CN203514215U - Wedge type sound barrier - Google Patents
Wedge type sound barrier Download PDFInfo
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- CN203514215U CN203514215U CN201320592963.6U CN201320592963U CN203514215U CN 203514215 U CN203514215 U CN 203514215U CN 201320592963 U CN201320592963 U CN 201320592963U CN 203514215 U CN203514215 U CN 203514215U
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- weight plate
- sound barrier
- type sound
- wedge absorber
- wedge
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Abstract
The utility model discloses a wedge type sound barrier which comprises a plurality of steel columns placed on one side of a rail, the adjacent steel columns are mutually connected and fixed through supporting cross beams, and wedge absorbers are arranged between the stand columns. A noise sensor is arranged on the side, far away from the rail, of the wedge absorbers. The noise sensor is connected with a control circuit, and the control circuit is connected with a storage battery. The wedge type sound barrier is durable in structure and stable in performance, noise on the outer side of a traffic sound barrier can be monitored in real time, and the noise reduction sound insulation index of the rail traffic external mounting type sound barrier is 10-15dB (A).
Description
Technical field
The utility model relates to a kind of sound barrier, relates in particular to a kind of wedging type sound barrier.
Background technology
Along with social progress and the development in city, people's living standard constantly improves, and urban traffic and Intercity Transportation have become the most closely-related problem with us.Therefore, reduce the invasion of noise to road both sides resident, become a vital task in the city-building of current China, building up of a large amount of expressways, being open to traffic of urban light rail, intercity light rail and high-speed railway, bring great convenience to our trip, but stay in the impact that near the resident of these expressways, light rail and high ferro is standing traffic noise simultaneously.In order to improve civic dwelling environment, relevant department is in road both sides and light rail, high ferro etc. are along the line that various sound absorption sound barriers have around been installed.
Wedge absorber is a kind of special sound absorption construction for eliminating the noise, conventionally can be divided into tip and base portion two parts, its structure is that skeleton outside puts the covering materials such as glass-fiber-fabric, plastic window screening, and the inside fills with porous material, as blanket of glass wool, glass fiber, mineral wool, foamed plastics etc.From the tip of wedge to base portion, acoustic impedance is the characteristic impedance from the air impedance that is progressively transitioned into porous material, thereby has realized good impedance matching, and incident acoustic energy is absorbed efficiently.
Existing rail traffic noise barrier does not all have instant noise monitor system, once in track traffic circulation process sound barrier occur to damage or at the beginning of installing sound barrier just there is sound insulation leak, in causing using, cannot well play soundproof effect, surrounding enviroment are caused noise pollution and fail to obtain immediately monitoring.
Piezo-electric effect of the prior art, is that piezoelectric is exerted pressure, and its surface produces electric charge, and the quantity of electric charge of generation is directly proportional to pressure, is referred to as direct piezoelectric effect; Otherwise apply voltage, will produce mechanical stress, be referred to as inverse piezoelectric effect.Piezoelectric has very high energy density, and peak value reaches 100～10000Kw/Kg, by pressure electricity-generating, has applied to many fields.For example CN101873081B discloses a kind of pressure power-generating system for bus; Meanwhile, patent 200920353001.9 discloses a kind of electricity-generating floor; Patent 201220106635.6 also discloses a kind of energy saving and environment friendly electricity-generating floor; Patent 201010215458.0 discloses a kind of pedal type continuous vibration piezoelectric generating device; And application number 201210431827.9 discloses a kind of Trample generating set, it is all the device generating electricity by piezoelectric.Because the weight of track vehicle is larger, in its running, to its perimeter zone, can produce sharp pounding, be therefore necessary that the vibrations that utilize track vehicle to produce generate electricity when advancing, supplied the need for electricity of distinct device.
Utility model content
The purpose of this utility model is to provide a kind of stabilized structure, is convenient to install, and can immediately to track traffic surrounding enviroment, carry out the wedging type sound barrier of noise monitoring.
For addressing the above problem, a kind of wedging type sound barrier of the present utility model, comprises a plurality of steel posts that are positioned at track one side, between adjacent steel column, by supporting traverse, is interconnected and fixed; Between described steel post, be provided with wedge absorber; Away from track one side, be provided with sensor noise being positioned at described wedge absorber, this sensor noise is connected with control circuit, and control circuit is connected with battery.
Described control circuit comprises signal acquisition module, single-chip microcomputer and mobile wireless network transmitter module; The output of described sensor noise is connected with the input of signal acquisition module, and the output of signal acquisition module is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with the input of mobile wireless network transmitter module.
