阅读说明：本技术 一种调度数据网设备专用的多电源装置 (Multi-power supply device special for dispatching data network equipment ) 是由 吴常胜 李进 黄启建 伍伟斌 徐健 钱瑛 邓晓艳 王为臻 胡浩军 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种调度数据网设备专用的多电源装置,是在装置本体上设置有交流输入接口、直流输入接口、交流输出接口、直流输出接口；在装置本体内设置有控制电路、蓄电池组、AC/DC转换模块、DC/AC转换模块以及滤波电路。本发明能同时提供稳定输出的交直流工作电源,填补变电站内电源结构单一的缺点,从而满足各类自动化调度数据网设备供电要求。(The invention discloses a multi-power supply device special for dispatching data network equipment, which is characterized in that an alternating current input interface, a direct current input interface, an alternating current output interface and a direct current output interface are arranged on a device body; the device body is internally provided with a control circuit, a storage battery pack, an AC/DC conversion module, a DC/AC conversion module and a filter circuit. The invention can provide stable output AC/DC working power supply at the same time, and overcomes the defect of single power supply structure in the transformer substation, thereby meeting the power supply requirements of various automatic dispatching data network devices.)

1. A special multi-power supply device for dispatching data network equipment is characterized in that: the device body (1) is provided with an alternating current input interface (2), a direct current input interface (3), an alternating current output interface (4) and a direct current output interface (5); a control circuit, a storage battery pack, an AC/DC conversion module, a DC/AC conversion module and a filter circuit are arranged in the device body (1);

the alternating current input interface (2) is connected to a power supply obtained by alternating current used by a slave station, and is converted into direct current by an AC/DC conversion module after being processed by a control circuit to charge the storage battery pack; the storage battery pack converts the output direct current into alternating current through the DC/AC conversion module, and the alternating current is processed by the filter circuit and then output to external equipment through the alternating current output interface (4);

the direct current input interface (3) is connected to direct current acquired by direct current screen equipment for the slave station to directly charge the storage battery pack; the storage battery pack directly outputs the direct current to external equipment through the direct current output interface (5) in a direct current terminal row mode.

2. The special multi-power supply device for the dispatching data network equipment as claimed in claim 1, wherein 6 external interfaces are arranged on the device body (1) as output terminals, wherein the 1 st and 2 nd external interfaces can provide power supply for the equipment and can also be used as control units; the 3 rd, 4 th, 5 th and 6 th external interfaces are used as control nodes.

3. The device of claim 1, wherein the control module comprises a rectifier bridge, a filter, and a voltage regulator unit, and is configured to pre-process power obtained from alternating current used by the slave station.

4. The multi-power-supply device special for the dispatching data network equipment as claimed in claim 1, wherein heat dissipation holes (6) are designed at the side of the box body of the device body (1); universal ratchet wheels (10) are arranged at four corners below the device body (1), and a hand grip (9) is arranged above the device body (1).

5. The multi-power-supply device special for the dispatching data network equipment as claimed in claim 1, wherein an electric quantity display screen is arranged on the device body (1) and used for displaying the residual electric quantity of the storage battery pack in real time, and a charging indicator lamp (8) is further arranged on the device body (1) and used for displaying charging and full charging.

Technical Field

The invention relates to a multi-power supply device, in particular to a multi-power supply device special for dispatching data network equipment.

Background

The automatic dispatching data network equipment can realize data acquisition on the RTU of the transformer substation and transmit data to the power grid dispatching automation system in real time through communication so as to meet the requirement of remote control and regulation of power grid dispatching on equipment in the substation. Recently, along with the higher degree of intelligence and the higher requirement of equipment in a substation of a national grid company, the importance of automatic dispatching data network equipment is higher and higher, power supplies required by the equipment are different, direct current power supply equipment and alternating current power supply equipment are provided, the direct current power supply generally adopts a direct current screen to supply power, the alternating current power supply generally adopts station power to supply power, and when the direct current screen equipment or a station transformer needs to be overhauled or fails, the working requirement of the automatic dispatching data network equipment cannot be met, so that dispatching data interruption can be caused.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a multi-power supply device special for dispatching data network equipment, so that an alternating current and direct current working power supply with stable output can be provided at the same time, and the defect of single power supply structure in a transformer substation is overcome, thereby meeting the power supply requirements of various automatic dispatching data network equipment.

