Emergency insurance supply control device with grid-connected and parallel-operation functions

Abstract

The utility model relates to an emergency insurance supply control device with grid-connected and parallel-operation functions. The emergency insurance supply control device comprises a power generation module, a first quick connector, a second quick connector, a low-voltage power distribution cabinet, a parallel-operation controller and a synchronous grid-connected control box, the low-voltage power distribution cabinet comprises a circuit breaker; the power generation module is electrically connected with a circuit breaker of the low-voltage power distribution cabinet, the parallel operation controller and the synchronous grid-connected control box through the first quick connector and the second quick connector respectively; the parallel operation controller is used for realizing mutual parallel operation of the power generation modules of different brands, and the synchronous grid-connected control box is used for realizing synchronous grid connection of the power generation modules. According to the utility model, the problems of unreliability and low working efficiency of a power supply system in the prior art are solved, a plurality of emergency power supply vehicles with different brands and capacities are networked and connected with a user load to establish a temporary micro-grid through the parallel operation controller and the synchronous grid-connected control box, and the emergency power supply vehicles are connected with the mains supply in the peak period of power utilization, so that the emergency power supply vehicles are connected with the mains supply. The burden on the line is effectively shared, and the power supply quality is prevented from being reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of emergency supply control, and particularly relates to an emergency supply control device with grid-connected and parallel-generator functions. Background Technique

[0002] In modern production and life, the power supply system is indispensable. A common power supply system generally includes: a power supply and a load. The power supply powers the load to form a power supply loop. Among them, bolts are generally used to connect the power supply and the cable, which cannot be waterproof and is not convenient for outdoor operation on rainy days. It also has a certain impact on the improvement of the power supply work efficiency and cannot achieve quick plugging and unplugging.

[0003] The internal structure of a common cable is generally composed of a single-strand or multi-strand wire core and an insulating layer, and has multiple groups of wires. Each group of wires is insulated from each other and is often twisted around a central wire. The whole is wrapped with a highly insulating covering layer. The cable has the characteristics of internal power conduction and external insulation. The existing cable's flame retardant ability cannot meet the use requirements of some places with high flame retardant requirements. In case of a fire, the cable is easily damaged, resulting in the cable being unable to conduct electricity.

[0004] Therefore, there are technical problems in the existing technology that the emergency supply power system is unreliable and has low work efficiency. Content of the Utility Model

[0005] In view of this, it is necessary to provide an emergency supply control device with grid-connected and parallel-generator functions to solve the problems of unreliable emergency supply power system and low work efficiency in the existing technology.

[0006] To achieve the above object, the utility model provides an emergency supply control device with grid-connected and parallel-generator functions, including:

[0007] A power generation module, a first quick connector, a second quick connector, a low-voltage power distribution cabinet, a parallel-generator controller, and a synchronous grid-connection control box; the low-voltage power distribution cabinet includes a circuit breaker; the power generation module is electrically connected to the circuit breaker, the parallel-generator controller, and the synchronous grid-connection control box of the low-voltage power distribution cabinet through the first quick connector and the second quick connector respectively; the parallel-generator controller is used to realize the parallel connection of power generation modules of different brands, and the synchronous grid-connection control box is used to realize the synchronous grid connection of the power generation module.

[0008] Preferably, the first quick connector includes a first quick access panel socket, a first cable, and a first quick joint. One end of the first cable is connected to the first quick access panel socket, and the other end is connected to the first quick joint;

[0009] The second quick connector includes a second quick access panel socket, a second cable, and a second quick joint. One end of the second cable is connected to the second quick access panel socket, and the other end is connected to the second quick joint.

[0010] Preferably, the power generation module is powered by an emergency power supply vehicle. Each emergency power supply vehicle is respectively connected to a parallel controller and a synchronous grid connection control box; multiple emergency power supply vehicles are connected to multiple parallel controllers and multiple synchronous grid connection control boxes through a first quick connector and a second quick connector for parallel connection and grid connection.

