CN102938578A - Insulated charging device for switch cabinet arrester monitor - Google Patents

Abstract

The invention discloses an insulating charging device for a lightning arrester monitor of a switch cabinet, which is used for charging an electric receiving device; the insulating charging device comprises: a charger, wherein an AC power source is provided, and a charging coil connected to the AC power circuit; the charging coil It is used to convert the electric energy of the AC power supply into magnetic energy; the magnetically conductive insulating plastic is set at one end of the charger with the charging coil, and is used as a magnetic core to store magnetic energy; when charging, the charger and the powered device are connected through the magnetically conductive insulating plastic to form a The magnetic circuit of the charging transformer; the charging line is installed in the receiving equipment as a power input; the receiving coil is installed in the receiving equipment to convert the magnetic energy stored in the magnetically conductive insulating plastic into electrical energy and transmit it to the charging line. The invention connects the charger and the receiving equipment through the magnetically conductive insulating plastic to form a magnetic circuit of the charging transformer; realizes charging under the condition of complete electrical isolation between the charger and the receiving equipment, and solves the harsh requirement of the power online equipment on power consumption.

Description

An insulation charging device for a switchgear lightning arrester monitor

technical field

The invention relates to a power supply charging technology, in particular to an insulating charging device for a switch cabinet lightning arrester monitor.

Background technique

Since the sensitivity, transmission power and transmission distance of wireless devices all depend on the power supply energy, they must put forward strict requirements on the power supply. It is required to maintain long-term stability of electric energy. In the prior art, the charging method of the wireless device has very strict requirements on power consumption.

Contents of the invention

The invention provides an insulating charging device for a lightning arrester monitor of a switch cabinet, which can maintain long-term stability of electric energy and solves the harsh requirement of wireless equipment on power consumption.

In order to achieve the above object, the present invention provides an insulating charging device for a switchgear arrester monitor, which is characterized in that it is used to charge powered equipment; the insulating charging device includes:

A charger, which is provided with an AC power source, and a charging coil connected to the AC power circuit; the charging coil is used to convert the electrical energy of the AC power source into magnetic energy;

Magnetically conductive insulating plastic, which is arranged at one end of the charging coil of the above-mentioned charger, and stores magnetic energy as the magnetic core of the insulating charging device; when charging, the charger and the receiving equipment are connected through magnetically conductive insulating plastic to form a charging transformer magnetic circuit;

A charging circuit, which is set in the above-mentioned power receiving equipment, and is connected to the internal circuit of the power receiving equipment as a power input;

The power receiving coil is arranged in the above power receiving equipment, and is used to convert the magnetic energy stored in the magnetically permeable insulating plastic into charging electric energy and transmit it to the charging circuit.

The above-mentioned charging coil is set opposite to the power receiving coil, and is respectively set on both sides of the magnetically permeable insulating plastic.

The turns ratio of the above charging coil to the power receiving coil is 55:2.

The above-mentioned AC power supply adopts a general 220-volt AC power supply.

The above-mentioned charging circuit adopts a rectifying circuit.

The AC power supply outputs electric energy to the charging coil, and the charging coil converts the electric energy into magnetic energy, and the magnetically conductive insulating plastic acts as a magnetic core to store the magnetic energy converted by the charging coil;

When charging, set the end of the charger provided with the magnetically conductive insulating plastic against the end provided with the receiving coil of the receiving device. The power receiving coil receives the magnetic energy in the magnetically conductive insulating plastic of the charger and converts it into electrical energy, which is transmitted to the charging line. The charging line processes the electric energy, such as rectification, and then outputs it to the internal circuit of the power receiving device. Provide power.

Compared with the wireless equipment power supply technology in the prior art, an insulating charging device for a switch cabinet arrester monitor of the present invention has the advantage that the present invention connects the charger and the receiving equipment through magnetically conductive insulating plastic to form a charging transformer magnetic circuit; The charger is charged under the condition of complete electrical isolation from the powered equipment, which solves the demanding power consumption requirements of online power equipment.

Description of drawings

Fig. 1 is the circuit diagram of the insulation charging device of the switchgear arrester monitor of the present invention.

Detailed ways

Specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

As shown in FIG. 1 , the present invention discloses an embodiment of an insulating charging device for a switchgear arrester monitor, which is used to charge a powered device S7 (ie, a switchgear arrester monitor).

The insulating charging device includes: a charger S1, a magnetically conductive insulating plastic S4, and a charging line S6 and a power receiving coil S5 arranged in a power receiving device S7.

