CN206593830U - Intelligence repacking reynolds experiment platform based on STM32 - Google Patents
Intelligence repacking reynolds experiment platform based on STM32 Download PDFInfo
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- CN206593830U CN206593830U CN201720374216.3U CN201720374216U CN206593830U CN 206593830 U CN206593830 U CN 206593830U CN 201720374216 U CN201720374216 U CN 201720374216U CN 206593830 U CN206593830 U CN 206593830U
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- constant pressure
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- pressure water
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Abstract
The utility model is related to Hydromechanics experimental device, and in particular to the intelligence repacking reynolds experiment platform based on STM32.Including experimental bench, storage tank, constant pressure water tank, the storage tank is located at below experimental bench, and the storage tank side is provided with drainpipe；Motor and centrifugal pump are provided with the storage tank, the centrifugal pump is connected by connecting water pipe with constant pressure water tank；The experimental bench is provided with back pool with respect to constant pressure water tank side, and the back pool is connected with storage tank by the water pipe that flows back；The drainpipe is connected with backflow water pipe；It is provided with the constant pressure water tank outside overflow plate, dividing plate, the constant pressure water tank and is provided with spike water tank；STM32 control cabinets are placed in below experimental bench, and liquid crystal touch screen, switch are on experimental bench.Intelligence of the utility model based on STM32 reequips reynolds experiment platform, measures and aid in control by multiple sensors, realizes DATA REASONING, processing and the display of efficiently and accurately.
Description
Technical field
The utility model is related to Hydromechanics experimental device, and in particular to the intelligence repacking reynolds experiment platform based on STM32.
Background technology
Reynolds experiment platform is the critical equipment equipment that measurement stream body weight wants parameter index Reynolds number, mainly by periodical feeding
Device, constant pressure water tank, Reynolds pipe, colored water water pipe, water stabling aperture board, overflow plate, flow control valve etc. are constituted, and are adjusted by adjusting flow
Valve is saved to observe and determine laminar flow and turbulent flow phenomenon.Current laboratory reynolds experiment platform has done many improvement to existing platform,
Intake including constant water tank using filtration and infiltration, make head stable；Test pipeline section to intake using streamlined loudspeaker, eliminate blunt type water
Influence of the mouth to experiment pipeline section water inlet；Tested and demonstrated using many parallel laboratory test pipeline sections, be easy to check analysis etc..But this
A little improved reynolds experiment platforms still use purely manual control, and Preparatory work of experiment process is cumbersome, indicator polluted source and are difficult clearly
It is clean, while current noise severe jamming is imparted knowledge to students, it is unfavorable for the implementation of experiment.
Authorization Notice No. is CN205508220U Chinese utility model patent, discloses a kind of " new reynolds experiment
Platform ", the experimental bench is by installing flowmeter, the instantaneous velocity of accurate measurement fluid；Cyclic water tank is connected with backflow water pipe, is used
Hydraulic pressure is entered inhalant region by Manual press device, and pipe is connected in inhalant region and areas of permanent pressure, mitigates the fluid to Reynolds pipe water inlet
Disturbance.But this method can not accurately control the flow in Reynolds pipe, and equipment operation has loud noise.
In summary, existing experimental bench artificial data measurement error is big, equipment running noises are big, equipment degree of regulation is low,
Complex operation, and the amount of labour of faculty and experimenter are big, so the reynolds experiment platform of a kind of intelligent operation, Effec-tive Function
It is essential in teaching.
The content of the invention
In order to solve, existing reynolds experiment platform artificial data measurement error is big, equipment running noises are big, equipment degree of regulation
The problems such as low and complex operation, while reducing faculty and experimenter's amount of labour, the utility model devises one kind and is based on
STM32 intelligence repacking reynolds experiment platform, measures and aids in control by multiple sensors, realizes that the data of efficiently and accurately are surveyed
Amount, processing and display.