[0011] Preferably, the power generation module is powered by an emergency power supply vehicle. Multiple emergency power supply vehicles are respectively connected to a parallel controller and a synchronous grid connection control box; multiple emergency power supply vehicles are connected through a first quick connector and a second quick connector. At the same time, multiple emergency power supply vehicles are respectively connected to the parallel controller and the synchronous grid connection control box through the first quick connector and the second quick connector for parallel connection and grid connection.

[0012] Preferably, both the first quick access panel socket and the second quick access panel socket are externally provided with a waterproof protection cover structure, which is arranged inside the power generation module and is electrically connected to the power generation module.

[0013] Preferably, the circuit breaker is electrically connected to the first quick connector of the first quick connector and is also electrically connected to the second quick connector of the second quick connector.

[0014] Preferably, both the first cable and the second cable are of a low-voltage flexible cable structure.

[0015] Preferably, both the first quick connector and the second quick connector are one or more of a busbar clamp, a quick connector for overhead lines, and a cable quick plug.

[0016] Preferably, the low-voltage power distribution cabinet further includes a user load; the user load is electrically connected to the second quick connector.

[0017] Preferably, a transformer is further included, wherein the transformer is electrically connected to the low-voltage power distribution cabinet;

[0018] The model of the transformer is: SGB11-R; the model of the circuit breaker is: DW17-3200.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] The present utility model provides an emergency power supply control device with grid connection and parallel connection functions. Through a parallel controller and a synchronous grid connection control box, it is used to solve the technical problems of unreliable power supply system and low working efficiency in the prior art. Multiple emergency power supply vehicles with different brands and capacities are networked and connected to user loads to build a temporary microgrid. During peak electricity consumption periods, the emergency power supply vehicles are connected to the city power grid, effectively sharing the burden on the line, avoiding the decline of power supply quality, providing an uninterrupted temporary power supply for large customers, greatly improving the ability of non-stop operation, and truly realizing that users do not lose power during line maintenance.

[0021] By adopting the quick connector, the emergency power supply vehicle of the present utility model can be quickly connected to the panel socket, replacing the original bolt connection method, realizing quick, safe and reliable plug-and-play connection between the emergency power supply vehicle and the user side. The quick connector adopted in this application also has a safety lock, which can complete the connection operation quickly through simple plugging and unplugging. The double crown spring type multi-point contact technology is adopted inside the connector, which can make the resistance more stable and thus reduce the power loss during transmission. After the connector is docked, it can meet the IP67 waterproof requirement and can withstand the spray of a high-pressure water gun, ensuring safe use in harsh outdoor environments.

[0022] The present utility model adopts a low-voltage flexible cable with high flame retardancy, which can meet the usage requirements of places with high flame retardancy requirements for electricity, and avoid the cable being damaged and unable to be electrified. Description of the Drawings

[0023] Figure 1 is a structural schematic diagram of the embodiment provided by the present utility model;

[0024] Figure 2 is a structural diagram of the parallel generator principle of the emergency power supply vehicle of the present utility model.

[0025] The corresponding component names for each label in the figure are as follows:

[0026] 1 - power generation module, 2 - first quick connector, 3 - second quick connector, 4 - first cable, 5 - second cable, 6 - low-voltage power distribution cabinet, 7 - first quick joint, 8 - second quick joint, 9 - circuit breaker, 10 - user load, 11 - transformer. Detailed Embodiments

[0027] To make the purpose, technical solutions and advantages of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described in this application are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the spirit of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.

[0028] The preferred embodiments of the present utility model will be specifically described below in conjunction with the accompanying drawings. The accompanying drawings form a part of this application and are used together with the embodiments of the present utility model to explain the principle of the present utility model, rather than to limit the scope of the present utility model.

