CN205159821U - Block terminal low frequency noise shield assembly - Google Patents
Block terminal low frequency noise shield assembly Download PDFInfo
- Publication number
- CN205159821U CN205159821U CN201521038101.4U CN201521038101U CN205159821U CN 205159821 U CN205159821 U CN 205159821U CN 201521038101 U CN201521038101 U CN 201521038101U CN 205159821 U CN205159821 U CN 205159821U
- Authority
- CN
- China
- Prior art keywords
- distribution box
- block terminal
- dimensions
- low frequency
- vacuum
- 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
Links
- 239000011358 absorbing material Substances 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims description 29
- 238000012216 screening Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 5
- 230000006378 damage Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 208000014674 injury Diseases 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model relates to a block terminal low frequency noise shield assembly, connect block terminal (4) on its characterized in that rubber tie plate (1), the left side of block terminal (4) is equipped with vacuum tube (2), vacuum tube (2) go up through block terminal (4) that the hole that sets up is stretched into in block terminal (4) and with block terminal (4) sealing connection, be equipped with evacuation pump (3) on vacuum tube (2), connect cylinder (5) on block terminal (4), telescopic link (7) is connected to cylinder (5) upper end, and the top of telescopic link (7) is connected with perpendicularly connects horizontal pole (8), and the outside of connecting horizontal pole (8) is equipped with annular sound -proof housing (6) that syllable -dividing sound absorbing material made, and connection horizontal pole (8) is connected with the inner wall of annular sound -proof housing (6), the dimensions of annular sound -proof housing (6) is greater than the dimensions of block terminal (4), and the dimensions of annular sound -proof housing (6) is greater than the dimensions of rubber tie plate (1), the utility model discloses simple structure, with low costs shields effectually, reduces block terminal low frequency noise and causes the injury to the human body.
Description
Technical field:
The utility model relates to a kind of distribution box screening arrangement, particularly relates to a kind of distribution box low frequency noise screening arrangement.
Background technology:
Distribution box is the magnanimity parameter in data, is generally to form low pressure woods by electrical wiring, requires switchgear, measuring instrument, protective device and auxiliary equipment to be assembled in close or in semiclosed metal safe or on screen width, form low-tension distribution box.Can connect or point deenergizing by manual or automatic switch during normal operation.
Frequency uses Hz office, and low frequency noise refers to that frequency is at 200 hertz of (octave) sound below.It is 20 ~ 200Hz that China orders for the audio frequency range of low frequency noise, wherein to the frequency that body effect is comparatively obvious, is mainly the frequency range of 3-50Hz.Be be low frequency at 20Hz--200Hz within the scope of people's ear, in one second, namely shake 20 to 200 irregular sound that send be referred to as low frequency noise.Frequency is intermediate frequency at 500Hz ~ 2kHz, and high frequency is then 2kHz ~ 16kHz.
Existing distribution box in use can produce low frequency noise, human body is caused serious injury, and existing low frequency noise screening arrangement complex structure, cost drop into high, and it is bad to the shield effectiveness of low frequency noise, therefore need that a kind of structure of research and development is simple, cost drops into low badly, and the distribution box low frequency noise screening arrangement good to the shield effectiveness of low frequency noise.
Utility model content:
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provides that a kind of structure is simple, cost is low, and shield effectiveness is good, reduces the distribution box low frequency noise screening arrangement that distribution box low frequency noise damages human body.
The purpose of this utility model can be reached by following measure: a kind of distribution box low frequency noise screening arrangement, it is characterized in that it includes rubber mat plate, vacuum-pumping tube, vacuum pumping pump, distribution box, cylinder, annular blimp, expansion link and connection cross bar; Rubber mat plate connects distribution box, and the left side of distribution box is provided with vacuum-pumping tube, and vacuum-pumping tube to be extend in distribution box by the hole that distribution box is arranged and is tightly connected with distribution box; Vacuum-pumping tube is provided with vacuum pumping pump, and distribution box connects cylinder; Cylinder upper end connection expansion link, the top of expansion link is vertically connected with connection cross bar, connects the outside of cross bar and is provided with the annular blimp that sound-insulation and sound-absorbing material makes, connect cross bar and be connected with the inwall of annular blimp; The dimensions of annular blimp is greater than the dimensions of distribution box, and the dimensions of annular blimp is greater than the dimensions of rubber mat plate.
