CN105067503B - A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function - Google Patents
A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function Download PDFInfo
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- CN105067503B CN105067503B CN201510426361.7A CN201510426361A CN105067503B CN 105067503 B CN105067503 B CN 105067503B CN 201510426361 A CN201510426361 A CN 201510426361A CN 105067503 B CN105067503 B CN 105067503B
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- centrifugal pump
- cavitation corrosion
- coolant
- detecting system
- identification function
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Abstract
The present invention relates to a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function, including cavitation corrosion testing agency, described cavitation corrosion testing agency includes detection case, expansion tank, surge tank, temperature sensor, feed liquor circulation pipe, go out liquid circulation pipe, centrifugal pump, blast pipe, vacuum transducer, pressure sensor and flow sensor, one is formed with the inwall of the centrifugal pump casing raised, in described centrifugal pump casing outer surface upper end, irregular identification icon is set, the centrifugal pump identification mechanism being installed on detection chamber interior wall is provided with the positive upper end of centrifugal pump identification icon, centrifugal pump identification mechanism is by displacement transducer, stepper motor and PLC system are constituted, stepper motor is installed on the inwall of detection case simultaneously upper direction of the drive displacement sensor in identification icon, displacement transducer is connected with PLC system.The present invention has the advantages that to be easily achieved, facilitates operation, measuring accuracy height, can realize large-scale production, support vehicles traffic safety.
Description
Technical field
The present invention relates to a kind of detection means, particularly a kind of coolant cavitation corrosion inspection with centrifugal pump identification function
Examining system.
Background technology
Coolant is also known as anti-icing fluid, is a kind of chemical synthesis preparation, and the application of coolant can not only prevent engine
Cooling system occurs freezeout in low temperature, and also helps the radiating of engine-cooling system.
A excellent engine coolant will not only have the effect of antifreeze radiating, but also have excellent delay
Erosion ability.Because when the surface of solids and liquid (coolant) relative motion, liquid can cause damage to the surface of solids, this solid
The phenomenon that body surface face is damaged referred to as cavitation corrosion.Therefore, in order to ensure the good operation of engine, design it is a dedicated for
The device of detection coolant cavitation corrosion is extremely necessary.
Existing coolant cavitation corrosion detection means, is circulated by casing, expansion tank, surge tank, pressure sensor, feed liquor
Manage, go out liquid circulation pipe, centrifugal pump, blast pipe, vacuum transducer and flow sensor composition, expansion tank is lifted on the case top of casing
On, it is connected at the liquid outlet of expansion tank by installing the pipeline of valve with the upper end import of surge tank, in buffering pot bottom system
There is lower side to export and lower end outlet, lower end exit is connected by pipeline with the blow tank being placed in bottom, in surge tank
Middle-end import is formed with the middle part of tank body, described surge tank is installed on the mounting rail in casing, with surge tank middle-end import phase
To side be provided with by motor-driven centrifugal pump, feed liquor circulation pipe is installed between middle-end import and outlet of centrifugal pump,
Liquid circulation pipe is installed out between lower side outlet and centrifugal pump inlet, described flow sensor is installed on out liquid circulation pipe
On, described pressure sensor is installed on surge tank, and heating tube, described blast pipe connection are provided with the inside of surge tank
Between expansion tank bottom and centrifugal pump gas outlet, described vacuum transducer is connected with centrifugal pump.
The surge tank of existing coolant cavitation corrosion detection means, centrifugal pump, feed liquor circulation pipe and to go out liquid circulation pipe common
A coolant circulation system is constituted, coolant is done the motion moved in circles in the system.In use, passing through surge tank
Coolant is heated to 105 DEG C by interior heating tube, then controls the vacuum of centrifugal pump in below 4600rpm, the stream of coolant
Amount is in 10-30m3/ h, liquid to be cooled was circulated in the detection means after 100 hours, centrifugal pump was unloaded, normative reference is obtained
Go out under the conditions of some specific temperature, vacuum, flow velocity etc., corrosion condition of the coolant to centrifugal pump impeller.
But, existing centrifugal pump structure is all more single, is unfavorable for the rupture of bubble, produced cavitation corrosion effect
It is poor, it is impossible to meet detection and require.Because the time needed for detection is longer, if apply on detection means it is underproof from
Heart pump, will influence the efficiency and quality of detection.
