CN217770780U - Anti-interference device of power adapter - Google Patents

Abstract

The utility model belongs to the technical field of the power adapter technique and specifically relates to an anti jamming unit of power adapter, which comprises an outer shell, wherein, fixed chamber has been seted up in the shell, the magnetic sleeve of fixed intracavity fixedly connected with a plurality of along upper and lower direction equipartition, fixed intracavity is equipped with the closure plate that is located the magnetic sleeve inboard, be equipped with metal casing in the closure plate, the inside power adapter main part that is equipped with of metal casing, the upside of power adapter main part sets up to the frequency generation module, the upper end of power adapter main part is equipped with the protection casing that can carry out the cladding to the frequency generation module, the upper end of power adapter main part is equipped with the wave filter, the upper end of wave filter is provided with socket joint, the utility model discloses be convenient for protect power adapter, can carry out effective anti-interference protection to it, have extensive application prospect in power adapter technical field.

Description

Anti-interference device of power adapter

Technical Field

The utility model belongs to the technical field of power adapter technique and specifically relates to a power adapter's anti jamming unit.

Background

The power adapter is a power supply conversion device of small-sized portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, has the working principle that alternating current input is converted into direct current output, and is widely matched with equipment such as a security camera, a set top box, a router, a light bar, a massager and the like. Along with the continuous progress of technology, power adapter's volume is littleer and more, and power is bigger and more, but brings along with it that its internal circuit receives electromagnetic interference's problem easily, and specifically speaking, power adapter is in the use, because inside electromagnetic influence is great, the mains voltage of output is unstable, and voltage fluctuation appears often, brings the damage for the electronic product that charges, in addition, in order to prevent the interference, can adopt hardware anti-jamming and software anti-jamming. The hardware anti-interference is the most basic and important anti-interference measure of an application measure system, and generally starts with anti-interference and anti-interference to suppress interference, the general principle is to suppress and eliminate an interference source, cut off a coupling channel of interference to a system and reduce the sensitivity of interference signals of the system, and at present, specific measures can adopt methods such as isolation, filtering, shielding, grounding and the like.

However, the currently used power adapter has the following disadvantages:

1. the currently used power adapter cannot effectively shield electromagnetic interference, and a large amount of electromagnetic waves can be generated in the using process of the power adapter, so that the power adapter and electronic equipment can be interfered;

2. the power adapter who uses at present can not shield the magnetic field that produces, and when a plurality of power adapters used simultaneously, a plurality of power adapters can produce a plurality of magnetic fields, can cause certain interference to power adapter.

Therefore, there is a need for an anti-jamming device for a power adapter to solve the above-mentioned problems in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the invention provides an anti-interference device of a power adapter.

The technical scheme of the utility model be, including the shell, wherein, fixed chamber has been seted up in the shell, the magnetic sleeve of fixed intracavity fixedly connected with a plurality of along upper and lower direction equipartition, fixed intracavity is equipped with the closed partition that is located the magnetic sleeve inboard, be equipped with metal casing in the closed partition, the inside power adapter main part that is equipped with of metal casing, the upside of power adapter main part sets up to the frequency generation module, the upper end of power adapter main part is equipped with the protection casing that can carry out the cladding to the frequency generation module, the upper end of power adapter main part is equipped with the wave filter, the upper end of wave filter is provided with socket joint.

Preferably, the lower extreme of casing is equipped with a plurality of stabilizer blades, every all be equipped with in the stabilizer blade can with the magnetic conduction pole of ground contact, every the upper end of magnetic conduction pole all with power adapter main part electric connection.

Preferably, the lower end of the power adapter main body is provided with an output connector.

Preferably, the metal shell is made of metal with high magnetic permeability.

Adopt the technical scheme of the utility model can reach following beneficial effect: (1) The magnetic sleeve is arranged, and the magnetic sleeve is sleeved outside the power adapter main body, so that a magnetic field generated by the magnetic sleeve can absorb and eliminate electromagnetic waves generated in a circuit of the power adapter main body during operation, and meanwhile, interference generated by other electronic equipment is effectively shielded, and the device is convenient to protect; (2) Arranging a metal shell, and fixing a power adapter in the metal shell to further isolate and shield the metal shell; (3) The magnetic conduction rod is arranged, the power adapter main body is connected with the ground through the magnetic conduction rod, and then electromagnetic waves on the power adapter main body are guided into the ground through the magnetic conduction rod, so that electromagnetic anti-interference protection on the power adapter main body is realized; (4) The protection cover is arranged, electromagnetic waves generated by the frequency generation module in the use process of the power adapter main are isolated and shielded through the protection cover, and the electromagnetic waves are prevented from interfering other electronic elements; (5) A filter is arranged, the frequency spectrum of electromagnetic interference generated by an interference source is filtered through the filter, so that only useful signals are received in the power adapter, only required frequency components pass through the power adapter, and the interference frequency components are suppressed; the technical scheme of the utility model has extensive application prospect in power adapter technical field.

Drawings

Fig. 1 is an axonometric view of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a front view full section mapping diagram of the utility model.

Fig. 4 is a main view full-section cutting chart of the utility model.

The frequency generation device comprises a shell 1, a shell 2, a fixed cavity 3, a magnetic sleeve 4, a closed partition plate 5, a metal shell 6, a power adapter body 7, a frequency generation module 8, a protective cover 9, a filter 10, a socket joint 11, a support leg 12, a magnetic conducting rod 13 and an output joint.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention, and in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, and are only for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as limiting the present invention.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance throughout the present disclosure, it being understood that unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and can be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The anti-interference device of the power adapter shown in fig. 1 to 4 includes a housing 1, and in a specific embodiment, a fixed cavity 2 is formed in the housing 1, a plurality of magnetic sleeves 3 are fixedly connected in the fixed cavity 2, the magnetic sleeves being uniformly distributed in the vertical direction, and a closed partition plate 4 located inside the magnetic sleeves 3 is arranged in the fixed cavity 2;

in this embodiment, the casing 1 is made of plastic, so as to protect the entire device, and at the same time, the magnetic sleeve 3 is conveniently fixed inside the fixed cavity 2, the sealing partition plate 4 is made of plastic and is clamped inside the magnetic sleeve 3, so as to conveniently fix the metal shell 5, and at the same time, the magnetic sleeve 3 is separated from the metal shell 5, and the magnetic sleeve 3 is made of permanent magnet material, and by sleeving a plurality of magnetic sleeves 3 on the outer side of the power adapter main body 6, the magnetic field generated by the magnetic sleeve 3 can absorb and eliminate electromagnetic waves generated in the circuit of the power adapter main body 6 during operation, and meanwhile, the interference generated by other electronic devices can be effectively shielded, so as to conveniently protect the device;

as shown in fig. 1 to 4, a specific embodiment of the anti-jamming device for a power adapter is that a metal casing 5 is disposed in a sealed partition plate 4, a power adapter main body 6 is disposed in the metal casing 5, the metal casing 5 is fixedly connected to the inside of the sealed partition plate 4, and conductive metal can reflect, absorb, and counteract electromagnetic waves, so as to reduce interference of electromagnetic wave radiation, and to better shield electromagnetic pulses with high frequency and high strength, the metal casing 5 is made of high magnetic conductivity metal, such as iron, cobalt, nickel, or alloys thereof, and the power adapter main body 6 is fixedly connected to the inside of the metal casing 5, and the power adapter is fixed to the inside of the metal casing 5 to further isolate and shield the power adapter;

as shown in fig. 1 to 4, a specific embodiment of the anti-jamming device for a power adapter is that a frequency generation module 7 is disposed on an upper side of a power adapter main body 6, the frequency generation modules 7 are disposed in two and respectively fixed on left and right sides of the power adapter main body 6, a protective cover 8 capable of covering the frequency generation module 7 is fixedly connected to an upper end of the power adapter main body 6, a filter 9 is electrically connected to an upper end of the power adapter main body 6, a socket connector 10 is electrically connected to an upper end of the filter 9, electromagnetic waves generated by the frequency generation module 7 during use of the power adapter main body are isolated and shielded by the protective cover 8, and are placed to interfere with other electronic components, a frequency spectrum of electromagnetic interference generated by an interference source is filtered by the filter 9, so that only useful signals are received inside the power adapter, only required frequency components are allowed to pass through, and interference frequency components are suppressed.

The anti-jamming device of the power adapter shown in fig. 1 to 4, a specific embodiment is that, a plurality of support legs 11 are fixedly connected to the lower end of the casing, a magnetic conduction rod 12 capable of contacting with the ground is fixedly connected to each support leg 11, the upper end of each magnetic conduction rod 12 is electrically connected to the power adapter main body 6, the magnetic conduction rods 12 are clamped inside the support legs 11, the magnetic conduction rods 12 are fixed through the support legs 11, when the device is used, the support legs 11 contact with the ground, and further electromagnetic waves on the power adapter main body 6 are guided into the ground through the magnetic conduction rods 12, so as to achieve electromagnetic anti-jamming protection on the power adapter main body 6, the output connector 13 is electrically connected to the lower end of the power adapter main body 6, and the device is convenient to use.

The working principle of the device is as follows: when the device is used, a plurality of magnetic sleeves 3 are sleeved outside a power adapter body 6, so that a magnetic field generated by the magnetic sleeves 3 can absorb and eliminate electromagnetic waves generated by the power adapter body 6 in a circuit when the power adapter body works, meanwhile, interference generated by other electronic equipment is effectively shielded, the power adapter is fixed inside a metal shell 5 and is further isolated and shielded, the electromagnetic waves generated by a frequency generation module 7 of the power adapter body 6 in the using process are isolated and shielded through a protective cover 8, the interference with other electronic components is placed, the frequency spectrum of the electromagnetic interference generated by an interference source is filtered through a filter 9, only useful signals are received inside the power adapter, only required frequency components are passed through, the interference frequency components are suppressed, the power adapter body 6 is connected with the ground through a magnetic conduction rod 12, further, the electromagnetic waves on the power adapter body 6 are guided into the ground through the magnetic conduction rod 12, so that anti-interference electromagnetic protection on the power adapter body 6 is realized, and by arranging a multiple anti-interference structure, external interference signals can be effectively shielded, and the electromagnetic signals generated by the power adapter body are simultaneously, shielded and are isolated.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (3)

1. Power adapter's anti jamming unit, including shell (1), its characterized in that, set up fixed chamber (2) in shell (1), the magnetic sleeve (3) of upper and lower direction equipartition is followed to a plurality of fixedly connected with in fixed chamber (2), be equipped with in fixed chamber (2) and be located magnetic sleeve (3) inboard sealed baffle (4), be equipped with metal casing (5) in sealed baffle (4), metal casing (5) inside is equipped with power adapter main part (6), the upside of power adapter main part (6) sets up to frequency generation module (7), the upper end of power adapter main part (6) is equipped with can carry out cladding protection casing (8) to frequency generation module (7), the upper end of power adapter main part (6) is equipped with wave filter (9), the upper end of wave filter (9) is provided with socket joint (10).

2. The anti-interference device for the power adapter according to claim 1, wherein the lower end of the casing is provided with a plurality of support legs (11), each support leg (11) is provided with a magnetic conductive rod (12) therein, the magnetic conductive rod (12) is capable of contacting with the ground, and the upper end of each magnetic conductive rod (12) is electrically connected with the power adapter main body (6).

3. The anti-interference device of the power adapter according to claim 1, wherein the lower end of the power adapter body (6) is provided with an output connector (13), and the metal shell (5) is made of metal with high magnetic permeability.

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