Magnetic field demonstration device

Abstract

The utility model discloses a magnetic field demonstration device, comprising a housing, a side surface of the housing is provided with a ventilation opening, the magnetic field demonstration device also comprises a separator plate, the separator plate is fixedly installed on an inner wall surface of the housing, an upper surface of the separator plate is fixedly provided with an electronic assembly, and an upper surface of the electronic assembly is connected with a connecting plate. A heat dissipation structure is arranged in the shell, the heat dissipation structure can rapidly dissipate heat of the electronic assembly through cooperation of a heat dissipation fin plate and a communicating pipe, the heat dissipation structure comprises the heat dissipation fin plate, the upper end of the heat dissipation fin plate makes contact with the lower surface of the electronic assembly, and the lower end of the heat dissipation fin plate is installed on the bottom surface of the inner wall of the shell. The magnetic field demonstration device is provided with a heat dissipation structure, the lower surface of an electronic assembly is cooled through a heat dissipation fin plate, a fan blows air flow to pass through the heat dissipation fin plate, so that heat dissipation is faster, the magnetic field demonstration device is further provided with a clamping structure, an air bag is pressed through a protection cover, the air flow enters a piston to push a clamping block, and clamping of a rotating plate and the clamping block is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of iron particle control display, in particular to a magnetic field demonstration device. Background Art

[0002] The magnetic field demonstration exhibit is composed of a connecting plate and iron powder. When the power is turned on, the iron powder turns into small magnets in the magnetic field generated by the connecting plate, forming a spike-like shape. When the magnitude and direction of the current in the connecting plate coil changes with the music, the magnetic field generated also changes accordingly. Therefore, these iron particles move to the beat of the music under the action of the dynamically changing magnetic field. The exhibit shows the principles of the magnetic field and magnetic lines of force of a magnet. There is a magnetic field around the magnet. This exhibit is composed of many iron powders and connecting plates. When the power is turned on, the iron particles will dance to the music, which is fascinating.

[0003] The dance of the iron particles controls the magnet to dance through the magnetic field of the connecting plate, which causes the internal heat to increase. If the heat is not dissipated in time, the temperature will be too high and affect the control effect of the magnet. The heating of the circuit will reduce the service life of the device and affect the display effect. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetic field demonstration device to solve the problem in the above background technology that the internal heat will increase and affect the display effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a magnetic field demonstration device, comprising a shell, a side surface of the shell is provided with a vent, and also comprises a partition, the partition is fixedly installed on the inner wall surface of the shell, an electronic component is fixedly installed on the upper surface of the partition, and the upper surface of the electronic component is connected to a connecting plate, and a heat dissipation structure is provided inside the shell, and the heat dissipation structure can quickly dissipate heat from the electronic component through the heat dissipation fin plate and the connecting pipe.

[0006] Preferably, the heat dissipation structure includes a heat dissipation fin, the upper end of the heat dissipation fin is in contact with the lower surface of the electronic component, and the lower end of the heat dissipation fin is installed on the bottom surface of the inner wall of the outer shell, two coolant tanks are fixedly installed on the bottom surface of the inner wall of the outer shell 1, and the upper surface of the coolant tank is connected with a connecting pipe, and the connecting pipe passes through the partition and is installed on the outer surface of the electronic component, a motor is installed on the inner wall side surface of the outer shell, and a fan is fixedly connected to the rotating shaft of the motor, and the fan corresponds to the heat dissipation fin.

[0007] By adopting the above technical solution, the lower surface of the electronic component is cooled by the heat dissipation fins, and the outer surface of the electronic component is cooled by the connecting pipe, so that the heat dissipation effect is better.

[0008] Preferably, the partition is provided with a slot, and the slot corresponds to the heat dissipation fin.

[0009] The above technical solution is adopted to facilitate the contact between the heat dissipation fin plate and the lower surface of the electronic component.

[0010] Preferably, the connecting pipe is configured as a bent pipe structure.

[0011] By adopting the above technical solution, the coolant can fully contact the electronic components through the connecting pipe to dissipate heat.

[0012] Preferably, a snap-fit ​​structure is provided on the upper surface of the shell, and the snap-fit ​​structure can press the airbag through the lower end of the protective cover so that the rotating plate is snap-fitted with the clamping block.

