WO2010043314A1 - Dispositif de commande de fluide et véhicule automobile équipé de ce dispositif - Google Patents

Dispositif de commande de fluide et véhicule automobile équipé de ce dispositif Download PDF

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Publication number
WO2010043314A1
WO2010043314A1 PCT/EP2009/007091 EP2009007091W WO2010043314A1 WO 2010043314 A1 WO2010043314 A1 WO 2010043314A1 EP 2009007091 W EP2009007091 W EP 2009007091W WO 2010043314 A1 WO2010043314 A1 WO 2010043314A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
control device
fluid control
bending
working
Prior art date
Application number
PCT/EP2009/007091
Other languages
German (de)
English (en)
Inventor
Michael Weinmann
Gebhard Munz
Stefan Schwarz
Peter Waiblinger
Thomas Müller
Rolf Kayser
Original Assignee
Festo Ag & Co Kg
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 Festo Ag & Co Kg filed Critical Festo Ag & Co Kg
Priority to CN200980141229.4A priority Critical patent/CN102187135B/zh
Publication of WO2010043314A1 publication Critical patent/WO2010043314A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
    • F16K31/005—Piezoelectric benders
    • F16K31/006—Piezoelectric benders having a free end

Definitions

  • the invention relates to a fluid control device having at least one piezoelectric valve, which has a valve housing and at least one valve chamber formed therein, wherein in the valve chamber a Bieoderlerö is arranged, comprising two lamellar, juxtaposed side by side and deflectable by electrical activation in mutually parallel Auslenkebenen bending transducer and which has at its rear end portion a rigid connection of the bending transducer causing bearing portion over which it is pivotally mounted about a transverse to the Auslenkebenen axis of rotation relative to the valve housing, each bending transducer extends over a individually controllable by him valve opening and this controllable valve openings also open into the valve chamber as another, not controllable by the Bieoderlertechnik valve opening, and wherein each bending transducer for taking a ste through it Unlockable valve opening occlusive closed position can be supported on a valve seat framing the relevant valve opening.
  • the invention further relates to the use of such a fluid control device in a
  • the vehicle seats are more and more equipped with comfort features, especially with functions for massage of the vehicle occupants.
  • the massage function can be exercised by integrating air cushions in the vehicle seat in question, which are alternately aerated and vented to selectively apply, for example, the back of the human body alternately a more or less strong 5 pressure.
  • the related measures should be very efficient in order to meet the increasing demands for energy consumption with low weight.
  • the special design causes a Hubveriererung the bending transducer, so that large flow cross-sections released and high fluid flow rates can be provided.
  • Piezo valve to operate as a 2/2 way valve, in which case only one of the bending transducer is associated with a controllable valve opening and the other bending transducer is used only for support in the sense of increasing the Auslenkhubes. Because of the simpler structure, however, in cases where the usual bending transducers made available Auslenkhub 5 is sufficient, rely on piezo valves with only a single bending transducer, especially since it is also associated with a lower weight. To control a plurality of consumers would then fall back on several such simple piezo valves.
  • the present invention has for its object to provide a lo fluid control device that allows for compact dimensions efficient control of multiple consumers.
  • the fluid control device in conjunction with the aforementioned i5 features characterized in that the uncontrolled Ventil ⁇ réelle is a feed for feeding the fluid to be controlled feed valve opening and the controllable valve openings each an individual, connectable to a consumer load working Valve opening such that the mini-
  • 2o least one piezo valve defines two valve units, each with the functionality of a 2/2 way valve.
  • the piezoelectric valve preferably allows pertinent operation such that the two bending transducers, while excluding the possibility of simultaneous active release of the two working valve openings, either simultaneously occupy a closed position occluding the respective associated working valve opening or can be deflected individually into an open position lifted from the associated valve seat are.
  • the particular safety aspect lies in the fact that, in the event of a simultaneous activation or electrical actuation of both bending transducers intentionally caused, none of the bending transducers will be moved into the open position, because the rear bearing section, due to its articulation with respect to the valve housing and the rectified deflection, of both bending transducers no support required for the deflection of the bending transducer with respect to the valve housing experiences.
