CN212810089U

CN212810089U - Uninterrupted dual-power switch

Info

Publication number: CN212810089U
Application number: CN202022146510.3U
Authority: CN
Inventors: 张金永
Original assignee: Zhejiang Kexo Electric Co ltd
Current assignee: Zhejiang Kexo Electric Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-03-26
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a dual-power switch without power failure, which comprises a shell, wherein the shell is provided with a first input end, a second input end and a first output end, the first input end and the second input end are positioned at the same side, the first output end is positioned at the other side, a rotating shaft is arranged in the shell, a plurality of moving contacts are arranged on the rotating shaft, one end of each moving contact is connected with the first output end through flexible connection, the other end of each moving contact is provided with a contact part, and the first input end and the second input end are positioned on the rotating track of the contact part; the utility model discloses simple structure, wiring convenience, switching efficiency are high.

Description

Uninterrupted dual-power switch

Technical Field

The utility model relates to a UPS dual power switch.

Background

The dual-power switch includes two way input power promptly, is the power commonly used all the way, is stand-by power supply all the way, and the normal condition is power commonly used and output connection, forms the electrical connection effect, when power commonly used breaks down, can shift to promptly and be connected with stand-by power supply, and on the same way, when stand-by power supply breaks down, also can shift to and be connected with power commonly used. The uninterrupted power supply means that no power supply interruption occurs in the switching process of two power supplies, namely the switching time is short.

However, one of the input power and the output end of the existing uninterruptible dual-power switch are located on the same side, which causes inconvenience in the wiring process and easily causes a phenomenon of wrong connection.

Disclosure of Invention

The utility model discloses the main technical problem who solves provides a UPS dual power switch.

The utility model discloses the technical scheme who solves its technical problem and adopt is: the utility model provides a UPS dual power switch, wherein, includes the casing, is equipped with first input, second input and first output on the casing, and first input is located the homonymy with the second input, and first output is located the opposite side, is equipped with the pivot in the casing, sets up a plurality of moving contact in the pivot, and the last one end of moving contact is passed through the flexible coupling and is connected with first output, is equipped with the contact portion on the other end, and first input is located the rotation orbit of contact portion with the second input.

Adopt two inputs to set up for the homonymy for it is more convenient in the wiring process, difficult emergence circuit connects the mistake, and the moving contact adopts one end and first output to be the flexible coupling moreover, and the other end rotates through the pivot and realizes the switching between two way powers, simple structure, convenient operation.

Wherein, the rotating shaft is provided with a positioning bulge, the moving contact is provided with a positioning groove, and the positioning bulge is embedded into the positioning groove for fixation.

The cooperation of the positioning groove and the positioning protrusion is adopted, so that the moving contact is more stable to fix and is prevented from falling off in the using process.

Wherein, the rotating shaft is provided with an extension part, and the moving contact is attached to the top surface of the extension part.

The arrangement of the extension part is adopted, so that the contact area between the moving contact and the rotating shaft is larger, and the stable linkage effect is ensured to be formed in the rotating process.

The second input end is positioned above the first input end and is arranged obliquely downwards.

Adopt the second input to set up for slant downwards to guarantee the rotation orbit of contact portion, the contact portion is for using the pivot to rotate the orbit for the arc of centre of a circle, and this kind of setting has guaranteed the stability of being connected between contact portion and the second input.

The device also comprises an arc-extinguishing shield, wherein the arc-extinguishing shield is positioned in the vertical connecting direction of the first input end and the second input end.

The arc extinguishing cover is arranged, so that the arc extinguishing effect is achieved, and the two power supplies are prevented from generating electric arcs in the conversion process to cause fire.

Wherein, the arc-extinguishing chamber is fixedly connected with the second input end.

The mode that adopts and the second input end is fixed guarantees the fixed stability of arc-extinguishing cover, improves the arc extinguishing protection level.

Wherein, be equipped with plane portion in the pivot, during the first state, plane portion and the laminating of the bottom surface of casing, during the second state, plane portion rotates towards first input one side.

