阅读说明：本技术 一种新型组合式并联变换电源模组及控制方法 (Novel combined parallel conversion power module and control method ) 是由 卢志军 冷旭东 吕刚 罗平东 于 2021-01-19 设计创作，主要内容包括：本发明公开了一种新型组合式并联变换电源模组及控制方法,包括:插箱,所述插箱具有电源部和连接部；并联变换电源,所述并联变换电源置于所述电源部中,且与所述并联变换电源连接端电联接；电池熔断器,所述电池熔断器在所述连接部处于所述插箱固定连接；电池连接器母端座,所述电池连接器母端座固定连接在所述电池熔断器上。利用模块化及标准化设计思路,实现提前预生产、体积小、重量轻、配置灵活的特点,主要运用在直流系统中,缩短直流系统屏柜生产时间,美化柜体组屏的柜面布局,为直流系统屏柜生产厂家提升效率。(The invention discloses a novel combined parallel conversion power supply module and a control method, comprising a plug box, a power supply module and a control module, wherein the plug box is provided with a power supply part and a connecting part; the parallel conversion power supply is arranged in the power supply part and is electrically connected with the connecting end of the parallel conversion power supply; the battery fuse is fixedly connected with the plug box at the connecting part; the battery connector female end seat is fixedly connected to the battery fuse. The modular and standardized design idea is utilized to realize the characteristics of advanced pre-production, small volume, light weight and flexible configuration, and the modular and standardized design idea is mainly applied to a direct current system, so that the production time of the direct current system screen cabinet is shortened, the cabinet surface layout of the cabinet body group screen is beautified, and the efficiency is improved for direct current system screen cabinet manufacturers.)

1. A novel combined parallel conversion power module is characterized by comprising:

a plug box having a power supply portion and a connection portion;

the parallel conversion power supply is arranged in the power supply part and is electrically connected with the connecting end of the parallel conversion power supply;

the battery fuse is fixedly connected with the plug box at the connecting part;

the battery connector female end seat is fixedly connected to the battery fuse.

2. The novel combined parallel conversion power module as claimed in claim 1, wherein a parallel conversion power input/output male terminal is further fixed to the connecting part, and the parallel conversion power input/output male terminal is electrically connected with the parallel conversion power.

3. The novel combined parallel conversion power module as claimed in claim 2, wherein the connecting portion further comprises an ac input switch and a dc output switch, and the ac input switch and the dc output switch are fixedly connected to the plug box.

4. The novel combined parallel conversion power module as claimed in claim 3, further comprising a power communication PCB board, wherein the power communication PCB board is fixed on an outer wall of the power part.

5. The novel combined parallel conversion power module as claimed in claim 4, further comprising a battery signal plug terminal, wherein the battery signal plug terminal is assembled on the connecting portion and detachably connected to the plug box.

6. The novel combined parallel conversion power module as claimed in claim 5, wherein the battery fuse, the battery signal plug terminal, the battery connector female terminal seat, the AC input switch and the AC input are all located on the same surface of the connecting portion.

7. The novel combined parallel conversion power module according to claim 6, further comprising a storage battery, wherein the battery connector female terminal block comprises a battery connector positive terminal block and a battery connector negative terminal block, the battery connector positive terminal block and the battery connector negative terminal block are electrically connected to the storage battery through power cables, and the two power cables are equal in length.

8. The novel combined parallel conversion power module as claimed in claim 7, wherein the ac input switch is connected to an ac power source.

9. The novel combined parallel conversion power supply module according to claim 1, further comprising a module array frame for placing a plurality of parallel conversion power supply modules in parallel to form an array, wherein an intelligent circuit is arranged in the parallel conversion power supply to monitor and control the AC/DC circuit and the DC/DC converter in the parallel conversion power supply.

10. A novel combined parallel conversion power supply control method is characterized by comprising the following steps:

the module is respectively connected with an alternating current power supply and a storage battery on the alternating current input switch and the fuse, and judges whether the alternating current power supply works normally or not;

when the alternating current power supply is normal, an AC/DC circuit in the power supply is converted in parallel to form an internal bus voltage, the bus voltage simultaneously provides energy for the output converter DC/DC and the charging converter DC/DC, the output converter DC/DC generates DC220V or DC110V or DC48V bus voltage, the bus voltage is output through a direct current output switch, the charging converter DC/DC outputs the voltage to a 12V storage battery, and meanwhile, the other boosting DC/DC converter provided by the storage battery in a connection mode is in a standby state;

when the alternating current power supply loses power, the boosting DC/DC converter connected with the storage battery continuously bears output load, so that the assembly can realize uninterrupted switching to the storage battery for supplying power.

Technical Field

The invention relates to the technical field of power supply systems, in particular to a novel combined parallel conversion power supply module.

Background

The parallel conversion power supply, the alternating current input switch, the direct current output switch, the fuse and the battery in the parallel direct current power supply system on the market are installed in a distributed mode and combined randomly, the processing time difference is caused due to different wire diameters and lengths of laid cables and different proficiency of worker operation, and the process cannot be unified during production.