In order to realize the purpose of this utility model further, the right side wall of described distribution box is provided with controller, and vacuum pumping pump is connected with controller all respectively with cylinder.
The utility model can produce following good effect compared with the prior art: the utility model is provided with vacuum pumping pump, air in distribution box is extracted out by vacuum-pumping tube by vacuum pumping pump, because sound can not be propagated in a vacuum, therefore, it is possible to carry out preliminary noise shielding to distribution box, and rubber mat plate can silencing and damping, further can eliminate low frequency noise.And distribution box and rubber mat plate cover by annular blimp that sound-insulation and sound-absorbing material is made completely, the low frequency noise that distribution box produces therefore significantly can be reduced.The utility model overcomes existing distribution box in use can produce low frequency noise, and to the shortcoming that human body causes serious injury, structure is simple, cost drops into low, and good to the shield effectiveness of low frequency noise.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of a kind of execution mode of the present utility model;
Fig. 2 is the structural representation of another kind of execution mode of the present utility model.
Embodiment:
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated:
Embodiment 1: a kind of distribution box low frequency noise screening arrangement (see Fig. 1), it includes rubber mat plate 1, vacuum-pumping tube 2, vacuum pumping pump 3, distribution box 4, cylinder 5, annular blimp 6, expansion link 7 and is connected cross bar 8; Above rubber mat plate 1, be provided with distribution box 4, rubber mat plate 1 is connected with distribution box 4; The left side of distribution box 4 is provided with vacuum-pumping tube 2, distribution box 4 is provided with hole, vacuum-pumping tube 2 extend in distribution box 4 by the hole that distribution box 4 is arranged, and vacuum-pumping tube 2 and distribution box 4 are for being tightly connected; Vacuum-pumping tube 2 is provided with vacuum pumping pump 3, is provided with cylinder 5 above distribution box 4, distribution box 4 is connected with cylinder 5; Above cylinder 5, be provided with expansion link 7, cylinder 5 is connected with expansion link 7; The top of expansion link 7 is connected with and connects cross bar 8, and expansion link 7 is vertical connection with being connected cross bar 8; Be provided with annular blimp 6 in the outside connecting cross bar 8, connect cross bar 8 and be connected with the inwall of annular blimp 6; Annular blimp 6 is made for sound-insulation and sound-absorbing material, and the dimensions of annular blimp 6 is greater than the dimensions of distribution box 4, and the dimensions of annular blimp 6 is greater than the dimensions of rubber mat plate 1.
Operation principle: after distribution box 4 wiring, start vacuum pumping pump 3, the air in distribution box 4 is extracted out by vacuum-pumping tube 2 by vacuum pumping pump 3.Because sound can not be propagated in a vacuum, therefore, it is possible to carry out preliminary noise shielding to distribution box 4, and rubber mat plate 1 can silencing and damping, further can eliminate low frequency noise.
Start cylinder 5, cylinder 5 carries out action, drives expansion link 7 and is connected cross bar 8 and moves down, thus drives annular blimp 6 to move down.Because the dimensions of annular blimp 6 is greater than distribution box 4, and the dimensions of rubber mat plate 1, therefore distribution box 4 and rubber mat plate 1 can entangle by annular blimp 6.When distribution box 4 and rubber mat plate 1 cover by annular blimp 6 completely, due to annular blimp 6 for sound-insulation and sound-absorbing material is made, the low frequency noise that distribution box 4 produces therefore significantly can be reduced.
Embodiment 2: a kind of distribution box low frequency noise screening arrangement (see Fig. 2), its structure and principle are substantially with embodiment 1, its difference is also to include controller 9, and controller 9 is arranged on the right side wall of distribution box 4, and vacuum pumping pump 3 is connected with controller 9 all respectively with cylinder 5.Controller 9 can replace manually controlling vacuum pumping pump 3 and cylinder 5, can realize the automation of the whole course of work.
The above embodiment only have expressed preferred implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion, improvement and substitute, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (2)
1. a distribution box low frequency noise screening arrangement, is characterized in that it includes rubber mat plate (1), vacuum-pumping tube (2), vacuum pumping pump (3), distribution box (4), cylinder (5), annular blimp (6), expansion link (7) and is connected cross bar (8); Rubber mat plate (1) connects distribution box (4), the left side of distribution box (4) is provided with vacuum-pumping tube (2), and vacuum-pumping tube (2) to be extend in distribution box (4) by the upper hole arranged of distribution box (4) and is tightly connected with distribution box (4); Vacuum-pumping tube (2) is provided with vacuum pumping pump (3), distribution box (4) connects cylinder (5); Cylinder (5) upper end connection expansion link (7), the top of expansion link (7) is vertically connected with and connects cross bar (8), the outside connecting cross bar (8) is provided with the annular blimp (6) that sound-insulation and sound-absorbing material makes, and connects cross bar (8) and is connected with the inwall of annular blimp (6); The dimensions of annular blimp (6) is greater than the dimensions of distribution box (4), and the dimensions of annular blimp (6) is greater than the dimensions of rubber mat plate (1).
2. a kind of distribution box low frequency noise screening arrangement according to claim 1, it is characterized in that the right side wall of described distribution box (4) is provided with controller (9), vacuum pumping pump (3) is connected with controller (9) all respectively with cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038101.4U CN205159821U (en) | 2015-12-15 | 2015-12-15 | Block terminal low frequency noise shield assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038101.4U CN205159821U (en) | 2015-12-15 | 2015-12-15 | Block terminal low frequency noise shield assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159821U true CN205159821U (en) | 2016-04-13 |
Family
ID=55695475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038101.4U Expired - Fee Related CN205159821U (en) | 2015-12-15 | 2015-12-15 | Block terminal low frequency noise shield assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449543A (en) * | 2015-12-15 | 2016-03-30 | 国网山东莱阳市供电公司 | Low frequency noise shielding apparatus for power distribution box |
-
2015
- 2015-12-15 CN CN201521038101.4U patent/CN205159821U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449543A (en) * | 2015-12-15 | 2016-03-30 | 国网山东莱阳市供电公司 | Low frequency noise shielding apparatus for power distribution box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106771656B (en) | Substation electromagnetic radiation monitoring device based on GIS | |
| CN205159821U (en) | Block terminal low frequency noise shield assembly | |
| CN207344747U (en) | A kind of woodwork cut-off machine for reducing noise | |
| CN107920286A (en) | A kind of outdoor mobile sound equipment with shock-absorbing function | |
| CN105449543A (en) | Low frequency noise shielding apparatus for power distribution box | |
| CN209763899U (en) | Old building blasting protective equipment of municipal administration transformation | |
| CN201017637Y (en) | Gradual change type cavity noise absorption device for converter station | |
| CN203655389U (en) | Novel compressed air rapid noise reduction and evacuation device | |
| CN104457970B (en) | A kind of half silencer box of broadband measurement | |
| CN206917308U (en) | A kind of novel building building site protection network | |
| CN204663889U (en) | A kind of screw air compressor of good dustproof effect | |
| CN205743051U (en) | A kind of construction site construction dust screen apparatus possessing Simple sliding function | |
| CN212810029U (en) | Cross arm mechanism for damping and noise reduction of transformer | |
| CN209046110U (en) | It is a kind of anti-error in charging equipment dress hanging earthing conductor insulating bar | |
| CN204102560U (en) | A kind of oil field strong noise equipment packaged type denoising device | |
| CN208448847U (en) | A kind of pulse bag type dust collector that operation noise is small | |
| CN207722268U (en) | A kind of Firefighting Pump Control equipment with inspection function | |
| CN215121518U (en) | Intelligent network management device | |
| CN206015548U (en) | A kind of railway anti-corrosion noise screen | |
| CN209510732U (en) | A kind of folded plate type silencer of blower air inlet/outlet | |
| CN216312400U (en) | Switch board with sound insulation construction of making an uproar falls | |
| CN104988294B (en) | Valve sound insulation aging box | |
| CN211779636U (en) | Underground pump room with vibration and noise reduction structure | |
| CN109529520A (en) | The cabinet type small-size dust remover of one | |
| CN203925748U (en) | A kind of acoustic hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160413 Termination date: 20171215 |