CN216599096U

CN216599096U - Standby power box with double-power input

Info

Publication number: CN216599096U
Application number: CN202122642995.XU
Authority: CN
Inventors: 崔健; 董海涛; 王树森; 梁波
Original assignee: Qingdao Eastsoft Communication Technology Co Ltd
Current assignee: Qingdao Eastsoft Communication Technology Co Ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-24
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a standby power box with double power input, which belongs to the technical field of distribution boxes and comprises a box body, and a solar controller, an inverter, a first alternating current miniature circuit breaker, a second alternating current miniature circuit breaker, a first direct current miniature circuit breaker, a second direct current miniature circuit breaker, a double power supply change-over switch, a solar photovoltaic panel and a storage battery which are respectively arranged in the box body, wherein the output ends of the solar photovoltaic panel and the storage battery are respectively and electrically connected with the input end of the solar controller through the first direct current miniature circuit breaker and the second direct current miniature circuit breaker, the output end of the solar controller is electrically connected with the input end of the inverter, when an alternating current power supply provided by a power grid is in power failure, the double power supply change-over switch is automatically switched to the standby power supply side, and the storage battery is adopted to provide power for continuous power supply, thereby ensuring the normal operation of the production equipment.

Description

Standby power box with double-power input

Technical Field

The utility model belongs to the technical field of distribution boxes, and particularly relates to a standby power box with dual-power input.

Background

The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. The important place that does not allow to have a power failure need use dual supply block terminal, and dual supply block terminal has common power supply and stand-by power supply, is provided with dual supply change over switch in the dual supply block terminal, and when common power supply had a power failure because of the accident, dual supply change over switch automatic switch over to stand-by power supply to realize uninterrupted power supply.

At present, the power supply mode of a domestic electric energy meter and a power supply of a collection terminal is that a high-voltage side PT secondary winding supplies power or a low-voltage side alternating current busbar supplies power, the voltage grade is generally AC220V, the power supply mode is single, and a standby power supply loop is not provided.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above deficiencies, the utility model provides a standby power box with dual power input, and aims to solve the problems that the power supply mode of the power supply of the existing electric energy meter and the acquisition terminal is that a high-voltage side PT secondary winding supplies power or a low-voltage side alternating current bus supplies power, the voltage grade is generally AC220V, the power supply mode is single, and no standby power circuit exists.

The utility model is realized in the following way:

a standby power box with dual power input comprises a box body, and a solar controller, an inverter, a first alternating current miniature circuit breaker, a second alternating current miniature circuit breaker, a first direct current miniature circuit breaker, a second direct current miniature circuit breaker, a dual power supply change-over switch, a solar photovoltaic panel and a storage battery which are respectively arranged in the box body, wherein the output ends of the solar photovoltaic panel and the storage battery are respectively and electrically connected with the input end of the solar controller through the first direct current miniature circuit breaker and the second direct current miniature circuit breaker, the output end of the solar controller is electrically connected with the input end of the inverter, the output end of the inverter is electrically connected with the 2 nd end of the dual power supply change-over switch, the 1 st end of the dual power supply change-over switch is electrically connected with a mains supply power transmission line through the first alternating current miniature circuit breaker, and the 3 rd end of the dual-power-supply change-over switch is electrically connected with the input end of the production equipment through the second alternating-current miniature circuit breaker.

In an embodiment of the utility model, a standby power indicator, a power grid indicator and a common power indicator are respectively installed on the front side of the box body.

In one embodiment of the utility model, a door lock is mounted on the front side of the cabinet.

In an embodiment of the utility model, a wall-mounted mounting hole is formed at the bottom of the box body.

In one embodiment of the utility model, the interior of the dual power supply changeover switch comprises a first relay, a second relay, a third relay, a fourth relay and a conductive coil, wherein a pin 32 of the third relay and a pin 42 of the fourth relay are respectively and electrically connected with a pin 12 of the first relay and a pin 22 of the second relay, and a pin A1 and a pin A2 of the conductive coil are respectively and electrically connected with a pin 11 of the first relay and a pin 21 of the second relay.

In one embodiment of the utility model, the dual power transfer switch is powered using AC 220V.

Compared with the prior art, the utility model has the beneficial effects that: the stand-by power supply adopts the clean energy of solar photovoltaic board electricity generation, and passes through the solar control ware with solar photovoltaic board generated energy and store in the battery down under the effect, and when the alternating current power supply that the electric wire netting provided had a power failure, dual power transfer switch automatic switch-over to stand-by power supply side adopts the battery to provide the power and continuously supplies power to production facility can normal operating have been guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a front view of a housing of a standby power box with dual power inputs according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a case of a standby power box with dual power inputs according to an embodiment of the present invention;

FIG. 3 is a schematic circuit diagram of a standby power box with dual power inputs according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a dual power transfer switch circuit of a standby power box with dual power inputs according to an embodiment of the present invention.

