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 PDF

Info

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
Authority
CN
China
Prior art keywords
dividing plate
distribution cabinet
noise reduction
cabinet
voltage distribution
Prior art date
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.)
Expired - Fee Related
Application number
CN201720605258.3U
Other languages
Chinese (zh)
Inventor
刘济宁
李志杰
孙兆堂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201720605258.3U priority Critical patent/CN206727484U/en
Application granted granted Critical
Publication of CN206727484U publication Critical patent/CN206727484U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Casings For Electric Apparatus (AREA)
  • 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

A kind of low-voltage distribution cabinet noise reduction dividing plate
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).
CN201720605258.3U 2017-05-27 2017-05-27 A kind of low-voltage distribution cabinet noise reduction dividing plate Expired - Fee Related CN206727484U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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)

Application Number Priority Date Filing Date Title
CN201720605258.3U CN206727484U (en) 2017-05-27 2017-05-27 A kind of low-voltage distribution cabinet noise reduction dividing plate

Publications (1)

Publication Number Publication Date
CN206727484U true CN206727484U (en) 2017-12-08

Family

ID=60511670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720605258.3U Expired - Fee Related CN206727484U (en) 2017-05-27 2017-05-27 A kind of low-voltage distribution cabinet noise reduction dividing plate

Country Status (1)

Country Link
CN (1) CN206727484U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN105803965B (en) A kind of broadband sound absorption cell board
CN206928450U (en) A kind of sound insulating sheet material for building
CN208164418U (en) A kind of honeycomb interlayer sound absorption structure of built-in son back chamber
CN206727484U (en) A kind of low-voltage distribution cabinet noise reduction dividing plate
CN105173059A (en) Double-layer honeycomb noise reduction structure
CN104631353B (en) A kind of full-frequency sound absorption denoising device
CN113898723B (en) Noise reduction box structure for gear speed reducer
CN212896943U (en) A environmental protection sound insulation wall body for building site
CN210350906U (en) Generator sealing device
CN213705353U (en) Noise reduction device for automobile chassis
CN214570744U (en) Sound absorption and noise reduction device of oxygen generator
CN201262829Y (en) Special noise absorption type soundproof equipment
CN203799838U (en) Combined sound absorption device for transformer substation noise reduction
CN110320001B (en) Open jet wind tunnel collector
CN206175541U (en) All -metal separates towards gasket
CN213904927U (en) Dampproof sound absorption material
CN113488325A (en) Low-noise dry-type transformer
CN214069168U (en) Power distribution cabinet with noise reduction function
CN219570723U (en) Vibration-damping noise-reducing Helmholtz resonator array plate
CN216959064U (en) Intelligent noise reduction type distribution box
CN211313066U (en) Fire-resistant drywall with sound insulation and theft prevention structure
CN218523017U (en) Large-scale wind-powered electricity generation gear box case lid
CN214377992U (en) Shock attenuation amortization three-phase dry-type transformer
CN207904798U (en) A kind of acoustic barrier unit board
CN210821203U (en) Novel automobile silencing heat insulator

Legal Events

Date Code Title Description
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