CN105825722A - Junior high school electricity question solving prompt device and junior high school electricity question solving prompt method - Google Patents
Junior high school electricity question solving prompt device and junior high school electricity question solving prompt method Download PDFInfo
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Abstract
The invention discloses a junior high school electricity question solving prompt device and a junior high school electricity question solving prompt method. The device comprises a power supply, a power switch, a controller, a reset button, a physical variable display area, and a physical formula display area. The physical variable display area is composed of 30 physical variable display units. Each physical variable display unit is composed of a key and an LED lamp arranged on the back of the key. The keys and the LED lamps are connected with the controller. The fronts of the keys are labeled with different physical variable names. Each key represents one physical variable. The physical formula display area is formed by arranging the 30 physical variable display units and arithmetic symbols into a topology of all junior high school electricity physical formulas, and all the physical variable display units in the topology are connected with the controller. The advantages are as follows: the idea of physical question solving can be shown visually, students are enabled to think independently and draw inferences, students depend less on teachers, the device can cooperate with teachers in physics teaching, and the teaching ability of teachers is improved.
Description
Technical field
The present invention relates to one solve a problem suggestion device, especially relate to one junior middle school electricity and solve a problem suggestion device and method.
Background technology
Electricity is a pith of junior middle school physics teaching.But, the physical principle involved by electricity is abstract, and physical equation is more, thus student is difficult to select suitable physical equation in course of solving questions, and learning effect is undesirable.At present, during junior middle school's electricity teaching, thinking of solving a problem is imparted to student by the mode of giving lessons generally using teacher to write combination explanation on blackboard.But, existing teacher explains formula and solves a problem that prompting mode there is problems in that 1, inconvenience shows how to select some or the thinking of multiple physical equation in numerous formula according to the meaning of the question intuitively, the displaying of thinking of solving a problem is not directly perceived, causes teacher to be difficult in teaching process inspire student to draw inferences about other cases from one instance；2, Students ' Learning is strong to teacher's dependency, encounters problems and be difficult to solve in time in causing solving a problem；3, Teaching Ability is mainly determined by its experience with students, it is difficult to impart to student by selecting the skill of Desirable physical formula according to the meaning of the question.
In view of this, design one display material understanding intuitively can inscribe thinking, the thinking that student can be autonomous is made to sum up, reach the purpose that student can be drawn inferences about other cases from one instance, reduce student's dependency to teacher, simultaneously teacher can be coordinated to carry out physics to give lessons, junior middle school's electricity of the teaching ability improving teacher solve a problem suggestion device and method significant.
Summary of the invention
One of the technical problem to be solved is to provide one display material understanding intuitively can inscribe thinking, the thinking that student can be autonomous is made to sum up, reach the purpose that student can be drawn inferences about other cases from one instance, reduce student's dependency to teacher, simultaneously teacher can be coordinated to carry out physics to give lessons, junior middle school's electricity of the teaching ability improving teacher is solved a problem suggestion device.
The present invention solves the technical scheme that one of above-mentioned technical problem used: a kind of junior middle school's electricity is solved a problem suggestion device, including power supply, on and off switch, controller, SR, physical descriptor viewing area and physical equation viewing area, described power supply is connected with described on and off switch and described controller respectively, described SR and described controller connect, described physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each described physical descriptor display unit includes a button and is arranged on the LED at the described button back side, described button and described LED are connected with described controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, each button represents a physical descriptor；Described physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in described topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in described topological structure is connected with described controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit.
30 physical descriptors are respectively as follows: voltage, series voltage 1, series voltage 2, shunt voltage 1, shunt voltage 2, electric current, series current 1, series current 2, parallel-current 1, parallel-current 2, resistance, series resistance 1, series resistance 2, parallel resistance 1, parallel resistance 2, electric work, series connection electric work 1, series connection electric work 2, electric work 1 in parallel, electric work 2 in parallel, electrical power, series electrical power 1, series electrical power 2, electrical power 1 in parallel, electrical power 2 in parallel, the quantity of electric charge, time, mechanical efficiency, useful work and extra power.
