CN206148029U - Exchange power transmission and transformation principle and efficiency experiment appearance - Google Patents
Exchange power transmission and transformation principle and efficiency experiment appearance Download PDFInfo
- Publication number
- CN206148029U CN206148029U CN201620898665.3U CN201620898665U CN206148029U CN 206148029 U CN206148029 U CN 206148029U CN 201620898665 U CN201620898665 U CN 201620898665U CN 206148029 U CN206148029 U CN 206148029U
- Authority
- CN
- China
- Prior art keywords
- voltage
- power transmission
- transmission
- transformation
- transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses an exchange power transmission and transformation principle and efficiency experiment appearance, this experiment appearance has designed one kind and has constituted with actual power supply system, the basic unanimous power transmission and transformation system of working process, with higher voltage among the actual power supply system of relatively low voltage analog, circuit system is by the electricity generation, and - - - stepping up, - - - transmission of electricity - - - step -down - - - load order unit constitutes, step up transformer adopts auto transformer to realize transmission voltage's continuously adjustable, the wiring end transform that reducing transformer passes through secondary coil changes the transformer ratio, load unit is except that the three lamp stand of design and installation, can also external resistance box, slide rheostat is as the load. Operating panel adopts the circuit diagram and the mode of component in kind contrast overall arrangement to arrange, realizes the simplicity of operation and the nature directly perceived of observation. Can exchange qualitative experiment demonstration and quantitative experiment measurement that power transmission and transformation in -process transformer goes up and down to press aspects such as principle, power transmission and transformation principle, transformer work efficiency, transmission voltage and power transmission efficiency relation.
Description
Technical field
This utility model is related to a kind of integrate the demonstration of ac transmission, power transformation principle and efficiency and the synthesis that measures of experiment
Property experimental apparatus.
Background technology
For transformator buck principle, power transmission and transformation principle, transformator work efficiency, transmission of electricity effect during AC input transformation
It is a series of problems, such as relation of rate and transmission voltage, main with the side of theory teaching in current colleges and universities and physics teaching in secondary school
Formula carries out knowledge-transference, and lacking corresponding experimental apparatus carries out the measurement analysis of principle demonstration and real data.Due to such reality
Test amount is related to the high voltage more than human safety voltage, and especially for Electrical Safety knowledge, complete, operant skill is not relatively low
For middle school student, the design requirement of this quasi-instrument is of a relatively high, should be understood as previously described by experimental demonstration and measurement
AC input transformation during series of problems, reach the preferable learning effect of the connection between theory and practice, it is visual in image again, be easy to
Operation and the personal safety of guarantee student.
By patent retrieval, the same design or product provided in this utility model is found no.
Utility model content
The drawbacks of lacking experiments supporting instrument in terms of AC input transformation content teaching to solve current Physics Course, allow
Student more fully understand grasp AC input transformation during transformator buck principle, power transmission and transformation principle, transformator work efficiency,
The problems such as relation of power transmission efficiency and transmission voltage, this utility model devise it is a kind of with actual power system composition, it is worked
The basically identical power transmission and transformation system of journey, using voltage higher in relatively low voltage analog actual power system, circuit system
System is according to generating, and --- --- transmission of electricity --- blood pressure lowering --- Mo-Co catalyst unit arrangement circuit, guidance panel are former using circuit for boosting
Reason figure compares the mode of layout with the element in kind such as measuring instrumentss, realizes the simplicity of operation and the intuitive of observation measurement, can
To carry out AC input transformation Principle of Process, the qualitative demonstration of phenomenon and the quantitative measurement of experimental data.
