and handheld terminal are formed, described pressure transducer is installed on surge tank, described circulation line is provided with flow sensor, described vacuum transducer is arranged on outlet of centrifugal pump place, described power of motor sensor is connected with motor, described pressure transducer, temperature sensor, flow sensor, vacuum transducer and power of motor sensor are all connected with PLC module, described PLC module is connected with wireless data sending module, wireless data sending module and described image capture module signal all can be received by handheld terminal.
And described Shang Ye mechanism is made up of peristaltic pump, solenoid valve and upper liquid pipeline, one end of peristaltic pump is connected with liquid coolant head tank by pipeline, and the other end of peristaltic pump is connected by the inlet of pipeline with the upper liquid pipeline being provided with solenoid valve.
And described Shang Ye mechanism is liquid outlet mechanism, is changed the rotation direction of peristaltic pump by program setting, the liquid coolant in liquid coolant cavitation corrosion detection system is discharged to assigned address.
And described trunk for expansion is lifted on case top by suspension bracket.
And, described circulation line is provided with visor.
And described filtrator is Y tube filtrator.
And described centrifugal pump is driven by cog belt by motor, the two ends of cog belt are meshed with the toothed wheel that centrifugal pump and motor output shaft are installed respectively, and the inside of toothed wheel is all set with the taper sheath linked with output shaft.
And be lifted with stretching pulley by bolt on described mounting rail, described stretching pulley and cog belt compress mutually and contact, described motor is installed at the bottom of the case in casing.
And, the bottom surface of described casing is provided with road wheel.
Advantage of the present invention and beneficial effect are:
1. to there is the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, jointly forms a coolant circulation system by surge tank, aluminum centrifugal pump, circulation line, enable liquid coolant in this system, do the motion moved in circles.During use, by the heating tube in surge tank, liquid coolant is heated to 105 DEG C, then controls the rotating speed of centrifugal pump at 4600rpm, aluminum centrifugal pump entrance vacuum tightness is-6.8kPa, and system pressure 103kPa, the flow of liquid coolant is at 10-30m 3/ h, liquid to be cooled circulates after 100 hours in this pick-up unit, is unloaded by centrifugal pump, and normative reference draws the corrosion condition of liquid coolant to centrifugal pump impeller, thus can apply it to field of traffic, the traffic safety of support vehicles; By the design of data acquisition monitor control mechanism, the data of each sensor are made to be wirelessly transmitted on mobile phone after the analysis of PLC module, testing staff can carry out monitoring to detection case whenever and wherever possible and follow the tracks of, by the setting of image capture module, testing staff can also be real-time the picture monitoring Test Field, make this cavitation corrosion testing need not arrange work personnel specially at the scene, and, data on each sensor by carrying out analyzing stored in PLC module, facilitate when having problem in the future and review, substantially increase the validity of detection.
2. to have the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, by being the automatic feeding fluid mechanism driven by peristaltic pump by upper liquid mechanism design, and can be used as automatic liquid discharging mechanism, improve the detection efficiency of this device, it is laborsaving to economize people, convenient operation.
3. to there is the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, by installing visor on the tube wall of circulation line, facilitating the observation to liquid coolant in pipe, ensureing that it keeps the state moved in circles in this pick-up unit, ensureing the validity of test.
4. to there is the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, by mounting filter on circulation line, this filtrator can filter out the impurity particle be mingled with in liquid coolant, avoid the out of true impact that particle causes experimental result, and by being Y tube filtrator by design for filtration elements, facilitate the cleaning of impurity in filtrator.
5. to there is the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, by by traditional by toothed wheel being fixed on by flange patten's design on output shaft for be set with taper sheath on output shaft, moved by binding between output shaft and taper sheath, in the structure that the outside of taper sheath suit inner face is the toothed wheel of taper, facilitate the installation of toothed wheel, before avoiding, Flange joint is to the strict problem of the connecting hole requirement on machining accuracy in toothed wheel.
6. the liquid coolant simulation with remote monitoring function uses corrosion detection system, installing stretching pulley, being convenient to adjust the tensile force of cog belt by compressing near cog belt.In prior art, motor is movable installation, loosening of toothed wheel is realized by above lifting motor, but in the work of reality, find that motor is fixing loosely, not only can produce larger noise, and the vibrations of long term frequent also can damage to motor itself, shorten serviceable life, add maintenance cost.
