CN220107666U

CN220107666U - Power supply device

Info

Publication number: CN220107666U
Application number: CN202321305266.8U
Authority: CN
Inventors: 徐宏涛; 王浩; 王晓培
Original assignee: Huadian Power International Co ltd Shiliquan Power Plant
Current assignee: Huadian Power International Co ltd Shiliquan Power Plant
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-11-28
Anticipated expiration: 2033-05-26

Abstract

The utility model relates to the technical field of power supply, in particular to a power supply device which comprises a magnetic conduction ring, a shell and a coil, wherein a cable hole is formed in the shell, the cable hole and the magnetic conduction ring are coaxially arranged, the cable hole is positioned at the inner side of the magnetic conduction ring, the coil is sleeved on the magnetic conduction ring, and the coil is positioned at one side of the cable hole; the coil arranged on the magnetic conduction ring generates induction current when the magnetic field is changed by utilizing alternating current in the cable, so that the use requirement of power supply is met, long-term stable power supply is realized, the structure is simple, the cost is low, and the use is convenient.

Description

Power supply device

Technical Field

The utility model relates to the technical field of power supply, in particular to a power supply device.

Background

The electric equipment is influenced by the vibration of the environment and the body in the operation process, the phenomena of loosening, heating, burning loss and the like at the junction are easily caused, the safe, stable and reliable net hanging operation of the generator set is influenced, and when the heating at the junction of the lead wire of the high-voltage equipment is abnormal, accidents such as load reduction, machine tripping and the like of the set are caused; in order to improve reliability and safety of electrical equipment, a plurality of monitoring modules are arranged at equipment connection joints such as a factory electrical work transformer, a high-voltage switch cabinet and a motor.

The monitoring module is generally supplied with power through the built-in battery, is solidified into a whole through the epoxy resin pouring sealant, is installed inside the electrified switch cabinet, has a short overall service life, cannot replace the battery, increases the cost of a using unit, and simultaneously reduces the working efficiency while replacing the detection module to increase the cost.

Disclosure of Invention

The utility model aims to provide a power supply device which solves the problem that a detection module of an electric device using alternating current needs battery power supply at present.

The technical scheme for achieving the purposes is as follows:

the utility model provides a power supply unit, its characterized in that includes magnetic ring, coil and casing, the coil cover is established in one side of magnetic ring, the magnetic ring sets up the inside at the casing, set up the cable hole that sets up with the magnetic ring is coaxial on the casing, the magnetic ring is located the cable hole outside, the coil is located one side of cable hole, the coil sets up in the casing.

Further defined, the casing includes left half casing and the right half casing of being connected with left half casing, the cable hole is including setting up the left half cable shell on left half casing and setting up the right half cable shell on right half casing, magnetic conduction ring is including setting up the left semi-magnetic ring in left half casing and setting up the right semi-magnetic ring in right half casing, the coil cover is established on left semi-magnetic ring or right semi-magnetic ring.

Further defined, the coil comprises a first coil and a second coil, the turns ratio of the first coil to the second coil being 1.2 to 6:1, the first coil is positioned at one side of the second coil.

Further defined, the coil comprises a plurality of power supply coils, and the power supply coils are sleeved on the same side of the left semi-conductive magnetic ring or the same side of the right semi-conductive magnetic ring at intervals.

Further defined, the number of turns of the plurality of power supply coils is different.

Further defined, the power supply device further includes a rectifying unit disposed in the housing, the rectifying unit being electrically connected to the coil through the switching unit.

Further defined, the power supply device further includes a filtering unit disposed in the housing, the filtering unit being electrically connected with the rectifying unit.

Further defined, the power supply device further comprises an electric quantity storage unit arranged in the shell, and the input end of the electric quantity storage unit is electrically connected with the output end of the filtering unit.

The utility model has the beneficial effects that:

1. the utility model utilizes the coil arranged on the magnetic conduction ring to generate induction current when the alternating current in the cable generates a variable magnetic field, thereby realizing the use requirement of power supply as a power supply, realizing long-term stable power supply, and having simple structure, low cost and convenient use.

2. The shell, the magnetic ring and the cable hole are all connected in a disassembling mode, so that the installation can be realized during production of electrical equipment, the installation and the use can be realized after production of the electrical equipment, the application range is wide, the problem that the cable is inconvenient to disassemble after the installation and the use of the electrical equipment is avoided, the installation efficiency is improved, and the working efficiency is guaranteed.

3. The plurality of power supply coils are arranged on the magnetic conduction ring, and the plurality of power supply coils are connected in series and parallel, so that different power supply requirements can be realized by arranging the power supply coils with different turns; can realize DC power supply's power supply demand through setting up the rectification power, realize stabilizing power supply's power supply demand through setting up the filter unit, can realize also can monitor electrical equipment through the electric quantity of storage when electrical equipment stops the circular telegram through setting up electric quantity storage unit, satisfy the user demand.

Drawings

FIG. 1 is a schematic view of the left half shell of the present utility model;

FIG. 2 is a schematic view of the right half shell of the present utility model;

FIG. 3 is a schematic diagram of a connection structure between a coil and a magnetic ring according to the present utility model;

in the figure: 1-left half shell; 2-right half shell; 3-left semi-conductive magnetic ring; 4-right semi-conductive magnetic ring; 5-a first coil; 6-a second coil; a-left half placing the shell; b-left half cable housing; c-left half connector; d-left half placing cabin; e-right half placing the shell; f-right half cable housing; g-right half connector.

Detailed Description

Referring to fig. 1 to 3, the present embodiment provides a power supply device, including a magnetic conductive ring and a coil, and further preferably further includes a housing, on which a cable hole is formed, so that the cable hole is sleeved on a cable connected to an ac power supply when an electrical apparatus is produced, the cable hole is coaxially disposed with the magnetic conductive ring, and the cable hole is disposed inside the magnetic conductive ring, that is, the cable is disposed inside the magnetic conductive ring, and at this time, the cable hole is disposed inside the magnetic conductive ring and along an axis of the magnetic conductive ring; the coil is sleeved on the magnetic conductive ring, and the coil is positioned at one side of the cable hole, so that an alternating electromagnetic field generated by a cable flowing through alternating current covers the coil, and meanwhile, the coil generates induction current in the changing electromagnetic field, so that two ends of a wire in the coil are used as output ends, and the detection module of the electrical equipment is powered.

Further, in order to use the power supply device when the cable is not detached after the electric apparatus is put into use, the housing and the magnetic ring are selected to be in detachment connection with the housing, specifically, referring to fig. 1 and 2, the housing includes a left half housing 1 and a right half housing 2 connected with the left half housing 1, the cable hole includes a left half cable housing b provided on the left half housing 1 and a right half cable housing f provided on the right half housing 2, the left half housing 1 includes a left half placement housing a and a left half connector c connected with the left half placement housing a, the left half cable housing b is provided on the left half placement housing a such that a left half placement cabin d is formed between the left half cable housing b and the left half placement housing a, the left half connector is located outside the left half cable housing b; the right half shell 2 also comprises a right half placing shell e and a right half connecting piece g connected with the right half placing shell e, wherein the right half cable shell f is arranged on the right half placing shell e, so that a right half placing cabin is formed between the right half cable shell f and the right half placing shell e, and the right half connecting piece g is positioned on the outer side of the right half cable shell f.

When the cable is used, the left half shell 1 and the right half shell 2 are sleeved on the outer side of the cable through the left half cable shell b and the right half cable shell f, and then the left half placing shell a and the right half placing shell e are connected by the left half connecting piece c and the right half connecting piece g, so that the left half shell 1 and the right half shell 2 are connected on the outer side of the cable.

The magnetic conducting ring comprises a left semi-magnetic conducting ring 3 arranged in the left semi-shell 1 and a right semi-magnetic conducting ring 4 arranged in the right semi-shell 2, so that the left semi-magnetic conducting ring 3 is required to be placed in a left semi-placing cabin d during installation, the right semi-magnetic conducting ring 4 is placed in a right semi-placing cabin, when the left semi-shell 1 is connected with the right semi-shell 2, the left semi-magnetic conducting ring 3 and the right semi-magnetic conducting ring 4 are connected through clamping, bonding or connecting pieces to form a magnetic conducting ring capable of conducting magnetic, a coil is placed in the left semi-placing cabin d at the moment, the space of the left semi-placing cabin d is larger than that of the right semi-placing cabin, and two ends of a wire in the coil are respectively used as output ends of a power supply to supply power.

In order to meet the requirements of different models or different power supply voltages and currents, the coils can select a plurality of power supply coils with different turns, the power supply coils are arranged at intervals, different power supply requirements are achieved, and more power supply requirements can be met by controlling the coils in series and/or in parallel.

Referring to fig. 3, for example, the coil includes a first coil 5 and a second coil 6, both of the first coil 5 and the second coil 6 are wound on the left semiconducting ring 3, and the turns ratio of the first coil 5 and the second coil 6 is 1.2 to 6:1, taking 4:3 as an example, the current of the first coil 5 can be manually output through the switch unit according to the use requirement during output, the current of the second coil 6 can be independently output through the switch unit, and the power supply can be performed after the first coil 5 and the second coil 6 are connected in series through the switch unit.

Furthermore, the power supply device provided by the embodiment further comprises a rectifying unit, a filtering unit and an electric quantity storage unit, and direct current power supply is realized by connecting the rectifying unit with the output end of the coil; the filtering unit is connected with the rectifying unit, so that power supply is more stable; the rectification unit is connected with the electric quantity storage unit, so that redundant electric quantity can be stored when power supply is redundant, the output end of the electric quantity storage unit is electrically connected with the input end of the detection module, and the detection module can be supplied with power through the power supply of the electric quantity storage unit when the electric equipment stops running; meanwhile, the output end of the filtering unit is electrically connected with the power end of the detection module, stable power supply to the detection module is achieved, actual use requirements are met, and the rectifying unit, the filtering unit and the electric quantity storage unit can be selected to purchase commercial products.

Claims

1. The power supply device is characterized by comprising a rectifying unit, a magnetic conduction ring, a coil and a shell, wherein the coil is sleeved on one side of the magnetic conduction ring, the magnetic conduction ring is arranged in the shell, a cable hole coaxially arranged with the magnetic conduction ring is formed in the shell, the magnetic conduction ring is positioned on the outer side of the cable hole, the coil is positioned on one side of the cable hole, the coil and the rectifying unit are both arranged in the shell, and the coil of the rectifying unit is electrically connected;

the shell comprises a left half shell (1) and a right half shell (2) connected with the left half shell (1), the cable hole comprises a left half cable shell (b) arranged on the left half shell (1) and a right half cable shell (f) arranged on the right half shell (2), the magnetic ring comprises a left semi-magnetic ring (3) arranged in the left half shell (1) and a right semi-magnetic ring (4) arranged in the right half shell (2), and the coil is sleeved on the left semi-magnetic ring (3) or the right semi-magnetic ring (4).

2. The power supply device according to claim 1, characterized in that the coil comprises a first coil (5) and a second coil (6), the turns ratio of the first coil (5) to the second coil (6) being 1.2-6: 1, the first coil (5) is positioned at one side of the second coil (6).

3. The power supply device according to claim 1, characterized in that the coil comprises a plurality of power supply coils, which are arranged on the same side of the left semi-conductive magnetic ring (3) or on the same side of the right semi-conductive magnetic ring (4) at intervals.

4. A power supply device according to claim 3, wherein the number of turns of the plurality of power supply coils is different.

5. The power supply device according to any one of claims 1 to 4, wherein the rectifying unit is electrically connected to the coil through a switching unit.

6. The power supply device according to claim 5, further comprising a filter unit disposed in the housing, the filter unit being electrically connected to the rectifying unit.

7. The power supply device according to claim 6, further comprising a power storage unit disposed in the housing, an input of the power storage unit being electrically connected to an output of the filter unit.