This utility model solves the technical scheme adopted by its technical problem：With mains 220V power voltage supplies, use
First transformer analog electric station, produces relatively low alternating voltage；The alternating voltage is input into into the second transformer inputs, second
Transformator is booster transformer, produces higher output voltage as the initiating terminal of high voltage power transmission in its outfan, electric with first
Pressure table shows its magnitude of voltage；The first ammeter is concatenated on ultra-high-tension power transmission line and shows transmission current；Transmit through longer wire lead
Afterwards, high voltage power transmission terminal voltage value shown with second voltage table, by the 3rd transformer inputs of control source, the 3rd transformator
For step-down transformer, output end voltage is shown by tertiary voltage table；3rd transformator outfan the first lamp socket of parallel connection, the second lamp
Seat, the 3rd lamp socket, can install the little bulb of different voltage parameters as circuit load, respectively with first switch, second switch,
The break-make of the 3rd on-off control correspondence bulb.
Above-mentioned second transformator adopts adjustable autotransformer, can continuously change defeated by adjusting its slider
Piezoelectric voltage；3rd transformer secondary coil has three joints, converts terminals by single-pole double-throw switch (SPDT), thus it is possible to vary its transformation
Than；According to actual experiment needs, the bulb mounting on lamp socket is can also be without, and passes through binding post outer meeting resistance case or cunning on lamp socket
Dynamic rheostat as circuit load, realize circuit load it is accurate, continuously adjust, conveniently carry out the measurement of multi-group data.
This utility model instrumentation panel is designed with circuit theory diagrams and compares the mode of layout with material object, and circuit is former
Reason figure is printed on guidance panel, installs the symbol institute in circuit diagram beside the component symbol such as instrument, switch, bulb position
Corresponding material object, some with operate, measure it is unrelated or be related to it is high-tension it is in kind be then arranged on cabinet inside, to guarantee operator
Personal safety.
The beneficial effects of the utility model are to devise a kind of and basically identical miniature power transmission and transformation system of actual power system
System, can carry out the experimental demonstration in terms of AC input transformation, can also pass through during quantitative data measurement Research power transmission and transformation
Series of problems, compensate for the shortage in this aspect experimental apparatus in physics teaching, can the popularization and application in middle school and colleges and universities.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further illustrated.
Fig. 1 is this utility model circuit theory diagrams.
Fig. 2 is this utility model board material object photo.
1. first transformator in figure, 2. the second transformator, 3. slider, 4. first voltage table, 5. the first electric current
Table, 6. second voltage table, 7. the 3rd transformator, 8. single-pole double-throw switch (SPDT), 9. tertiary voltage table, 10. the second ammeter,
11. first lamp sockets, 12. second lamp sockets, 13. the 3rd lamp sockets, 14. first switches, 15. second switches, 16. the 3rd open
Close, 17. slider adjusting knobs.
Specific embodiment
【Embodiment 1】Ac transmission principle demonstration.
Electric station is simulated with the first transformator 1, the relatively low alternating voltage of its output is input into the second transformator 2, the transformator
The low-voltage of input is changed into high voltage to be transmitted electricity, first voltage table 4 shows high voltage power transmission starting terminal voltage, the first ammeter
5 show transmission currents, and second voltage table 6 shows high voltage power transmission terminal voltage, the 3rd transformator 7 of control source, the Jing transformations
The voltage supply for being changed into relatively low after device blood pressure lowering works to circuit load, 9 load terminal voltage of tertiary voltage table, and the second ammeter 10 shows
Show loaded work piece electric current.1 to 3 load bulb can be respectively connected to during experiment, slider adjusting knob 17 is adjusted with different
Voltage Power, by the reading for observing each voltmeter and ammeter, understands the principle and process of ac transmission.
【Embodiment 2】Transformator varying-voltage principle is demonstrated.