The content of the invention
It is an object of the invention to provide a kind of scientific structure design rationally, be easily achieved, it is convenient operation, broken beneficial to bubble
Split, Detection results are good, meet detection requirement, improve detection efficiency and quality, the coolant air pocket with centrifugal pump identification function
Corrosion detection system.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function, including cavitation corrosion testing agency,
Described cavitation corrosion testing agency include casing, expansion tank, surge tank, pressure sensor, temperature sensor, circulation line,
Centrifugal pump, blast pipe, vacuum transducer and flow sensor, it is characterised in that：It is formed with the inwall of the centrifugal pump casing
One is raised, sets irregular identification icon in described centrifugal pump casing outer surface upper end, in centrifugal pump identification icon just
Upper end is provided with the centrifugal pump identification mechanism being installed on cabinet wall, described centrifugal pump identification mechanism by displacement transducer,
Stepper motor and PLC system are constituted, and stepper motor is installed on the inwall of casing and drive displacement sensor is in identification icon
Upper direction, described displacement transducer is connected with PLC system.
Moreover, described cavitation corrosion testing agency also includes coolant storage tank and peristaltic pump, one end of peristaltic pump leads to
Piping is connected with coolant storage tank, and the other end of peristaltic pump is connected by pipeline with the inlet of expansion tank.
Moreover, being provided with visor on the tube wall of the circulation line.
Moreover, being also equipped with a filter on described circulation line, described filter is Y tube filter.
Moreover, the centrifugal pump is driven by motor by cog belt, the two ends of cog belt are defeated with centrifugal pump and motor respectively
The toothed wheel installed on shaft is meshed, and the inside of toothed wheel is set with the taper sheath linked with output shaft.
Moreover, being lifted with tensioning wheel by bolt on the mounting rail, described tensioning wheel is mutually compressed with cog belt to be connect
Touch, described motor is installed in the bottom in test box.
Moreover, described displacement transducer is laser class displacement transducer or resistor-type displacement transducer.
The advantages of the present invention are：
1. a coolant cavitation corrosion detecting system with centrifugal pump identification function, by that will be traditionally used for using air pocket
The Centrifugal Pump Design of corrosion test is the raised centrifugal pump of interior system, and the projection is special according to the turbulence of centrifugal pump fluid flow inside
Property, the rupture of bubble is easily facilitated, cavitation corrosion effect is produced, beneficial to coolant cavitation corrosion test experience；By interior at this
Make and identification icon is set on raised centrifugal pump, and coordinate centrifugal pump identification mechanism to recognize, it is to avoid because being centrifuged using other
The problem of Detection results are undesirable caused by pump, saves valuable time.
2. a coolant cavitation corrosion detecting system with centrifugal pump identification function, by the way that traditional will manually be cooled down
The mode that liquid is imported in expansion tank is designed as the automatic feeding fluid mode driven by peristaltic pump, improves the detection efficiency of the device,
Save people laborsaving, be easy to operation.
3. a coolant cavitation corrosion detecting system with centrifugal pump identification function, passes through the tube wall in feed liquor circulation pipe
Upper setting-in visor, facilitates the observation of coolant in feed tube, it is ensured that it keeps the state moved in circles in this detection means,
Ensure the validity of test.
4. a coolant cavitation corrosion detecting system with centrifugal pump identification function, by going out on liquid circulation pipe to install
Filter, the filter can filter out the impurity particle being mingled with coolant, it is to avoid it is not smart that particle is caused to experimental result
Really influence, and by the way that filter is designed as into Y tube filter, facilitate the cleaning of impurity in filter.
5. have the coolant cavitation corrosion detecting system of centrifugal pump identification function, by by traditional by by flange
Mode toothed wheel being fixed on output shaft is designed as on output shaft being set with taper sheath, passes through between output shaft and taper sheath
It is bonded dynamic, it is the structure of the toothed wheel of taper in the outside suit inner face of taper sheath, facilitates the installation of toothed wheel, it is to avoid it
The problem of forward flange connection is strict to the connecting hole requirement on machining accuracy in toothed wheel.
6. a coolant cavitation corrosion detecting system with centrifugal pump identification function, passes through the neighbouring compression in cog belt
Tensioning wheel is installed, when dismounting centrifugal pump is needed, loose bolts is only needed, tensioning wheel is lifted up to make it away from cog belt
, now, cog belt is loosened, and centrifugal pump is removed.In the prior art, motor is installed for activity, passes through upper lift motor
The loosening of toothed wheel is realized, but in actual work, it is found that motor is fixed loosely, can not only produce larger noise, and
And the vibrations of long term frequent can also in itself be damaged to motor, shortened service life, added maintenance cost.
