CN219436702U

CN219436702U - Double-power-supply undisturbed switching device

Info

Publication number: CN219436702U
Application number: CN202320613970.3U
Authority: CN
Inventors: 许达伟; 吴明明; 张善保
Original assignee: Shanghai Pukong Electric Technology Co ltd
Current assignee: Shanghai Pukong Electric Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-28
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a double-power-supply undisturbed switching device, which comprises a shell, wherein the shell comprises an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected through a bolt connecting plate, an installation seat is fixedly arranged in the shell, the switching device is fixedly arranged on the installation seat through bolts, two sides of the switching device are respectively provided with a movable plate, one side of the movable plate is fixedly provided with a shielding net, two ends of the movable plate and two ends of the shielding net are respectively in sliding connection with the shell through a sliding assembly, and the shielding net is fixedly provided with a buffer assembly.

Description

Double-power-supply undisturbed switching device

Technical Field

The utility model relates to the technical field of power distribution switching, in particular to a double-power-supply undisturbed switching device.

Background

At present, when a voltage drop of more than 20mS, namely so-called 'power-shaking', or short-time power failure (the power failure time is less than or equal to 2.5S) occurs in some power utilization sensitive equipment of an industrial user, such as a motor, a frequency converter, a high-voltage halogen lamp, relay protection and the like, accidents such as motor rotation speed drop or stalling, frequency converter shutdown, relay protection action and the like can be caused, production fluctuation and operation confusion are caused, product quality accidents are caused by light persons, hundreds of thousands of economic losses and millions of economic losses are caused, serious safety accidents are even caused by heavy persons, huge economic losses and bad social influence are caused to enterprises, and the current main technical direction is to prepare a double-power switching device, and the switching time is about 0.5 seconds.

However, the existing dual-power switching device is easy to be affected by external electromagnetic interference when in use, the use of the existing dual-power switching device is affected, and some important equipment has higher requirements on power supply continuity, so that the existing dual-power switching device is also higher in use requirement, electromagnetic shielding can be carried out only through a shell of the existing dual-power switching device, the shielding effect is poor due to the fact that gaps exist at the connecting positions of the shells and the complete wrapping is difficult to ensure, the external shielding equipment is needed to assist, the existing shielding cover is in a fixed mode, the anti-collision capability is poor, and the rigid collision easily affects the normal use of the switching device.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a double-power-supply undisturbed switching device, which solves the problems that the existing double-power-supply switching device can only perform electromagnetic shielding through a shell, so that the shielding effect is poor, the existing shielding cover is in a fixed form, the crashproof capability is poor, and the normal use of the switching device is easily influenced by rigid collision.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a dual supply does not have disturbance auto-change over device, includes the casing, the casing includes casing and lower casing, go up casing and lower casing between through bolted connection board fixed connection, the inside fixed mounting of casing has the mount pad, there is auto-change over device through bolt fixed mounting on the mount pad, auto-change over device's both sides are provided with the fly leaf respectively, one side fixed mounting of fly leaf has the shielding net, the both ends of fly leaf, shielding net are respectively through sliding component and casing sliding connection, fixed mounting has buffer assembly on the shielding net.

Preferably, the movable plate is provided with heat dissipation holes which are distributed in a straight line at equal intervals.

Preferably, the sliding component comprises a sliding block fixedly arranged at the end parts of the movable plate and the shielding net and a sliding groove formed in the inner wall of the shell, and the sliding block is in sliding clamping connection with the inside of the sliding groove.

Preferably, the buffer components are symmetrically distributed on two sides of the switching device, and the number of the buffer components is at least 2.

Preferably, the buffer assembly comprises a fixed block fixedly arranged on the shielding net, a groove is formed in the fixed block, a sliding block is movably clamped in the groove, a spring damper is fixedly arranged between the sliding block and the groove, and one end of the sliding block is fixedly connected with the buffer block in surface contact with the switching device through a connecting rod.

Preferably, the buffer block is made of natural rubber.

Advantageous effects

The utility model provides a double-power-supply undisturbed switching device. Compared with the prior art, the method has the following beneficial effects:

1. this dual supply does not have disturbance auto-change over device sets up the fly leaf through auto-change over device's both sides respectively, and fly leaf one side fixed mounting has the shielding net, can improve auto-change over device's electromagnetic interference resistance through the shielding net, solves the tradition and only has offered the louvre on the fly leaf simultaneously to the poor purpose of electromagnetic shield anti-interference effect through the shell for dispel the heat, installation convenient operation is swift.

2. This dual supply does not have disturbance auto-change over device, fly leaf, shielding net pass through sliding component and last casing sliding connection, and one side fixed mounting of shielding net has buffer unit, and buffer unit includes fixed block, recess etc. and then when receiving external collision, can cushion the impact force through the spring damper and utilize the self elasticity performance of buffer block to the impact of transmission to auto-change over device surface to cushion, and then improve auto-change over device's anticollision ability, avoid rigid collision to cause the influence to auto-change over device's normal use.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a moving plate structure according to the present utility model;

FIG. 3 is a schematic view of a shielding net structure according to the present utility model;

FIG. 4 is a schematic view of the enlarged partial structure of FIG. 1 according to the present utility model;

FIG. 5 is a schematic view of a buffer assembly according to the present utility model.

In the figure: 1. a housing; 2. an upper housing; 3. a lower housing; 4. a bolt connecting plate; 5. a mounting base; 6. a switching device; 7. a movable plate; 71. a heat radiation hole; 8. a shielding net; 9. a sliding assembly; 91. a slide block; 92. a chute; 10. a buffer assembly; 101. a fixed block; 102. a groove; 103. a spring damper; 104. a sliding block; 105. and a buffer block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides two technical solutions:

embodiment one:

the utility model provides a dual supply does not have disturbance auto-change over device, including casing 1, casing 1 includes casing 2 and lower casing 3, go up casing 2 and down through bolted connection 4 fixed connection between casing 3, casing 1's inside fixed mounting has mount pad 5, there is auto-change over device 6 through bolt fixed mounting on the mount pad 5, the both sides of auto-change over device 6 are provided with fly leaf 7 respectively, one side fixed mounting of fly leaf 7 has shield net 8, fly leaf 7, the both ends of shield net 8 are respectively through slip subassembly 9 and casing 1 sliding connection, fixed mounting has buffer subassembly 10 on the shield net 8.

Embodiment two:

the double-power-supply undisturbed switching device comprises a shell 1, wherein the shell 1 comprises an upper shell 2 and a lower shell 3, the upper shell 2 and the lower shell 3 are fixedly connected through a bolt connecting plate 4, an installation seat 5 is fixedly installed in the shell 1, a switching device 6 is fixedly installed on the installation seat 5 through bolts, movable plates 7 are respectively arranged on two sides of the switching device 6, and radiating holes 71 which are distributed in an equidistant straight line manner are formed in the movable plates 7 and used for radiating the inside of the shell 1 when the switching device 6 operates; the shielding net 8 is fixedly arranged on one side of the movable plate 7, two ends of the movable plate 7 and the shielding net 8 are respectively connected with the shell 1 in a sliding way through the sliding component 9, the sliding component 9 comprises a sliding block 91 fixedly arranged at the ends of the movable plate 7 and the shielding net 8 and a sliding groove 92 formed in the inner wall of the shell 1, the sliding block 91 is in sliding connection with the sliding groove 92, the movable plate 7 and the shielding net 8 are in sliding connection with the shell 1 through the sliding component 9, so that the movable plate 7 and the shielding net 8 are movably arranged and can freely move when impacted, and direct impact and vibration transmission caused by rigid impact are reduced; the shielding net 8 is fixedly provided with the buffer assemblies 10, the buffer assemblies 10 are symmetrically distributed on two sides of the switching device 6, the number of the buffer assemblies 10 is at least 2, the buffer assemblies 10 comprise fixed blocks 101 fixedly arranged on the shielding net 8, the fixed blocks 101 are provided with grooves 102, sliding blocks 104 are movably clamped in the grooves 102, spring shock absorbers 103 are fixedly arranged between the sliding blocks 104 and the grooves 102, one ends of the sliding blocks 104 are fixedly connected with buffer blocks 105 which are contacted with the surface of the switching device 6 through connecting rods, and when the movable plate 7 is subjected to external collision, impact force can be buffered through the spring shock absorbers 103 and impact transmitted to the surface of the switching device 6 is buffered by utilizing the self elastic performance of the buffer blocks 105, so that the anti-collision capacity of the switching device 6 is improved, and the influence of rigid collision on the normal use of the switching device is avoided; the buffer block 105 is made of natural rubber, and is soft to avoid damaging the surface of the switching device 6.