In the lower end of described wedge absorber, be provided with and execute weight plate, be positioned at and execute weight plate below and be provided with pressure generating set, this pressure generating set comprises piezoelectric material layer, wire and battery; Described piezoelectric material layer contacts with executing weight plate below being positioned at and executing weight plate, can be subject to executing the extruding of weight plate; Piezoelectric material layer is connected with bridge rectifier, stabilizator and battery successively by wire.
The described weight plate of executing is a plurality of, and each executes weight plate upper surface and be provided with vertical lead, and this lead overcoat has Compress Spring, and the lower surface of described wedge absorber offers pilot hole simultaneously, and described lead stretches in this pilot hole; Described in described Compress Spring one end withstands on, execute on the upper surface of weight plate, the other end withstands on the lower surface of described wedge absorber, gives respectively to execute weight plate and wedge absorber is separated from each other the power of trend with the two.
Described wedge absorber upper middle position is provided with fixed axis, and this fixed axis is through the fixed shaft hole on described supporting traverse; Described fixed axis and described fixed shaft hole matched in clearance, and this gap location is provided with cushion coat; Between every two adjacent wedge absorbers, be provided with " work " shape slide rail, two wedge absorbers are inserted into respectively the left and right two ends of " work " shape slide rail, and with " work " shape slide rail matched in clearance, its fitting face is smooth structure.
Described a plurality of position that weight plate is symmetricly set on the close left and right two ends of described wedge absorber lower surface of executing.
Below described piezoelectric material layer, be provided with the supporting steel plate being fixed on steel post, for supporting piezoelectric material layer; At described Compress Spring, execute weight plate and piezoelectric material layer near a side of track, be provided with the second gobo body.
Wedging type sound barrier of the present utility model, compared with prior art, has following beneficial effect:
1) structure durable, stable performance;
2) can to the noise in rail traffic noise barrier outside, monitor in real time;
3) the noise reduction sound insulation factor of track traffic external hanging type sound barrier is 10～15dB (A);
4) piezoelectric can generate electricity by the vibration of wedge absorber, for battery charges, thereby without laying separately electricity cable, has reduced the structural complexity of engineering, and can source green and environment-friendly.
Accompanying drawing explanation
Fig. 1 is wedging type noise barrier structure schematic diagram of the present utility model;
Fig. 2 is the structure enlarged drawing of A portion in Fig. 1;
Fig. 3 is the structural representation of wedging type sound barrier of the present utility model side-looking;
Fig. 4 is Compress Spring and the mounting structure schematic diagram of executing weight plate in wedging type sound barrier of the present utility model;
Fig. 5 is the mounting structure schematic diagram of supporting traverse and fixed axis in wedging type sound barrier of the present utility model;
Fig. 6 is the mounting structure schematic diagram of " work " shape slide rail in wedging type sound barrier of the present utility model;
Fig. 7 is the system block diagram of noise monitoring system in wedging type sound barrier of the present utility model.
The specific embodiment
In order to make those skilled in the art person understand better technical solutions of the utility model, below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in Figure 1, a kind of wedging type sound barrier of the present utility model, comprises a plurality of steel posts 1 that are positioned at track 100 1 sides, between adjacent steel column 1, by supporting traverse 2, is interconnected and fixed; Between described steel post 1, be provided with wedge absorber 3; The top of wedge absorber 3 is provided with the first gobo body 15; Away from track 100 1 sides, be provided with sensor noise 4 being positioned at described wedge absorber 3, this sensor noise 4 is connected with control circuit, and control circuit is connected with battery (not shown).
As shown in Figure 7, described control circuit comprises signal acquisition module, single-chip microcomputer and mobile wireless network transmitter module; The output of described sensor noise is connected with the input of signal acquisition module, and the output of signal acquisition module is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with the input of mobile wireless network transmitter module.
Meanwhile, this mobile wireless network transmitter module is sent to signal the mobile wireless network receiver module of noise monitoring head station, and mobile wireless network receiver module passes to signal the processing such as central processing unit analysis, judgement, and is shown by display screen.
In the lower end of described wedge absorber 3, be provided with and execute weight plate 5, be positioned at and execute weight plate 5 belows and be provided with pressure generating set, this pressure generating set comprises piezoelectric material layer 6, wire (not shown) and battery.
Described piezoelectric material layer 6 is positioned to be executed weight plate 5 belows and contacts with executing weight plate 5, and the extruding that can be subject to executing weight plate 5 is generated electricity; Piezoelectric material layer 6 is connected with bridge rectifier, stabilizator (not shown) and battery successively by wire.