7. scientific structure design of the present invention is rationally, with being easily achieved, convenient operation, measuring accuracy is high, can realize rule
Mould production, the advantage of support vehicles traffic safety, are a kind of coolant cavitation corrosion detecting systems with higher innovation.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is Fig. 1 right view；
Fig. 3 is the structural representation that motor of the present invention is connected with centrifugal pump；
Fig. 4 is Fig. 1 A portions enlarged drawing；
Fig. 5 is the structural representation inside pump case of the present invention.
Description of reference numerals：
1- casings, 2- mounting rails, 3- pressure sensors, 4- surge tanks, 5- feed liquors circulation pipe, 6- go out liquid circulation pipe, 7- and hung
Frame, 8- expansion tanks, 9- visors, 10- flow sensors, 11- blast pipes, 12- displacement transducers, 13- stepper motors, 14- pump cases,
15- motors, 16- coolant storage tanks, 17- peristaltic pumps, 18- filters, 19- blow tanks, 20- vacuum transducers, 21- centrifugations
Pump, 22- bolts, 23- tensioning wheels, 24- cog belts, 25- toothed wheels, 26- taper sheaths, 27- keys, 28- output shafts, 29- identification figures
Case, 30- are raised.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function, including cavitation corrosion testing agency,
Described cavitation corrosion testing agency includes casing 1, expansion tank 8, surge tank 4, pressure sensor 3, temperature sensor, circulation pipe
Road, centrifugal pump 21, blast pipe 11, vacuum transducer 20 and flow sensor 10, expansion tank are lifted on the top of casing by suspension bracket 7
On, it is connected at the liquid outlet of expansion tank by installing the pipeline of valve with the upper end import of surge tank, in buffering pot bottom system
There is lower side to export and lower end outlet, lower end exit is connected by pipeline with the blow tank 19 being placed in bottom, in surge tank
Tank body in the middle part of be formed with middle-end import, described surge tank is installed on the mounting rail 2 in casing, with surge tank middle-end import
Relative side is provided with by motor-driven centrifugal pump, and circulation line is provided between middle-end import and outlet of centrifugal pump
Feed liquor circulation pipe 5, circulation line is provided between lower side outlet and centrifugal pump inlet goes out liquid circulation pipe 6, feed liquor circulation
Pipe collectively forms circulation line with liquid storage circulation pipe, and described flow sensor is installed on out on liquid circulation pipe, described pressure
Sensor is mounted on surge tank with temperature sensor, and heating tube is provided with the inside of surge tank, and described blast pipe connects
It is connected between expansion tank bottom and centrifugal pump gas outlet, described vacuum transducer is connected with centrifugal pump, its innovation exists
In：A projection 30 is formed with the inwall of the centrifugal pump casing, is provided with the described outer surface upper end of centrifugal pump casing 14
Concavo-convex identification icon 29, the centrifugal pump cognitron being installed on cabinet wall is provided with the positive upper end of centrifugal pump identification icon
Structure, described centrifugal pump identification mechanism is made up of displacement transducer 12, stepper motor 13 and PLC system, and stepper motor is installed in
On the inwall of casing and drive displacement sensor is in the upper direction of identification icon, described displacement transducer and PLC system phase
Even.
Described cavitation corrosion testing agency also includes coolant storage tank 16 and peristaltic pump 17, and one end of peristaltic pump passes through
Pipeline is connected with coolant storage tank, and the other end of peristaltic pump is connected by pipeline with the inlet of expansion tank.
Visor 9 is installed on the feed liquor circulation tube wall of the circulation line.
Go out on liquid circulation pipe to be also equipped with a filter 18 in the circulation line, described filter is Y tube mistake
Filter.
The centrifugal pump is driven by motor 15 by cog belt 24, and the two ends of cog belt are exported with centrifugal pump and motor respectively
The toothed wheel 25 installed on axle 28 is meshed, and the inside of toothed wheel is set with the taper sheath 26 linked with output shaft, output
Linked between axle and taper sheath by key 27.
Tensioning wheel 23 is lifted with by bolt 22 on the mounting rail, described tensioning wheel is mutually compressed with cog belt to be connect
Touch, described motor is installed in the bottom in test box.
Described displacement transducer is laser class displacement transducer or resistor-type displacement transducer.
