CN211046558U

CN211046558U - Automatic switching dual-power distribution box

Info

Publication number: CN211046558U
Application number: CN201922031952.0U
Authority: CN
Inventors: 郑建龙
Original assignee: Yunnan Bochuang Electric Equipment Co ltd
Current assignee: Yunnan Bochuang Electric Equipment Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-17
Anticipated expiration: 2029-11-22

Abstract

The utility model belongs to the block terminal field, concretely relates to automatic switching dual power supply block terminal. The automatic switching dual-power distribution box comprises a box body, wherein a single/dual-power converter is arranged in the box body, the single/dual-power converter comprises a double-pole double-throw switch, the double-pole double-throw switch comprises two groups of four immobile ends, and each group of immobile ends is electrically connected with an input end of the dual-power switching switch and a single power output line respectively; the output end of the dual-power transfer switch is electrically connected with a dual-power output line. The utility model discloses a stir double-pole double-throw switch, can realize the conversion of single power supply and dual power supply.

Description

Automatic switching dual-power distribution box

Technical Field

The utility model belongs to the block terminal field, concretely relates to dual power supply controller structure and the improvement of arranging.

Background

The dual power supply block terminal is introduced by mains supply, and the standby power is introduced by power generation source, and dual power change over switch is the device of automatic transfer commercial power and electricity generation, for example, commercial power has a power failure back dual power supply block terminal with automatic switch-over to the power generation return circuit power supply, the commercial power resumes normal back, the power generation return circuit passes through dual power switch automatic disconnection, lags behind a few seconds and drops into commercial power return circuit power supply automatically, dual power switch generally all sets up to the commercial power preferentially.

The single power supply or double power supply distribution box can not completely meet various market demands, and the inventor designs the distribution box which can simultaneously supply power by the single power supply and the double power supply and is suitable for various distribution occasions.

Disclosure of Invention

The utility model aims at providing a compromise single power, dual power supply's block terminal simultaneously, but automatic switch-over power during dual power supply.

In order to realize the purpose of the utility model, the technical proposal adopted by the utility model is that an automatic switching dual-power distribution box comprises a single/dual-power converter in the box body, the single/dual-power converter comprises a double-pole double-throw switch, the double-pole double-throw switch has two groups of four immobile ends, and each group of immobile ends is electrically connected with a dual-power switch input end and a single power output line respectively; the output end of the dual-power transfer switch is electrically connected with a dual-power output line.

Preferably: the dual power supply output line is connected in parallel with the single power supply output line.

Preferably: the single power supply output line is electrically connected with the input end of the output air switch, and the output end of the output air switch is electrically connected with a load outside the distribution box.

Preferably: the moving end of the double-pole double-throw switch is electrically connected with the output end of the input air switch, and the input end of the input air switch is electrically connected with the power supply.

Preferably: two rows of mounting brackets are longitudinally welded in the box body, and a plurality of strip-shaped holes which are linearly arranged are formed in the mounting brackets.

Preferably: the two rows of strip-shaped holes are symmetrically distributed on the two rows of mounting racks.

Preferably: install the detachable mounting panel on the mounting bracket, the mounting panel both sides are provided with the bolt hole, both sides the bolt hole respectively with two rows bar hole adaptation.

The utility model discloses following beneficial effect has: when the two single-pole double-throw switches are connected with the single power output line, the two power supplies can simultaneously supply power for different loads; when the two single-pole double-throw switches are connected with the double-power transfer switch, the distribution box serves as a conventional double-power distribution box, one of the two power supplies serves as a power supply, the other power supply serves as a standby power supply, and meanwhile power is supplied to all the electric equipment. The utility model discloses can do the dual power supply block terminal, can do single power distribution box again and use.

Drawings

FIG. 1 is a schematic circuit diagram of the present invention;

fig. 2 is a schematic diagram of the circuit structure of the present invention;

FIG. 3 is a schematic structural view of the matching of a mounting plate and a mounting frame in a distribution box body;

the air conditioner comprises a 1-input air switch, a 2-output air switch, a 3-single/double power supply converter, a 4-double-pole double-throw switch, a 5-double power supply change-over switch, a 6-single power supply output line, a 7-double power supply output line, an 8-box body, a 9-mounting plate, a 10-strip-shaped hole, an 11-bolt hole and a 12-fixing frame.

Detailed Description

The attached drawing shows that 1, the automatic switching dual-power distribution box comprises a box body (8), wherein a single/dual-power converter 3 is arranged in the box body 8, the single/dual-power converter 3 comprises a double-pole double-throw switch 4, the double-pole double-throw switch 4 comprises two groups of four immobile ends, and each group of immobile ends is electrically connected with an input end of a dual-power switch 5 and a single-power output line 6 respectively; the output end of the double power supply changeover switch 5 is electrically connected with a double power supply output line 7. The dual power supply output line 7 is connected in parallel with the single power supply output line 6. The single power supply output line 6 is electrically connected with the input end of the output air switch 2, and the output end of the output air switch 2 is electrically connected with a load outside the distribution box. The moving end of the double-pole double-throw switch 4 is electrically connected with the output end of the input air switch (1), and the input end of the input air switch (1) is electrically connected with a power supply. Two rows of mounting brackets 12 are longitudinally welded in the box body (8), and a plurality of strip-shaped holes 10 which are linearly arranged are arranged on the mounting brackets 12. The two rows of strip-shaped holes 10 are symmetrically distributed on the two rows of mounting frames 12. Install detachable mounting panel 9 on mounting bracket 12, the mounting panel 9 both sides are provided with bolt hole 11, both sides bolt hole 11 respectively with two rows bar hole 10 adaptations. .