[0029] As Figure 1 and Figure 2 shown, Figure 1 is a structural schematic diagram of the embodiment provided by the present utility model, Figure 2This is the structural diagram of the parallel power generation principle of the emergency power supply vehicle of the present utility model; an embodiment of the present utility model provides an emergency power supply control device with grid connection and parallel operation functions, including:

[0030] A power generation module 1, a first quick connector 2, a second quick connector 3, a low-voltage power distribution cabinet 6, a parallel operation controller, and a synchronous grid connection control box; the low-voltage power distribution cabinet 6 includes a circuit breaker 9.

[0031] The power generation module 1 is electrically connected to the circuit breaker 9, the parallel operation controller, and the synchronous grid connection control box of the low-voltage power distribution cabinet 6 through the first quick connector 2 and the second quick connector 3 respectively. The parallel operation controller is used to realize the parallel operation of power generation modules of different brands, which can effectively improve multiple power generation modules; the synchronous grid connection control box is used to realize the synchronous grid connection of the power generation module.

[0032] The first quick connector 2 includes a first quick access panel socket (not shown in the figure), a first cable 4, and a first quick joint 7. One end of the first cable 4 is connected to the first quick access panel socket, and the other end is connected to the first quick joint 7. The first quick access panel socket is arranged inside the power generation module 1 and is electrically connected to the power generation module 1. A waterproof protection cover is arranged outside the first quick access panel socket; the first cable 4 is a multi-point contact structure; when in use, the waterproof protection cover can be turned upwards. After the first cable 4 is connected to the quick access panel socket, the waterproof protection cover covers the connection between the two, ensuring stable resistance and meeting the IP67 waterproof requirement.

[0033] The structure of the second quick connector 3 is the same as that of the first quick connector 2, including a second quick access panel socket (not shown in the figure), a second cable 5, and a second quick joint 8. One end of the second cable 5 is connected to the second quick access panel socket, and the other end is connected to the second quick joint 8. The second quick access panel socket is arranged inside the power generation module 1 and is electrically connected to the power generation module 1. A waterproof protection cover is arranged outside the second quick access panel socket; the second cable 5 is a multi-point contact structure; when in use, the waterproof protection cover can be turned upwards. After the second cable 5 is connected to the quick access panel socket, the waterproof protection cover covers the connection between the two, ensuring stable resistance and meeting the IP67 waterproof requirement.

[0034] The circuit breaker 9 is electrically connected to the first quick joint 7 of the first quick connector 2 and is also electrically connected to the second quick joint 8 of the second quick connector 3.

[0035] The power generation module 1 is electrically connected to the first quick access panel socket. The first quick access panel socket is electrically connected to the first quick joint 7 through the first cable 4, and the first quick joint 7 is electrically connected to the low-voltage power distribution cabinet 6;

[0036] The power generation module 1 is also electrically connected to the second quick access panel socket, which is electrically connected to the second quick connector 8 through the second cable 5, and the second quick connector 8 is electrically connected to the low-voltage power distribution cabinet 6.

[0037] When the user load is large and one emergency power vehicle cannot meet the requirements, multiple emergency power vehicles can be networked through parallel operation. Emergency power vehicles with different brands and capacities can be networked and connected to the user load to build a temporary microgrid, providing an uninterrupted temporary power supply for large customers, greatly improving the ability of non-stop operation, and truly realizing no power outage for users during line maintenance.

[0038] In a preferred but non-limiting embodiment of the present invention, the power generation module 1 is powered by an emergency power vehicle. Each emergency power vehicle is respectively connected to a parallel operation controller and a synchronous grid connection control box. Multiple emergency power vehicles are connected to multiple parallel operation controllers and multiple synchronous grid connection control boxes through the first quick connector and the second quick connector for parallel operation and grid connection. The parallel operation controller and the synchronous grid connection control box connected to the first emergency power vehicle are connected to the parallel operation controller and the synchronous grid connection control box connected to the next emergency power vehicle through the first quick connector or the second quick connector, and the first and the last emergency power vehicles are respectively connected to the low-voltage power distribution cabinet.