The technical scheme that the utility model is used is：
A kind of intelligence repacking reynolds experiment platform based on STM32, including experimental bench, storage tank, constant pressure water tank, the water storage
Case is located at below experimental bench, and the storage tank side is provided with drainpipe；
Motor and centrifugal pump are provided with the storage tank, the centrifugal pump is connected by connecting water pipe with constant pressure water tank；
The experimental bench is provided with back pool with respect to constant pressure water tank side, and the back pool is connected with storage tank by the water pipe that flows back；It is described
Drainpipe is connected with backflow water pipe；
It is provided with the constant pressure water tank outside overflow plate, dividing plate, the constant pressure water tank and is provided with spike water tank；The spike water
Case is connected by indicator transfer tube with spike tank pipe, and the indicator transfer tube is provided with water pump；
Described spike tank pipe one end is connected with constant pressure water tank, and the other end is connected with back pool；
The drainpipe, backflow water pipe, it is equipped with solenoid electric valve on connecting water pipe；The spike tank pipe is provided with
Flow valve；The aperture of flow control valve is adjusted using high-speed figure steering wheel；
STM32 control cabinets are placed in below experimental bench, and liquid crystal touch screen, switch are on experimental bench, the STM32 controls
Case, solenoid electric valve, liquid crystal touch screen, switch, flow valve pass through connection.
Preferably, the embedded in water storage tank level sensor.
Preferably, there is scale mark the back pool outer surface.
Preferably, red ink is housed, the indicator transfer tube is connected with spike tank pipe in the spike water tank
Place is provided with syringe needle.
Preferably, the constant pressure water tank is provided with sound panel, the constant pressure water tank with respect to the opposite side outside of spike water tank
（22）Inside it is additionally provided with temperature sensor.
The beneficial effects of the utility model are：
1st, intelligence repacking reynolds experiment platform of the utility model based on STM32, measures and aids in control by multiple sensors
System, realizes DATA REASONING, processing and the display of efficiently and accurately.
2nd, using multi-sensor data collection and filtering process.Design and produce many of stable operation that remain unchanged in wet condition
Sensor detecting system, using a variety of water-proof sensors and designs sensor transmission circuit.
3rd, 12 high-speed ADCs being internally integrated using STM32 single-chip microcomputers are sampled to sensor signal, and the number to collecting
According to processing is filtered, so as to obtain accurate experimental data.
4th, the aperture of flow control valve is adjusted using high-speed figure steering wheel, PWM arteries and veins is produced by STM32 single-chip microcomputers
Modulated signal control steering wheel rotates a certain angle, and controls water pipe flow velocity, while detecting flow velocity, shape using high-precision sensor
Into closed-loop control system, anti-antipriming pipe excessively stream or blocking.
5th, realize that the processing of single-chip microcomputer high-speed data is shown with storage.The program circuit of hommization is set in touch display screen
Selection, so that user obtains the initial data under corresponding experimental state, calculates the Reynolds number under respective conditions.
6th, by sound panel noise reduction, the relatively quiet of teaching environment is reached.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
In figure：1. sound panel, 2. temperature sensors, 3. experimental benches, 4. connecting water pipes, 5 centrifugal pumps, 6. storage tanks, 7. water
Level sensor, 8. drainpipes, 9. solenoid electric valves, 10.STM32 control cabinets, 11. back pools, 12. flow control valves, 13. backflows
Water pipe, 14. liquid crystal touch screens, 15. spike tank pipes, 16. switches, 17. indicator transfer tubes, 18. water pumps, 19. spike water
Case, 20. overflow plates, 21. dividing plates, 22. constant pressure water tanks.
Embodiment
Further illustrate the utility model with reference to embodiment, but the claimed scope of the utility model not office
It is limited to the scope of embodiment statement.