7. scientific structure design of the present invention is reasonable, have be easy to realization, handled easily, measuring accuracy high, can realize large-scale production, support vehicles traffic safety, can real-time remote monitoring, ensure to detect the advantage of validity, be a kind of liquid coolant cavitation corrosion detection system with higher innovation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (omission image capture module);
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the structural representation that motor of the present invention is connected with centrifugal pump;
Fig. 4 is the block scheme of data acquisition monitor control mechanism of the present invention.
Description of reference numerals:
1-casing, 2-mounting rail, 3-pressure transducer, 4-surge tank, 5-circulation line, 7-trunk for expansion, 8-visor, 9-flow sensor, 10-gas outlet, 11-aluminum centrifugal pump, 12-motor, 13-liquid coolant head tank, 14-peristaltic pump, 15-filtrator, 16-road wheel, 17-vacuum transducer, 18-bolt, 19-stretching pulley, 20-cog belt, 21-toothed wheel, 22-taper sheath, 23-output shaft.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not determinate, can not limit protection scope of the present invention with this.
A kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function, it is characterized in that: be made up of cavitation corrosion detection system and data acquisition monitoring system, described cavitation corrosion detection system is by casing 1, Shang Ye mechanism, trunk for expansion 7, surge tank 4, circulation line 5, aluminum centrifugal pump 11, gas outlet 10 and filtrator 15 are formed, Shang Ye mechanism is installed at the bottom of the inner box of casing, this Shang Ye mechanism is connected with inlet made on circulation line by the pipeline of mounted valve, be connected with the upper end import of surge tank by the pipeline of mounted valve at the liquid outlet place of trunk for expansion, lower end outlet is shaped with bottom surge tank, lower end outlet is connected with circulation line, described surge tank is installed on the mounting rail 2 in casing, the side relative with the import of surge tank middle-end is provided with the centrifugal pump driven by motor 12, circulation line is had between middle-end import and outlet of centrifugal pump, described surge tank bottom cycle pipeline is provided with filtrator, in the inside of surge tank, heating tube is installed, described gas outlet is connected to bottom trunk for expansion and between centrifugal pump gas outlet, described data acquisition monitoring system is by pressure transducer 3, temperature sensor, flow sensor, vacuum transducer 17, power of motor sensor, image capture module, PLC module, wireless data sending module and handheld terminal are formed, described pressure transducer is installed on surge tank, described circulation line is provided with flow sensor 9, described vacuum transducer is arranged on outlet of centrifugal pump place, described power of motor sensor is connected with motor, described pressure transducer, temperature sensor, flow sensor, vacuum transducer and power of motor sensor are all connected with PLC module, described PLC module is connected with wireless data sending module, wireless data sending module and described image capture module signal all can be received by handheld terminal.
Described Shang Ye mechanism is made up of liquid coolant head tank 13, peristaltic pump 14, solenoid valve and upper liquid pipeline, one end of peristaltic pump is connected with liquid coolant head tank by pipeline, and the other end of peristaltic pump is connected by the inlet of pipeline with the upper liquid pipeline being provided with solenoid valve.
Described Shang Ye mechanism is liquid outlet mechanism, is changed the rotation direction of peristaltic pump, the liquid coolant in liquid coolant cavitation corrosion detection system is discharged to assigned address by program setting.
Described trunk for expansion is lifted on case top by suspension bracket 6.
Described circulation line is provided with visor 8.
Described filtrator is Y tube filtrator.
Described centrifugal pump is driven by cog belt 20 by motor, and the two ends of cog belt are meshed with the toothed wheel 21 that centrifugal pump and motor output shaft are installed respectively, and the inside of toothed wheel is all set with the taper sheath 22 linked with output shaft 23.
Described mounting rail is lifted with stretching pulley 19 by bolt 18, and described stretching pulley and cog belt compress mutually and contact, and described motor is installed at the bottom of the case in casing.
The bottom surface of described casing is provided with road wheel 16.