In order to achieve the purpose of the invention, the technical scheme provided by the invention is as follows:

the invention relates to a multi-power supply device special for dispatching data network equipment, which is characterized in that: the device body is provided with an alternating current input interface, a direct current input interface, an alternating current output interface and a direct current output interface; the device body is internally provided with a control circuit, a storage battery pack, an AC/DC conversion module, a DC/AC conversion module and a filter circuit;

the alternating current input interface is connected to a power supply obtained by alternating current used by the slave station, and is converted into direct current by the AC/DC conversion module to charge the storage battery pack after being processed by the control circuit; the storage battery pack converts the output direct current into alternating current through the DC/AC conversion module, and the alternating current is processed by the filter circuit and then output to external equipment through the alternating current output interface;

the direct current input interface is connected with direct current acquired by direct current screen equipment for the slave station, and directly charges the storage battery pack; the storage battery pack directly outputs the direct current to external equipment through the direct current output interface in a direct current terminal row mode.

The special multi-power supply device for the dispatching data network equipment is also characterized in that 6 paths of external interfaces are arranged on the device body and serve as output terminals, wherein the 1 st and 2 nd external interfaces can provide power for the equipment and also serve as control units; the 3 rd, 4 th, 5 th and 6 th external interfaces are used as control nodes.

The control module is composed of a rectifier bridge, a filter and a voltage regulator unit and is used for preprocessing a power supply obtained by alternating current used by the slave station.

Heat dissipation holes are designed on the side part of the box body of the device body; universal ratchet wheels are arranged at four corners below the device body, and a hand grip is arranged above the device body.

The device body is provided with an electric quantity display screen for displaying the residual electric quantity of the storage battery pack in real time, and the device body is also provided with a charging indicator lamp for displaying charging and full charging.

Compared with the prior art, the invention has the advantages that:

1. the method integrates the operation characteristics of the automatic dispatching data network equipment, can provide direct current output and alternating current output, has high reliability, greatly improves the cruising ability of the automatic dispatching data network equipment, improves the reliability of continuous uploading of dispatching data, and ensures the safety of a power grid.

2. The invention comprehensively considers the specification of the power input interface of the automatic dispatching data network equipment, designs the power input and output interface with the same specification and has strong practicability.

3. According to the invention, various complex road conditions are considered, and universal wheels are arranged below the road conditions; the portable handle is arranged above the device, and the device is made of light materials and is high in use convenience.

Drawings

FIG. 1 is an electrical structural view of a multi power supply apparatus of the present invention;

FIG. 2 is an AC output terminal diagram of the multi-power device of the present invention;

FIG. 3 is a front view of the structure of the multi power supply device of the present invention;

FIG. 4 is a side view of the multi-power device structure of the present invention;

reference numbers in the figures: 1 a power supply device main body; 2, an alternating current input interface; 3, a direct current input interface; 4, an alternating current output interface; 5, a direct current output interface; 6, radiating holes; 7 electric quantity display device; 8, a charging indicator light; 9 a hand grip; 10 universal ratchet.

Detailed Description

In the embodiment, the operation characteristics of automatic dispatching data network equipment in a transformer substation are considered, in order to avoid dispatching data interruption caused by power loss of the automatic dispatching data network equipment, multi-power supply equipment capable of meeting continuous power supply of the automatic dispatching data network equipment is designed, the cruising ability of the automatic dispatching data network equipment is enhanced, and two types of power supply modes are provided for the automatic dispatching data network equipment, wherein the first mode is to convert a station alternating current power supply into a direct current power supply through AC/DC (alternating current/direct current) to charge a storage battery. The second kind is for being charged for the battery by direct current screen class equipment, and the output provides two kinds of output modes simultaneously, and direct current terminal row output mode is promptly, through the AC output mode of DC/AC with battery direct current conversion to exchanging, storage battery's advantage is the storage electric energy, can automatic dispatch data network equipment in a certain time and continue the power supply when external alternating current and direct current power supply all loses.

