CN206727484U - A kind of low-voltage distribution cabinet noise reduction dividing plate - Google Patents
A kind of low-voltage distribution cabinet noise reduction dividing plate Download PDFInfo
- Publication number
- CN206727484U CN206727484U CN201720605258.3U CN201720605258U CN206727484U CN 206727484 U CN206727484 U CN 206727484U CN 201720605258 U CN201720605258 U CN 201720605258U CN 206727484 U CN206727484 U CN 206727484U
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- CN
- China
- Prior art keywords
- dividing plate
- distribution cabinet
- noise reduction
- cabinet
- voltage distribution
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
A kind of low-voltage distribution cabinet noise reduction dividing plate, including cabinet, the side of cabinet is provided with the internal dividing plate for being provided with cavity, the lower end of dividing plate is installed with several damping devices being uniformly arranged in order, the inside of several damping devices is provided with spring, the sound arrester being provided with above several damping devices, the inside of sound arrester are provided with abatvoix;The utility model is because with the addition of steel pad, spring, expansion plate and rubber blanket, solve the problems, such as that power distribution cabinet produces resonance, noise is produced when avoiding cabinet resonance, it ensure that quiet working environment, because the utility model with the addition of the first cellular board, abatvoix, the second cellular board, the first bar shaped sound panel and the second bar shaped sound panel, the design solves the problems, such as that cabinet dividing plate is eliminated the noise weak during equipment operation, is reduced cabinet and is externally transmitted noise, has purified surrounding enviroment.
Description
Technical field
The utility model belongs to power distribution cabinet production technical field, and in particular to a kind of low-voltage distribution cabinet noise reduction dividing plate.
Background technology
In production, power distribution cabinet dividing plate is more to use flat board, and the dividing plate is fixed on power distribution cabinet crossbeam, and the dividing plate is close to distribution
Cabinet column, electrical equipment and dividing plate produce resonance in power distribution cabinet, and resonance can produce larger noise, influence working environment, simultaneously
Power distribution cabinet upper spacer is limited for the iris action of sound, it is impossible to the sound of power distribution cabinet is absorbed well, increased
The noise pollution of surrounding enviroment.
The content of the invention
The technical problems to be solved in the utility model is to overcome deficiencies of the prior art, there is provided one kind can reduce
The low-voltage distribution cabinet noise reduction dividing plate of noise.
In order to solve the above problems, the utility model uses following technical scheme:A kind of low-voltage distribution cabinet noise reduction dividing plate, bag
Cabinet is included, the side of cabinet is provided with the internal dividing plate for being provided with cavity, and the lower end of dividing plate is installed with several uniformly successively
The damping device of arrangement, the inside of several damping devices are provided with spring, be provided with above several damping devices every
Mixer, the inside of sound arrester are provided with abatvoix.
It is further optimization of the utility model to above-mentioned technical proposal below:
One end of the spring is fixedly connected with rubber blanket, and the other end, which is fixedly connected with, is mounted by means of bolts on dividing plate
The steel pad of lower surface.
Further optimization:The outer cover of the spring is mounted by means of bolts on the expansion plate on steel pad equipped with one end,
The other end of expansion plate is mounted by means of bolts on rubber blanket.
Further optimization:The sound arrester includes the be mounted by means of bolts on the side inwall of diaphragm cavity
One cellular board, for being provided with and being oppositely arranged with the first cellular board is bolted on the opposite side inwall of the diaphragm cavity
Two cellular boards.
Further optimization:First cellular board is identical with the second cellular board specification and is alveolate texture.
Further optimization:First cellular board is pasted with respectively on the two sides corresponding with the second cellular board
Several equally distributed first bar shaped sound panels and the second bar shaped sound panel.
Further optimization:The first bar shaped sound panel and the second bar shaped sound panel is oppositely arranged and specification is identical.
Further optimization:Bolt is provided between the first bar shaped sound panel and the second bar shaped sound panel and fixes peace
Abatvoix on dividing plate.
Further optimization:Rubber blanket is also equipped with the inner bottom surface of cabinet.
In use, the operation of cabinet in-vivo device produces vibrations, shake to rotate in the form of energy and give cabinet lower surface, under cabinet
End face transfers energy to dividing plate, and dividing plate lower surface is provided with rubber blanket with cabinet lower surface, because rubber blanket has certain bullet
Property, the shock energy of part is consumed, and the spring that remaining shock energy is connected by rubber blanket upper end carries out damping, by
In spring compared to for rubber blanket, there is more preferable damping effect, therefore, the vibrations come are transmitted to cabinet lower surface and disappeared
It is weak, so as to ensure that whole cabinet will not be resonated with equipment, extra noise is produced, influences surrounding enviroment.
Cabinet in-vivo device operationally, can also produce noise, and the first cellular board and cellular board set in dividing plate passes through spy
Different cellular structure type, when equipment, which produces noise, is passed to the first honeycomb plate surface, an acoustic energy part is reflected, a part
The first cellular board is penetrated, when penetrating the acoustic energy of the first cellular board and passing through the first bar shaped sound panel, the first bar shaped sound panel also reflects
A part of acoustic energy, a part of acoustic energy penetrate the first bar shaped sound panel, and remaining part acoustic energy has reached sound-absorbing plate surface, in abatvoix
Sound-absorbing material is filled, sound-absorbing material is mostly loose porous material, and sound wave gos deep into the hole of sound-absorbing material, and hole is mostly interior
The open pore that portion interpenetrates, by air molecule friction and viscosity resistance, and fiber fines are made to make mechanical oscillation, so that
Acoustic energy is changed into heat energy and changes into heat energy by acoustic energy, and acoustic energy is depleted, and is finally left very least a portion of acoustic energy, by the second bar shaped
Sound panel and the second cellular board absorb and reflection, finally transmit it is very weak to acoustic energy outside cabinet, so as to reach control noise dirt
The purpose of dye.
The utility model solves power distribution cabinet and produces asking for resonance because with the addition of steel pad, spring, expansion plate and rubber blanket
Topic, noise is produced when avoiding cabinet resonance, quiet working environment is ensure that, because the utility model with the addition of the first honeycomb
Plate, abatvoix, the second cellular board, the first bar shaped sound panel and the second bar shaped sound panel, when the design solves equipment operation
Cabinet dividing plate is eliminated the noise the problem of weak, is reduced cabinet and is externally transmitted noise, has purified surrounding enviroment.
The utility model is described further with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is structural representation of the utility model in embodiment;
Fig. 2 is the structural representation of the utility model damping device in embodiment;
Fig. 3 is the structural representation of the utility model sound arrester in embodiment.
In figure:1- cabinets;2- hinges;3- dividing plates;4- damping devices;41- steel pads;42- springs;43- expansion plates;44- rubbers
Rubber cushion;5- sound arresters;The cellular boards of 51- first;52- abatvoixs;The cellular boards of 53- second;54- the first bar shaped sound panels;55-
Two bar shaped sound panels.
Embodiment
Embodiment, as shown in Figures 1 to 3, a kind of low-voltage distribution cabinet noise reduction dividing plate, including cabinet 1, the side of cabinet 1 are uniform
Several hinges 2 being bolted to connection are installed, the other end of several hinges 2 is bolted to connection respectively
There is the dividing plate 3 provided with cavity, the lower end of dividing plate 3 is installed with several damping devices 4 being uniformly arranged in order, and several subtract
The top of shake device 4 is provided with the sound arrester 5 of insulating noise.
The damping device 4 includes spring 42, and one end of spring 42 is fixedly connected with rubber blanket 44, and the other end is fixedly connected
There is the steel pad 41 for being mounted by means of bolts on the lower surface of dividing plate 3.
The outer cover of the spring 42 is mounted by means of bolts on the expansion plate 43 on steel pad 41, expansion plate equipped with one end
43 other end is mounted by means of bolts on rubber blanket 44.
The sound arrester 5 includes the first cellular board being mounted by means of bolts on the side inwall of the cavity of dividing plate 3
51, the second honeycomb for being provided with and being oppositely arranged with the first cellular board 51 is bolted on the opposite side inwall of the cavity of dividing plate 3
Plate 53.
First cellular board 51 is identical with the specification of the second cellular board 53, and the first cellular board 51 is with the second cellular board 53
Alveolate texture.
Several are pasted with first cellular board 51 two sides corresponding with the second cellular board 53 respectively uniformly to divide
The the first bar shaped sound panel 54 and the second bar shaped sound panel 55 of cloth.
The first bar shaped sound panel 54 is oppositely arranged with the second bar shaped sound panel 55 and specification is identical.
Be provided between the first bar shaped sound panel 54 and the second bar shaped sound panel 55 bolt be fixedly mounted on every
Abatvoix 52 on plate 3.
Rubber blanket 44 is also equipped with the inner bottom surface of the cabinet 1.
In use, equipment operation produces vibrations in cabinet 1, shake and the lower surface of cabinet 1, cabinet 1 are transmitted in the form of energy
Lower surface transfers energy to dividing plate 3, and the lower surface of dividing plate 3 is provided with rubber blanket 44 with the lower surface of cabinet 1, because rubber blanket 44 has
There is certain elasticity, the shock energy of part is consumed, the spring 42 that remaining shock energy is connected by the upper end of rubber blanket 44
To carry out damping, because spring 42 is compared to for rubber blanket 44, there is more preferable damping effect, therefore, the lower surface of cabinet 1 is passed
Pass the vibrations come to be slackened, so as to ensure that whole cabinet will not be resonated with equipment, produce extra noise, influence
Surrounding enviroment.