As shown in fig. 3, according to the specific implementation, a plurality of mounting plates 9 may be mounted on the mounting frame 12, and holes may be drilled in the mounting plates 9 to mount the input air switch 1, the single/dual power converter 3, the output air switch 2, and other power devices. Fix mounting panel 9 on mounting bracket 12 during the installation, aim at bar hole 10 with bolt hole 11, then through the bolt with mounting panel 9 and mounting bracket 12 zonulae occludens. The number of the mounting plates 9 is specifically selected according to the size and shape of the power device.

The utility model discloses the input switch 1 upper end that drawing of figure 1 inserts three phase current, when concrete implementation, can select to insert three phase current or single-phase current according to particular case, but all must insert the zero line. The utility model discloses two loads have only been drawn to the attached figure 1 output, and during the actual implementation, according to mains power, load power, the load quantity that the reasonable selection output inserted, the load can be with electrical apparatus, also can be next-level block terminal.

The input power supply can be commercial power, a generator or a power supply which is transformed by a transformer and is suitable for the rated voltage of the components of the distribution box.

After the double power supply change-over switch 5 enters a working state, the controller automatically and continuously performs data sampling on various voltages of two power supplies and calculates voltage effective values of the various voltages, the microprocessor makes various judgment and processing according to set data, a processing result sends a brake separating or closing instruction to an operating mechanism through a delay (adjustable) driving circuit, normal, standby and double branch conversion of the switch is realized by controlling the positive and negative rotation of a motor, and the fault condition can be reflected by an L ED nixie tube and an indicator lamp.

The utility model discloses there are two kinds of operational modes:

operating mode 1): the power input end is connected with a main power supply and a standby power supply, the standby power supply can be selected from emergency power generation equipment or a power supply connected with a transformer different from the main power supply, and the movable end of the double-pole double-throw switch 4 is connected with the input end of the double-power-supply change-over switch 5. When the main power supply is in a normal voltage range, the load is always connected to the main power supply, when the main power supply fails, the dual-power-supply changeover switch 5 works, the load is automatically switched to the standby power supply, and after the main power supply is recovered to be normal, the load is automatically switched to the main power supply.

Operating mode 2): the power input end is respectively connected with two main power supplies, the moving end of the double-pole double-throw switch 4 is connected with the input end of the single power output line 6, and the two main power supplies respectively supply power for loads connected with the two main power supplies.

The operation modes 2) and 1) can be mutually switched, the handle of the double-pole double-throw switch 4 is pulled during switching, and when the movable end of the double-pole double-throw switch 4 is connected with the input end of the double-power supply change-over switch 5, the distribution box works according to the operation mode 1); when the moving end of the double-pole double-throw switch 4 is connected with the input end of the single power output line 6, the distribution box works according to the operation mode 2).

The utility model discloses in the time of the concrete implementation, can integrate into a whole with 3 components and parts of single/dual power converter, nevertheless external structure how transform, as long as used the utility model discloses the design of single/dual power converter 3 circuit all belongs to the utility model discloses a protection scope.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides an automatic switching dual supply block terminal, includes box (8), its characterized in that: the box body (8) is internally provided with a single/double power supply converter (3), the single/double power supply converter (3) comprises a double-pole double-throw switch (4), the double-pole double-throw switch (4) is provided with two groups of four immobile ends, and each group of immobile ends is respectively and electrically connected with an input end of a double power supply change-over switch (5) and a single power supply output line (6); the output end of the double-power-supply changeover switch (5) is electrically connected with a double-power-supply output line (7).

2. The automatic switching dual power supply distribution box of claim 1, wherein: the dual power supply output line (7) is connected in parallel with the single power supply output line (6).

3. The automatic switching dual power supply distribution box of claim 2, wherein: the single power supply output line (6) is electrically connected with the input end of the output air switch (2), and the output end of the output air switch (2) is electrically connected with a load outside the distribution box.

4. The automatic switching dual power supply distribution box of claim 1, wherein: the moving end of the double-pole double-throw switch (4) is electrically connected with the output end of the input air switch (1), and the input end of the input air switch (1) is electrically connected with a power supply.

5. The automatic switching dual power supply distribution box of claim 1, wherein: the box body (8) is internally and longitudinally welded with two rows of mounting frames (12), and a plurality of strip-shaped holes (10) which are linearly arranged are formed in the mounting frames (12).

6. The automatic switching dual power supply distribution box of claim 5, wherein: the two rows of the strip-shaped holes (10) are symmetrically distributed on the two rows of the mounting rack (12).

7. The automatic switching dual power supply distribution box of claim 5, wherein: install detachable mounting panel (9) on mounting bracket (12), mounting panel (9) both sides are provided with bolt hole (11), both sides bolt hole (11) respectively with two rows bar hole (10) adaptation.