[0013] The adoption of the technical solution facilitates the disassembly and assembly of the protective cover.

[0014] Preferably, the locking structure includes a rotating plate, the upper surface of the shell is provided with a groove, the groove is opposite to the lower end of the protective cover, the inner wall side surface of the groove on the upper surface of the shell is rotatably connected with the rotating plate, the lower surface of the groove of the shell is fixedly installed with an airbag, the airbag is through-connected with an air pipe, the other end of the air pipe is through-connected with a piston, the piston is fixedly installed on the upper surface of the inner wall of the interlayer on the upper surface of the shell, and the front end of the piston is fixedly connected with a clamping block.

[0015] By adopting the above technical solution, the protective cover is fixed by engaging the rotating plate with the clamping block.

[0016] Preferably, a card slot is provided on the upper surface of the card block, and the card slot corresponds to the protrusion on the lower surface of the rotating plate.

[0017] The above technical solution is adopted to facilitate the protrusion to enter the slot for engagement.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the magnetic field demonstration device:

[0019] 1. The magnetic field demonstration device is provided with a heat dissipation structure. When in use, the heat on the lower surface of the electronic component is firstly conducted through the heat dissipation fin plate. At the same time, the motor installed on the inner wall side surface of the shell will be turned on, so that the motor drives the fan to rotate, and then the fan will blow the airflow through the heat dissipation fin plate to assist in heat dissipation of the heat dissipation fin plate;

[0020] 2. Furthermore, a connecting pipe is installed on the outer surface of the electronic component. The connecting pipe is set to a bent pipe structure, and one end of the connecting pipe is connected to a coolant tank, so that the coolant flows through the connecting pipe and contacts the outer surface of the electronic component, so as to quickly cool the electronic component and avoid excessive temperature of the electronic component;

[0021] 3. Furthermore, a snap-fit ​​structure is provided, and the lower end of the protective cover is embedded in the groove on the upper surface of the shell, so that the lower end of the protective cover presses the airbag, and the airflow in the airbag enters the piston through the air pipe, so that the piston pushes the block to reach the upper surface of the protrusion of the protective cover, and then the rotating plate is rotated so that the protrusion of the rotating plate is engaged with the groove on the upper surface of the block, so that the protective cover is installed, and the installation operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the shaft side surface structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front section structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the side section structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0026] Figure 5 This is a schematic diagram of the front cross-sectional structure of the utility model when viewed from above;

[0027] Figure 6 It is a front sectional structural schematic diagram of the clamping block of the utility model.

[0028] In the figure: 1. outer shell; 2. protective cover; 3. vent; 4. electronic component; 5. connecting plate; 6. partition; 7. heat dissipation fin; 8. coolant tank; 9. connecting pipe; 10. motor; 11. fan; 12. rotating plate; 13. air bag; 14. block; 15. air pipe; 16. piston. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6 The utility model provides a technical solution: a magnetic field demonstration device, including a shell 1, a protective cover 2, a vent 3, an electronic component 4, a connecting plate 5, a partition 6, a heat dissipation fin plate 7, a coolant tank 8, a connecting pipe 9, a motor 10, a fan 11, a rotating plate 12, an air bag 13, a block 14, an air pipe 15, and a piston 16.

[0031] Example 1

[0032] The magnetic field demonstration device is provided with a heat dissipation structure, which can quickly dissipate heat from the electronic component 4 through the cooperation of the heat dissipation fin plate 7 and the connecting pipe 9, specifically:

[0033] The side surface of the shell 1 is provided with a vent 3, and also includes a partition 6, which is fixedly installed on the inner wall surface of the shell 1, and an electronic component 4 is fixedly installed on the upper surface of the partition 6, and the upper surface of the electronic component 4 is connected with a connecting plate 5, and a heat dissipation structure is provided inside the shell 1, and the heat dissipation structure can quickly dissipate heat from the electronic component 4 through the heat dissipation fin plate 7 and the connecting pipe 9, and the heat dissipation structure includes the heat dissipation fin plate 7, the upper end of the heat dissipation fin plate 7 is in contact with the lower surface of the electronic component 4, and the lower end of the heat dissipation fin plate 7 is installed on the inner wall bottom surface of the shell 1, and two coolant tanks 8 are fixedly installed on the inner wall bottom surface of the shell 1, and the upper surface of the coolant tank 8 is connected with a connecting pipe 9, and the connecting pipe 9 penetrates the partition 6 and is installed on the outer surface of the electronic component 4, and a motor 10 is installed on the inner wall side surface of the shell 1, and the rotating shaft of the motor 10 is fixedly connected with a fan 11, and the fan 11 corresponds to the heat dissipation fin plate 7, and the partition 6 is provided with a slot, and the slot corresponds to the heat dissipation fin plate 7, and the connecting pipe 9 is set as a bent pipe structure;

[0034] When the magnetic field demonstration device is displayed, first, Figure 1 As shown, iron particles are placed on the upper surface of the shell 1, and the iron particles are covered by a transparent protective cover 2, as shown in FIG. Figure 3 As shown, the electronic component 4 is powered on, and then the electronic component 4 will control the electromagnet on the upper surface of the connecting plate 5 to generate magnetic force. The magnetic field controlled by the electromagnet can move the iron particles placed on the upper surface of the housing 1. At this time, the heat of the electronic component 4 increases, and the heat dissipation fin plate 7 installed on the lower surface of the electronic component 4 will dissipate the heat of the electronic component 4, as shown in FIG. Figure 4 As shown, a motor 10 is installed on the inner wall side surface of the housing 1, so that the motor 10 is turned on, and then the motor 10 will drive the fan 11 to rotate, so that the fan 11 blows the airflow through the heat dissipation fins 7, and then discharges the airflow through the vents 3 on the other side of the housing 1, so that the heat dissipation speed of the heat dissipation fins 7 to the electronic components 4 is faster. At the same time, a coolant tank 8 is also installed on the bottom surface of the housing 1. Figure 3 As shown, one end of the connecting pipe 9 is connected with the upper surface of the coolant tank 8, so that the coolant in the coolant tank 8 is sucked into the connecting pipe 9 by the water pump, and the connecting pipe 9 is configured as a curved pipe installed on the outer surface of the electronic component 4, so that the electronic component 4 is in full contact with the connecting pipe 9, so that the coolant can quickly cool down the electronic component 4, and the electronic component 4 can quickly dissipate heat through the heat dissipation fins 7 and the connecting pipe 9, so that the display effect will not be affected. Finally, the coolant returns to the coolant tank 8 after cooling down to dissipate heat naturally.

[0035] Example 2

[0036] The magnetic field demonstration device is also provided with a snap-fit ​​structure, and the quick disassembly and assembly of the protective cover 2 can be controlled by snapping the snap block 14 with the rotating plate 12, specifically:

[0037] The upper surface of the shell 1 is provided with a snap-fit ​​structure, which can press the airbag 13 through the lower end of the protective cover 2 so that the rotating plate 12 is snapped with the block 14. The snap-fit ​​structure includes the rotating plate 12, the upper surface of the shell 1 is provided with a groove, the groove is opposite to the lower end of the protective cover 2, the inner wall side surface of the groove on the upper surface of the shell 1 is rotatably connected with the rotating plate 12, the lower surface of the groove of the shell 1 is fixedly installed with the airbag 13, the airbag 13 is connected with the air pipe 15, the other end of the air pipe 15 is connected with the piston 16, the piston 16 is fixedly installed on the upper surface of the inner wall of the interlayer on the upper surface of the shell 1, and the front end of the piston 16 is fixedly connected with the block 14, the upper surface of the block 14 is provided with a groove, and the groove corresponds to the convex block on the lower surface of the rotating plate 12;