  • Another advantage of the arrangement is that the piezo valve due to the special design and storage of Bieoderleriere temperature-compensated material expansions 2o can largely compensate, so that especially the tightness in the closed position of the bending transducer is guaranteed in a wide temperature range.
  • the fluid control device proves to be particularly advantageous when used in a motor vehicle, in particular in conjunction with at least one, in particular for massaging purposes usable vehicle seat of a motor vehicle, and contributes to a significant weight saving in a motor vehicle equipped with it. It is possible to connect consumer airbags of a vehicle seat to the working valve openings of one or, if present, a plurality of piezo valves and then apply these airbags in a predetermined operating pattern with compressed air. With regard to the aforementioned safety function, it is possible to connect such air cushions, which under no circumstances may be simultaneously actuated, to the working valve openings of one and the same piezo valve.
  • the at least one piezoelectric valve has spring means by which the two bending transducers are biased in their respective closed position.
  • spring means by which the two bending transducers are biased in their respective closed position.
  • a cost-effective implementation of the bending transducer is recommended with a so-called monomorph structure.
  • a carrier layer which expediently extends over the storage section away, in the region of the two bending transducers only one side, on the valve seats opposite side, equipped with a single or multi-layered piezoelectric body.
  • the other side of the carrier layer can be unoccupied or equipped with a matching layer serving to compensate for thermal expansions.
  • such a design is advantageous in that the piezoceramic body in question can be actuated with different electrical polarity if required, thereby also causing elongation in the shortening of the piezoelectric body causing it to shift into an open position.
  • the latter can be used, for example, to cause a deflection of the bending transducer in the direction of the valve seat while maintaining the closed position, and thereby, due to the rigid connection caused by the storage section, an enlargement of the opening stroke of the other bending transducer.
  • the storage section is preferably located on its pivotable mounting and for defining the axis of rotation on housing-fixed support means to which it is pressed by spring means.
  • the support means in particular cause a punctiform and / or linear support, so that the support section can perform an unimpeded tilting movement, which ultimately causes the bending transducer unit to pivot.
  • the fluid control device may be equipped with only one or more of the piezo valves according to the invention lo.
  • the piezo valves for example, a battery-like individual arrangement is possible, but also an implementation in which all piezo valves have a common valve housing, which is equipped with a plurality of each one of the Bieoderler GmbH receiving i5 valve chambers.
  • Both the at least one piezoelectric valve and the possibly present control valve device can optionally be designed to perform a purely digital switching function or to realize a continuous valve function with an infinitely variably predetermined opening cross-section.
  • a suitable pressure sensor device can also realize a pressure-controlled operation.
  • the fluid control device is expediently also equipped with an electronic control device which assumes the necessary coordination.
  • FIG. 1 shows a schematic illustration of a preferred embodiment of the fluid control device according to the invention in conjunction with a motor vehicle (not shown), only two of which are indicated by a larger number of existing piezo valves,
  • FIG. 2 shows a piezo valve of the fluid control device shown in FIG. 1 in a partially schematic representation
  • FIG. 3 shows the piezo valve from FIG. 2 in a stepped longitudinal section according to section line III-III,
  • FIG. 4 shows a cross section through the piezo valve according to section line IV-IV from FIG. 3
  • Figure 5 is a schematic longitudinal sectional view through the piezoelectric valve in a state of simultaneous taking the closed position by both bending transducers, and
  • a fluid control device 1 in a preferred embodiment as a compact seat arrangement of a motor vehicle 10.
  • a vehicle seat 2 of the motor vehicle 10 is equipped with a plurality of fluidly activatable consumers 3, which are exemplified by volume-adjustable air cushions 4 acts.
  • the air cushions 4 are arranged, for example, distributed in the backrest of the vehicle seat i5, in an ergonomically appropriate distribution pattern.
  • Each air cushion 4 can be filled with compressed air, which is provided by a pressure source 5, wherein it inflates more or less depending on the degree of filling. No longer required air can be discharged to a 2o pressure sink, in particular the atmosphere R, so that the volume of the air bag 4 is reduced again.
  • a massage effect on the person using the vehicle seat 2 can be exercised.
  • Each consumer 3 contains at least one working chamber 6 with attached working line 7 for the supply and discharge of the pressure medium.
  • the consumers 3 may at least partly also be other units which can be activated by means of fluid power, for example actuators in the form of pneumatic cylinders.
  • the pressure source 5 is in the embodiment of a present in the motor vehicle compressed air storage, which is fed by a compressor not shown.
  • the fluid control device 1 is equipped in the embodiment with a plurality of piezo valves 8 of which two pieces are shown.
  • the illustration in Figure 1 is purely functional, the structural structure of the piezo valves 8 mediate the figures 2 to 7, in which one of each other in particular identically designed piezo valves 8 is shown in different views.
  • Each piezo valve 8 combines in itself the function of two valve units 14a, 14b, each with its own 2/2 -way valve function.
  • Each valve unit 14a, 14b is associated with one of two working valve openings 12a, 12b formed on the valve housing 11 of the piezo valve 8 to which one of the consumers 3 is connected by means of one of the working lines 7.
  • two valve units 14a, 14b are associated with a feed valve opening 13, likewise arranged on the valve housing 11, via which the pressure medium to be fed to the consumers 3 is fed into the piezo valve 8 and which is also used in the exemplary embodiment no longer required print medium again from the connected consumers 3 dissipate.
  • each piezo valve 8 delimits a valve chamber 15, in which the valve member 16 of each valve til unit 14a, 14b is received, so that both valve members 16 are housed in one and the same valve chamber 15.
  • the feed valve opening 13 and the two working valve openings 12a, 12b open into one and the same valve chamber 15.
  • Each valve member 16 is able, depending on the switching position, either shut off or release the fluidic connection between the feed valve opening 13 and its associated working valve opening 12a or 12b.
  • the fluid control device 1 expediently also has a piezo valve 8 upstream, in particular electrically actuated control valve 17.
  • a piezo valve 8 upstream, in particular electrically actuated control valve 17.
  • This is provided in the embodiment with a 3/3 -way valve function and has the output side via a working port 18, which - expediently via a common control line 22 - at the same time all feed valve openings 13 of a plurality of piezo valves 8 is connected.
  • other functionalities of the control valve device are also possible, for example as a 3/2-way valve.
  • all existing piezo valves 8 can be connected to one and the same control valve device 17. However, a more variable mode of operation is possible if the piezo valves 8 are functionally combined to form a plurality of valve groups, which are each connected to a separate control valve device 17. These several control valve devices 17 can then be electrically actuated and activated, as well as the piezo valves 8, independently of one another and in particular according to a desired pattern.
  • the fluid control device 1 expediently contains a electronic control device 23.
  • a electronic control device 23 In it can process - programs for different operating patterns of the piezo valves 8 and control valve means (s) 17 are stored, which are individually retrievable by command input from the outside - 24 indicated by an arrow s.
  • the command input 24 takes place, for example, via a switch arrangement or a display in the vehicle interior.
  • control valve device 17 preferably also has a feed connection 25 connected to the pressure source 5 lo and a discharge connection 26 connected to the pressure sink R.
  • the control valve device 17 of the embodiment is designed as a 3o Stetigventil pain. This can also be done
  • a pressure sensor device 27 is expediently connected to the working connection 18 or to the control line 22 leaving it, which communicates with the electronic control device 23 and supplies the measured values or already processed values. Based on this, the electronic control device 23 can then drive and position the control valve device 17 such that a constant or even a fluid pressure that varies according to a predetermined pattern is present at the feed valve openings 13.
  • control valve device 17 may also be designed as a simple switching valve device, which allows a purely digital switching function.
  • the electronic control device 23 is expediently - indicated by dashed arrows 21 - also connected to each Pie- zoventil 8 to supply the control signals necessary for its operation.
  • the piezo valves 8 can be used either as switching valves or as continuous valves - often referred to as "proportional valves".
  • the piezo valves 8 there is the particular advantage that their design allows both types of use and thus the actual form of use can be specified via the type of electrical activation. In this way, very diverse operating modes of the piezo valves 8 and control valve device (s) 17, which are coordinated with one another based on extensive factors, are possible.
  • the two valve members 16 are each formed by a lamellar first or second bending transducer 28a, 28b.
  • These two bending transducers 28a, 28b are an integral part of a preferably substantially U-shaped bending transducer unit 32, whose two adjacent legs form them.
  • the bending transducer unit 32 extends in a main plane 33, to which the longitudinal axes 37 of the two bending transducers 28a, 28b run parallel, which are simultaneously parallel to one another.
  • the two bending transducers 28a, 28b preferably extend alongside one another, preferably without touching each other, so that a gap 34 separating them from one another remains between them.
  • the bending transducers 28a, 28b run free. On the other hand, they are firmly connected to each other to form the bending transducer unit 32 by means of a bending-resistant and in particular plate-shaped, storage section 35.
  • the bending transducer unit 32 as a plate into which a gap 34 forming the longitudinal slot has been introduced.
  • the bending converter unit 32 is mounted in the valve housing 11.
  • the storage section 35 is not immovably clamped immovably, but in such a way that it has a rotational degree of freedom with respect to the valve housing 11, the total twisting and consequently the entire bending transducer unit 32 pivoting according to the double arrow 36 relative to the valve housing 11 allows.
  • the axis of rotation for this possible rotation or pivoting movement is indicated at 39.
  • the axis of rotation 39 extends at right angles to the mutually parallel longitudinal axes 37 of the two bending transducers 28a, 28b and preferably at the same time parallel to the main plane 33rd
  • the axis of rotation 39 could be realized for example by a conventional pivot bearing by means of a shaft or stub axle or the like. Because of the small dimensions of the piezoelectric valve 8, however, it is advisable to use the type of bearing realized in the exemplary embodiment, in which the bending transducer unit 32 rests with its bearing section 35 on support means 38 which are fixed on the housing. on the other hand also on the valve housing 11 supporting spring means 42 is pressed against the support means 38. The support means 38 and the spring means 42 thus act on the storage portion 35 from opposite sides of the main plane 33.
  • the support means 38 are formed so that in the contact area with the storage portion 35, a line-shaped or punctiform support results in% of the desired axis of rotation 39 parallel direction.
  • a contact area that is as narrow as possible is advantageous, so that the bending transducer unit 32 can tilt freely to ensure the rotational movement 36.
  • the bending transducers 28a, 28b can be activated in a manner known per se in such a way on the basis of the reverse piezoelectric effect that they undergo a deflection perpendicular to the main plane 33 according to the double arrows 44, their Auslenkebenen 45 parallel to the longitudinal axes 37 and at the same time are oriented to the main plane 33.
  • the Auslenkebenen 45 of both bending transducers 28a, 28b are parallel to each other.
  • This performance is used to control the degree of opening of the working valve ports 12a, 12b.
  • the working valve openings 12a, 12b are placed so that each one of the two bending transducers 28a, 28b extends with its front end region over in each case one of the working valve openings 12a, 12b.
  • the working valve openings 12a, 12b are therefore on the one, the same side of the main plane 33 and in this case the Bieoderlermaschine 32 faces.
  • Each working valve opening 12a, 12b is framed by a housing-fixed valve seat 46, which is preferably raised.
  • the bending transducer unit 32 is installed in such a way that, in the non-actuated initial state, each of its bending transducers 28a, 28b abuts against its associated valve seat 46 and thereby assumes a closed position in which the associated working valve opening 12a, 12b is closed in a fluid-tight manner. This results in a function of the type "normally closed” for both bending transducers 28a, 28b.
  • the bending transducers 28a, 28b can be equipped with a sealing element to optimize the sealing quality.
  • both bending transducers 28a, 28b are biased into the closed position, so with bias against the valve seats 46.
  • the spring means 47 in such a way that they act on the region of the bearing section 35 which lies on the side of the rotation axis 39 facing the bending transducers 28a, 28b.
  • a design is preferred in which the spring means 47 act directly on the bending transducers 28a, 28b, in particular in the region of the valve seats 46, so that the spring force acts directly as a closing force.
  • the spring means 47 can be dispensed with, even if without them - for example, by the fluid pressure prevailing in the valve chamber 15 - an abutment of the bending transducers 28a, 28b on the valve seats 46 is ensured.
  • each bending transducer 28a, 28b is acted upon by its own spring element 47a, 47b of the spring means 47.
  • the spring forces exerted in this case are in particular the same size, so that the closing forces are identical. However, deviations would be possible.
  • the spring means 42 acting on the bearing section 35 and the spring means 47 acting on the bending transducers 28a, 28b can be components of a single, common spring unit which acts on the bending transducer unit 32 from one side of the main plane 33 and the same against the one on the other side Main plane 33 arranged support means 38 and valve seats 46 presses.
  • the feed valve opening 13 also opens into the valve chamber 15, but in such a way that its opening cross section is independent of the activation state of the bending converter unit 32.
  • valve chamber 15 is connected via the feed valve opening 13 to the pressure source 5 and consequently subjected to pressurized medium, in particular compressed air, under atmospheric pressure.
  • pressurized medium in particular compressed air
  • the fluid pressure acts in addition to the spring means 47 in the closing direction on the bending transducer 28a, 28b and thereby amplifies the closing force.
  • the associated bending transducer 28a, 28b is activated such that it is deflected away from the associated valve seat 46.
  • the other bending transducer remains deactivated and serves as a support element for the storage section 35, so that it is not rotated about the rotation axis 39. This is the desired Lifting the activated bending transducer from the associated valve seat 46 guaranteed.
  • Each of the two bending transducers 28a, 28b can be activated in the manner described, which, with the other bending transducer deactivated, results in the activated bending transducer being deflected into an open position and the associated working valve opening 12a, 12b for connection to the Feed valve opening 13 releases.
  • the two bending transducers 28a, 28b are unintentionally activated at the same time in the direction of opening, this advantageously has no effect on the currently occupied closed positions. Since the bending transducers can not support each other here, they bend somewhat, but keep both working valve openings 12a, 12b closed. In this way, malfunctions can be avoided and it is ensured that only one of the two working valve openings 12a, 12b can be released at the same time.
  • each bending transducer 28a, 28b has a piezoelectrically inactive carrier layer 48, which is equipped with a piezoelectrically active piezoelectric body 52 only on the side remote from the valve seats 46.
  • the latter can be monolithic or multi-layered.
  • electrodes not shown in more detail, connected to the electrical conductors 43, are present in a manner known per se.
  • the carrier layer 48 may be provided on the side facing the valve seat 46 on the side facing the piezoelectric body 52 with an in Figure 2 dash-dotted lines indicated matching layer 53 be equipped. It consists, for example, like the carrier layer 48, of a carbon fiber and / or glass fiber reinforced plastic material.
  • the carrier layer 48 expediently extends in one piece over the storage section 35, so that the bending converter unit 52 forms a solid composite material.
  • the carrier layer 48 would be equipped on both sides with a respective piezoelectric body 52.
  • a mirror-image activation of the bending transducers 28a, 28b would be conceivable in order to reinforce the opening stroke of the respective bending transducer activated in the opening direction.
  • the above-mentioned safety function would still be obtained because, in addition, only one of the working valve openings 12a, 12b could be opened at the same time.
  • the piezoelectric valve 8 easily allows operation as a continuous valve with variable specification of the released opening cross-section of the working valve openings 12a, 12b.
  • the deflection stroke can be set variably and thus the distance of the respective bending transducer from the valve seat 46 in the respective open position. It is thus possible to realize steplessly different open positions, which differ in the released opening cross-section, in order thereby to vary the filling duration and / or the duration of the bleeding with respect to the connected consumers 3. Whether a filling process or a deaeration process takes place depends on the switching position of the control valve device 17. However, their current switching position only affects those Consumers 3, which are connected to a currently located in an open position valve unit 14a, 14b.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