Compared with prior art, the solve a problem advantage of suggestion device of junior middle school's electricity of the present invention is that building solve a problem suggestion device, power supply and controller of junior middle school's electricity by power supply, on and off switch, controller, SR, physical descriptor viewing area and physical equation viewing area connects；Physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each physical descriptor display unit includes a button and is arranged on the LED at the button back side, button and LED are connected with controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, and each button represents a physical descriptor；Physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in topological structure is connected with controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit, thus display material understanding intuitively can inscribe thinking, the thinking that student can be autonomous is made to sum up, reach the purpose that student can be drawn inferences about other cases from one instance, reduce student's dependency to teacher, teacher can be coordinated to carry out physics to give lessons simultaneously, it is easy to Physical Education Teacher and carries out thinking guiding of solving a problem, improve Teaching Ability, sum up the skill selecting Desirable physical formula according to the meaning of the question, improve Physics Learning and teaching efficiency.
The two of the technical problem to be solved are to provide one display material understanding intuitively can inscribe thinking, the thinking that student can be autonomous is made to sum up, reach the purpose that student can be drawn inferences about other cases from one instance, reduce student's dependency to teacher, simultaneously teacher can be coordinated to carry out physics to give lessons, junior middle school's electricity of the teaching ability improving teacher is solved a problem reminding method.
nullThe present invention solves the technical scheme that the two of above-mentioned technical problem used: a kind of junior middle school's electricity is solved a problem reminding method，Employing junior middle school electricity is solved a problem suggestion device，Described junior middle school's electricity suggestion device of solving a problem includes power supply、On and off switch、Controller、SR、Physical descriptor viewing area and physical equation viewing area，Described power supply is connected with described on and off switch and described controller respectively，Described SR and described controller connect，Described physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements，Each described physical descriptor display unit includes a button and is arranged on the LED at the described button back side，Described button and described LED are connected with described controller respectively，Button front in each physical descriptor display unit is labeled with different physical descriptor titles，Each button represents a physical descriptor；Described physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in described topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in described topological structure is connected with described controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit；Specifically include following steps:
1. determining physical descriptor to be solved according to the meaning of the question, click on the button that the physical descriptor to be solved in physical descriptor viewing area is corresponding, this button produces signal and is sent to controller；
2. the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this physical descriptor to be solved in physical equation viewing area is luminous, now, the physical descriptor to be solved in all formula relevant to this physical descriptor to be solved in physical equation viewing area is lit, the physical equation that prompting student is relevant to variable to be solved；
3. all known physical descriptor be given in exercise question is found out according to the meaning of the question, and in physical descriptor viewing area, click on the button that known substance reason variable is corresponding successively, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this known physical descriptor in physical equation viewing area is luminous, after having operated, all known physical descriptor in all formula relevant to all known physical descriptors in physical equation viewing area is lit；
That 4. observes physical descriptor in physical equation viewing area lights situation, physical descriptor to be solved is comprised and physical equation that its physical descriptor being contained within all is lit if physical equation viewing area exists, the method for solving of physical descriptor to be solved then can be obtained according to this physical equation, prompting of solving a problem terminates, and otherwise enters the and 5. walks；
That 5. observes physical descriptor in physical equation viewing area lights situation, finds only one of which physical descriptor non-lit up and does not comprise all physical equations of physical descriptor to be solved:
If meeting the physical equation only one of which of condition, then this physical descriptor non-lit up in meeting the physical equation of condition is necessarily for intermediate physical variable the most to be solved, now follows the steps below operation:
A. this intermediate physical variable is obtained according to this equations；
B. in physical descriptor viewing area, click on the button that this intermediate physical variable is corresponding, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this intermediate physical variable in physical equation viewing area is luminous, now, this intermediate physical variable in relevant to this intermediate physical variable in physical equation viewing area all formula is all lit；
That c. observes physical descriptor in physical equation viewing area lights situation, in this case certainly exist one and comprise physical descriptor to be solved and physical equation that its physical descriptor being contained within all is lit, then can obtain the method for solving of physical descriptor to be solved according to this physical equation, prompting of solving a problem terminates；
If meeting the physical equation of condition more than one, then meet physical descriptor non-lit up in the physical equation of condition and be likely to be intermediate physical variable to be solved, now follow the steps below operation:
A. using these intermediate physical variablees all as intermediate physical variable to be confirmed；
B. an intermediate physical variable to be confirmed is randomly choosed；
C. in physical descriptor viewing area, click on the button that this intermediate physical variable to be confirmed selected is corresponding, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this intermediate physical variable to be confirmed in physical equation viewing area is luminous, and this intermediate physical variable to be confirmed in all formula relevant to this intermediate physical variable to be confirmed in physical equation viewing area is all lit；
That D. observes physical descriptor in physical equation viewing area lights situation, physical descriptor to be solved is comprised and physical equation that its physical descriptor being contained within all is lit if physical equation viewing area exists, the method for solving of physical descriptor to be solved then can be obtained according to this physical equation, prompting of solving a problem terminates, that the most again observes physical descriptor in physical equation viewing area lights situation, see and whether add the physical equation meeting condition " only one of which physical descriptor is non-lit up and does not comprise physical descriptor to be solved ", if had, physical descriptor non-lit up in the physical equation of increase is also served as intermediate physical variable to be confirmed；
E. from non-lit up residue intermediate physical to be confirmed variable, select an intermediate physical variable to be confirmed, return step C, go round and begin again, until prompting of solving a problem terminates.
30 physical descriptors are respectively as follows: voltage, series voltage 1, series voltage 2, shunt voltage 1, shunt voltage 2, electric current, series current 1, series current 2, parallel-current 1, parallel-current 2, resistance, series resistance 1, series resistance 2, parallel resistance 1, parallel resistance 2, electric work, series connection electric work 1, series connection electric work 2, electric work 1 in parallel, electric work 2 in parallel, electrical power, series electrical power 1, series electrical power 2, electrical power 1 in parallel, electrical power 2 in parallel, the quantity of electric charge, time, mechanical efficiency, useful work and extra power.
Compared with prior art, the solve a problem advantage of reminding method of junior middle school's electricity of the present invention is to realize, by junior middle school's electricity suggestion device of solving a problem, reminding method of solving a problem, electricity suggestion device of solving a problem in junior middle school's includes power supply, controller, physical descriptor viewing area and physical equation viewing area, and power supply and controller connect；Physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each physical descriptor display unit includes a button and is arranged on the LED at the button back side, button and LED are connected with controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, and each button represents a physical descriptor；Physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in topological structure is connected with controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit, in after course of solving questions, the button corresponding by each physical descriptor that operation is relevant to the meaning of the question realizes intuitively presenting of course of solving questions, thus display material understanding intuitively can inscribe thinking, the thinking that student can be autonomous is made to sum up, reach the purpose that student can be drawn inferences about other cases from one instance, reduce student's dependency to teacher, teacher can be coordinated to carry out physics to give lessons simultaneously, it is easy to Physical Education Teacher and carries out thinking guiding of solving a problem, improve Teaching Ability, sum up the skill selecting Desirable physical formula according to the meaning of the question, improve Physics Learning and teaching efficiency.
Accompanying drawing explanation
Fig. 1 is that junior middle school's electricity of the present invention is solved a problem the theory diagram of suggestion device；
Fig. 2 is that junior middle school's electricity of the present invention is solved a problem the regional distribution chart of suggestion device.
Detailed description of the invention
The invention discloses one junior middle school electricity to solve a problem suggestion device, be described in further detail below in conjunction with accompanying drawing embodiment junior middle school's electricity of the present invention solved a problem suggestion device.
Embodiment: as shown in the figure, a kind of junior middle school's electricity is solved a problem suggestion device, including power supply, on and off switch, controller, SR, physical descriptor viewing area and physical equation viewing area, power supply is connected with on and off switch and controller respectively, SR and controller connect, physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each physical descriptor display unit includes a button and is arranged on the LED at the button back side, button and LED are connected with controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, each button represents a physical descriptor；Physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in topological structure is connected with controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit.
In the present embodiment, 30 physical descriptors are respectively as follows: voltage, series voltage 1, series voltage 2, shunt voltage 1, shunt voltage 2, electric current, series current 1, series current 2, parallel-current 1, parallel-current 2, resistance, series resistance 1, series resistance 2, parallel resistance 1, parallel resistance 2, electric work, series connection electric work 1, series connection electric work 2, electric work 1 in parallel, electric work 2 in parallel, electrical power, series electrical power 1, series electrical power 2, electrical power 1 in parallel, electrical power 2 in parallel, the quantity of electric charge, time, mechanical efficiency, useful work and extra power.