The charger S1 is provided with an AC power source S2 and a charging coil S3 connected to the AC power source S2 circuit. The AC power supply S2 adopts a universal 220-volt AC power supply to provide initial energy for charging. The charging coil S3 is used to convert the electric energy output by the AC power supply S2 into magnetic energy.

The magnetically permeable insulating plastic S4 is fixedly arranged at one end of the charger S1 provided with the charging coil S3, and serves as a magnetic core of the insulating charging device to store the magnetic energy generated by the charging coil S3. When charging, the charger S1 sets one end with an insulating charging device relative to the power receiving device S7, so that the charger S1 and the power receiving device S7 are connected through the magnetically conductive insulating plastic S4 to form a charging transformer magnetic circuit to form a complete charging circuit.

The charging circuit S6 is arranged in the power receiving device S7, and the charging circuit S6 in this embodiment adopts a rectifying circuit. The charging line S6 serves as the power input of the power receiving device S7, and is connected to the internal circuit of the power receiving device S7 to provide power thereto.

The power receiving coil S5 is provided in the power receiving device S7 and is electrically connected to the charging line S6. The power receiving coil S5 is used to convert the magnetic energy stored in the magnetically permeable insulating plastic S4 into charging electric energy and transmit it to the charging circuit S6. When charging, one end of the charger S1 provided with the magnetically conductive insulating plastic S4 and the charging coil S3 is set opposite to the end of the power receiving device S7 provided with the power receiving coil S5. Thus, the charging coil S3 and the power receiving coil S5 are arranged oppositely, and are respectively arranged on both sides of the magnetically permeable insulating plastic S4.

In this embodiment, the turns ratio of the charging coil S3 and the power receiving coil S5 is 55:2.

The working process of the insulating charging device for the switchgear arrester monitor disclosed by the present invention is as follows:

The AC power supply S2 outputs 220V AC power and transmits it to the charging coil S3, the charging coil S3 converts the electric energy of the 220V AC power into magnetic energy, and the magnetically conductive insulating plastic S4 acts as a magnetic core to store the magnetic energy converted by the charging coil S3.

When charging, the end of the charger S1 provided with the magnetically conductive insulating plastic S4 is set against the end of the power receiving device S7 provided with the power receiving coil S5. The power receiving coil S5 receives the magnetic energy stored in the magnetically conductive insulating plastic S4 of the charger S1 and converts it into electrical energy, which is transmitted to the charging circuit S6. The charging circuit S6 processes the electrical energy, such as rectification, and then outputs it to the power receiving device S7. The internal circuit provides power for the powered device S7. That is, charging is performed under the condition that the charger S1 is completely electrically isolated from the power receiving device S7.

Although the content of the present invention has been described in detail through the above preferred embodiments, it should be understood that the above description should not be considered as limiting the present invention. Various modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the above disclosure. Therefore, the protection scope of the present invention should be defined by the appended claims.

Claims (5)

1. a switch cabinet lightning arrester monitor insulation charging device, is characterized in that, it is for being charged to power receiving equipment (S7); This insulation charging device comprises:

Charger (S1), wherein be provided with AC power (S2), and the charge coil (S3) be connected with AC power (S2) circuit; Charge coil (S3) is converted to magnetic energy for the electric energy by AC power (S2);

Magnetic conduction ambroin (S4), it is arranged at the end that described charger (S1) is provided with charge coil (S3), as the magnetic core stored magnetic energy of insulation charging device; During charging, charger (S1) is connected by magnetic conduction ambroin (S4) with power receiving equipment (S7), forms the charging transformer magnetic loop;

Charging circuit (S6), it is arranged in described power receiving equipment (S7), and input is connected with the internal circuit of power receiving equipment (S7) as power supply;

Be subject to electric coil (S5), it is arranged in described power receiving equipment (S7), for the magnetic energy by magnetic conduction ambroin (S4) storage, is converted to the electric energy of charging and transfers to charging circuit (S6).

2. switch cabinet lightning arrester monitor as claimed in claim 1 insulation charging device, is characterized in that, during charging, described charge coil (S3) be oppositely arranged by electric coil (S5), and be arranged at respectively the both sides of described magnetic conduction ambroin (S4).

3. switch cabinet lightning arrester monitor insulation charging device as claimed in claim 1, is characterized in that, described charge coil (S3) is 55:2 with being subject to the turn ratio of electric coil (S5).

4. switch cabinet lightning arrester monitor insulation charging device as claimed in claim 1, is characterized in that, described AC power (S2) adopts 220 volts of general AC power.

5. switch cabinet lightning arrester monitor insulation charging device as claimed in claim 1, is characterized in that, described charging circuit (S6) adopts rectification circuit.

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