CN212627306U

CN212627306U - Dual-power continuous power supply system

Info

Publication number: CN212627306U
Application number: CN202021480913.5U
Authority: CN
Inventors: 唐亮; 王家油; 李茂宏; 梁小朋; 吕校嶙; 陈苗
Original assignee: Chongqing Yuantong Electrical Appliance Equipment Mfg Co ltd
Current assignee: Chongqing Yuantong Electrical Appliance Equipment Mfg Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-02-26
Anticipated expiration: 2030-07-24

Abstract

The utility model provides a dual-power continuous power supply system, which comprises a box body and an external power supply, wherein a standby power supply, an automatic transfer switch and a circuit breaker are arranged in the box body, the external power supply supplies power to a load end by connecting the automatic transfer switch, when the automatic transfer switch is switched to the standby power supply, the standby power supply supplies power to the load end, one end of the standby power supply is connected with a power input end of the circuit breaker, a power output end of the circuit breaker is connected with the load end, the side surface of the box body is provided with a power input port for connecting with the external power supply and a power output port for connecting with the load end, the utility model realizes continuous power supply to the load end by using the standby power supply when the external power supply fails by arranging the automatic transfer switch, when the automatic transfer switch fails, the standby power supply and the load end form a passage and supply power to the automatic transfer switch by controlling the circuit breaker, further ensuring the continuous power supply of the load end.

Description

Dual-power continuous power supply system

Technical Field

The utility model relates to a dual power supply field, concretely relates to dual power lasts power supply system.

Background

At present, double power supplies are taken as a common double-insurance scheme, when the mains supply, namely a common power supply, goes wrong, a system can be switched to a standby power supply to continuously supply power to a load so as to avoid the damage to equipment and a person caused by sudden power failure, but the existing double power supply technology has certain unreliable risk, namely, the continuous power supply cannot be ensured under the condition that a double power switch is damaged, and therefore, a new technology is urgently needed to solve the technical problem existing in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the embodiment of the utility model provides a dual supply lasts power supply system, including box and external power supply, be equipped with stand-by power supply, automatic transfer switch and circuit breaker in the box, external power supply supplies power to the load end through connecting automatic transfer switch, automatic transfer switch over extremely during stand-by power supply, the stand-by power supply supplies power to the load end.

Furthermore, one end of the standby power supply is connected with the power supply access end of the circuit breaker, and the power supply output end of the circuit breaker is connected with the load end.

Further, the automatic change-over switch is a TBBQ3 type controller.

Further, the circuit breaker is a molded case circuit breaker.

Further, the model of the circuit breaker is MB 30M.

Furthermore, the side of the box body is provided with a power supply access port used for being connected with an external power supply, and is also provided with a power supply output port used for being connected with a load end.

Furthermore, the bottom of the box body is provided with universal wheels.

The utility model has the advantages that:

(1) the utility model realizes continuous power supply to the load end by using the standby power supply when the external power supply fails by arranging the automatic change-over switch;

(2) when the automatic change-over switch has problems, the standby power supply and the load end form a passage and supply power through controlling the circuit breaker, so that the continuous power supply of the load end is further ensured;

(2) the utility model discloses a set up the universal wheel bottom the box, make the utility model discloses portable to different job scene to improve this utility model's adaptability.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a circuit diagram of a dual power supply system in an embodiment of the present invention.

Fig. 2 is a box structure diagram of a dual power supply system in an embodiment of the present invention.

Description of the drawings: 10-box body, 11-power supply inlet, 12-power supply outlet, 13-universal wheel, 20-external power supply, 30-standby power supply, 40-automatic change-over switch, 50-circuit breaker and 60-load end.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1-2, fig. 1 is a circuit diagram of a dual power supply continuous power supply system in an embodiment of the present invention, the power supply system includes a box 10 and an external power supply 20, a standby power supply 30, an automatic transfer switch 40 and a circuit breaker 50 are disposed in the box 10, the external power supply 20 supplies power to a load terminal 60 by connecting the automatic transfer switch 40, and when the automatic transfer switch 40 is switched to the standby power supply 30, the standby power supply 30 supplies power to the load terminal 60.

In some preferred embodiments, one end of the backup power source 30 is connected to the power input terminal of the circuit breaker 50, and the power output terminal of the circuit breaker 50 is connected to the load terminal 60.

In certain preferred embodiments, the automatic transfer switch 40 is a TBBQ3 type controller.

In some preferred embodiments, the circuit breaker 50 is a molded case circuit breaker.

In certain preferred embodiments, the circuit breaker 50 is model MB 30M.

In some preferred embodiments, the side of the box 10 is provided with a power inlet 11 for connecting with the external power source 20, and a power outlet 12 for connecting with the load end 60.

In certain preferred embodiments, the bottom of the housing 10 is provided with universal wheels 13.

The utility model discloses a theory of operation is: under the normal working condition of the automatic change-over switch 40, switching is performed between the external power supply 20 and the standby power supply 30, specifically, when the external power supply 20 (i.e. the commercial power) is normally powered, the automatic change-over switch 40 is switched to the external power supply 20, and the external power supply 20 and the load end 60 form a passage and supply power to the load end 60; when the external power supply 20 fails, the automatic transfer switch 40 is switched to the backup power supply 30, and at this time, the backup power supply 30 and the load terminal 60 form a path and supply power to the load terminal 60;

when the automatic transfer switch 40 fails due to a fault, the standby power supply 30 supplies power to the load end 60, specifically, the circuit breaker 50 is switched to a closed state from an open state, so that the standby power supply 30 and the load end 60 form a passage to supply power to the load end 60, continuous and stable power supply to the load end 60 is ensured, and the safety of an electric appliance and a person is guaranteed.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims

1. The utility model provides a dual supply power system that lasts, includes box (10) and external power supply (20), its characterized in that: be equipped with stand-by power supply (30), automatic transfer switch (40) and circuit breaker (50) in box (10), external power supply (20) are through connecting automatic transfer switch (40) to load end (60) power supply, automatic transfer switch (40) switch over to during stand-by power supply (30), stand-by power supply (30) are to load end (60) power supply.

2. The dual power continuous supply system of claim 1, wherein: stand-by power supply (30) one end with the power incoming end of circuit breaker (50) links to each other, the power output of circuit breaker (50) links to each other with load end (60).

3. The dual power continuous supply system of claim 2, wherein: the automatic change-over switch (40) is a TBBQ3 type controller.

4. The dual power continuous supply system of claim 2, wherein: the circuit breaker (50) is a molded case circuit breaker.

5. The dual power continuous supply system of claim 4, wherein: the circuit breaker (50) is model MB 30M.

6. The dual power continuous supply system of claim 1, wherein: the side of the box body (10) is provided with a power supply access port (11) used for being connected with an external power supply (20), and is also provided with a power supply output port (12) used for being connected with a load end (60).

7. The dual power continuous supply system of claim 1, wherein: the bottom of the box body (10) is provided with universal wheels (13).