Equipment operationally, can also produce noise, the first cellular board 51 and cellular board 53 set in dividing plate 3 in cabinet 1
By special cellular structure type, when equipment, which produces noise, is passed to the first 51 surface of cellular board, an acoustic energy part is anti-
To penetrate, a part penetrates the first cellular board 51, when penetrating the acoustic energy of the first cellular board 51 and passing through the first bar shaped sound panel 54, first
Shape sound panel 54 also reflects a part of acoustic energy, and a part of acoustic energy penetrates the first bar shaped sound panel 54, and remaining part acoustic energy reaches
The surface of abatvoix 53, the interior filling sound-absorbing material of abatvoix 53, sound-absorbing material is mostly loose porous material, and sound wave deeply absorbs sound
The hole of material, and hole is mostly the internal open pore to interpenetrate, by air molecule friction and viscosity resistance, and is made thin
Small fiber makees mechanical oscillation, so that acoustic energy is changed into heat energy and changes into heat energy by acoustic energy, acoustic energy is depleted, and is finally left seldom
Partial acoustic energy, absorb and reflect by the second bar shaped sound panel 55 and the second cellular board 53, finally transmit to 1 outer acoustic energy of cabinet
It is very weak, so as to reach the purpose of control noise pollution.
A kind of low-voltage distribution cabinet noise reduction dividing plate of the present utility model, because the utility model with the addition of steel pad 41, spring 42, stretch
Contracting plate 43 and rubber blanket 44, the design solve the problems, such as that power distribution cabinet produces resonance, avoid to produce when cabinet 1 resonates and make an uproar
Sound, ensure that quiet working environment, because the utility model with the addition of the first cellular board 51, abatvoix 52, the second cellular board 53,
The plate of first bar shaped sound insulation 54 and the second bar shaped sound panel 55, the dividing plate of cabinet 1 is eliminated the noise weak when the design solves equipment operation
Problem, reduce cabinet 1 and externally transmit noise, purified surrounding enviroment.
Claims (9)
1. a kind of low-voltage distribution cabinet noise reduction dividing plate, including cabinet(1), it is characterised in that:Cabinet(1)Side inside be installed set
There is the dividing plate of cavity(3), dividing plate(3)Lower end be installed with several damping devices being uniformly arranged in order(4), several
Damping device(4)Inside be provided with spring(42), several damping devices(4)Top be provided with sound arrester(5), every
Mixer(5)Inside abatvoix is installed(52).
A kind of 2. low-voltage distribution cabinet noise reduction dividing plate according to claim 1, it is characterised in that:Spring(42)One end fix
It is connected with rubber blanket(44), the other end, which is fixedly connected with, is mounted by means of bolts on dividing plate(3)The steel pad of lower surface(41).
A kind of 3. low-voltage distribution cabinet noise reduction dividing plate according to claim 2, it is characterised in that:Spring(42)Outside suit
There is one end to be mounted by means of bolts on steel pad(41)On expansion plate(43), expansion plate(43)The other end be bolted
Installed in rubber blanket(44)On.
A kind of 4. low-voltage distribution cabinet noise reduction dividing plate according to claim 3, it is characterised in that:Sound arrester(5)Including logical
Cross bolt and be fixedly mounted on dividing plate(3)The first cellular board on the side inwall of cavity(51), dividing plate(3)In the opposite side of cavity
It is bolted and is provided with and the first cellular board on wall(51)The second cellular board being oppositely arranged(53).
A kind of 5. low-voltage distribution cabinet noise reduction dividing plate according to claim 4, it is characterised in that:First cellular board(51)With
Two cellular boards(53)Specification is identical and is alveolate texture.
A kind of 6. low-voltage distribution cabinet noise reduction dividing plate according to claim 5, it is characterised in that:First cellular board(51)With
Two cellular boards(53)Several equally distributed first bar shaped sound panels are pasted with corresponding two sides respectively(54)With
Two bar shaped sound panels(55).
A kind of 7. low-voltage distribution cabinet noise reduction dividing plate according to claim 6, it is characterised in that:First bar shaped sound panel(54)
With the second bar shaped sound panel(55)It is oppositely arranged and specification is identical.
A kind of 8. low-voltage distribution cabinet noise reduction dividing plate according to claim 7, it is characterised in that:First bar shaped sound panel(54)
With the second bar shaped sound panel(55)Between be provided with bolt and be fixedly mounted on dividing plate(3)On abatvoix(52).
A kind of 9. low-voltage distribution cabinet noise reduction dividing plate according to claim 8, it is characterised in that:Cabinet(1)Inner bottom surface
On be also equipped with rubber blanket(44).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720605258.3U CN206727484U (en) | 2017-05-27 | 2017-05-27 | A kind of low-voltage distribution cabinet noise reduction dividing plate |
Applications Claiming Priority (1)
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CN201720605258.3U CN206727484U (en) | 2017-05-27 | 2017-05-27 | A kind of low-voltage distribution cabinet noise reduction dividing plate |
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CN206727484U true CN206727484U (en) | 2017-12-08 |
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CN201720605258.3U Expired - Fee Related CN206727484U (en) | 2017-05-27 | 2017-05-27 | A kind of low-voltage distribution cabinet noise reduction dividing plate |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108448431A (en) * | 2018-05-03 | 2018-08-24 | 张庆云 | A kind of 220V power distribution panels |
-
2017
- 2017-05-27 CN CN201720605258.3U patent/CN206727484U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108448431A (en) * | 2018-05-03 | 2018-08-24 | 张庆云 | A kind of 220V power distribution panels |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20180527 |