CN211670104U

CN211670104U - Wireless high-voltage transformer for power system

Info

Publication number: CN211670104U
Application number: CN202020500137.4U
Authority: CN
Inventors: 恩和巴雅尔
Original assignee: Shanghai Mingjing Intelligent Technology Co ltd
Current assignee: Shanghai Mingjing Intelligent Technology Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-10-13
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a wireless high voltage potential transformer for electric power system, relate to voltage transformer's technical field, which comprises an outer shell, a wire sleeve pipe, binding post once, primary coil and iron core, the iron core sets up in the shell, primary coil twines on the iron core, primary coil's tip welds with a terminal mutually, still including getting can the coil, secondary coil, power supply circuit board, data processing circuit board and wireless transmitter, it all twines on the iron core to get can coil and secondary coil, power supply circuit board and data processing circuit board all set up in the shell, it is connected with the power supply circuit board electricity to get can the coil, secondary coil is connected with the data processing circuit board electricity, wireless transmitter welds on the data processing circuit board, power supply circuit board is connected with the data processing circuit board electricity. The utility model discloses on the voltage sensing secondary coil with the high-pressure side, on the reconveying reached data processing circuit board, voltage signal sent away through wireless transmitter, the cost is reduced.

Description

Wireless high-voltage transformer for power system

Technical Field

The utility model relates to an electric power system's technical field especially relates to a high-voltage potential transformer.

Background

As shown in fig. 3, a high voltage transformer used in a current power system is provided with a primary connection terminal 3 and a secondary connection terminal 12, a primary bus is connected to the primary connection terminal 3, a primary coil 4 and a secondary coil 7 are wound on an iron core 5, a voltage on a high voltage side is induced to the secondary coil 7 side of the transformer by an electromagnetic induction principle, and the induced voltage is connected to a voltmeter by a secondary cable (a photoelectric current transformer uses an optical fiber) to display an effective value thereof, so that the purpose of measuring voltage is achieved. The disadvantages are as follows: the secondary cable is complicated in wiring and high in wiring cost.

SUMMERY OF THE UTILITY MODEL

To the problem of the aforesaid production, an object of the utility model is to provide a wireless high voltage potential transformer for electric power system.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

a wireless high-voltage transformer for an electric power system comprises a shell, a primary outgoing line sleeve, a primary wiring terminal, a primary coil and an iron core, wherein the primary outgoing line sleeve is arranged at the top of the shell, the primary wiring terminal is arranged at the top of the primary outgoing line sleeve, the iron core is arranged in the shell, the primary coil is wound on the iron core, the end part of the primary coil is welded with the primary wiring terminal, the wireless high-voltage transformer further comprises an energy-taking coil, a secondary coil, a power circuit board, a data processing circuit board and a wireless transmitter, the energy-taking coil and the secondary coil are wound on the iron core, the power circuit board and the data processing circuit board are arranged in the shell, the energy-taking coil is electrically connected with the power circuit board, and the secondary coil is electrically connected with the data processing circuit board, the wireless transmitter is welded on the data processing circuit board, the power supply circuit board is electrically connected with the data processing circuit board, the secondary coil is used for collecting voltage signals and sending the voltage signals to the data processing circuit board, and the data processing circuit board is used for carrying out data processing on the voltage signals and sending the processed voltage signals to the voltmeter through the wireless transmitter.

Preferably, the wireless transmitter is a development circuit composed of a Bluetooth chip or 433MHz and 700MHz chips.

The wireless high-voltage transformer for the power system is characterized in that the iron core is of a rectangular structure, and the power circuit board and the data processing circuit board are both located under the iron core.

The wireless high-voltage transformer for the power system is characterized in that the number of the primary outgoing line sleeves and the number of the primary wiring terminals are two, the primary wiring terminals are arranged at the tops of the primary outgoing line sleeves respectively, and two ends of the primary coil penetrate through the two primary outgoing line sleeves and are welded with the two primary wiring terminals respectively.

Preferably, the power supply circuit board and the data processing circuit board are mounted on the same circuit board.

The wireless high-voltage transformer for the power system is characterized in that a bottom plate is mounted at the bottom of the shell, and a mounting hole is formed in the bottom plate.

The utility model discloses owing to adopt above-mentioned technique, make it compare the positive effect that has with prior art and be:

1. the utility model discloses a secondary binding post that is used for power system's wireless high voltage potential transformer to cancel voltage transformer, the voltage of high-pressure side is sensed on voltage transformer's secondary coil, through secondary coil conduction to the data processing circuit board on, the data processing circuit board is handled voltage signal to on sending voltage signal to outside voltmeter through wireless transmitter, adopt wireless transmission mode to replace the secondary cable, avoided the complicated wiring process of secondary cable, the cost is reduced.

2. The utility model discloses a wireless high voltage potential transformer for electric power system need not to consider primary coil and secondary coil's insulation problem, simple manufacture, and is with low costs, and primary coil and secondary coil's insulation problem must be considered to current voltage transformer.

Drawings

Fig. 1 is a partial cross-sectional view of a wireless high voltage potential transformer for a power system of the present invention;

fig. 2 is a perspective view of the wireless high voltage potential transformer for an electric power system of the present invention;

fig. 3 is a schematic diagram of a high voltage transformer of the prior art.

Reference numerals: 1. a housing; 11. a base plate; 111. mounting holes; 2. a primary outgoing line sleeve; 3. a primary wiring terminal; 4. a primary coil; 5. an iron core; 6. an energy-taking coil; 7. a secondary coil; 8. a power supply circuit board; 9. a data processing circuit board; 10. a wireless transmitter; 12. and (5) secondary wiring terminals.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings and specific embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, fig. 1 is a partial cross-sectional view of a wireless high voltage transformer for an electric power system according to the present invention; fig. 2 is a perspective view of the wireless high voltage transformer for power system of the present invention.

The embodiment of the utility model provides a wireless high voltage potential transformer for electric power system, including shell 1, once go out line sleeve pipe 2, once binding post 3, primary coil 4 and iron core 5, shell 1 is made by insulating material, the inside of shell 1 is the cavity, once go out line sleeve pipe 2 sets up at the top of shell 1, once binding post 3 sets up at the top of once going out line sleeve pipe 2, once go out line sleeve pipe 2 and shell 1 and be linked together, iron core 5 sets up in shell 1, primary coil 4 twines on iron core 5, the tip of primary coil 4 welds with once binding post 3, once go out line sleeve pipe 2 and once binding post 3 and all be equipped with two, two once binding post 3 set up respectively at the top of two once going out line sleeve pipes 2, the both ends of primary coil 4 pass two once going out line sleeve pipes 2 respectively and weld with two once binding post 3, the primary coil 4 passes through the inside of the outlet sleeve 2.

Wherein, the wireless high-voltage potential transformer also comprises an energy-taking coil 6, a secondary coil 7, a power circuit board 8, a data processing circuit board 9 and a wireless transmitter 10, the energy-taking coil 6 and the secondary coil 7 are both wound on the iron core 5, the power circuit board 8 and the data processing circuit board 9 are both arranged in the shell 1, the energy-taking coil 6 is electrically connected with the power circuit board 8 through a lead to generate direct-current voltage, the power circuit board 8 is electrically connected with the data processing circuit board 9 through a lead to provide working power for the data processing circuit board 9, the secondary coil 7 is a copper enameled wire, the secondary coil 7 is electrically connected with the data processing circuit board 9 through a lead, the wireless transmitter 10 is welded on the data processing circuit board 9 to sense the voltage at the high-voltage side to the secondary coil 7 through the electromagnetic induction principle, the data processing circuit board, the processed voltage signal is sent to a voltmeter through the wireless transmitter 10 to be displayed, the purpose of measuring the voltage is achieved, a secondary cable is replaced by a wireless transmission mode, complex secondary wiring engineering is reduced, cost is reduced, the insulation problem of the primary coil 4 and the secondary coil 7 does not need to be considered, and the wireless voltage measuring device is simple to manufacture and low in cost.

Further optimizing the above embodiment, the iron core 5 is rectangular, and the power circuit board 8 and the data processing circuit board 9 are both located under the iron core 5.

Further, the wireless transmitter 10 is a developed circuit composed of a bluetooth chip or 433MHz, 700MHz chip.

Furthermore, a bottom plate 11 is installed at the bottom of the housing 1, and a mounting hole 111 is formed in the bottom plate 11 and used for mounting a wireless high-voltage transformer.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a wireless high voltage potential transformer for electric power system, includes shell (1), a wire sleeve pipe (2), binding post (3), primary coil (4) and iron core (5) once, a wire sleeve pipe (2) set up the top of shell (1), binding post (3) set up once the top of a wire sleeve pipe (2), iron core (5) set up in shell (1), primary coil (4) winding is in on iron core (5), the tip of primary coil (4) with binding post (3) weld mutually, its characterized in that: still including getting can coil (6), secondary coil (7), power supply circuit board (8), data processing circuit board (9) and wireless transmitter (10), get can coil (6) with secondary coil (7) all twine on iron core (5), power supply circuit board (8) with data processing circuit board (9) all set up in shell (1), get can coil (6) with power supply circuit board (8) electricity is connected, secondary coil (7) with data processing circuit board (9) electricity is connected, wireless transmitter (10) welding is in on data processing circuit board (9), power supply circuit board (8) with data processing circuit board (9) electricity is connected, secondary coil (7) are used for gathering voltage signal, and will voltage signal sends to data processing circuit board (9), the data processing circuit board (9) is used for carrying out data processing on the voltage signal and sending the processed voltage signal to a voltmeter through the wireless transmitter (10).

2. The wireless high-voltage potential transformer for electric power system according to claim 1, characterized in that the iron core (5) is rectangular in structure, and the power circuit board (8) and the data processing circuit board (9) are both located right below the iron core (5).

3. The wireless high-voltage transformer for the power system as claimed in claim 1, wherein there are two primary outgoing line bushings (2) and two primary connection terminals (3), the two primary connection terminals (3) are respectively disposed on the tops of the two primary outgoing line bushings (2), and two ends of the primary coil (4) respectively penetrate through the two primary outgoing line bushings (2) to be welded with the two primary connection terminals (3).

4. The wireless high-voltage potential transformer for the power system according to claim 1, characterized in that a bottom plate (11) is installed at the bottom of the housing (1), and the bottom plate (11) is provided with a mounting hole (111).