[0038] When the surface protection cover 2 is installed on the housing 1, Figure 1 As shown, first, the rotating plate 12 is rotated upward so that the lower end of the protective cover 2 is embedded in the groove on the upper surface of the housing 1, as shown in FIG. Figure 6 As shown, the squatting of the protective cover 2 will squeeze the airbag 13 downwards. Since the other end of the air pipe 15 connected to the airbag 13 is connected to the piston 16, the airflow in the airbag 13 will enter the piston 16 through the air pipe 15, and then the push rod of the piston 16 will push the block 14 to move above the convex plate at the lower end of the shell 1, and then the rotating plate 12 will be rotated so that the convex block on the lower surface of the rotating plate 12 is embedded in the groove. The groove and the convex block are both set to an L-shaped structure, and then the protective cover 2 is released, so that the airbag 13 rebounds naturally, and the airbag 13 will absorb a part of the airflow, so that the piston 16 drives the block 14 to retract, and then the convex block on the lower surface of the rotating plate 12 is completely engaged with the groove of the block 14. The installation is simple and quick. When disassembling, the protective cover 2 is pressed downward, so that the piston 16 can drive the block 14 to move and lose the engagement with the convex block on the lower surface of the rotating plate 12, and then the rotating plate 12 is rotated upward to remove the protective cover 2.

[0039] Working principle: When using the magnetic field demonstration device, a heat dissipation structure is provided, which can enable the fan 11 to blow the heat dissipation fins 7 to quickly dissipate heat while the heat dissipation fins 7 are facing the electronic components 4. A locking structure is also provided, which can press the air bag 13 at the lower end of the protective cover 2 to move the locking block 14, and then rotate the rotating plate 12 to engage with the locking block 14, thereby increasing the overall practicality.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A magnetic field demonstration device, comprising a housing (1), a side surface of the housing (1) being provided with a vent (3), characterized in that: It also includes a partition (6), the partition (6) is fixedly mounted on the inner wall surface of the outer shell (1), an electronic component (4) is fixedly mounted on the upper surface of the partition (6), and the upper surface of the electronic component (4) is connected to a connecting plate (5), and a heat dissipation structure is arranged inside the outer shell (1), and the heat dissipation structure can quickly dissipate heat from the electronic component (4) through a heat dissipation fin plate (7) in conjunction with a connecting pipe (9).

2. A magnetic field demonstration device according to claim 1, characterized in that: The heat dissipation structure comprises a heat dissipation fin plate (7), the upper end of the heat dissipation fin plate (7) contacts the lower surface of the electronic component (4), and the lower end of the heat dissipation fin plate (7) is installed on the bottom surface of the inner wall of the shell (1), two coolant tanks (8) are fixedly installed on the bottom surface of the inner wall of the shell (1), the upper surface of the coolant tank (8) is connected with a connecting pipe (9), and the connecting pipe (9) passes through the partition (6) and is installed on the outer surface of the electronic component (4), the inner wall side surface of the shell (1) is installed with a motor (10), and the rotating shaft of the motor (10) is fixedly connected with a fan (11), and the fan (11) corresponds to the heat dissipation fin plate (7).

3. A magnetic field demonstration device according to claim 1, characterized in that: The partition plate (6) is provided with a slot, and the slot corresponds to the heat dissipation fin plate (7).

4. A magnetic field demonstration device according to claim 2, characterized in that: The connecting pipe (9) is configured as a bent pipe structure.

5. A magnetic field demonstration device according to claim 2, characterized in that: The upper surface of the housing (1) is provided with a snap-fit ​​structure, and the snap-fit ​​structure can press the airbag (13) through the lower end of the protective cover (2) so that the rotating plate (12) and the snap block (14) are snap-fitted.

6. A magnetic field demonstration device according to claim 5, characterized in that: The engaging structure comprises a rotating plate (12), the upper surface of the housing (1) is provided with a groove, the groove is opposite to the lower end of the protective cover (2), the inner wall side surface of the groove on the upper surface of the housing (1) is rotatably connected to the rotating plate (12), the lower surface of the groove of the housing (1) is fixedly mounted with an air bag (13), the air bag (13) is connected through an air pipe (15), the other end of the air pipe (15) is connected through a piston (16), the piston (16) is fixedly mounted on the upper surface of the inner wall of the interlayer on the upper surface of the housing (1), and the front end of the piston (16) is fixedly connected with a clamping block (14).

7. A magnetic field demonstration device according to claim 6, characterized in that: The upper surface of the clamping block (14) is provided with a clamping groove, which corresponds to the protrusion on the lower surface of the rotating plate (12).

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