As shown in fig. 3, the multi-power supply device dedicated for the dispatch data network equipment is made of high-strength light-weight insulating material, and an ac input interface 2, a dc input interface 3, an ac output interface 4 and a dc output interface 5 are arranged on a device body 1;

as shown in fig. 4, the main body box is a standard size box for automatic scheduling, the size of the main body box can be placed in the vacant space of the automatic scheduling data network equipment, and heat dissipation holes 6 are designed on the side parts of the box of the device body 1; so as to meet the requirement of heat dissipation of the power supply device. Universal ratchet wheels 10 are installed at four corners below the device body 1, and the charging and discharging device can be dragged at different angles, so that the power supply device is more flexible and labor-saving when moving. A hand grip 9 is arranged above the device body 1; when complex road conditions are met, the road can be passed through in a hand-held mode. In order to ensure the safety of users, the bottom of the device is also provided with a grounding device, so that the shell is ensured to be well grounded.

As shown in fig. 1, a control circuit, a storage battery pack, an AC/DC conversion module, a DC/AC conversion module, a control logic circuit, and a filter circuit are provided in an apparatus body 1;

as shown in fig. 1, the AC input interface 2 is connected to a 220V power supply obtained from AC power used by a station, and is converted into a more stable DC power by the AC/DC conversion module after being processed by the control circuit to charge the battery pack; the output direct current is controlled by the storage battery pack through the square wave width or frequency of the DC/AC conversion module and converted into alternating current, the alternating current is processed by the filter circuit and then output to external alternating current automation equipment through the alternating current output interface 4, and the output side is boosted through the boost circuit and output to a load. The control module is composed of a rectifier bridge, a filter and a voltage regulator unit and is used for preprocessing a power supply obtained from alternating current used by the slave station.

The direct current input interface 3 is connected to direct current acquired by direct current screen equipment for the slave station to directly charge the storage battery pack; the storage battery pack outputs direct current to external equipment directly through the direct current output interface 5 in a direct current terminal mode. The direct current input interface 3 and the direct current output interface 5 are direct current access terminals of the same specification of the automatic dispatching data network equipment, are plug-and-play, and are safe and reliable. The direct current terminal is used for direct current equipment in a transformer substation or used as a control node.

As shown in fig. 3, an electric quantity display screen is arranged on the device body 1 for displaying the residual electric quantity of the storage battery pack in real time, and a charging indicator light 8 is further arranged on the device body 1 and connected with the storage battery pack through a control feedback device for displaying that the storage battery pack is being charged and is fully charged.

The storage battery pack with certain capacity is selected according to the load of equipment, the storage battery pack can be added according to the actual load condition, the three charging modes share one group of chargeable and dischargeable storage battery pack, the charging function of the multi-power supply device is connected with the chargeable and dischargeable storage battery pack, and preferably, the chargeable and dischargeable nickel-tin battery is selected.

As shown in fig. 2, in the specific implementation, 6 external interfaces are provided on the device body 1 as ac output terminals, wherein the 1 st and 2 nd external interfaces can provide power for the equipment and also can be used as a control unit; the 3 rd, 4 th, 5 th and 6 th external interfaces are used as control nodes. The equipment can be independently connected with alternating current and direct current, and can also be simultaneously connected with the alternating current and the direct current; when the AC and DC power supplies of the equipment are simultaneously accessed, the equipment can be used as a safe power supply to provide a stable power supply for the access equipment.

In conclusion, the multi-path power supply device special for the power supply is beneficial to improving the power supply reliability of the dispatching data network equipment, can avoid the problem that the dispatching data is interrupted due to the fact that the station transformer maintenance or the direct current screen fault affects the fact that the station automation dispatching data network equipment loses alternating current or direct current, and solves the problem that the automation dispatching data network equipment is continuously powered when the station alternating current or direct current is lost.