In the case where circuit does not connect loading condition, i.e., first switch 14, the switch of second switch the 15, the 3rd 16 all disconnect, and hilted broadsword is double
Throw switch 8 is first beaten to lower end, adjusts slider adjusting knob 17 to appropriate location, observation second voltage table 6 and tertiary voltage
The reading of table 9, thus obtains 7 input of the 3rd transformator and output end voltage ratio, is the transformator transformation ratio.Change and slide
To diverse location, same method repeatedly observes the reading of second voltage table 6 and tertiary voltage table 9 to contact adjusting knob 17, judges
Whether transformation ratio is consistent.Then single-pole double-throw switch (SPDT) 8 is first beaten to upper end, same method repeats aforesaid operations, obtains new change
Pressure ratio.And compare the relation of transformation ratio in above-mentioned two situations.Because the 7 secondary coil transition joint of the 3rd transformator is by coil turn
Halve, transformation ratio is the twice under latter event under the previous case in theory, practical situation is judged by demonstrating observation
Whether with it is consistent in theory.
【Embodiment 3】Transformer efficiency and bearing power relationship experiments.
Single-pole double-throw switch (SPDT) 8 is first beaten to certain one end, slider adjusting knob 17 is adjusted to the reading for making tertiary voltage table 9
Rated voltages of the number equal to institute's bulb mounting on the first lamp socket 11, close first switch 14, read respectively the first ammeter 5, the
Two ammeters 10, second voltage table 6, the reading of tertiary voltage table 9, calculate the power of 7 input of the 3rd transformator and outfan
Size, and then try to achieve its work efficiency.Second switch 15 is closed again, finally the 3rd switch 16 of closure, same method measures transformation
Device work efficiency, compares the Changing Pattern of transformator work efficiency in the case of different loads.In above-mentioned experimentation, if making
The load more continuous, measurement data of change is more smooth, experiment law is apparent, can provide resistance box or slide rheostat for oneself,
Its replacement bulb is accessed into two binding posts of a certain lamp socket, resistance is repeatedly adjusted as needed and is capable of achieving.
【Embodiment 4】Transmission voltage and power transmission efficiency relationship experiments（High voltage power transmission advantage experimental verification）.
Single-pole double-throw switch (SPDT) 8 is first beaten to upper end, slider adjusting knob 17 is adjusted to the reading for making tertiary voltage table 9
Equal to the rated voltage of institute's bulb mounting on the first lamp socket 11, first switch 14 is closed, bulb normal work on the first lamp socket 11,
First voltage table 4, the first ammeter 5, the reading of second voltage table 6 are read respectively, by first voltage table 4 and the first ammeter 5
Data can obtain transmit electricity initiating terminal power, by the data of second voltage table 6 and the first ammeter 5 can obtain transmit electricity end work(
Rate, and then can be in the hope of power transmission efficiency and transmission line loss power；Then single-pole double-throw switch (SPDT) 8 is first beaten to lower end, now
As 7 transformation ratio of the 3rd transformator changes, in order to proof load power it is constant, it is necessary to adjust again slider adjust rotation
Button 17 makes the reading of tertiary voltage table 9 be again equal to be installed on the first lamp socket 11 to improve the output voltage of the second transformator
The rated voltage of bulb, this be equivalent to electric loading it is constant in the case of transmission voltage improve.It is same to read first voltage
Table 4, the first ammeter 5, the reading of second voltage table 6 simultaneously obtain power transmission efficiency now and transmission line loss power, compare
The relation of power transmission efficiency, transmission line loss power and transmission voltage in the case of both front and back, understands the advantage of high voltage power transmission.
Such as it is intended to obtain more measurement data in experiment, above-mentioned experiment can be repeated in 2,3 bulbs of load end access
Journey, can also carry out the measurement of multi-group data by using bulb, outer meeting resistance case or the slide rheostat of different voltage parameters instead,
And then can be with quantitative analyses transmission voltage and the relation of power transmission efficiency.
Claims (3)
1. a kind of AC input transformation principle and efficiency experiment instrument, including the first transformator（1）As simulation electric station, the second transformation
Device（2）As booster transformer, the 3rd transformator（7）As step-down transformer, first voltage table（4）Show transmission of electricity initiating terminal electricity
Pressure, second voltage table（6）Show transmission of electricity terminal voltage, the first ammeter（5）Show transmission current, tertiary voltage table（9）Show
Load terminal voltage, the second ammeter（10）Show loaded work piece electric current, it is characterised in that：Second transformator（2）Become using self coupling
Depressor, continuously adjustable transmission voltage, the 3rd transformator（7）By the terminals of secondary coil by single-pole double-throw switch (SPDT)（8）Can
To change its transformation ratio.
