Current-carrying solenoid magnetism presentation device

A technology of solenoids and energized solenoids, applied in the field of current-carrying solenoid magnetic demonstration devices, can solve the problems of lack of demonstration devices, etc., and achieve the effect of practical convenience and simple structure

Inactive Publication Date: 2014-08-20
陈健
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

According to the above rules, there can be mutual attraction or mutual repulsion between the energized s

Method used

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  • Current-carrying solenoid magnetism presentation device

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Embodiment Construction

[0010] Such as figure 1 As shown, the present invention comprises a first solenoid 1, a first rail car 2, a second solenoid 4, a second rail car 5, a guide rail 7, a power supply 8, a first reversing switch 9, and a second reversing switch 10. The first solenoid 1 is fixed on the first rail car 2 along the body length direction of the first rail car 2, and the second solenoid 4 is fixed on the second rail car 5 along the body length direction of the second rail car 5, The first rail car 2 and the second rail car 5 are all placed on the smooth guide rail 7 placed horizontally and separated by a short distance, the opening ends of the first solenoid 1 and the second solenoid 4 are opposite; the first solenoid 1 is electrically connected to the first reversing switch 9 and the power supply 8 in turn through wires, and the second solenoid 4 is electrically connected to the second reversing switch 10 and power supply 8 in turn through wires; the power supply 8 is a DC adjustable vo...

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Abstract

The invention discloses a current-carrying solenoid magnetism presentation device which comprises a first solenoid, a first rail car, a second solenoid, a second rail car, a guide rail, a power supply, a first reversing switch and a second reversing switch. The first solenoid and the second solenoid are fixed to the first rail car and the second rail car respectively in the car body length directions of the first rail car and the second rail car, the first rail car and the second rail car are arranged on the horizontally-arranged smooth guide rail, the first solenoid is connected with the first reversing switch and the power supply in sequence, and the second solenoid is connected with the second reversing switch and the power supply in sequence. The current-carrying solenoid magnetism presentation device is beneficial to study of the magnetic interaction of the energized solenoids, and verification of the rule of the solenoid magnetic field.

Description

technical field [0001] The invention relates to an electromagnetic demonstration device, in particular to a current-carrying solenoid magnetic demonstration device. Background technique [0002] The knowledge of electromagnetism shows that the energized solenoid has magnetism, and the energized solenoid can be equivalent to a bar-shaped magnet to the outside, and its two ends are equivalent to the N pole and S pole of the bar magnet, which can be judged by the right-hand spiral rule: Hold the solenoid with the right hand, let the four fingers bend to the direction of the current in the solenoid, then the end pointed by the thumb is the N pole of the solenoid. In addition, magnetic poles with the same name repel each other, and magnetic poles with different names attract each other. According to the above rules, there may be a phenomenon of mutual attraction or mutual repulsion between the electrified solenoid and the electrified solenoid, but there is currently a lack of co...

Claims

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Application Information

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IPC IPC(8): G09B23/18
Inventor 陈健
Owner 陈健
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