Originally there is the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, jointly form a coolant circulation system by surge tank, centrifugal pump and circulation line, enable liquid coolant in this system, do the motion moved in circles.During use, by the heating tube in surge tank, liquid coolant is heated to 105 DEG C, then control the vacuum tightness of centrifugal pump at below 4600rpm, the flow of liquid coolant is at 10-30m 3/ h, liquid to be cooled circulates after 100 hours in this pick-up unit, centrifugal pump is unloaded, normative reference draws under the conditions such as some concrete temperature, vacuum tightness, flow velocity, liquid coolant is to the corrosion condition of centrifugal pump impeller, thus can field of traffic be applied it to, the traffic safety of support vehicles; By the design of data acquisition monitor control mechanism, the data of each sensor are made to be wirelessly transmitted on mobile phone after the analysis of PLC module, testing staff can carry out monitoring to detection case whenever and wherever possible and follow the tracks of, by the setting of image capture module, testing staff can also be real-time the picture monitoring Test Field, make this cavitation corrosion testing need not arrange work personnel specially at the scene, and, data on each sensor by carrying out analyzing stored in PLC module, facilitate when having problem in the future and review, substantially increase the validity of detection.
Although disclose embodiments of the invention and accompanying drawing for the purpose of illustration, but it will be appreciated by those skilled in the art that: in the spirit and scope not departing from the present invention and claims, various replacement, change and amendment are all possible, therefore, scope of the present invention is not limited to the content disclosed in embodiment and accompanying drawing.

Claims (9)

1. one kind has the liquid coolant cavitation corrosion pick-up unit of remote monitoring function, it is characterized in that: be made up of cavitation corrosion detection system and data acquisition monitoring system, described cavitation corrosion detection system is by casing, Shang Ye mechanism, trunk for expansion, surge tank, circulation line, aluminum centrifugal pump, gas outlet and filtrator are formed, Shang Ye mechanism is installed at the bottom of the inner box of casing, this Shang Ye mechanism is connected with inlet made on circulation line by the pipeline of mounted valve, be connected with the upper end import of surge tank by the pipeline of mounted valve at the liquid outlet place of trunk for expansion, lower end outlet is shaped with bottom surge tank, lower end outlet is connected with circulation line, described surge tank is installed on the mounting rail in casing, be provided with by motor-driven centrifugal pump in the side relative with the import of surge tank middle-end, circulation line is had between middle-end import and outlet of centrifugal pump, described surge tank bottom cycle pipeline is provided with filtrator, in the inside of surge tank, heating tube is installed, described gas outlet is connected to bottom trunk for expansion and between centrifugal pump gas outlet, described data acquisition monitoring system is by pressure transducer, temperature sensor, flow sensor, vacuum transducer, power of motor sensor, image capture module, PLC module, wireless data sending module and handheld terminal are formed, described pressure transducer is installed on surge tank, described circulation line is provided with flow sensor, described vacuum transducer is arranged on outlet of centrifugal pump place, described power of motor sensor is connected with motor, described pressure transducer, temperature sensor, flow sensor, vacuum transducer and power of motor sensor are all connected with PLC module, described PLC module is connected with wireless data sending module, wireless data sending module and described image capture module signal all can be received by handheld terminal.
2. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, it is characterized in that: described Shang Ye mechanism is made up of peristaltic pump, solenoid valve and upper liquid pipeline, one end of peristaltic pump is connected with liquid coolant head tank by pipeline, and the other end of peristaltic pump is connected by the inlet of pipeline with the upper liquid pipeline being provided with solenoid valve.
3. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1 and 2, it is characterized in that: described Shang Ye mechanism is liquid outlet mechanism, changed the rotation direction of peristaltic pump by program setting, the liquid coolant in liquid coolant cavitation corrosion detection system is discharged to assigned address.
4. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, is characterized in that: described trunk for expansion is lifted on case top by suspension bracket.
5. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, is characterized in that: on described circulation line, be provided with visor.
6. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, is characterized in that: described filtrator is Y tube filtrator.
7. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, it is characterized in that: described centrifugal pump is driven by cog belt by motor, the two ends of cog belt are meshed with the toothed wheel that centrifugal pump and motor output shaft are installed respectively, and the inside of toothed wheel is all set with the taper sheath linked with output shaft.
8. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, it is characterized in that: on described mounting rail, be lifted with stretching pulley by bolt, described stretching pulley and cog belt compress mutually and contact, and described motor is installed at the bottom of the case in casing.
9. a kind of liquid coolant cavitation corrosion pick-up unit with remote monitoring function according to claim 1, is characterized in that: on the bottom surface of described casing, be provided with road wheel.
CN201510425382.7A 2015-07-20 2015-07-20 Cooling liquid cavitation corrosion detection device with remote monitoring function Pending CN105021484A (en)

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Publication number Priority date Publication date Assignee Title
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