2. AC input transformation principle according to claim 1 and efficiency experiment instrument, it is characterised in that：Instrumentation panel is adopted
The mode of layout compare with circuit theory diagrams and material object, circuit theory diagrams is printed on panel, and in figure with operation, measure
Material object corresponding to the symbol is installed by the character position of the elements such as correlate meter, switch, bulb, with operate, measure it is unrelated or
It is related to high-tension in kind installed in cabinet inside.
3. AC input transformation principle according to claim 1 and 2 and efficiency experiment instrument, it is characterised in that：First lamp socket
（11）, the second lamp socket（12）, the 3rd lamp socket（13）Lamp socket cable post outer meeting resistance case, slide rheostat replacement bulb can be passed through
As circuit load, continuously change circuit load size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620898665.3U CN206148029U (en) | 2016-08-18 | 2016-08-18 | Exchange power transmission and transformation principle and efficiency experiment appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620898665.3U CN206148029U (en) | 2016-08-18 | 2016-08-18 | Exchange power transmission and transformation principle and efficiency experiment appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148029U true CN206148029U (en) | 2017-05-03 |
Family
ID=58627347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620898665.3U Expired - Fee Related CN206148029U (en) | 2016-08-18 | 2016-08-18 | Exchange power transmission and transformation principle and efficiency experiment appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428495A (en) * | 2017-08-31 | 2019-03-05 | 崔进 | A kind of negative resistance effect power generator |
-
2016
- 2016-08-18 CN CN201620898665.3U patent/CN206148029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428495A (en) * | 2017-08-31 | 2019-03-05 | 崔进 | A kind of negative resistance effect power generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206148029U (en) | Exchange power transmission and transformation principle and efficiency experiment appearance | |
| CN202142223U (en) | Wind and photovoltaic hybrid off-grid power generation teaching training device | |
| CN2896412Y (en) | Electrotechnic electronic and automatization comprehensive experiment table | |
| CN205845374U (en) | Portable frequency converting speed governing operant skill actual training device | |
| CN201072612Y (en) | Technical ability real training examination device of programmable controller | |
| CN108961899A (en) | A kind of X-ray machine Experiment of Electrical Circuits analogue system based on virtual instrument technology | |
| CN201859585U (en) | Power distribution training device based on PLC (programmable logic controller) | |
| CN214202731U (en) | Experimental device for simulating household circuit | |
| KR102403333B1 (en) | Automatic Supply Apparatus of Simulation DC Power with Variable Control | |
| CN203706533U (en) | Power distribution system practical training device | |
| CN209543632U (en) | Low-voltage distribution comprehensive training device | |
| CN201060232Y (en) | current mutual inductor testing apparatus for intelligent electrical apparatus release | |
| CN109999939A (en) | A kind of middle school student's physical circuit experimental bench | |
| CN110706563A (en) | Experiment display device for electrical teaching | |
| CN201072615Y (en) | Electric motor dragging and control technology real training device | |
| CN209657532U (en) | A kind of electromechanical teaching actual training device | |
| CN216717643U (en) | Durability test system of NTC product | |
| CN203706573U (en) | Salient pole generator practical training device | |
| RU86032U1 (en) | PROTECTIVE GROUNDING STAND | |
| CN202996144U (en) | Portable electronic experiment table | |
| CN204390571U (en) | Electricity pilot demonstration device | |
| CN209947226U (en) | Signal generating equipment for teaching | |
| CN210514576U (en) | Multifunctional comprehensive test machine | |
| CN207731524U (en) | A kind of external ammeter method and ammeter inner connection method contrast experiment's platform | |
| CN206148014U (en) | Safe electricity use training device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20180818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |