CN213279520U

CN213279520U - Magnetic attraction type suspension device with direct current power supply

Info

Publication number: CN213279520U
Application number: CN202021658442.2U
Authority: CN
Inventors: 刘明华
Original assignee: Dongguan Lili Toys Co ltd
Current assignee: Dongguan Lili Toys Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-25
Anticipated expiration: 2030-08-11

Abstract

The invention provides a magnetic attraction type suspension device with direct current power supply, which comprises a direct current power supply device, a lower suspension body, an electromagnet, a sensor, a control circuit and a bracket, wherein the direct current power supply device, the sensor, the electromagnet and the control circuit are arranged on the bracket, and the lower suspension body is internally provided with a permanent magnet. The device comprehensively utilizes technical principles of opposite attraction of magnetic fields, object detection, direct current boosting and the like, and realizes functions and characteristics of intelligent detection of suspended matters, accurate hovering in the air, convenient deployment and movement and the like.

Description

Magnetic attraction type suspension device with direct current power supply

Technical Field

The invention relates to the field of electromagnetism, in particular to a magnetic attraction type suspension device with direct current power supply.

Background

The magnetic levitation devices currently on the market are mainly magnetic repulsion type levitation devices, and there are few magnetic attraction levitation devices, such as CN1729614B, CN100544183C, and CN 204993114U.

CN1729614B discloses a base comprising one or two sets of symmetrically arranged magnets to form a horizontal single-axis control magnetic field, and optionally a peripheral ring magnet with same-direction magnetic property is added to enhance the anti-rollover capability. Such a base structure is relatively complex and unstable in suspension.

The base disclosed in CN100544183C comprises a single ring magnet to form a horizontal biaxial control magnetic field and at the same time form sufficient rollover prevention capability. Although the base has a simple structure and is stable in suspension, the suspension height is not ideal.

CN204993114U discloses a base comprising a ring magnet and a cylindrical magnet arranged in the center of the ring magnet to have opposite magnetic properties. Such a base, while taking into account the levitation height, creates a space barrier for the placement of level control mechanisms, such as electromagnets.

The product on the market generally is large-scale at present, combines together through electro-magnet and permanent magnet, realizes the suspension of top object, realizes that below magnetism is inhaled type object suspension less, and generally need with the help of the AC power supply network, and is high to the position of putting requirement, inconvenient removal. The invention provides a magnetic attraction type suspension device with direct current power supply.

Disclosure of Invention

The invention provides a magnetic attraction type suspension device with direct current power supply, which comprises a direct current power supply device, a lower suspension body, an electromagnet, a sensor, a control circuit and a bracket, wherein the sensor and the electromagnet are arranged on the bracket, and the lower suspension body is internally provided with a permanent magnet.

The direction of an electromagnetic field generated by the electrified electromagnet is opposite to that of a magnetic field of a permanent magnet arranged in a suspended matter below, and the two magnetic fields attract each other in opposite directions to generate magnetic attraction; under the condition of proper distance and position, the magnetic attraction force borne by the suspended matters below is equal to the self gravity, and hovering is generated; the suspended matter below is subjected to precise structural design, so that the gravity line of the suspended matter is vertical to the direction of a magnetic field, and the suspended matter is effectively suspended; when the suspended matter detection sensor detects that an object is below the suspended matter detection sensor, an electromagnet electrifying instruction is sent out through the circuit board; after the electromagnet coil is electrified, a magnetic field is generated, an iron core in the coil is magnetized, and an electromagnetic field with the downward magnetic field direction is generated; the direction of an electromagnetic field generated by the electrified electromagnet is opposite to that of a magnetic field of a permanent magnet arranged in a suspended matter below, and the two opposite poles attract each other to generate magnetic attraction; under the condition of proper distance and position, the magnetic attraction force borne by the suspended matters below is equal to the self gravity, and hovering is generated; the suspended matter below is subjected to precise structural design, so that the gravity line of the suspended matter is perpendicular to the direction of a magnetic field, and the suspended matter is effectively suspended.

Furthermore, the direct current power supply device and the control circuit are arranged on the bracket in an internal mode or arranged outside the bracket in an external mode.

Further, the electromagnet is one or more, and contains iron chip and coil.

Further, the support is a fixed support or a movable support.

Further, the dc power supply device is a mobile power supply, preferably a common 5V mobile power supply.

Furthermore, the DC power supply device contains a booster circuit, and can convert a 5V power supply into a 12V power supply.

Further, the control circuit comprises a magnetic control switch circuit, a direct current power supply circuit and a system circuit.

The system circuit is divided into a part a which is a booster circuit, a part b which is a central micro-processing circuit, a part c which is an operational amplifier circuit, and a part d which is a Hall detection iC (magnetic control detection iC).

The circuit principle is as follows: when the product is connected with a 5V power supply, the voltage is boosted to 12V by the booster circuit (a) and supplied to the central micro-processing circuit, the operational amplifier circuit and the magnetic control detection circuit for power supply, when the magnetic control detection iC (d) detects a lower suspension body with a permanent magnet arranged below, the magnetic detection iC converts a magnetic signal into an electric signal and supplies the electric signal to the central micro-processing circuit, and the central micro-processing circuit (b) receives the detection electric signal and outputs the signal to the operational amplifier (c) for corresponding signal size processing and controls the size of corresponding current of the coil, so that the magnetic force generated by the coil is balanced with the self weight of a suspended object, and the suspension purpose is achieved.

The invention has the beneficial effects that: the device comprehensively utilizes technical principles of opposite attraction of magnetic fields, object detection, direct current boosting and the like, and realizes the functions and characteristics of intelligent detection of suspended matters, accurate hovering in the air, convenient deployment and movement and the like;

drawings

FIG. 1 is a schematic diagram of a magnetic suspension device with DC power supply;

FIG. 2 is a schematic structural diagram of a DC-powered magnetic suspension apparatus;

FIG. 3 is a magnetic control switch circuit of a DC powered magnetic suspension apparatus;

FIG. 4 is a B-board circuit of a magnetic control switch of a DC-powered magnetic suspension device;

FIG. 5 is a DC power supply circuit of a DC powered magnetic suspension apparatus;

FIG. 6 is a system circuit of a DC powered magnetic suspension apparatus;

fig. 7 is a schematic circuit diagram of a magnetic attraction type suspension device system with dc power supply.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

As shown in fig. 1 and 2, the magnetic levitation device comprises a direct current power supply device, a lower levitation body 2, an electromagnet 1, a sensor 4, a control circuit 3 and a bracket 5, wherein the direct current power supply device, the sensor 4, the electromagnet 1 and the control circuit 3 are mounted on the bracket 5, and a permanent magnet 21 is arranged in the lower levitation body 2, and is characterized in that when the sensor 4 detects that the permanent magnet 21 is positioned below, the direct current power supply device energizes the electromagnet 1 through the control circuit 3, magnetically suspends the lower levitation body 2 under the electromagnet 1 through the balance of the opposite attraction force and the gravity of the lower levitation body 2, and controls the lower levitation body 2 to be positioned at a balance position through the control circuit 3. The electromagnet comprises an iron core 11 and a coil 12.

For example, be applied to on the public young of a miniature magnetic suspension with this set of device, detect the public young back in below through the sensor, the controller is for the circular telegram of top electro-magnet to produce the downward magnetic field of direction, and the ascending magnet of the built-in magnetic field direction of public young produces magnetic attraction, thereby realizes the unsettled static of public young. The device supports a 5V direct current power supply, so that a common mobile power supply on the market can be used for supplying power, and the device is convenient to arrange and move. In addition, the diameter of the system is 32mm, the diameter of the magnet is 12-14mm, the height of the magnet is 8-10mm, and the weight of the system can be 50-60 g.

Example 2

As shown in fig. 3-6, further, the control circuit includes a magnetic switch circuit, a dc power circuit and a system circuit.

As shown in fig. 7, the system circuit is divided into (a) a booster circuit, (b) a central microprocessor circuit, (c) an operational amplifier circuit, and (d) a hall detection iC (magnetic detection iC).

The circuit principle is as follows: when the product is connected with a 5V power supply, the voltage is boosted to 12V by the power supply boosting circuit (a) and supplied to the central micro-processing circuit, the operational amplification circuit and the magnetic control detection circuit for power supply, when the magnetic control detection iC (d) detects that a magnetic suspension object is arranged below the magnetic control boosting circuit, the magnetic detection iC converts a magnetic signal into an electric signal and supplies the electric signal to the central micro-processing circuit, and the central micro-processing circuit (b) receives the detection electric signal and outputs the signal to the operational amplifier (c) for corresponding signal size processing and controls the size of corresponding current of the coil, so that the magnetic force generated by the coil is balanced with the self weight of the suspension object, and the suspension purpose is achieved.

While the invention has been described in connection with specific preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a direct current powered's magnetism type suspension device of inhaling, includes direct current power supply unit, lower suspensoid, electro-magnet, sensor, control circuit and support, sensor and electro-magnet are installed on the support, the suspensoid embeds down has the permanent magnet, its characterized in that, when the sensor detects the permanent magnet and is located the below, direct current power supply unit passes through control circuit and switches on to the electro-magnet, through opposite sex attraction and the balance of lower suspensoid weight power with the suspensoid magnetism suspension under the electro-magnet, and through the control circuit control lower suspensoid is located balanced position.

2. The magnetic levitation device as recited in claim 1, wherein the dc power supply and the control circuit are built in the frame or are externally disposed outside the frame.

3. The magnetically-attracted suspension device according to claim 1, wherein the electromagnets are one or more and comprise iron chips and coils.

4. The magnetically-attracted suspension device according to claim 2, wherein the support is a fixed support or a movable support.

5. The magnetic levitation device as recited in claim 1, wherein the dc power supply is a 5V mobile power supply.

6. The magnetic attraction type suspension device as claimed in claim 5, wherein the DC power supply device comprises a voltage boosting circuit for converting a 5V power supply into a 12V power supply.

7. The magnetically-attracted suspension device according to claim 1 or 6, wherein the control circuit comprises a magnetically-controlled switch circuit, a DC power circuit, and a system circuit.

8. The magnetic attraction type suspension device according to claim 7, wherein the system circuit is divided into a part a which is a voltage boosting circuit, a part b which is a central microprocessor circuit, a part c which is an operational amplifier circuit, and a part d which is a Hall detection iC circuit.

9. The magnetic levitation device as recited in claim 8, wherein the voltage boost circuit boosts the voltage to 12V and provides the voltage to the central microprocessor circuit, the operational amplifier circuit and the magnetic control detection circuit.

10. The magnetic levitation device as claimed in claim 9, wherein when the magnetic control detection iC detects the levitation body with the permanent magnet embedded therein, the magnetic detection iC converts the magnetic signal into an electrical signal to the central micro-processing circuit, and the central micro-processing circuit receives the detection electrical signal and outputs the signal to the operational amplifier for processing the magnitude of the corresponding signal and controlling the magnitude of the corresponding current of the coil.