As shown in figure 1, a kind of intelligence repacking reynolds experiment platform based on STM32, including experimental bench 3, storage tank 6, constant pressure
Water tank 22, the storage tank 6 is located at the lower section of experimental bench 3, and the side of storage tank 6 is provided with drainpipe 8；
Motor and centrifugal pump 5 are provided with the storage tank 6, the centrifugal pump 5 passes through connecting water pipe 4 and constant pressure water tank 22
It is connected；The experimental bench 3 is provided with back pool 11 with respect to the side of constant pressure water tank 22, and the back pool 11 is with storage tank 6 by returning
Overflow pipe 13 is connected；The drainpipe 8 is connected with backflow water pipe 13；
Overflow plate 20, dividing plate 21 are provided with the constant pressure water tank 22, the outside of constant pressure water tank 22 is provided with spike water tank 19；
The spike water tank 19 is connected by indicator transfer tube 17 with spike tank pipe 15, and the indicator transfer tube 17 is provided with
Water pump 18；
Described one end of spike tank pipe 15 is connected with constant pressure water tank 22, and the other end is connected with back pool 11；
The drainpipe 8, backflow water pipe 13, it is equipped with solenoid electric valve 9 on connecting water pipe 4；The spike tank pipe
15 are provided with flow valve 12；The aperture of flow control valve is adjusted using high-speed figure steering wheel.
STM32 control cabinets 10 are placed in the lower section of experimental bench 3, and liquid crystal touch screen 14, switch 16 are described on experimental bench 3
STM32 control cabinets 10, solenoid electric valve 9, liquid crystal touch screen 14, switch 16, flow valve 12 pass through connection.
Preferably, level sensor 7 built in the storage tank 6.Throw-in type liquid level sensor SIN- may be selected in sensor 7
P260。
Preferably, there is scale mark the outer surface of back pool 11.Scale mark is for the water in the measurement unit time
Flow, by STM32 internal processes timing, so as to calculate the flow velocity in the unit interval, subsequent calculations Reynolds number can be used.
Preferably, red ink, the indicator transfer tube 17 and spike tank pipe are housed in the spike water tank 19
15 junctions are provided with syringe needle.Ensure that indicator is slow, uniformly flow into indicator transfer tube.
Preferably, the constant pressure water tank 22 is provided with sound panel 1, the constant pressure water with respect to the opposite side outside of spike water tank 19
Temperature sensor 2 is additionally provided with case 22.Sound panel be in order to eliminate current generation huge noise, reach the relative of teaching environment
It is quiet；DS18B20, water proof type may be selected in temperature sensor.
Specific operation process of the present utility model and experimental principle are:
First, experiment model is set on liquid crystal touch screen, respectively laminar flow is adjusted to turbulent flow（Upper bound Reynolds number is determined）、
Turbulent flow is adjusted to laminar flow（Lower bound Reynolds number is determined）, indicator cleaning function setting.When carrying out Reynolds number measure, electromagnetism is opened
Control valve, motor constantly draws water to constant pressure water tank 22 from storage tank 6, the water in constant pressure water tank 22 is in overflow shape
State, the water of overflow is flowed into storage tank by connecting water pipe 4.Red ink in spike water tank 15 passes through syringe needle and spike water tank
Pipeline 15 flows into indicator transfer tube 17, so as to show the state of current.It can adjust and show by touch display screen 14
The folding of each solenoid electric valve, so that accurate flow control, while can show in the water level and constant pressure water tank in storage tank
Temperature, so as to judge whether to need that water-carrying capacity is adjusted.When observing current from laminar flow excessively to turbulent flow（Or turbulent mistake
Spend laminar flow）When, the flow velocity v of current is recorded, carries out after multigroup measurement, calculates the upper bound Reynolds number of current（Or lower bound Reynolds
Number）.When carrying out indicator cleaning function, start water pump, cleaned out spike water tank by the impact of current；In addition, working as
When experiment terminates to carry out the cleaning of experimental bench, the water in storage tank can be discharged by drainpipe.