Description of reference numerals: 1000. a standby power box; 110. a box body; 111. a standby power supply indicator light; 112. a power grid indicator light; 113. a common power indicator light; 114. a door lock; 115. a wall-mounted mounting hole; 120. a solar controller; 130. an inverter; 140. a first ac miniature circuit breaker; 150. a second ac miniature circuit breaker; 160. a first direct current miniature circuit breaker; 170. a second direct current miniature circuit breaker; 180. a dual power transfer switch; 181. a1 st end; 182. a2 nd end; 183. a 3 rd end; 184. a first relay; 185. a second relay; 186. a third relay; 187. a fourth relay; 188. a conductive coil; 190. a solar photovoltaic panel; 191. and (4) a storage battery.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

Referring to the attached drawings 1-4, the utility model provides a technical scheme: a standby power box with dual power input comprises a box body 110, a solar controller 120, an inverter 130, a first alternating current miniature circuit breaker 140, a second alternating current miniature circuit breaker 150, a first direct current miniature circuit breaker 160, a second direct current miniature circuit breaker 170, a dual power transfer switch 180, a solar photovoltaic panel 190 and a storage battery 191 which are respectively arranged in the box body 110, wherein the output ends of the solar photovoltaic panel 190 and the storage battery 191 are respectively and electrically connected with the input end of the solar controller 120 through the first direct current miniature circuit breaker 160 and the second direct current miniature circuit breaker 170, the output end of the solar controller 120 is electrically connected with the input end of the inverter 130, the output end of the inverter 130 is electrically connected with the 2 nd end 182 of the dual power transfer switch 180, the 1 st end 181 of the dual power transfer switch 180 is electrically connected with a commercial power transmission line through the first alternating current miniature circuit breaker 140, the 3 rd terminal 183 of the dual power supply changeover switch 180 is electrically connected to the input terminal of the production equipment through the second ac miniature circuit breaker 150.

In this embodiment, the standby power supply adopts clean energy generated by the solar photovoltaic panel 190, and the generated energy of the solar photovoltaic panel 190 is stored in the storage battery 191 under the action of the solar controller 120, when the alternating current power supply provided by the power grid fails, the dual power supply switch 180 automatically switches to the standby power supply side, and the storage battery 191 is adopted to provide power for continuous power supply, so that the normal operation of the production equipment is ensured.

Further, as an embodiment of the present invention, a standby power indicator 111, a grid indicator 112, and a general power indicator 113 are respectively installed at the front side of the box body 110. Under a normal working state, the power box adopts a power grid power supply to supply power, the common power indicator light 113 and the power grid indicator light 112 are always on, and the standby power indicator light 111 is not on; when the power grid has a power failure, the dual-power-supply changeover switch 180 is switched to the standby power supply side for supplying power, at the moment, the common power supply indicator light 113 and the standby power supply indicator light 111 are constantly on, and the power grid indicator light 112 is not on; when the solar panel is not favorable for power generation and the storage battery 191 is exhausted, no power is input at the moment, and the standby power indicator 111, the power grid indicator 112 and the common power indicator 113 are all not turned on.

Further, as an embodiment of the present invention, a door lock 114 is installed at a front side of the cabinet 110. The door lock 114 can prevent strangers from opening the standby power box 1000 at will, thereby avoiding the occurrence of electric shock hazard.

As an embodiment of the present invention, a wall-hanging mounting hole 115 is further formed at the bottom of the box body 110. The wall-mounted mounting holes 115 can be mounted on a wall and can also be mounted by adopting a mounting bracket hoop, so that the mounting efficiency is improved.

As an embodiment of the present invention, further, the dual power supply changeover switch 180 includes a first relay 184, a second relay 185, a third relay 186, a fourth relay 187, and a conductive coil 188 inside, a pin 32 of the third relay 186 and a pin 42 of the fourth relay 187 are electrically connected to a pin 12 of the first relay 184 and a pin 18522 of the second relay, respectively, and a pin a1 and a pin a2 of the conductive coil 188 are electrically connected to a pin 11 of the first relay 184 and a pin 18521 of the second relay, respectively.