Adopt the setting of plane portion, play spacing effect, at the rotation in-process, if plane portion and the bottom surface laminating back of casing, can't carry out the counter rotation promptly, prevent that the pivot from excessively rotating.

Wherein, be equipped with a plurality of cylinder portion in the pivot, be equipped with the support piece with cylinder portion adaptation on the casing.

The supporting piece is arranged, so that the rotating shaft can play a role in guiding in the rotating process, and the rotating stability is ensured.

Wherein, the rotation angle of the rotating shaft is A, and A is more than or equal to 30 degrees and less than or equal to 45 degrees.

The rotation angle is set, so that the rotating rapid movement is ensured, and the effect of no power failure is realized.

The automatic feeding device also comprises a driving mechanism, wherein the driving mechanism drives the rotating shaft to rotate, and the driving mechanism can be manual or automatic.

The driving mechanism is manually or automatically arranged, so that the convenience of operation is enhanced.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a partial structural schematic diagram of embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of a movable contact connected to a first input terminal in embodiment 1 of the present invention;

fig. 4 is a cross-sectional view of the moving contact connected to the second input terminal in embodiment 1 of the present invention.

Detailed Description

Example 1:

referring to fig. 1-4, a dual power switch without power interruption includes a housing 1, where the housing 1 is provided with a first input end 2, a second input end 3, and a first output end 4, where the first input end 2, the second input end 3, and the first output end 4 may form a plurality of groups of connection circuits, which may be 2P, 3P, or 4P, and may be adjusted according to actual requirements. In this embodiment, only 4P is taken as an example, and since the structures of each group are the same, only one group of structures will be described.

Be equipped with actuating mechanism 5 in the casing 1, actuating mechanism 5 is used for the drive pivot to rotate, and actuating mechanism 5 can be manual drive or electric drive here, and here manual automatic drive mechanism 5 is prior art, and it is unnecessary here to add the perplexing.

The first input terminal 2 and the second input terminal 3 are located on the same side, the first output terminal 4 is located on the other side, and here the first input terminal 2 is located below the second input terminal 3, and both are arranged in a step-like manner. It should be noted here that the second input terminal 3 is disposed obliquely downward. The second input end 3 is arranged obliquely downwards, so that the rotating track of the contact part 71 is ensured, the contact part 71 is an arc-shaped rotating track taking the rotating shaft as the center of a circle, and the arrangement ensures the connection stability between the contact part 71 and the second input end 3.

The rotating shaft 6 is positioned between the first input end 2 and the first output end 4, four moving contacts 7 are arranged on the rotating shaft 6, and each moving contact 7 corresponds to one group of connecting circuits. Be equipped with cavity 61 on the pivot 6, the bottom surface of cavity 61 is the plane setting, and is equipped with location arch 62 on the cavity 61, and moving contact 7 passes through location arch 62 to be fixed in cavity 61, and further, for making moving contact 7 and cavity 61 fixed more stable, cavity 61 is equipped with extension 63 towards first input 2 one side for moving contact 7 is bigger with the area of contact of cavity 61. Be equipped with a plurality of cylinder portion 64 on the pivot 6, cylinder portion 64 forms the connection with the lateral wall of two adjacent cavities 61, and in order to improve the rotation efficiency of cylinder portion 64, so be equipped with support piece 11 on the casing 1, support piece 11 is last be equipped with the arc breach 111 of cylinder portion 64 adaptation, rotates on arc breach 111 through cylinder portion 64, has realized the effect of rotation direction.

The side wall of the cavity 61 is provided with a plane portion 65, the plane portion 65 is attached to the bottom surface of the housing 1 in a first state (when the movable contact 7 is connected to the first input terminal 2), and the plane portion 65 rotates toward the first input terminal 2 in a second state (when the movable contact 7 is connected to the second input terminal 3). Adopt plane portion 65's setting, play spacing effect, at the rotation in-process, if plane portion 65 and the bottom surface laminating back of casing 1, can't carry out the opposite direction rotation promptly, prevent that pivot 6 from excessively rotating. Here, the rotation angle of the rotating shaft 6 is A, 30 DEG-45 deg. The rotation angle is set, so that the rotating rapid movement is ensured, and the effect of no power failure is realized. The angle of rotation a is preferably 35 ° here.