Disclosure of Invention

The invention mainly aims to provide a novel combined parallel conversion power module which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a novel combined parallel conversion power module comprises:

a plug box having a power supply portion and a connection portion;

the parallel conversion power supply is arranged in the power supply part and is electrically connected with the connecting end of the parallel conversion power supply;

a battery fuse in the connection portion in the receptacle fixed connection;

the battery connector female end seat is fixedly connected to the battery fuse.

Furthermore, the connecting part is also fixed with a parallel conversion power supply input/output male end which is electrically connected with the parallel conversion power supply.

Furthermore, the connecting part is also provided with an alternating current input switch and a direct current output switch, and the alternating current input switch and the direct current output switch are fixedly connected with the plug-in box.

Further, still include the power communication PCB board, the power communication PCB board is fixed in the outer wall of power portion.

The plug box further comprises a battery signal plug terminal, wherein the battery signal plug terminal is assembled on the connecting part and detachably connected with the plug box.

Furthermore, the battery fuse, the battery signal plug terminal, the battery connector female end seat, the alternating current input switch and the alternating current input are all located on the same surface of the connecting portion.

Further, still include the battery, the female end socket of battery connector has the female end socket of battery connector positive pole and the female end socket of battery connector negative pole, the female end socket of battery connector positive pole with the female end socket of battery connector negative pole respectively through power cable with the battery electricity is connected, two power cable is isometric.

Further, the alternating current input switch is connected to an alternating current power supply.

And the module array frame is used for arranging a plurality of parallel conversion power modules in parallel to form an array, and an intelligent circuit is arranged in the parallel conversion power supply to monitor and control the AC/DC circuit and the DC/DC converter in the parallel conversion power supply.

The novel combined parallel conversion power supply control method is characterized by comprising the following steps:

the module is respectively connected with an alternating current power supply and a storage battery on the alternating current input switch and the fuse, and whether the alternating current power supply works normally is judged;

when the alternating current power supply is normal, an AC/DC circuit in the power supply is converted in parallel to form an internal bus voltage, the bus voltage simultaneously provides energy for the output converter DC/DC and the charging converter DC/DC, the output converter DC/DC generates DC220V or DC110V or DC48V bus voltage, the bus voltage is output through a direct current output switch, the charging converter DC/DC outputs the voltage to charge a 12V storage battery, and meanwhile, the other boosting DC/DC converter connected and provided by the storage battery is in a standby state;

when the alternating current power supply loses power, the boosting DC/DC converter connected with the storage battery continuously bears output load, so that the assembly can realize uninterrupted switching to the storage battery for supplying power.

Compared with the prior art, the invention has the following beneficial effects: the invention has reasonable design and convenient use, realizes the characteristics of advanced pre-production, small volume, light weight and flexible configuration by utilizing the modularized and standardized design thought, is mainly applied to a direct current system, shortens the production time of the direct current system screen cabinet, beautifies the cabinet surface layout of the cabinet body group screen, and improves the efficiency for direct current system screen cabinet manufacturers.

Drawings

Fig. 1 is a schematic structural diagram of a novel combined parallel conversion power module according to the present invention.

Fig. 2 is a schematic structural diagram of a novel combined parallel conversion power module according to the present invention.

Fig. 3 is a schematic diagram of an array structure of a novel combined parallel conversion power module according to the present invention.

Fig. 4 is a schematic circuit diagram illustrating a novel control method for a combined parallel conversion power module according to the present invention.

In the figure: 1. inserting a box; 2. a parallel conversion power supply; 3. a battery fuse; 4. a battery connector female end mount; 5. an AC input switch; 6. a DC output switch; 7. a power communication PCB board; 8. a battery signal plugging terminal; 9. a storage battery; 10. a power cable; 11. A module array frame.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.

As shown in fig. 1-4, a novel combined parallel conversion power module includes:

a box 1, the box 1 having a power supply portion and a connection portion;

the parallel conversion power supply 2 is arranged in the power supply part, and is electrically connected with the connection end of the parallel conversion power supply 2;

the battery fuse 3 is fixedly connected with the plug box 1 at the connecting part;

a battery connector female socket 4, the battery connector female socket 4 being fixedly connected to the battery fuse 3.

The connecting part is also fixedly provided with an input/output male end of a parallel conversion power supply 2, and the input/output male end of the parallel conversion power supply 2 is electrically connected with the parallel conversion power supply 2.

The connecting part is further provided with an alternating current input switch 5 and a direct current output switch 6, and the alternating current input switch 5 and the direct current output switch 6 are fixedly connected with the plug-in box 1.

The power supply communication PCB is characterized by further comprising a power supply communication PCB 7, and the power supply communication PCB 7 is fixed on the outer wall of the power supply part.

The plug-in box comprises a plug-in box body 1 and a battery signal plug-in terminal 8, wherein the battery signal plug-in terminal 8 is assembled on the connecting portion and detachably connected with the plug-in box body 1.

Wherein, battery fuse 3 battery signal plug terminal 8 the female end socket 4 of battery connector ac input switch 5 with ac input all is located same face of connecting portion will connect in parallel transform power, input switch, output switch and fuse integrated design, reduce a large amount of secondary wiring, realize pre-production and integration and overhaul, save mass production and maintenance cost.