In the present embodiment, pressing on and off switch, on and off switch closes, and power supply is started working, and provides running voltage to controller；After prompting of solving a problem terminates, press SR, control its drive all of LED extinguish, physics solve a problem suggestion device reply original state.
The invention also discloses one junior middle school electricity to solve a problem reminding method, be described in further detail below in conjunction with accompanying drawing embodiment junior middle school's electricity of the present invention solved a problem reminding method.
Embodiment: a kind of junior middle school's electricity is solved a problem reminding method, employing junior middle school electricity is solved a problem suggestion device, electricity suggestion device of solving a problem in junior middle school's includes power supply, on and off switch, controller, SR, physical descriptor viewing area and physical equation viewing area, power supply is connected with on and off switch and controller respectively, SR and controller connect, physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each physical descriptor display unit includes a button and is arranged on the LED at the button back side, button and LED are connected with controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, each button represents a physical descriptor；Physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in topological structure is connected with controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit；Specifically include following steps:
1. determining physical descriptor to be solved according to the meaning of the question, click on the button that the physical descriptor to be solved in physical descriptor viewing area is corresponding, this button produces signal and is sent to controller；
2. the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this physical descriptor to be solved in physical equation viewing area is luminous, now, the physical descriptor to be solved in all formula relevant to this physical descriptor to be solved in physical equation viewing area is lit, the physical equation that prompting student is relevant to variable to be solved；
3. all known physical descriptor be given in exercise question is found out according to the meaning of the question, and in physical descriptor viewing area, click on the button that known substance reason variable is corresponding successively, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this known physical descriptor in physical equation viewing area is luminous, after having operated, all known physical descriptor in all formula relevant to all known physical descriptors in physical equation viewing area is lit；
That 4. observes physical descriptor in physical equation viewing area lights situation, physical descriptor to be solved is comprised and physical equation that its physical descriptor being contained within all is lit if physical equation viewing area exists, the method for solving of physical descriptor to be solved then can be obtained according to this physical equation, prompting of solving a problem terminates, and otherwise enters the and 5. walks；
That 5. observes physical descriptor in physical equation viewing area lights situation, finds only one of which physical descriptor non-lit up and does not comprise all physical equations of physical descriptor to be solved:
If meeting the physical equation only one of which of condition, then this physical descriptor non-lit up in meeting the physical equation of condition is necessarily for intermediate physical variable the most to be solved, now follows the steps below operation:
A. this intermediate physical variable is obtained according to this equations；
B. in physical descriptor viewing area, click on the button that this intermediate physical variable is corresponding, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this intermediate physical variable in physical equation viewing area is luminous, now, this intermediate physical variable in relevant to this intermediate physical variable in physical equation viewing area all formula is all lit；
That c. observes physical descriptor in physical equation viewing area lights situation, in this case certainly exist one and comprise physical descriptor to be solved and physical equation that its physical descriptor being contained within all is lit, then can obtain the method for solving of physical descriptor to be solved according to this physical equation, prompting of solving a problem terminates；
If meeting the physical equation of condition more than one, then meet physical descriptor non-lit up in the physical equation of condition and be likely to be intermediate physical variable to be solved, now follow the steps below operation:
A. using these intermediate physical variablees all as intermediate physical variable to be confirmed；
B. an intermediate physical variable to be confirmed is randomly choosed；
C. in physical descriptor viewing area, click on the button that this intermediate physical variable to be confirmed selected is corresponding, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this intermediate physical variable to be confirmed in physical equation viewing area is luminous, and this intermediate physical variable to be confirmed in all formula relevant to this intermediate physical variable to be confirmed in physical equation viewing area is all lit；
That D. observes physical descriptor in physical equation viewing area lights situation, physical descriptor to be solved is comprised and physical equation that its physical descriptor being contained within all is lit if physical equation viewing area exists, the method for solving of physical descriptor to be solved then can be obtained according to this physical equation, prompting of solving a problem terminates, that the most again observes physical descriptor in physical equation viewing area lights situation, see and whether add the physical equation meeting condition " only one of which physical descriptor is non-lit up and does not comprise physical descriptor to be solved ", if had, physical descriptor non-lit up in the physical equation of increase is also served as intermediate physical variable to be confirmed；
E. from non-lit up residue intermediate physical to be confirmed variable, select an intermediate physical variable to be confirmed, return step C, go round and begin again, until prompting of solving a problem terminates.
