CN215420074U

CN215420074U - Bidirectional direct current exchanger with low noise

Info

Publication number: CN215420074U
Application number: CN202121268009.2U
Authority: CN
Inventors: 赵睿忱; 计奔; 张振华; 蹇和达; 冯涛
Original assignee: Jiangsu Zhinengjie Energy Technology Co ltd
Current assignee: Jiangsu Zhinengjie Energy Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-04
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a bidirectional direct current exchanger with low noise, which comprises a box body, wherein springs are fixedly connected at the front and back positions of the left side and the right side of the bottom of an inner cavity of the box body, a moving plate is fixedly connected at the top of each spring, an exchanger body is fixedly connected at the top of each moving plate through a screw, and sleeves are fixedly connected at the front and back positions of the left side and the right side of the bottom of each moving plate and positioned on the inner sides of the springs. The bidirectional direct current exchanger has the advantages of good noise reduction effect by arranging the structure, solving the problem of poor noise reduction effect of the existing bidirectional direct current exchanger, and further meeting the use requirements of users.

Description

Bidirectional direct current exchanger with low noise

Technical Field

The utility model relates to the technical field of bidirectional direct current exchangers, in particular to a bidirectional direct current exchanger with low noise.

Background

The DC converter is a power electronic device for converting DC electric energy into DC electric energy with controllable voltage or current required by load, and is characterized by that it utilizes the quick on-off control of power electronic device to chop constant DC voltage into a series of pulse voltages, and utilizes the change of duty ratio to change the pulse width of said pulse series so as to implement regulation of output voltage average value, then utilizes the output filter to filter and obtain the DC electric energy with controllable current or voltage on the controlled load.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model aims to provide a bidirectional direct current exchanger with low noise, which has the advantage of good noise reduction effect and solves the problem of poor noise reduction effect of the conventional bidirectional direct current exchanger.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a two-way direct current exchanger that noise is little, the power distribution box comprises a box body, the equal fixedly connected with spring in front and back position of the left and right sides of box inner chamber bottom, the top fixedly connected with movable plate of spring, screw fixedly connected with interchanger body is passed through at the top of movable plate, the equal fixedly connected with sleeve in inboard that the position just is located the spring around the movable plate bottom left and right sides, the first magnet of top fixedly connected with of sleeve inner chamber, the left and right sides of box inner chamber bottom and the equal fixedly connected with pillar in position that cooperatees and use with first magnet, the top of pillar extends to telescopic inner chamber fixedly connected with second magnet, the surface and the telescopic internal surface sliding connection of second magnet, the equal fixedly connected with fan in the left and right sides at box top.

Preferably, the upper ends of the left side and the right side of the box body are uniformly provided with heat dissipation holes, and the inner cavities of the heat dissipation holes are fixedly connected with dust screens.

Preferably, the front and back positions of the left side and the right side of the moving plate are fixedly connected with guide blocks, guide grooves are formed in the positions, matched with the guide blocks, of the left side and the right side of the inner cavity of the box body, and the outer surfaces of the guide blocks are connected with the inner surfaces of the guide grooves in a sliding mode.

Preferably, the bottom of the box body is fixedly connected with a bottom plate, four corners of the bottom plate are fixedly connected with cushion pads, and the thickness of each cushion pad is three centimeters.

Preferably, the left side and the right side of the inner cavity of the box body are respectively and fixedly connected with a supporting plate below the movable plate, damping cushions are respectively and fixedly connected to the front and the rear of the tops of the supporting plates, and the surfaces of the damping cushions are designed in an arc shape.

Preferably, the left and right sides of second magnet all fixedly connected with slider, the spout has all been seted up to the left and right sides of sleeve inner chamber and the position that cooperatees and use with the slider, the surface of slider and the internal surface sliding connection of spout.

Preferably, the front of the box body is hinged with a box door, and the left side of the front of the box door is embedded with an observation window.

Compared with the prior art, the utility model has the following beneficial effects:

1. the bidirectional direct current exchanger has the advantages of good noise reduction effect by arranging the structure, solving the problem of poor noise reduction effect of the existing bidirectional direct current exchanger, and further meeting the use requirements of users.

2. The movable plate is guided by arranging the guide block and the guide groove, and is limited at the same time, so that the stability of the movable plate during movement is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the case structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at a;

fig. 4 is a perspective view of the moving plate structure of the present invention.

In the figure: 1. a box body; 2. a spring; 3. moving the plate; 4. an exchanger body; 5. a sleeve; 6. a first magnet; 7. a second magnet; 8. a pillar; 9. a fan; 10. heat dissipation holes; 11. a dust screen; 12. a guide block; 13. a guide groove; 14. a base plate; 15. a cushion pad; 16. a support plate; 17. a shock pad; 18. a slider; 19. a chute; 20. a box door; 21. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, a low-noise bidirectional dc converter comprises a case 1, a spring 2 is fixedly connected to the front and rear positions of the left and right sides of the bottom of the inner cavity of the case 1, a moving plate 3 is fixedly connected to the top of the spring 2, a converter body 4 is fixedly connected to the top of the moving plate 3 through screws, a sleeve 5 is fixedly connected to the front and rear positions of the left and right sides of the bottom of the moving plate 3 and located inside the spring 2, a first magnet 6 is fixedly connected to the top of the inner cavity of the sleeve 5, a pillar 8 is fixedly connected to the left and right sides of the bottom of the inner cavity of the case 1 and used in cooperation with the first magnet 6, the top of the pillar 8 extends to the inner cavity of the sleeve 5 and is fixedly connected to a second magnet 7, the outer surface of the second magnet 7 is slidably connected to the inner surface of the sleeve 5, the bottom of the first magnet 6 and the top of the second magnet 7 have the same magnetic pole, and by the principle that like poles of the magnets repel each other, carry out the shock attenuation to movable plate 3, the equal fixedly connected with fan 9 in the left and right sides at 1 top of box, carry out the shock attenuation to movable plate 3 through setting up spring 2, also carry out the shock attenuation to interchanger body 4 simultaneously, through setting up sleeve 5, first magnet 6, second magnet 7 and pillar 8, carry out the secondary shock attenuation to movable plate 3, avoid interchanger body 4 the great phenomenon of noise to appear, through setting up fan 9, dispel the heat to interchanger body 4, avoid the too high influence of its heat to use, through setting up above structure, the better advantage of noise reduction has been possessed, the problem that current two-way DC interchanger has the relatively poor problem of noise reduction, thereby user's user demand can be satisfied.

In this embodiment, specifically, louvre 10 has evenly been seted up to the upper end of both sides about box 1, and louvre 10's inner chamber fixedly connected with dust screen 11 through setting up louvre 10, has made things convenient for the heat dissipation, through setting up dust screen 11, avoids the dust to fall into the inner chamber to box 1, causes the damage to electrical component.

In this embodiment, specifically, the guide blocks 12 are fixedly connected to the front and rear positions of the left and right sides of the moving plate 3, the guide grooves 13 are formed in the left and right sides of the inner cavity of the box body 1 and in positions matched with the guide blocks 12 for use, the outer surfaces of the guide blocks 12 are slidably connected with the inner surfaces of the guide grooves 13, the moving plate 3 is guided and limited by the guide blocks 12 and the guide grooves 13, and stability of the moving plate 3 during moving is improved.

In this embodiment, it is concrete, the bottom fixedly connected with bottom plate 14 of box 1, the equal fixedly connected with blotter 15 in four corners of bottom plate 14, the thickness of blotter 15 is three centimetres, through setting up bottom plate 14 and blotter 15, further carries out the shock attenuation to the device, improves the shock attenuation effect, and the material of blotter 15 is rubber.

In this embodiment, specifically, the left and right sides of the inner chamber of the box 1 and the equal fixedly connected with backup pad 16 in below that is located the movable plate 3, the equal fixedly connected with shock pad 17 in front and back position at backup pad 16 top, arc design is done on the surface of shock pad 17, through setting up backup pad 16 and shock pad 17, carries out the shock attenuation to the movable plate 3, improves the shock attenuation effect, and the material of shock pad 17 is rubber.

In this embodiment, specifically, the equal fixedly connected with slider 18 in the left and right sides of second magnet 7, spout 19 has all been seted up to the left and right sides of sleeve 5 inner chamber and the position that cooperatees and use with slider 18, and slider 18's surface and spout 19's internal surface sliding connection are through setting up slider 18 and spout 19, lead sleeve 5, avoid sleeve 5 to take place the skew.

In this embodiment, specifically, the front of the box body 1 is hinged with the box door 20, the observation window 21 is embedded in the left side of the front of the box door 20, the box door 20 is arranged, so that the maintenance of the electrical elements in the inner cavity of the box body 1 is facilitated, and the observation of the operation condition of the exchanger body 4 is facilitated by arranging the observation window 21.

When the device is used, when the exchanger body 4 vibrates during operation, the spring 2 is used for carrying out primary shock absorption on the bottom of the movable plate 3, meanwhile, the movable plate 3 drives the sleeve 5 to move downwards, the sleeve 5 drives the first magnet 6 to move downwards, so that the like poles of the first magnet 6 and the second magnet 7 repel each other, the movable plate 3 is subjected to secondary shock absorption, the shock absorption effect is improved, meanwhile, the movable plate 3 is subjected to tertiary shock absorption through the supporting plate 16 and the shock absorption pad 17, the phenomenon of vibration is avoided, finally, the box body 1 is subjected to shock absorption through the bottom plate 14 and the buffer cushion 15, the shock absorption effect of the device is improved, the noise generation is reduced, after the device is used for a period of time, the fan 9 is started through the external controller, the exchanger body 4 is subjected to heat dissipation, the heat is discharged outwards through the heat dissipation holes 10, and dust can be prevented from falling into the inner cavity of the box body 1 through the dustproof net 11, cause the damage to electrical element, through setting up above structure, possessed the better advantage of noise reduction effect, solved current two-way DC exchanger and had the relatively poor problem of noise reduction effect to can satisfy user's user demand.

The standard parts used in the present application document can be purchased from the market, and can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts the conventional means of mature bolt, rivet, welding and the like in the prior art, the machines, parts and equipment adopt the conventional models in the prior art, the control mode is automatically controlled by a controller, the control circuit of the controller can be realized by simple programming of technicians in the field, the control circuit belongs to the common knowledge in the field, and the present application document is mainly used for protecting mechanical devices, so the control mode and the circuit connection are not explained in detail in the present application.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 two-way direct current exchanger that noise is little, includes box (1), its characterized in that: the box body (1) is characterized in that springs (2) are fixedly connected to the front and rear positions of the left side and the right side of the bottom of an inner cavity of the box body (1), a movable plate (3) is fixedly connected to the top of the spring (2), an exchanger body (4) is fixedly connected to the top of the movable plate (3) through screws, sleeves (5) are fixedly connected to the front and rear positions of the left side and the right side of the bottom of the movable plate (3) and located on the inner side of the spring (2), first magnets (6) are fixedly connected to the top of an inner cavity of the sleeves (5), pillars (8) are fixedly connected to the left side and the right side of the bottom of the inner cavity of the box body (1) and matched with the first magnets (6) for use, second magnets (7) extend to the inner cavity of the sleeves (5) from the top of the pillars (8), and the outer surface of the second magnets (7) is connected with the inner surface of the sleeves (5) in a sliding manner, the left side and the right side of the top of the box body (1) are fixedly connected with fans (9).

2. A low noise bi-directional dc converter as set forth in claim 1, wherein: the upper ends of the left side and the right side of the box body (1) are evenly provided with heat dissipation holes (10), and the inner cavities of the heat dissipation holes (10) are fixedly connected with dust screens (11).

3. A low noise bi-directional dc converter as set forth in claim 1, wherein: the movable plate is characterized in that guide blocks (12) are fixedly connected to the front side and the rear side of the left side and the right side of the movable plate (3) respectively, guide grooves (13) are formed in the left side and the right side of an inner cavity of the box body (1) and in positions matched with the guide blocks (12) for use, and the outer surfaces of the guide blocks (12) are connected with the inner surfaces of the guide grooves (13) in a sliding mode.

4. A low noise bi-directional dc converter as set forth in claim 1, wherein: the bottom of the box body (1) is fixedly connected with a bottom plate (14), four corners of the bottom plate (14) are fixedly connected with cushion pads (15), and the thickness of the cushion pads (15) is three centimeters.

5. A low noise bi-directional dc converter as set forth in claim 1, wherein: the left and right sides of the inner cavity of the box body (1) are located on the supporting plates (16) and are fixedly connected with the supporting plates (16) below the moving plate (3), damping cushions (17) are fixedly connected with the front and back of the top of the supporting plates (16), and the surfaces of the damping cushions (17) are designed in an arc shape.

6. A low noise bi-directional dc converter as set forth in claim 1, wherein: the equal fixedly connected with slider (18) of the left and right sides of second magnet (7), spout (19) have all been seted up to the left and right sides of sleeve (5) inner chamber and the position that cooperatees and use with slider (18), the surface of slider (18) and the internal surface sliding connection of spout (19).

7. A low noise bi-directional dc converter as set forth in claim 1, wherein: the front of the box body (1) is hinged with a box door (20), and the left side of the front of the box door (20) is embedded with an observation window (21).