Wherein, still include battery 9, female end socket 4 of battery connector has the female end socket of battery connector anodal and the female end socket of battery connector negative pole, the female end socket of battery connector anodal with the female end socket of battery connector negative pole respectively through power cable 10 with battery 9 electricity is connected, two power cable 10 is isometric, and this module is a one-to-one mode with the battery, and all batteries are isometric cable to the wire of parallelly connected transform power supply, can realize that the battery discharge efficiency under the condition of same load is the same.

Wherein, the AC input switch 5 is connected with an AC power supply.

The device comprises a module array frame 11 and is used for arranging a plurality of modules of the parallel conversion power supply 2 in parallel to form an array, wherein an intelligent circuit is arranged in the parallel conversion power supply 2 to monitor and control an AC/DC circuit and a DC/DC converter in the parallel conversion power supply 2.

Referring to fig. 4, a novel combined parallel conversion power control method is further provided, and is characterized by including the following steps:

the module is respectively connected with an alternating current power supply and a storage battery on the alternating current input switch and the fuse, and whether the alternating current power supply works normally is judged;

when the alternating current power supply is normal, an AC/DC circuit in the power supply is converted in parallel to form an internal bus voltage, the bus voltage simultaneously provides energy for the output converter DC/DC and the charging converter DC/DC, the output converter DC/DC generates DC220V or DC110V or DC48V bus voltage, the bus voltage is output through a direct current output switch, the charging converter DC/DC outputs the voltage to charge a 12V storage battery, and meanwhile, the other boosting DC/DC converter connected and provided by the storage battery is in a standby state;

when the alternating current power supply loses power, the boosting DC/DC converter connected with the storage battery continuously bears output load, so that the assembly can realize uninterrupted switching to the storage battery for supplying power.

The parallel direct-current power supply technology is a novel technology, is designed for solving the problems of a storage battery connection structure, operation maintenance and the like, and has the advantages that a single battery open-circuit direct-current power supply system does not quit operation, storage batteries with different production times and different brands can be mixed for use, automatic online full-capacity checking is realized, and the like. As a leading-edge technology, station power supplies in a plurality of regions have been used in a full-module intelligent alternating-current and direct-current integrated power supply system, and a conventional 'distributed' installation mode does not meet the full-module requirement of technical specifications, namely is not coordinated with the whole technology of an intelligent substation; in the production mode of the prior art, after the cabinet body is produced, the installation of electric devices such as a power supply, an input switch, an output switch, a fuse and the like can be changed in parallel, the electric devices are installed in a distributed mode in the screen cabinet, the electric power cable and the signal cable are processed and manufactured according to the installation positions, the electric power cable and the signal cable are laid in unequal lengths, a plurality of primary wires, a plurality of secondary wires and a plurality of communication wires are arranged in an open line mode, the beauty is influenced, and the pre-production cannot be achieved in the production. On the other hand, the connecting lines of the parallel conversion power supply and the battery in the same cabinet have different discharging efficiencies under the condition of the same load due to different lengths, the distributed installation mode has uncertainty and is not easy to produce and standardize, and a plurality of primary lines and secondary lines are bound together to be inconvenient for maintenance, for example, as shown in fig. 1 and fig. 2, the module is a new module formed by assembling the parallel conversion power supply, a parallel conversion power supply communication PCB, an alternating current input switch, a direct current output switch, a positive/negative electrode connector, a fuse and a battery signal plug terminal in an insert box; the input/output male end of the parallel conversion power supply is fixed on the plug-in box, so that the parallel conversion power supply can be quickly plugged and pulled out; the female end seat of the battery connector is fixed on the fuse, and the female end seat of the battery signal is fixed on the plug box, so that the quick connection and disconnection of the storage battery can be realized; referring to fig. 2 and 3, the module and the storage battery are in an array one-to-one management mode, and are connected with the signal cable by using standardized equal-length power cables, so that the installation and wiring process is standardized; as shown in fig. 4, the module is connected to an AC power supply and a battery respectively at an AC input switch and a fuse, when the AC is normal, an AC/DC circuit in the power supply is converted in parallel to form an internal bus voltage, the bus voltage simultaneously provides energy for the output converter DC/DC and the charging converter DC/DC, the output converter DC/DC generates a DC220V or a DC110V or a DC48V bus voltage, and the DC output switch outputs the DC voltage; the charging converter DC/DC outputs to the 12V storage battery for charging, meanwhile, the other boosting DC/DC converter connected with the storage battery is in a standby state, and when alternating current is lost, the boosting DC/DC converter connected with the storage battery continuously bears output load, so that the assembly can realize uninterrupted switching to the storage battery for supplying power. An intelligent circuit is arranged in each parallel conversion power supply to monitor and control an AC/DC circuit and a DC/DC converter in the assembly, the battery assembly is accurately controlled to work in a corresponding state and is communicated with a monitor of the whole system to receive instructions of the system, and the characteristics of advanced pre-production, small volume, light weight and flexible configuration are realized by utilizing modular and standardized design ideas.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.