CN204857460U - Device of making an uproar falls in damping sound insulation sleeve for power capacitor - Google Patents
Device of making an uproar falls in damping sound insulation sleeve for power capacitor Download PDFInfo
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- CN204857460U CN204857460U CN201520652304.6U CN201520652304U CN204857460U CN 204857460 U CN204857460 U CN 204857460U CN 201520652304 U CN201520652304 U CN 201520652304U CN 204857460 U CN204857460 U CN 204857460U
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- sound insulation
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Abstract
The utility model discloses a device of making an uproar falls in damping sound insulation sleeve for power capacitor, including capacitor unit, terminal surface symmetrical arrangement has a pair of joint hinge about the capacitor unit, capacitor unit still includes the capacitor unit top face of right -hand member and the capacitor unit bottom face of left end, capacitor unit top face is provided with a pair of sleeve pipe wiring end, capacitor unit top off -plate side be provided with a sleeve just or the capacitor unit bottom face outside be provided with end sleeve, top sleeve and end sleeve are has double -deck multilayer structure at least, and wherein the inlayer is soft damping layer or sound absorbing layer, the outer puigging that is. Top sleeve and capacitor unit top face are provided with the head space chamber, be provided with end cavity between end sleeve and the capacitor unit bottom face. The utility model discloses sleeve parcel that the utilization has a damping sound insulation function the condenser that has completed off -the -shelf top with (or) the bottom, it makes an uproar to fall reform transform with the obvious advantage, the whole weatherability of sleeve reached more than 10 years, and the live time is long.
Description
Technical field
The utility model relates to transmission system, and more particularly it is power capacitor damping sound insulation sleeve denoising device.
Background technology
In high pressure, superhigh pressure, extra-high voltage electric power system, most of power equipment is all induction equipment, a large amount of reactive power of these induction equipment consumption.For bucking-out system lagging reactive power, filtering harmonic component, parallel filtering capacitor device need be used; Especially, in DC transmission system, this kind of parallel filtering capacitor device has the advantages that capacity is large, floor space is large, pylon is high.
Super high voltage direct current electricity transmission system is in AC and DC conversion process, DC side and AC all produce a large amount of harmonic wave, when harmonic current is by exchanging in parallel, filtering capacitor and DC filter capacitors, medium in capacitor unit is subject to the power effect of alternation electric field and produces vibration, cause capacitor unit case surface to be vibrated, the air of next-door neighbour's capacitor unit case surface vibrates generation noise thereupon.In capacitor device, capacitor unit quantity is very many, under certain condition, near capacitor device, the audible noise being greater than 60dB (A) is produced after the noise synthesis of all capacitor units, the requirement easily causing factory circle or noise-sensitive target acoustic environment not to meet the concerned countries standards such as " standard for acoustic environmental quality " GB3096-2008 and " Industrial Enterprise Factory Boundary ambient noise discharge standard " GB12348-2008 specify, formation noise pollution.After " People's Republic of China's noise pollution prevention method " issuing and implementation, the requirement of operation power department to the AC and DC parallel filtering capacitor device running noises reducing super high voltage direct current electricity transmission system of taking measures is more urgent.
In order to reach the requirement of environmental law, reduce super high voltage direct current electricity transmission utility capacitor plant running noise, at present existing utility model patent design " there is the capacitor device of noise absorption cover " patent No. be (200820104113.60, " low noise high-voltage power capacitor unit " (patent No. is 200820300691.7) and " capacitor device of reduction noise " (patent No. is 2009201647066).Wherein " there is the capacitor device of noise absorption cover " and devise the noise absorption cover (being actually local sound absorbing-insulating barrier) be arranged on capacitor device, with the noise stopped and absorption capacitor unit produces, although there is the effect of noise reduction, but installation workload increases, device volume strengthens, and cost improves." low noise high-voltage power capacitor unit " is then install sound absorber additional in the case shell of capacitor unit, obviously can reduce the noise of capacitor body, but existing noise-reducing design still can not eliminate noise transmission when capacitor device runs." reduce the capacitor device of noise " and install sound insulationg board in parallel in the large face of capacitor, although can reduce noise to a certain extent, also there is installation workload large, installation is wasted time and energy, the problem that cost is higher.
Summary of the invention
The purpose of this utility model is to overcome the excessive and a kind of power capacitor damping sound insulation sleeve denoising device that provides of existing electric capacity noise.
The utility model realizes by following technical scheme:
Power capacitor damping sound insulation sleeve denoising device, comprise capacitor unit, described capacitor unit upper and lower end face has been arranged symmetrically with a pair joint hinge; Described capacitor unit also comprises the capacitor unit top end face of right-hand member and the capacitor unit bottom face of left end; Described capacitor unit top end face is provided with a pair conduit connection end, it is characterized in that:
Described capacitor unit top end face arranged outside has top cover cylinder and/or described capacitor unit bottom face arranged outside to have end sleeve; Described top cover cylinder is provided with top cover bore, and described conduit connection end is through described top cover bore;
Described top cover cylinder and sleeve of the described end are has double-deck sandwich construction at least, and wherein internal layer is soft damping layer or sound absorbing layer, and thickness is 1-20mm; Skin is puigging, and thickness is 0.1-20mm.
Described top cover cylinder and described capacitor unit top end face are provided with head space chamber, and described top cavity thickness is 1-200mm; Be provided with end cavity between sleeve of the described end and described capacitor unit bottom face, cavity thickness of the described end is 1-200mm.
The utility model utilizes the sleeve with damping sound insulation function to be wrapped in top and (or) the bottom of the capacitor finished product completed, without the need to additionally taking fabricating yard; Damping sound insulation sleeve is easy for installation, has both been applicable to the capacitor noise reduction of grassroot project, and has also been applicable to transform the noise reduction of the capacitor that puts into operation, with the obvious advantage to the noise reduction transformation of the capacitor that puts into operation especially; The overall weatherability of sleeve reaches more than 10 years, and service time is long.For not affecting the radiation damp sound insulation sleeve of capacitor and the flexible packages length of capacitor no more than 1/3rd of capacitor total length.
Accompanying drawing explanation
Fig. 1 is existing power capacitor three-dimensional structure diagram.
Fig. 2 is the utility model power capacitor damping sound insulation sleeve denoising device three-dimensional structure diagram.(capacitor unit top, bottom are provided with sleeve)
Fig. 3 is the utility model power capacitor damping sound insulation sleeve denoising device three-dimensional structure diagram.(capacitor unit top is provided with sleeve)
Fig. 4 is the utility model power capacitor damping sound insulation sleeve denoising device three-dimensional structure diagram.(bottom capacitor unit, being provided with sleeve)
Fig. 5 is the three-dimensional structure diagram of top cover cylinder.
Fig. 6 is the three-dimensional structure diagram of end sleeve.
Fig. 7 is the utility model power capacitor damping sound insulation sleeve denoising device schematic cross-section.(capacitor unit top, bottom are provided with sleeve)
In figure: conduit connection end 1; Joint hinge 2; Capacitor unit 3; Capacitor unit top end face 4: end sleeve 5; End cavity 51; Top cover cylinder 6; Top cover bore 61; Head space chamber 62.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but this embodiment should not be construed restriction of the present utility model, only for example, simultaneously by illustrating that advantage of the present utility model will become clearly and easy understand.
Power capacitor damping sound insulation sleeve denoising device, comprise capacitor unit 3, capacitor unit 3 upper and lower end face has been arranged symmetrically with a pair joint hinge 2; Capacitor unit 3 also comprises the capacitor unit top end face 4 of right-hand member and the capacitor unit bottom face of left end; Capacitor unit top end face 4 is provided with a pair conduit connection end 1;
Capacitor unit top end face 4 arranged outside has top cover cylinder 6 and/or capacitor unit bottom face arranged outside to have end sleeve 5; Top cover cylinder 6 is provided with top cover bore 61, and conduit connection end 1 is through top cover bore 61;
Top cover cylinder and the end sleeve with damping sound insulation function all adopt multi-layer compound structure, wherein internal layer all adopts damping material and (or) sound-absorbing material (or sound absorption structure), the combination form of damping material, sound-absorbing material, sound absorption structure and the number of plies, each layer thickness are according to the audio spectrum featured configuration of capacitor, and gross thickness is 1-20mm; Skin all adopts sound insulating material, can adopt metal or nonmetallic materials, thickness 0.1-20mm.The overall weatherability of sleeve reaches more than 10 years.
Top cover cylinder 6 and capacitor unit top end face 4 are provided with head space chamber 62, and head space chamber 62 thickness is 1-200mm; Be provided with end cavity 51 between end sleeve 5 and capacitor unit bottom face, end cavity 51 thickness is 1-200mm.
It should be noted that: to those of ordinary skill in the art, can also make some changes or distortion to the utility model under the prerequisite not changing the utility model principle, this belongs to protection range of the present utility model equally.
Claims (2)
1. power capacitor damping sound insulation sleeve denoising device, comprise capacitor unit (3), described capacitor unit (3) upper and lower end face has been arranged symmetrically with a pair joint hinge (2); Described capacitor unit (3) also comprises the capacitor unit top end face (4) of right-hand member and the capacitor unit bottom face of left end; Described capacitor unit top end face (4) is provided with a pair conduit connection end (1), it is characterized in that:
Described capacitor unit top end face (4) arranged outside has top cover cylinder (6) and/or described capacitor unit bottom face arranged outside to have end sleeve (5); Described top cover cylinder (6) is provided with top cover bore (61), and described conduit connection end (1) is through described top cover bore (61);
Described top cover cylinder (6) and sleeve of the described end (5), be and have double-deck sandwich construction at least, and wherein internal layer is soft damping layer or sound absorbing layer, and thickness is 1-20mm; Skin is puigging, and thickness is 0.1-20mm.
2. power capacitor damping sound insulation sleeve denoising device according to claim 1, it is characterized in that: described top cover cylinder (6) and described capacitor unit top end face (4) are provided with head space chamber (62), described head space chamber (62) thickness is 1-200mm; Be provided with end cavity (51) between sleeve of the described end (5) and described capacitor unit bottom face, cavity (51) thickness of the described end is 1-200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652304.6U CN204857460U (en) | 2015-08-26 | 2015-08-26 | Device of making an uproar falls in damping sound insulation sleeve for power capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520652304.6U CN204857460U (en) | 2015-08-26 | 2015-08-26 | Device of making an uproar falls in damping sound insulation sleeve for power capacitor |
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| Publication Number | Publication Date |
|---|---|
| CN204857460U true CN204857460U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520652304.6U Active CN204857460U (en) | 2015-08-26 | 2015-08-26 | Device of making an uproar falls in damping sound insulation sleeve for power capacitor |
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| CN (1) | CN204857460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826071A (en) * | 2016-05-26 | 2016-08-03 | 上海思源电力电容器有限公司 | Sound insulation device applicable to power capacitor |
-
2015
- 2015-08-26 CN CN201520652304.6U patent/CN204857460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105826071A (en) * | 2016-05-26 | 2016-08-03 | 上海思源电力电容器有限公司 | Sound insulation device applicable to power capacitor |
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