The above embodiments are only optimal technical scheme of the present utility model, and are not construed as limit of the present utility model
Embodiment in system, the application and the feature in embodiment can be mutually combined in the case where not conflicting.This practicality is new
Technical characteristic in the technical scheme that the protection domain of type should be recorded with claim, including the technical scheme of claim record
Equivalents are protection domain.Equivalent substitution i.e. within this range is improved, also protection domain of the present utility model it
It is interior.
Claims (5)
1. a kind of intelligence repacking reynolds experiment platform based on STM32, including experimental bench（3）, storage tank（6）, constant pressure water tank（22）,
It is characterized in that：The storage tank（6）Positioned at experimental bench（3）Lower section, the storage tank（6）Side is provided with drainpipe（8）；
The storage tank（6）It is interior to be provided with motor and centrifugal pump（5）, the centrifugal pump（5）Pass through connecting water pipe（4）With constant pressure water
Case（22）Connection；The experimental bench（3）With respect to constant pressure water tank（22）Side is provided with back pool（11）, the back pool（11）With storage
Water tank（6）Pass through the water pipe that flows back（13）Connection；The drainpipe（8）With backflow water pipe（13）Connection；
The constant pressure water tank（22）It is interior to be provided with overflow plate（20）, dividing plate（21）, the constant pressure water tank（22）Outside is provided with spike water
Case（19）；The spike water tank（19）Pass through indicator transfer tube（17）With spike tank pipe（15）Connection, the indicator
Transfer tube（17）It is provided with water pump（18）；
The spike tank pipe（15）One end and constant pressure water tank（22）Connection, the other end and back pool（11）Connection；
The drainpipe（8）, backflow water pipe（13）, connecting water pipe（4）On be equipped with solenoid electric valve（9）；The spike water tank
Pipeline（15）It is provided with flow valve（12）；
STM32 control cabinets（10）It is placed in experimental bench（3）Lower section, liquid crystal touch screen（14）, switch（16）Located at experimental bench（3）On,
The STM32 control cabinets（10）, solenoid electric valve（9）, liquid crystal touch screen（14）, switch（16）, flow valve（12）Pass through circuit
Connection.
2. the intelligence repacking reynolds experiment platform according to claim 1 based on STM32, it is characterised in that：The storage tank
（6）Built-in level sensor（7）.
3. the intelligence repacking reynolds experiment platform according to claim 1 based on STM32, it is characterised in that：The back pool
（11）There is scale mark outer surface.
4. the intelligence repacking reynolds experiment platform according to claim 1 based on STM32, it is characterised in that：The spike water
Case（19）In be equipped with red ink, the indicator transfer tube（17）With spike tank pipe（15）Junction is provided with syringe needle.
5. the intelligence repacking reynolds experiment platform according to claim 1 based on STM32, it is characterised in that：The constant pressure water
Case（22）With respect to spike water tank（19）Opposite side outside be provided with sound panel（1）, the constant pressure water tank（22）Inside it is additionally provided with temperature
Sensor（2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374216.3U CN206593830U (en) | 2017-04-11 | 2017-04-11 | Intelligence repacking reynolds experiment platform based on STM32 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374216.3U CN206593830U (en) | 2017-04-11 | 2017-04-11 | Intelligence repacking reynolds experiment platform based on STM32 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206593830U true CN206593830U (en) | 2017-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720374216.3U Expired - Fee Related CN206593830U (en) | 2017-04-11 | 2017-04-11 | Intelligence repacking reynolds experiment platform based on STM32 |
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| CN (1) | CN206593830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277007A (en) * | 2019-07-23 | 2019-09-24 | 顺德职业技术学院 | A kind of Hydromechanics experimental device |
-
2017
- 2017-04-11 CN CN201720374216.3U patent/CN206593830U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277007A (en) * | 2019-07-23 | 2019-09-24 | 顺德职业技术学院 | A kind of Hydromechanics experimental device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |