Power distribution cabinet device capable of automatically switching dual power supplies

Abstract

The utility model provides a dual-power-supply automatic switching power distribution cabinet device, and relates to the field of power distribution cabinets, and the dual-power-supply automatic switching power distribution cabinet device comprises a dual-power-supply switching cabinet, a first standby power supply power distribution cabinet, a second standby power supply power distribution cabinet, and a plurality of groups of fire pump power distribution cabinets. A plurality of dual-power-supply automatic change-over switches are arranged in the dual-power-supply switching cabinet, and first circuit breakers and standby power supplies are arranged in the first standby power supply power distribution cabinet and the second standby power supply power distribution cabinet. And when the main power supply and the mains supply are recovered, the interior of the dual-power-supply switching cabinet acts again, the standby power supply is disconnected, the main power supply is switched on, and the mains supply firstly flows to the dual-power-supply switching cabinet from the main power supply and then flows to the fire pump power distribution cabinet.

Description

Technical Field

[0001] The present application relates to the field of power distribution cabinets, and in particular to a power distribution cabinet device with automatic dual power supply switching. Background Art

[0002] The rated current of the low-voltage distribution cabinet is AC 50Hz, and the rated voltage is 380v. The distribution system is used for power, lighting and power distribution. The product has the characteristics of strong breaking capacity, good dynamic thermal stability, flexible electrical scheme, convenient combination, strong series and practicality, and novel structure. When the existing distribution cabinet is used for fire protection, it cannot be automatically switched, and there is a certain risk of failure to start. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide a distribution cabinet device with automatic dual power supply switching, which can solve the above-mentioned technical problems.

[0004] An embodiment of the present application provides a dual-power automatic switching distribution cabinet device, including a dual-power switching cabinet, a first backup power distribution cabinet, a second backup power distribution cabinet, and multiple groups of fire water pump distribution cabinets, wherein the dual-power switching cabinet is provided with multiple dual-power automatic switching switches, the first backup power distribution cabinet and the second backup power distribution cabinet are provided with a first circuit breaker and a backup power supply, the backup power supply is electrically connected to the dual-power automatic switching switch through the first circuit breaker, the fire water pump distribution cabinet is provided with a second circuit breaker, a main power supply and a soft starter, the second circuit breaker is electrically connected to the dual-power automatic switching switch, the dual-power automatic switching switch is electrically connected to the soft starter, the soft starter is externally connected to a fire water pump, and the main power supply is electrically connected to the second circuit breaker.

[0005] Preferably, the number of the dual power automatic switching switches is consistent with the number of the fire water pump distribution cabinets.

[0006] Preferably, the main power supply and the backup power supply are UPS power supplies.

[0007] Preferably, an insulating partition is provided between two adjacent dual power automatic switching switches.

[0008] Preferably, the model of the dual power automatic switching switch is WATSG-630 / 3P.

[0009] Beneficial effects of the utility model:

[0010] The utility model provides a dual-power automatic switching power distribution cabinet device, including a dual-power switching cabinet, a first backup power distribution cabinet, a second backup power distribution cabinet, and multiple groups of fire water pump distribution cabinets. The dual-power switching cabinet is provided with multiple dual-power automatic switching switches. The first backup power distribution cabinet and the second backup power distribution cabinet are provided with a first circuit breaker and a backup power supply. The backup power supply is electrically connected to the dual-power automatic switching switch through the first circuit breaker. The fire water pump distribution cabinet is provided with a second circuit breaker, a main power supply and a soft starter. The second circuit breaker is electrically connected to the dual power automatic switching switch, the dual power automatic switching switch is electrically connected to the soft starter, the soft starter is externally connected to a fire water pump, the main power supply is electrically connected to the second circuit breaker, the utility model's mains power is first from the backup power supply to the dual power switching cabinet and then to the fire water pump distribution cabinet, to ensure the normal operation of the fire water pump, when the main power supply is restored, the dual power switching cabinet operates again to disconnect the backup power supply and put into the main power supply, the mains power is first from the main power supply to the dual power switching cabinet and then to the fire water pump distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 This is a circuit framework diagram of the utility model;

[0013] Figure 2 This is the front view of the dual power switching cabinet of the utility model.

[0014] The reference numerals are:

[0015] 1. Dual power switching cabinet; 2. First backup power distribution cabinet; 3. Second backup power distribution cabinet; 4. Fire pump distribution cabinet; 5. Dual power automatic switching switch; 6. First circuit breaker; 7. Backup power supply; 8. Second circuit breaker; 9. Main power supply; 10. Soft starter; 11. Fire pump; 12. Insulating partition. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0018] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0019] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0020] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0021] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] like Figure 1-2As shown, a dual power automatic switching distribution cabinet device includes a dual power switching cabinet 1, a first backup power distribution cabinet 2, a second backup power distribution cabinet 3, and multiple fire water pump distribution cabinets 4. The dual power switching cabinet 1 is provided with multiple dual power automatic switching switches 5. The first backup power distribution cabinet 2 and the second backup power distribution cabinet 3 are provided with a first circuit breaker 6 and a backup power supply 7. The backup power supply 7 is electrically connected to the dual power automatic switching switch 5 through the first circuit breaker 6. The fire water pump distribution cabinet 4 is provided with a second circuit breaker 8, a main power supply 9 and a soft starter 10. The second circuit breaker 8 is electrically connected to the dual power automatic switching switch 5, the dual power automatic switching switch 5 is electrically connected to the soft starter 10, the soft starter 10 is externally connected to a fire water pump 11, the main power supply 9 is electrically connected to the second circuit breaker 8, the utility model's mains power is first from the backup power supply 7 to the dual power switching cabinet 1 and then to the fire water pump distribution cabinet 4, to ensure the normal operation of the fire water pump 11, when the main power supply 9 is restored, the dual power switching cabinet 1 operates again, disconnects the backup power supply 7, and puts the main power supply 9 into operation, the mains power is first from the main power supply 9 to the dual power switching cabinet 1 and then to the fire water pump distribution cabinet 4.

[0023] In this embodiment, the number of the dual power automatic switching switches 5 is consistent with the number of the fire water pump distribution cabinets 4. The utility model preferentially uses the main power supply 9 for power supply. When the main power supply 9 is powered off, the backup power supply 7 is used for power supply. When the main power supply 9 is powered normally, the backup power supply 7 is cut off and the main power supply 9 is used for power supply.

[0024] In this embodiment, an insulating partition 12 is provided between two adjacent dual-power automatic switching switches 5 , and the insulating partition 12 can ensure the safety of the dual-power automatic switching switches 5 .

[0025] In this embodiment, the model of the dual power automatic switching switch 5 is WATSG-630 / 3P.

[0026] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dual power supply automatic switching power distribution cabinet device, characterized in that: It includes a dual power switching cabinet, a first backup power distribution cabinet, a second backup power distribution cabinet, and multiple groups of fire water pump distribution cabinets. The dual power switching cabinet is equipped with multiple dual power automatic switching switches. The first backup power distribution cabinet and the second backup power distribution cabinet are equipped with a first circuit breaker and a backup power supply. The backup power supply is electrically connected to the dual power automatic switching switch through the first circuit breaker. The fire water pump distribution cabinet is equipped with a second circuit breaker, a main power supply and a soft starter. The second circuit breaker is electrically connected to the dual power automatic switching switch. The dual power automatic switching switch is electrically connected to the soft starter. The soft starter is externally connected to a fire water pump, and the main power supply is electrically connected to the second circuit breaker.

2. A dual power supply automatic switching power distribution cabinet device according to claim 1, characterized in that: The number of the dual power automatic switching switches is consistent with the number of the fire water pump distribution cabinets.

3. A dual power supply automatic switching power distribution cabinet device according to claim 1, characterized in that: An insulating partition is arranged between two adjacent dual-power automatic switching switches.

4. A dual power supply automatic switching power distribution cabinet device according to claim 1, characterized in that: The model of the dual power automatic switch is WATSG-630 / 3P.

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