When the dual-power-supply undisturbed switching device is used, the switching device 6 is fixedly arranged on the mounting seat 5 in the shell 1, the movable plates 7 are respectively arranged on two sides of the switching device 6, the shielding net 8 is fixedly arranged on one side of the movable plates 7, the electromagnetic anti-interference performance of the switching device 6 can be improved through the shielding net 8, the problem that the electromagnetic shielding anti-interference effect is poor only through the shell in the prior art is solved, meanwhile, the movable plates 7 are provided with the heat dissipation holes 71 for heat dissipation, and the installation operation is convenient and quick; in addition, the movable plate 7 and the shielding net 8 are in sliding connection with the upper shell 2 through the sliding component 9, the buffer component 10 is fixedly arranged on one side of the shielding net 8, and the buffer component 10 comprises the fixed block 101, the groove 102 and the like, so that when external collision is received, impact force can be buffered through the spring damper 103, and the impact transmitted to the surface of the switching device 6 is buffered by utilizing the self elastic property of the buffer block 105, so that the anti-collision capability of the switching device 6 is improved, and the influence of rigid collision on the normal use of the switching device 6 is avoided.

And all that is not described in detail in this specification is well known to those skilled in the art.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dual supply does not have switching device that disturbs, includes casing (1), its characterized in that: the utility model provides a casing (1) is including last casing (2) and lower casing (3), go up through bolted connection board (4) fixed connection between casing (2) and the lower casing (3), the inside fixed mounting of casing (1) has mount pad (5), there is auto-change over device (6) through bolt fixed mounting on mount pad (5), the both sides of auto-change over device (6) are provided with fly leaf (7) respectively, one side fixed mounting of fly leaf (7) has shield net (8), the both ends of fly leaf (7), shield net (8) are respectively through sliding component (9) and casing (1) sliding connection, fixed mounting has buffer assembly (10) on shield net (8).

2. The dual power bumpless transfer device of claim 1, wherein: radiating holes (71) which are distributed in a straight line at equal intervals are formed in the movable plate (7).

3. The dual power bumpless transfer device of claim 1, wherein: the sliding assembly (9) comprises a sliding block (91) fixedly arranged at the end parts of the movable plate (7) and the shielding net (8) and a sliding groove (92) formed in the inner wall of the shell (1), and the sliding block (91) is in sliding clamping connection with the inside of the sliding groove (92).

4. The dual power bumpless transfer device of claim 1, wherein: the buffer components (10) are symmetrically distributed on two sides of the switching device (6), and the number of the buffer components (10) is at least 2.

5. The dual power bumpless transfer device of claim 1, wherein: the buffer assembly (10) comprises a fixed block (101) fixedly mounted on the shielding net (8), a groove (102) is formed in the fixed block (101), a sliding block (104) is movably clamped in the groove (102), a spring damper (103) is fixedly mounted between the sliding block (104) and the groove (102), and one end of the sliding block (104) is fixedly connected with a buffer block (105) in surface contact with the switching device (6) through a connecting rod.

6. The dual power bumpless transfer device of claim 5, wherein: the buffer block (105) is made of natural rubber.