In the present embodiment, 30 physical descriptors are respectively as follows: voltage, series voltage 1, series voltage 2, shunt voltage 1, shunt voltage 2, electric current, series current 1, series current 2, parallel-current 1, parallel-current 2, resistance, series resistance 1, series resistance 2, parallel resistance 1, parallel resistance 2, electric work, series connection electric work 1, series connection electric work 2, electric work 1 in parallel, electric work 2 in parallel, electrical power, series electrical power 1, series electrical power 2, electrical power 1 in parallel, electrical power 2 in parallel, the quantity of electric charge, time, mechanical efficiency, useful work and extra power.
In the present embodiment, pressing on and off switch, on and off switch closes, and power supply is started working, and provides running voltage to controller；After prompting of solving a problem terminates, press SR, control its drive all of LED extinguish, physics solve a problem suggestion device reply original state.
Claims (4)
1. junior middle school's electricity is solved a problem suggestion device, it is characterized in that including power supply, on and off switch, controller, SR, physical descriptor viewing area and physical equation viewing area, described power supply is connected with described on and off switch and described controller respectively, described SR and described controller connect, described physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each described physical descriptor display unit includes a button and is arranged on the LED at the described button back side, described button and described LED are connected with described controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, each button represents a physical descriptor；Described physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in described topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in described topological structure is connected with described controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit.
A kind of junior middle school's electricity the most according to claim 1 is solved a problem suggestion device, it is characterized in that 30 physical descriptors are respectively as follows: voltage, series voltage 1, series voltage 2, shunt voltage 1, shunt voltage 2, electric current, series current 1, series current 2, parallel-current 1, parallel-current 2, resistance, series resistance 1, series resistance 2, parallel resistance 1, parallel resistance 2, electric work, series connection electric work 1, series connection electric work 2, electric work 1 in parallel, electric work 2 in parallel, electrical power, series electrical power 1, series electrical power 2, electrical power 1 in parallel, electrical power 2 in parallel, the quantity of electric charge, time, mechanical efficiency, useful work and extra power.
3. junior middle school's electricity is solved a problem reminding method, it is characterized in that using junior middle school's electricity to solve a problem suggestion device, described junior middle school's electricity suggestion device of solving a problem includes power supply, on and off switch, controller, SR, physical descriptor viewing area and physical equation viewing area, described power supply is connected with described on and off switch and described controller respectively, described SR and described controller connect, described physical descriptor viewing area is formed by 30 physical descriptor display unit arrangements, each described physical descriptor display unit includes a button and is arranged on the LED at the described button back side, described button and described LED are connected with described controller respectively, button front in each physical descriptor display unit is labeled with different physical descriptor titles, each button represents a physical descriptor；Described physical equation viewing area is formed for the topological structure of electricity physical equation of all junior middle schools with the arrangement of arithmetical operation symbol by 30 physical descriptor display units, in described topological structure, physical descriptor display unit needs according to formula or occurs once or occur repeatedly, and each physical descriptor display unit in described topological structure is connected with described controller respectively；When pressing, in physical descriptor viewing area or physical equation viewing area, the button representing some physical descriptor, the LED at the button back side representing this physical descriptor in physical descriptor viewing area and physical equation viewing area is all lit；Specifically include following steps:
1. determining physical descriptor to be solved according to the meaning of the question, click on the button that the physical descriptor to be solved in physical descriptor viewing area is corresponding, this button produces signal and is sent to controller；
2. the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this physical descriptor to be solved in physical equation viewing area is luminous, now, the physical descriptor to be solved in all formula relevant to this physical descriptor to be solved in physical equation viewing area is lit, the physical equation that prompting student is relevant to variable to be solved；
3. all known physical descriptor be given in exercise question is found out according to the meaning of the question, and in physical descriptor viewing area, click on the button that known substance reason variable is corresponding successively, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this known physical descriptor in physical equation viewing area is luminous, after having operated, all known physical descriptor in all formula relevant to all known physical descriptors in physical equation viewing area is lit；
That 4. observes physical descriptor in physical equation viewing area lights situation, physical descriptor to be solved is comprised and physical equation that its physical descriptor being contained within all is lit if physical equation viewing area exists, the method for solving of physical descriptor to be solved then can be obtained according to this physical equation, prompting of solving a problem terminates, and otherwise enters the and 5. walks；
That 5. observes physical descriptor in physical equation viewing area lights situation, finds only one of which physical descriptor non-lit up and does not comprise all physical equations of physical descriptor to be solved:
If meeting the physical equation only one of which of condition, then this physical descriptor non-lit up in meeting the physical equation of condition is necessarily for intermediate physical variable the most to be solved, now follows the steps below operation:
A. this intermediate physical variable is obtained according to this equations；
B. in physical descriptor viewing area, click on the button that this intermediate physical variable is corresponding, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this intermediate physical variable in physical equation viewing area is luminous, now, this intermediate physical variable in relevant to this intermediate physical variable in physical equation viewing area all formula is all lit；
That c. observes physical descriptor in physical equation viewing area lights situation, in this case certainly exist one and comprise physical descriptor to be solved and physical equation that its physical descriptor being contained within all is lit, then can obtain the method for solving of physical descriptor to be solved according to this physical equation, prompting of solving a problem terminates；
If meeting the physical equation of condition more than one, then meet physical descriptor non-lit up in the physical equation of condition and be likely to be intermediate physical variable to be solved, now follow the steps below operation:
A. using these intermediate physical variablees all as intermediate physical variable to be confirmed；
B. an intermediate physical variable to be confirmed is randomly choosed；
C. in physical descriptor viewing area, click on the button that this intermediate physical variable to be confirmed selected is corresponding, this button produces signal and is sent to controller, the LED at all button back sides that controller driving physical descriptor viewing area is corresponding with this intermediate physical variable to be confirmed in physical equation viewing area is luminous, and this intermediate physical variable to be confirmed in all formula relevant to this intermediate physical variable to be confirmed in physical equation viewing area is all lit；
That D. observes physical descriptor in physical equation viewing area lights situation, physical descriptor to be solved is comprised and physical equation that its physical descriptor being contained within all is lit if physical equation viewing area exists, the method for solving of physical descriptor to be solved then can be obtained according to this physical equation, prompting of solving a problem terminates, that the most again observes physical descriptor in physical equation viewing area lights situation, see and whether add the physical equation meeting condition " only one of which physical descriptor is non-lit up and does not comprise physical descriptor to be solved ", if had, physical descriptor non-lit up in the physical equation of increase is also served as intermediate physical variable to be confirmed；
E. from non-lit up residue intermediate physical to be confirmed variable, select an intermediate physical variable to be confirmed, return step C, go round and begin again, until prompting of solving a problem terminates.
A kind of junior middle school's electricity the most according to claim 3 is solved a problem reminding method, it is characterized in that 30 physical descriptors are respectively as follows: voltage, series voltage 1, series voltage 2, shunt voltage 1, shunt voltage 2, electric current, series current 1, series current 2, parallel-current 1, parallel-current 2, resistance, series resistance 1, series resistance 2, parallel resistance 1, parallel resistance 2, electric work, series connection electric work 1, series connection electric work 2, electric work 1 in parallel, electric work 2 in parallel, electrical power, series electrical power 1, series electrical power 2, electrical power 1 in parallel, electrical power 2 in parallel, the quantity of electric charge, time, mechanical efficiency, useful work and extra power.
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|---|---|---|---|---|
| CN107862928A (en) * | 2017-11-27 | 2018-03-30 | 许馨儿 | A kind of junior middle school's electricity is solved a problem suggestion device and method |
| CN111738198A (en) * | 2020-06-30 | 2020-10-02 | 上海松鼠课堂人工智能科技有限公司 | Intelligent rapid calculation system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107862928A (en) * | 2017-11-27 | 2018-03-30 | 许馨儿 | A kind of junior middle school's electricity is solved a problem suggestion device and method |
| CN111738198A (en) * | 2020-06-30 | 2020-10-02 | 上海松鼠课堂人工智能科技有限公司 | Intelligent rapid calculation system and method |
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| Publication number | Publication date |
|---|---|
| CN105825722B (en) | 2018-05-18 |
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