In this embodiment, when the grid power supply is electrified, the conductive coil 188 is electrified, the contacts of the first relay 184 and the second relay 185 are closed, the contacts of the third relay 186 and the fourth relay 187 are opened, and the output power is the grid power supply. When the power of the power grid is cut off, the conductive coil 188 is powered off, the contacts of the first relay 184 and the second relay 185 are opened, the contacts of the third relay 186 and the fourth relay 187 are closed, and the output power is standby power. The voltage supplied to conductive coil 188 is AC220V, and when the power of the mains power line is cut off, the power of conductive coil 188 is switched to the standby power.

Further, as an embodiment of the present invention, dual power transfer switch 180 is powered using AC 220V.

Specifically, this standby power box 1000 with dual power input's theory of operation: in use, when the grid power is normally transmitted through the mains power line, the conductive coil 188 is energized, the contacts of the first relay 184 and the second relay 185 are closed, the contacts of the third relay 186 and the fourth relay 187 are opened, and the second dc miniature circuit breaker 170 is closed, so that the grid power can be transmitted to the production equipment; when the power of the power grid is cut off, the conductive coil 188 is powered off, the contacts of the first relay 184 and the second relay 185 are opened, the contacts of the third relay 186 and the fourth relay 187 are closed, the second direct current miniature circuit breaker 170 is closed, the solar controller 120 closes the second direct current miniature circuit breaker 170, the standby power is transmitted to the inverter 130 through the solar controller 120, the inverter 130 converts the standby power into AC220V at the moment, and finally the standby power is transmitted through the double-power-supply changeover switch 180 and the second direct current miniature circuit breaker 170 production equipment.

It should be noted that the model specifications of the standby power indicator 111, the grid indicator 112, the common power indicator 113, the solar controller 120, the inverter 130, the first ac miniature circuit breaker 140, the second ac miniature circuit breaker 150, the first dc miniature circuit breaker 160, the second dc miniature circuit breaker 170, the dual power supply change-over switch 180, the first relay 184, the second relay 185, the third relay 186, the fourth relay 187, the conductive coil 188, the solar photovoltaic panel 190, and the storage battery 191 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply and the principle of the standby power indicator 111, the grid indicator 112, the general power indicator 113, the solar controller 120, the inverter 130, the first ac miniature circuit breaker 140, the second ac miniature circuit breaker 150, the first dc miniature circuit breaker 160, the second dc miniature circuit breaker 170, the dual power source change-over switch 180, the first relay 184, the second relay 185, the third relay 186, the fourth relay 187, the conductive coil 188, the solar photovoltaic panel 190 and the storage battery 191 are clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The standby power supply box with double power input is characterized in that the standby power supply box (1000) comprises a box body (110), and a solar controller (120), an inverter (130), a first alternating-current miniature circuit breaker (140), a second alternating-current miniature circuit breaker (150), a first direct-current miniature circuit breaker (160), a second direct-current miniature circuit breaker (170), a double-power-supply change-over switch (180), a solar photovoltaic panel (190) and a storage battery (191) which are respectively arranged in the box body (110), the output ends of the solar photovoltaic panel (190) and the storage battery (191) are respectively and electrically connected with the input end of the solar controller (120) through the first direct-current miniature circuit breaker (160) and the second direct-current miniature circuit breaker (170), and the output end of the solar controller (120) is electrically connected with the input end of the inverter (130), the output end of the inverter (130) is electrically connected with the 2 nd end (182) of the dual-power-supply changeover switch (180), the 1 st end (181) of the dual-power-supply changeover switch (180) is electrically connected with a commercial power transmission line through the first alternating-current miniature circuit breaker (140), and the 3 rd end (183) of the dual-power-supply changeover switch (180) is electrically connected with the input end of production equipment through the second alternating-current miniature circuit breaker (150).

2. The standby power supply box with double power supply input of claim 1, wherein the front side of the box body (110) is respectively provided with a standby power supply indicator lamp (111), a power grid indicator lamp (112) and a common power supply indicator lamp (113).

3. The standby power box with dual power input of claim 1, wherein a door lock (114) is installed at the front side of the box body (110).

4. The standby power box with the dual power input function as claimed in claim 1, wherein a wall-mounted mounting hole (115) is formed at the bottom of the box body (110).

5. The standby power box with the dual power input of claim 1, wherein the interior of the dual power switch (180) comprises a first relay (184), a second relay (185), a third relay (186) and a fourth relay (187), and a conductive coil (188), wherein the pin 32 of the third relay (186) and the pin 42 of the fourth relay (187) are electrically connected with the pin 12 of the first relay (184) and the pin 22 of the second relay (185), respectively, and the pin A1 and the pin A2 of the conductive coil (188) are electrically connected with the pin 11 of the first relay (184) and the pin 21 of the second relay (185), respectively.

6. The standby power box with dual power inputs of claim 1 or 5, characterized in that the dual power switch (180) is powered by AC 220V.