[0039] In a preferred but non-limiting embodiment of the present invention, the power generation module 1 is powered by an emergency power vehicle. Multiple emergency power vehicles are respectively connected to a parallel operation controller and a synchronous grid connection control box. Multiple emergency power vehicles are connected through the first quick connector and the second quick connector. At the same time, multiple emergency power vehicles are connected to the parallel operation controller and the synchronous grid connection control box through the first quick connector and the second quick connector for parallel operation and grid connection. The first emergency power vehicle is connected to the next emergency power vehicle through the first quick connector or the second quick connector, and the first and the last emergency power vehicles are respectively connected to the low-voltage power distribution cabinet. At the same time, each emergency power vehicle is respectively connected to the parallel operation controller and the synchronous grid connection control box through the first quick connector and the second quick connector.

[0040] When unexpected situations such as natural disasters occur, the emergency power vehicle is connected to the reserved quick access plugs of residential buildings, ring main units, etc. to achieve quick power restoration. When the mains power is restored, through the grid connection switching operation between the mains power and the emergency power vehicle, the emergency power vehicle exits without feeling, and there will be no secondary power outage on the user side.

[0041] It can be understood that the present utility model mainly proposes an emergency power supply control device with grid connection and parallel operation functions. By adopting the first quick connector 2 and the second quick connector 3, the emergency power supply vehicle can be quickly connected to the panel socket, replacing the original bolt connection method, realizing quick, safe and reliable plug-and-play connection between the emergency power supply vehicle and the user side. The first quick connector 2 and the second quick connector 3 adopted in this application also have safety latches, which can complete the connection operation quickly through simple plugging and unplugging. The double crown spring type multi-point contact technology is adopted inside the connector, which can make the resistance more stable, thereby reducing the power loss during transmission. After the connectors are docked, they can meet the IP67 waterproof requirement and can withstand the spraying of high-pressure water guns, ensuring safe use in harsh outdoor environments, and thus also helping to solve the technical problems of unreliable power supply and low working efficiency existing in the prior art.

[0042] It can be understood that the emergency power supply vehicle used in the present utility model has the function of synchronous grid connection, which improves the reliability of power supply. During the peak electricity consumption period, the emergency power supply vehicle is connected to the commercial power grid, which can effectively share the burden on the line and avoid the decline of power supply quality.

[0043] In a preferred but non-limiting embodiment of the present utility model, both the first cable 4 and the second cable 5 are of low-voltage flexible cable structures.

[0044] It can be understood that the low-voltage flexible cable adopted in the present utility model has the characteristic of high cable flame retardancy. The internal structure of common cables is generally composed of single-strand or multi-strand wire cores and insulating layers, and has multiple groups of wires. Each group of wires is insulated from each other and is often twisted around a center, and the whole is wrapped with a highly insulating covering layer. Cables have the characteristics of conducting electricity inside and being insulated outside. The existing cables' flame retardant ability cannot meet the use requirements of some high flame retardant requirement places. In case of a fire, it is easy to cause damage to the cables, resulting in the cables being unable to conduct electricity. Therefore, the present utility model specifically adopts low-voltage flexible cables to meet the use requirements of places with high power flame retardant requirements.

[0045] In a preferred but non-limiting embodiment of the present utility model, the first quick joint 7 and the second quick joint 8 are one or more of busbar clamps, quick connectors for overhead lines, and cable quick plugs.

[0046] In a preferred but non-limiting embodiment of the present utility model, the emergency power supply control device further includes: a transformer 11, and the transformer 11 is electrically connected to the low-voltage power distribution cabinet 6.

[0047] In a preferred but non-limiting embodiment of the present utility model, the low-voltage power distribution cabinet 6 further includes: a user load 10; the user load 10 is electrically connected to the second quick joint 8.

[0048] In a preferred but non-limiting embodiment of the present utility model, the model of the transformer 11 is: SGB11-R.

[0049] In a preferred but non-limiting embodiment of the present utility model, the model of the circuit breaker 9 is: DW17-3200.