Be equipped with constant head tank 72 on the moving contact 7, constant head tank 72 and the protruding 62 cooperation of location for moving contact 7 is fixed in cavity 61, and further, in order to improve moving contact 7's fixed fastness, also can fasten through the bolt. Moving contact 7 one end is connected with first output 4 through flexible connection 8, and here flexible connection 8 specifically can be flexible copper conductor, and further, in order to guarantee flexible copper conductor and moving contact 7's fixed strength, can burn to melt here and weld both weld fixly through the heavy current.

The other end of the movable contact 7 extends outwards through the extending portion 63, a contact portion 71 is disposed on the top end of the other end, and the first input end 2 and the second input end 3 are respectively located on a rotation track of the contact portion 71, where it should be noted that, because the rotation angle of the rotating shaft 6 is limited, two end points on the rotation track of the contact portion 71 correspond to positions connected with the first input end 2 or the second input end 3.

The arc-extinguishing chamber 9 one end is connected fixedly with second input 3, and the other end extends towards first input 2 for the whole perpendicular direction of being located of first input 2 and second input 3 of arc-extinguishing chamber 9. The arc extinguishing cover 9 is arranged, so that an arc extinguishing effect is achieved, and the two power supplies are prevented from generating electric arcs in the conversion process to cause fire. It should be noted here that the other end of the arc chute 9 is not directly connected to the first input terminal 2, and a certain gap exists between the two.

Adopt two inputs to set up for the homonymy for it is more convenient in the wiring process, difficult emergence circuit connects the mistake, and moving contact 7 adopts one end and first output 4 to be the flexible coupling 8 moreover, and the other end rotates through pivot 6 and realizes the switching between two way powers, simple structure, convenient operation.

Claims

1. The utility model provides a UPS dual supply switch which characterized in that: the automatic switch comprises a shell, wherein a first input end, a second input end and a first output end are arranged on the shell, the first input end and the second input end are located on the same side, the first output end is located on the other side, a rotating shaft is arranged in the shell, a plurality of moving contacts are arranged on the rotating shaft, one end of each moving contact is connected with the first output end through a flexible connection, a contact part is arranged on the other end of each moving contact, and the first input end and the second input end are located on a rotating track of the contact part.

2. The uninterruptible dual power supply switch of claim 1, wherein: the rotating shaft is provided with a positioning bulge, the moving contact is provided with a positioning groove, and the positioning bulge is embedded into the positioning groove for fixation.

3. The uninterruptible dual power supply switch of claim 2, wherein: the rotating shaft is provided with an extension part, and the moving contact is attached to the top surface of the extension part.

4. The uninterruptible dual power supply switch of claim 1, wherein: the second input end is positioned above the first input end and is arranged obliquely downwards.

5. The uninterruptible dual power supply switch of claim 4, wherein: the arc extinguishing cover is positioned in the vertical connecting direction of the first input end and the second input end.

6. The uninterruptible dual power supply switch of claim 5, wherein: the arc extinguishing cover is fixedly connected with the second input end.

7. The uninterruptible dual power supply switch of claim 1, wherein: be equipped with plane portion in the pivot, during the first state, plane portion and the laminating of the bottom surface of casing, during the second state, plane portion rotates towards first input one side.

8. The uninterruptible dual power supply switch of claim 7, wherein: be equipped with a plurality of cylinder portion in the pivot, be equipped with the support piece with cylinder portion adaptation on the casing.

9. An uninterruptible dual power supply switch as claimed in claim 1, 7 or 8, wherein: the rotation angle of the rotating shaft is A, and A is more than or equal to 30 degrees and less than or equal to 45 degrees.

10. The uninterruptible dual power supply switch of claim 1, wherein: the automatic transmission mechanism further comprises a driving mechanism, the driving mechanism drives the rotating shaft to rotate, and the driving mechanism can be manual or automatic.