When track vehicle passes through, can cause the vibrations of sound barrier, thereby making to execute weight plate 5 can exert pressure repeatedly to piezoelectric material layer 6, make piezoelectric material layer 6 surfaces produce electric charge, and by after rectification, voltage stabilizing, battery is charged, and then can supply the electricity consumption of sensor noise and control circuit thereof.
As shown in Figure 2,3, 4, execute weight plate 5 for a plurality of, and each is executed weight plate 5 upper surfaces and is provided with vertical lead 7, these lead 7 overcoats have Compress Spring 8, and the lower surface of described wedge absorber 3 offers pilot hole 9 simultaneously, and described lead 7 stretches in this pilot hole 9; Described in described Compress Spring 8 one end withstand on, execute on the upper surface of weight plate 5, the other end withstands on the lower surface of described wedge absorber 3, is separated from each other the power of trend respectively to executing weight plate 5 with wedge absorber 3 with the two.
Due to track vehicle by time can cause the vibrations of sound barrier, and this vibrations are irregular vibrations, so in vibrations process, the weight of wedge absorber can not evenly be applied on piezoelectric material layer.And will execute weight plate, by a monoblock, be partitioned into polylith, execute weight plate independence transmission of pressure for every, adjacent executing between weight plate do not produce the pulling force that pins down each other, and making every, to execute weight plate vibrations freer, improves the utilization rate of vibrational energy.
At every, execute on weight plate and be provided with Compress Spring, do not losing under the prerequisite of vibration energy, can form buffering executing between weight plate and wedge absorber, avoid in vibrations frequently between parts because firmly contacting and cause fatigue damage; The setting of lead, can avoid Compress Spring generation skew back, and lead is moved in lead hole, also can increase overall structure stability.
As shown in Figure 5, described wedge absorber 3 upper middle position are provided with fixed axis 10, and this fixed axis 10 is through the fixed shaft hole 11 on described supporting traverse 2; Described fixed axis 10 and described fixed shaft hole 11 matched in clearance, and this gap location is provided with cushion coat 12.
Because the center of gravity of described fixed axis and wedge absorber is positioned on same vertical line, thereby can guarantee that on the one hand fixed axis bears the weight of wedge absorber evenly, not be offset, so that increase integrally-built stability; Fixed axis is positioned on the vertical line of wedge absorber center of gravity on the other hand, be positioned at the wedge absorber part gravity balance of the fixed axis left and right sides, when track vehicle causes vibrations, the state that alternately lift in one end all the time at the two ends, left and right of this wedge absorber, the other end sinks, and one end in sinking state is because Compress Spring is in compressive state, this end of jack-up can make progress, thereby make this end increase, the other end sinks, and so forth, can effectively improve the utilization rate of vibration energy, increase generating efficiency.
Fixed axis is arranged on wedge absorber upper middle position simultaneously, rather than be arranged in the middle part of wedge absorber or the centre position of bottom, also can increase preferably comparatively speaking structural stability, if avoid being arranged in the middle part of wedge absorber or the centre position of bottom, the wedge absorber crank causing, the situation that has the trend of tilting forward and back occur.
Described fixed axis and described fixed shaft hole matched in clearance, for the interference fit of the two, can not hinder the vibration amplitude of sound absorption and insulation screen body; And the cushion coat setting of the two gap location also can be avoided, between fixed axis and fixed shaft hole, hard hit occurs and hits and cause damage.
As shown in Figure 3, described a plurality of position that weight plate 5 is symmetricly set on the close left and right two ends of described wedge absorber 3 lower surfaces of executing.
Due to the setting of fixed axis, make in vibrations process two ends, wedge absorber left and right vibration amplitude larger, middle part vibration amplitude is less, therefore at middle part, wedge absorber lower surface, arranges to execute weight plate and piezoelectric material layer is unnecessary; Wedge absorber lower surface middle part is set to sky simultaneously, make in vibrations process strength all by the piezoelectric material layer at two ends, left and right, born, can further improve the utilization rate of vibration energy, increase generating efficiency.
As shown in Figure 6, between every two adjacent wedge absorbers 3, be provided with the left and right two ends that 13, two wedge absorbers 3 of " work " shape slide rail are inserted into respectively " work " shape slide rail 13, and with " work " shape slide rail 13 matched in clearance, its fitting face is smooth structure.
Be somebody's turn to do the setting of " work " shape slide rail 13, it is fixed on steel post 1, for pegging graft, wedge absorber 3 is installed, and the wedge absorber of being convenient on the one hand whole wedging type sound barrier inserts in the groove of " work " shape slide rail, it is comparatively convenient, quick to install, and also has higher stability simultaneously; On the other hand, the structure of matched in clearance can move up and down wedge absorber when vibrations in the groove of " work " shape slide rail.
As shown in Figure 1, 2, below described piezoelectric material layer, be provided with the supporting steel plate being fixed on steel post, for supporting piezoelectric material layer; At described Compress Spring, execute weight plate and piezoelectric material layer near a side of track, be provided with the second gobo body 14.
This second gobo body 14, further stops sound to spread out of in the gap of shock structure, plays the effect of good sound insulation.
A kind of wedging type sound barrier of the present utility model, compared with prior art, it is very convenient to install, noise reduction sound insulation factor is 10～15dB (A), framework is stable simultaneously, can pass through vibration power generation, and institute's generated energy is directly used in the electricity consumption of supplying with noise monitoring system, energy conservation, even if externally also can meet the requirement to the monitoring of track traffic noise in the situation of power-off.
Claims (7)
1. a wedging type sound barrier, is characterized in that: comprise a plurality of steel posts that are positioned at track one side, between adjacent steel column, by supporting traverse, be interconnected and fixed; Between described steel post, be provided with wedge absorber; Away from track one side, be provided with sensor noise being positioned at described wedge absorber, this sensor noise is connected with control circuit, and control circuit is connected with battery.
2. wedging type sound barrier as claimed in claim 1, is characterized in that: described control circuit comprises signal acquisition module, single-chip microcomputer and mobile wireless network transmitter module; The output of described sensor noise is connected with the input of signal acquisition module, and the output of signal acquisition module is connected with the input of single-chip microcomputer, and the output of single-chip microcomputer is connected with the input of mobile wireless network transmitter module.
3. wedging type sound barrier as claimed in claim 2, it is characterized in that: in the lower end of described wedge absorber, be provided with and execute weight plate, be positioned at and execute weight plate below and be provided with pressure generating set, this pressure generating set comprises piezoelectric material layer, wire and battery; Described piezoelectric material layer contacts with executing weight plate below being positioned at and executing weight plate, can be subject to executing the extruding of weight plate; Piezoelectric material layer is connected with bridge rectifier, stabilizator and battery successively by wire.
4. wedging type sound barrier as claimed in claim 3, it is characterized in that: described in to execute weight plate be a plurality of, and each is executed weight plate upper surface and is provided with vertical lead, this lead overcoat has Compress Spring, the lower surface of described wedge absorber offers pilot hole simultaneously, and described lead stretches in this pilot hole; Described in described Compress Spring one end withstands on, execute on the upper surface of weight plate, the other end withstands on the lower surface of described wedge absorber, gives respectively to execute weight plate and wedge absorber is separated from each other the power of trend with the two.
5. wedging type sound barrier as claimed in claim 4, is characterized in that: described wedge absorber upper middle position is provided with fixed axis, and this fixed axis is through the fixed shaft hole on described supporting traverse; Described fixed axis and described fixed shaft hole matched in clearance, and this gap location is provided with cushion coat; Between every two adjacent wedge absorbers, be provided with " work " shape slide rail, two wedge absorbers are inserted into respectively the left and right two ends of " work " shape slide rail, and with " work " shape slide rail matched in clearance, its fitting face is smooth structure.
6. wedging type sound barrier as claimed in claim 5, is characterized in that: described a plurality of positions that weight plate is symmetricly set on the close left and right two ends of described wedge absorber lower surface of executing.
7. wedging type sound barrier as claimed in claim 6, is characterized in that: below described piezoelectric material layer, be provided with the supporting steel plate being fixed on steel post, for supporting piezoelectric material layer; At described Compress Spring, execute weight plate and piezoelectric material layer near a side of track, be provided with the second gobo body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592963.6U CN203514215U (en) | 2013-09-25 | 2013-09-25 | Wedge type sound barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320592963.6U CN203514215U (en) | 2013-09-25 | 2013-09-25 | Wedge type sound barrier |
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| Publication Number | Publication Date |
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| CN203514215U true CN203514215U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320592963.6U Expired - Fee Related CN203514215U (en) | 2013-09-25 | 2013-09-25 | Wedge type sound barrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485289A (en) * | 2013-09-25 | 2014-01-01 | 江苏远兴环保集团有限公司 | Wedge type sound barrier |
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2013
- 2013-09-25 CN CN201320592963.6U patent/CN203514215U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485289A (en) * | 2013-09-25 | 2014-01-01 | 江苏远兴环保集团有限公司 | Wedge type sound barrier |
| CN103485289B (en) * | 2013-09-25 | 2016-06-29 | 江苏远兴环保集团有限公司 | Wedge type sound barrier |
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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 |
Granted publication date: 20140402 Termination date: 20150925 |
|
| EXPY | Termination of patent right or utility model |