CN219626177U - Teaching aid for physical teaching - Google Patents

Abstract

The utility model relates to the technical field of teaching aids, and particularly discloses a teaching aid for physical teaching, which comprises a display lamp panel, wherein four luminous lamp beads are fixed on the display lamp panel through detachable connection, the four luminous lamp beads are electrically connected with a universal circuit board in a control box, a circuit diagram is printed on the universal circuit board, and six electromagnetic relays, four first wiring plugs, a power jack, four current-limiting diodes, a power switch and four second wiring connectors are fixed on the universal circuit board through detachable connection. The beneficial effects are that: the electronic components are simple and connected, so that students can operate the electronic components by hands in the teaching process conveniently, the function of the electronic components is known in the operation process, and the test gap in the aspects of semiconductors and electromagnetics in the junior middle school is filled; on knowledge cognition, the knowledge of physical subject of the junior middle school is fastened, and the knowledge accords with the four-dimensional physical learning of the junior middle school student, and is popular and easy to understand.

Description

Teaching aid for physical teaching

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a teaching aid for physical teaching.

Background

The teaching aid is used for explaining models, objects, specimens, instruments, charts, slides and the like for explaining something, and comprises teaching equipment, teaching instruments, practical training equipment, educational equipment, experimental equipment, teaching specimens, teaching models and the like.

The results of the educational psychology show that students must first convert the observation and contact of specific things into perceptual knowledge irrelevant to the specific things by means of feeling in the initial stage of knowledge formation, and then convert the perceptual knowledge into abstract and generalized rational knowledge. The teaching aid is used as a teaching aid for teachers, has the irreplaceable effect of other means, enables students to understand teaching contents more intuitively and vividly, can mobilize learning enthusiasm of the students, improves learning interest of the students, enriches perceptual cognition of the students, helps the students form clear concepts, and simultaneously cultures observation capability and abstract thinking capability of the students.

In junior middle school physics teaching, use the teaching aid rationally, be the important way of improving the teaching quality. The student is placed in the position of the main body, the process and the causes of the student thinking inspiring are grasped, a wide thinking space and an intelligent background are created, as many opportunities of demonstration, operation and test are provided for the student, the multidirectional thinking and reverse thinking ability of the student are cultivated, and the thinking ability and the creativity of the student are developed to a great extent.

In the physical teaching process of junior middle school, the teaching of semiconductors and electromagnetics is generally introduced through characters and illustration on textbooks, students have limited understanding capability on the characteristics and working principles of electronic elements such as diodes and electromagnetic relays, and the teaching aid is lacking to improve the cognitive ability of the students on the knowledge.

Disclosure of Invention

The utility model provides a teaching aid for physical teaching in order to solve the problems.

The technical scheme of the utility model is realized as follows:

the utility model provides a teaching aid for physical teaching, includes the display lamp board, be fixed with four luminous lamp pearls through dismantling the connection on the display lamp board, four luminous lamp pearls are connected with the inside universal circuit board electricity of control box, the printing has the circuit diagram on the universal circuit board, be fixed with six electromagnetic relays, four first wiring plugs, a power jack, four current-limiting diode, a switch and four second wiring connectors, a four color ring resistance, an pilot lamp through dismantling the connection on the universal circuit board, four first wiring plugs and four the control box electricity is connected, four the second wiring connectors are connected with four control switches through four female public plugs electricity respectively, control switch fixes on the operation terminal through dismantling the connection, control box one side be provided with the power adapter that the power jack pegged graft together.

Further, the lower end of the display lamp panel is fixedly provided with a supporting seat, and the supporting seat comprises a base and a height-adjustable supporting rod.

Further, the light-emitting lamp beads are light-emitting diodes, the light-emitting colors of the four light-emitting lamp beads are different, and the colors of the four control switches correspond to the light-emitting colors of the four light-emitting lamp beads respectively.

Further, the control box comprises two box bodies which can be buckled together up and down, and the universal circuit board is fixed in the control box through a clamping groove.

By adopting the technical scheme, the utility model has the beneficial effects that: the electronic components are simple and connected, so that students can operate the electronic components by hands in the teaching process conveniently, the function of the electronic components is known in the operation process, and the test gap in the aspects of semiconductors and electromagnetics in the junior middle school is filled; on knowledge cognition, the knowledge of physical subject of the junior middle school is fastened, and the knowledge accords with the four-dimensional physical learning of the junior middle school student, and is popular and easy to understand; the study ability of students is cultivated by stimulating the interests and the study desire of the students to learn physics through experimental practices.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the circuit board of the present utility model after installation;

fig. 3 is a block diagram of the circuit configuration of the present utility model.

The reference numerals are explained as follows:

1. a display lamp panel; 2. a light emitting lamp bead; 3. a support base; 4. a control box; 41. a universal circuit board; 42. an electromagnetic relay; 43. a first wiring plug; 44. a power jack; 45. a current limiting diode; 46. a power switch; 47. a second wire connection; 48. a four-color ring resistor; 49. an indicator light; 5. an operation terminal; 6. a control switch; 7. a female male plug; 8. a power adapter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown IN fig. 1-3, a teaching aid for physical teaching includes a display lamp board 1, four light-emitting lamp beads 2 are fixed on the display lamp board 1 through detachable connection, and are used for emitting light after being electrified, four the light-emitting lamp beads 2 are electrically connected with a universal circuit board 41 inside a control box 4, a circuit diagram is printed on the universal circuit board 41, six electromagnetic relays 42, four first wiring plugs 43, a power jack 44, four current-limiting diodes 45, a power switch 46 and four second wiring connectors 47, a four color ring resistor 48, an indicator lamp 49 are fixed on the universal circuit board 41 through detachable connection, the electromagnetic relays 42 are three-switch three-way relays, the type of the current-limiting diodes 45 is IN4001, the resistance of the four color rings 48 is 333KΩ, the indicator lamp 4 is used for on-off of a display circuit, four the first wiring plugs 43 are electrically connected with four control boxes 4, four second wiring plugs 47 are electrically connected with four control switches 6 through four female plugs 7 respectively, the four second wiring plugs 47 are connected with a power adapter 8 through four female plugs 6, and the power adapter is detachably connected with the power adapter 8, and the power adapter is connected with one side of the power adapter 8 through the power adapter 8.

In this embodiment, the lower end of the display lamp panel 1 is fixed with a supporting seat 3, and the supporting seat 3 includes a base and a height-adjustable supporting rod.

In this embodiment, the light-emitting lamp beads 2 are light-emitting diodes, the light-emitting colors of the four light-emitting lamp beads 2 are different, and the colors of the four control switches 6 correspond to the light-emitting colors of the four light-emitting lamp beads 2 respectively.

In this embodiment, the control box 4 includes two box bodies that can be fastened together up and down, and the universal circuit board 41 is fixed in the control box 4 through a clamping slot.

The working principle of the utility model is as follows: when teaching, a teacher explains the working principles of the diode, the resistor and the electromagnetic relay 42 through the teaching aid, meanwhile, instructs students to install and require corresponding electronic elements to be inserted into corresponding jacks on the universal circuit board 41 and toggle pins to enable the electronic elements to be in contact with a circuit diagram, then places the qualified circuit board into the control box 4, connects the luminous lamp beads 2 with the control box 4 and the control switch 6 with corresponding connectors or jacks respectively, inserts the supporting seat 3 on the power plugboard, judges whether connected wires are correct by pressing the control switch 6, and assembles a four-way answering machine when all routes are connected correctly, and the students answer the problem of the teacher by pressing the control switch 6 corresponding to the answering machine.

The circuit connection related to the utility model is a conventional means adopted by the person skilled in the art, can obtain technical teaching through limited tests, and belongs to the widely used prior art.

The components not described in detail herein are prior art.

The teaching aid device is provided with four paths of control switches K1-K4 for respectively controlling four lamps with different colors, after the power switch 46 is closed, each path of control switch can be connected with the corresponding two groups of coil currents of the electromagnetic relays 42 in parallel when being closed, the lamp is on, and meanwhile, the coil currents of the other three groups of electromagnetic relays 42 are disconnected, so that the other three groups of lamps cannot work, and the teaching aid device is a principle that the electromagnetic relays are interlocked preferentially.

The specific principle is as follows:

(1) If the K1-way switch is closed firstly, the armature of the electromagnetic relay (1) and the armature of the electromagnetic relay (6) are attracted, and the lamp (1) is lighted; (2) the coil circuits of the relays (3), (4) and (5) are disconnected, and the lamps (2, 3 and 4) are not lighted.

(2) If the K2-way switch is closed firstly, the armature of the electromagnetic relay No. 2 (6) is attracted, and the lamp No. 2 is lighted; (1) the coil circuits of the relays (3), (4) and (5) are disconnected, and the lamps (1, 3 and 4) are not lighted.

(3) If the K3-way switch is closed firstly, the armature of the electromagnetic relay (3) and the armature of the electromagnetic relay (5) are attracted, and the lamp (3) is lighted; (1) the coil circuits of the relays (2), (4) and (6) are disconnected, and the lamps (1, 2 and 4) are not lighted.

(4) If the K4-way switch is closed firstly, the armature of the electromagnetic relay (4) and the armature of the electromagnetic relay (5) are attracted, and the lamp (4) is lighted; (1) the coil circuits of the relays (2), (3) and (6) are disconnected, and the lamps (1, 2 and 3) are not lighted.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. A teaching aid for physical teaching, characterized in that: including showing lamp plate (1), be fixed with four luminous lamp pearl (2) through dismantling the connection on showing lamp plate (1), four luminous lamp pearl (2) are connected with the inside universal circuit board (41) electricity of control box (4), it has the circuit diagram to print on universal circuit board (41), be fixed with six electromagnetic relay (42) through dismantling the connection on universal circuit board (41), four first wiring plugs (43), one power jack (44), four current-limiting diode (45), one switch (46) and four second wiring connectors (47), one four color ring resistance (48), one pilot lamp (49), four first wiring plugs (43) are connected with four control box (4) electricity, four second wiring connectors (47) are connected with four control switch (6) through four female public plug (7) electricity respectively, control switch (6) are fixed on operation terminal (5) through dismantling the connection, control box (4) one side be provided with power adapter (8) together.

2. A teaching aid for physics teaching according to claim 1 and characterised in that: the display lamp panel (1) lower extreme is fixed with supporting seat (3), supporting seat (3) include base and height-adjustable bracing piece.

3. A teaching aid for physics teaching according to claim 1 and characterised in that: the light-emitting lamp beads (2) are light-emitting diodes, the light-emitting colors of the four light-emitting lamp beads (2) are different, and the colors of the four control switches (6) respectively correspond to the light-emitting colors of the four light-emitting lamp beads (2).

4. A teaching aid for physics teaching according to claim 1 and characterised in that: the control box (4) comprises two box bodies which can be buckled together up and down, and the universal circuit board (41) is fixed in the control box (4) through a clamping groove.