This has the coolant cavitation corrosion detecting system of centrifugal pump identification function, rotten with air pocket by that will be traditionally used for
The Centrifugal Pump Design of erosion test is the raised centrifugal pump of interior system, the projection according to the turbulence characteristic of centrifugal pump fluid flow inside,
The rupture of bubble is easily facilitated, cavitation corrosion effect is produced, beneficial to coolant cavitation corrosion test experience；By convex in the interior system
Identification icon is set on the centrifugal pump risen, and coordinates centrifugal pump identification mechanism to recognize, it is to avoid because using other centrifugal pumps
The problem of caused Detection results are undesirable, saves valuable time.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not departing from the present invention and spirit and scope of the appended claims in, it is various replace, change and modifications all be it is possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (7)
1. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function, including cavitation corrosion testing agency, institute
The cavitation corrosion testing agency stated include detection case, expansion tank, surge tank, temperature sensor, feed liquor circulation pipe, go out liquid circulation
Pipe, centrifugal pump, blast pipe, vacuum transducer, pressure sensor and flow sensor, it is characterised in that：In the centrifugal pump pump
A projection is formed with the inwall of shell, irregular identification icon is set in described centrifugal pump casing outer surface upper end, in centrifugation
The positive upper end of pump identification icon is provided with the centrifugal pump identification mechanism being installed on detection chamber interior wall, described centrifugal pump cognitron
Structure is made up of displacement transducer, stepper motor and PLC system, and stepper motor is installed on the inwall of detection case and drive displacement is passed
Sensor is in the upper direction of identification icon, and described displacement transducer is connected with PLC system.
2. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function according to claim 1, it is special
Levy and be：Described cavitation corrosion testing agency also includes coolant storage tank and peristaltic pump, and one end of peristaltic pump passes through pipeline
It is connected with coolant storage tank, the other end of peristaltic pump is connected by pipeline with the inlet of expansion tank.
3. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function according to claim 1, it is special
Levy and be：Visor is embedded with the tube wall of the feed liquor circulation pipe.
4. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function according to claim 1, it is special
Levy and be：A filter is also equipped with liquid circulation pipe in described going out, described filter is Y tube filter.
5. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function according to claim 1, it is special
Levy and be：The centrifugal pump is driven by motor by cog belt, the two ends of cog belt respectively with centrifugal pump and motor output shaft
The toothed wheel installed is meshed, and the inside of toothed wheel is set with the taper sheath linked with output shaft.
6. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function according to claim 5, it is special
Levy and be：Tensioning wheel is lifted with by bolt on the mounting rail installed in detection case, described tensioning wheel is mutually pressed with cog belt
Close contact, described motor is installed in the bottom in detection case.
7. a kind of coolant cavitation corrosion detecting system with centrifugal pump identification function according to claim 1, it is special
Levy and be：Described displacement transducer is laser class displacement transducer or resistor-type displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426361.7A CN105067503B (en) | 2015-07-20 | 2015-07-20 | A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510426361.7A CN105067503B (en) | 2015-07-20 | 2015-07-20 | A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105067503A CN105067503A (en) | 2015-11-18 |
| CN105067503B true CN105067503B (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510426361.7A Expired - Fee Related CN105067503B (en) | 2015-07-20 | 2015-07-20 | A kind of coolant cavitation corrosion detecting system with centrifugal pump identification function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108956442A (en) * | 2018-09-12 | 2018-12-07 | 杨磊 | Engine cool cavitation corrosion characteristic test apparatus |
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| CN2890893Y (en) * | 2006-03-15 | 2007-04-18 | 中国第一汽车集团公司 | Encircling clamp for cooling liquid ultrasonic wave cavitation corrosion test |
| UA43476U (en) * | 2008-11-24 | 2009-08-25 | Марлен Керимович Эреджепов | Installation for determination of corrosion effect of low-freezing liquids on metals, for instance systems that cool combustion engines |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07103879A (en) * | 1993-10-07 | 1995-04-21 | Sumitomo Chem Co Ltd | Method and apparatus for corrosion test |
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2015
- 2015-07-20 CN CN201510426361.7A patent/CN105067503B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| CN2890893Y (en) * | 2006-03-15 | 2007-04-18 | 中国第一汽车集团公司 | Encircling clamp for cooling liquid ultrasonic wave cavitation corrosion test |
| UA43476U (en) * | 2008-11-24 | 2009-08-25 | Марлен Керимович Эреджепов | Installation for determination of corrosion effect of low-freezing liquids on metals, for instance systems that cool combustion engines |
| CN201628669U (en) * | 2009-12-01 | 2010-11-10 | 南京汽车集团有限公司 | Engine coolant aluminum pump cavitation corrosion test stand |
| CN102102612A (en) * | 2009-12-21 | 2011-06-22 | 株式会社电装 | Constant residual pressure valve |
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| CN105067503A (en) | 2015-11-18 |
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Granted publication date: 20171107 Termination date: 20200720 |