[0050] In a preferred but non-limiting embodiment of the present utility model, the parallel operation controller adopts the IG4200 model of ComAp, and the synchronous grid connection control box adopts the IM210 model of ComAp.

[0051] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed by the present utility model should be covered within the protection scope of the present utility model.

Claims

1. An emergency power supply control device with grid connection and parallel operation functions, characterized in that Comprising: A power generation module (1), a first quick connector (2), a second quick connector (3), a low-voltage power distribution cabinet (6), a parallel operation controller, and a synchronization and grid connection control box; the low-voltage power distribution cabinet (6) includes a circuit breaker (9); the power generation module (1) is electrically connected to the circuit breaker (9), the parallel operation controller, and the synchronization and grid connection control box of the low-voltage power distribution cabinet (6) respectively through the first quick connector (2) and the second quick connector (3); the parallel operation controller is used to realize the parallel operation of power generation modules of different brands, and the synchronization and grid connection control box is used to realize the synchronous grid connection of the power generation module.

2. The emergency power supply control device with grid connection and parallel operation functions according to claim 1, characterized in that: The first quick connector (2) includes a first quick access panel socket, a first cable (4), and a first quick joint (7), one end of the first cable (4) is connected to the first quick access panel socket, and the other end is connected to the first quick joint (7); The second quick connector (3) includes a second quick access panel socket, a second cable (5), and a second quick joint (8), one end of the second cable (5) is connected to the second quick access panel socket, and the other end is connected to the second quick joint (8).

3. The emergency power supply control device with grid connection and parallel operation functions according to claim 1, characterized in that: The power generation module (1) is powered by an emergency power supply vehicle, and each emergency power supply vehicle is respectively connected to a parallel operation controller and a synchronization and grid connection control box; multiple emergency power supply vehicles are connected to multiple parallel operation controllers and multiple synchronization and grid connection control boxes through the first quick connector (2) and the second quick connector (3) for parallel operation and grid connection.

4. The emergency power supply control device with grid connection and parallel operation functions according to claim 1, characterized in that: The power generation module (1) is powered by an emergency power supply vehicle, and multiple emergency power supply vehicles are respectively connected to a parallel operation controller and a synchronization and grid connection control box; multiple emergency power supply vehicles are connected through the first quick connector (2) and the second quick connector (3), and at the same time, multiple emergency power supply vehicles are respectively connected to the parallel operation controller and the synchronization and grid connection control box through the first quick connector (2) and the second quick connector (3) for parallel operation and grid connection.

5. The emergency power supply control device with grid connection and parallel operation functions according to claim 2, characterized in that: Both the first quick access panel socket and the second quick access panel socket are externally provided with a waterproof protection cover structure, which is arranged inside the power generation module (1) and is electrically connected to the power generation module (1).

6. The emergency power supply control device with grid connection and parallel operation functions according to claim 2, characterized in that: The circuit breaker (9) is electrically connected to the first quick joint (7) of the first quick connector (2) and is also electrically connected to the second quick joint (8) of the second quick connector (3).

7. The emergency power supply control device with grid connection and parallel operation functions according to claim 2, characterized in that: Both the first cable (4) and the second cable (5) are of a low-voltage flexible cable structure.

8. The emergency power supply control device with grid connection and parallel operation functions according to claim 2, characterized in that: The first quick connector (7) and the second quick connector (8) are one or more of a busbar clamp, a quick connector for an overhead line, and a quick cable plug.

9. The emergency power supply control device with grid connection and parallel operation functions according to claim 2, characterized in that: The low-voltage power distribution cabinet (6) further includes a user load (10); the user load (10) is electrically connected to the second quick connector (8).

10. The emergency power supply control device with grid connection and parallel operation functions according to claim 2, characterized in that: It further includes a transformer (11), wherein the transformer is electrically connected to the low-voltage power distribution cabinet (6); The model of the transformer (11) is: SGB11-R; the model of the circuit breaker (9) is: DW17-3200.

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