L’invention concerne un dispositif de commande de fluide, présentant au moins une vanne piézoélectrique (8), équipée d’un ensemble transducteur de flexion (32) contenant deux transducteurs de flexion (28a, 28b) logés de manière pivotante. Chaque transducteur de flexion (28a, 28b) commande une ouverture de vanne de travail (12a, 12b) pouvant être reliée à un consommateur, une ouverture simultanée des deux ouvertures de vanne de travail (12a, 12b) étant exclue en raison du logement pivotant.
PCT/EP2009/007091 2008-10-17 2009-10-05 Dispositif de commande de fluide et véhicule automobile équipé de ce dispositif WO2010043314A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200980141229.4A CN102187135B (zh) 2008-10-17 2009-10-05 流体控制装置及其在汽车中的应用

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008051837.9 2008-10-17
DE200810051837 DE102008051837B3 (de) 2008-10-17 2008-10-17 Fluidsteuervorrichtung und Verwendung derselben

Publications (1)

Publication Number Publication Date
WO2010043314A1 true WO2010043314A1 (fr) 2010-04-22

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ID=41395839

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/007091 WO2010043314A1 (fr) 2008-10-17 2009-10-05 Dispositif de commande de fluide et véhicule automobile équipé de ce dispositif

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CN (1) CN102187135B (fr)
DE (1) DE102008051837B3 (fr)
WO (1) WO2010043314A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2518378B1 (fr) * 2011-04-28 2013-12-25 Inzi Controls Co., Ltd. Vanne piézo-électrique
EP2549125B1 (fr) * 2011-07-22 2016-12-28 Festo AG & Co. KG Dispositif de vanne
DE102012209449A1 (de) * 2012-06-05 2013-12-05 Conti Temic Microelectronic Gmbh Verfahren und Vorrichtung zum Befüllen und Entleeren eines Sitzkissens
DE102014101542A1 (de) * 2014-02-07 2015-08-13 Marco Systemanalyse Und Entwicklung Gmbh Pneumatikventil und Ventileinheit
JP6415418B2 (ja) * 2015-11-27 2018-10-31 株式会社アドヴィックス 流体制御弁装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608550A1 (de) * 1986-03-14 1987-09-17 Festo Kg Piezo-elektrisch betaetigbares ventil
DE20019705U1 (de) * 2000-11-20 2001-02-15 Festo AG & Co, 73734 Esslingen Piezo-Biegewandlereinheit und damit ausgestattetes Piezoventil
EP1207329A1 (fr) * 2000-11-20 2002-05-22 FESTO AG & Co Soupape piezoélectrique
EP1758007A1 (fr) * 2005-08-23 2007-02-28 Festo Ag & Co. Régulateur de position actionné par fluide
WO2008108693A1 (fr) * 2007-03-05 2008-09-12 Husqvarna Aktiebolag Agencement de vanne à fluide

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608550A1 (de) * 1986-03-14 1987-09-17 Festo Kg Piezo-elektrisch betaetigbares ventil
DE20019705U1 (de) * 2000-11-20 2001-02-15 Festo AG & Co, 73734 Esslingen Piezo-Biegewandlereinheit und damit ausgestattetes Piezoventil
EP1207329A1 (fr) * 2000-11-20 2002-05-22 FESTO AG & Co Soupape piezoélectrique
EP1758007A1 (fr) * 2005-08-23 2007-02-28 Festo Ag & Co. Régulateur de position actionné par fluide
WO2008108693A1 (fr) * 2007-03-05 2008-09-12 Husqvarna Aktiebolag Agencement de vanne à fluide

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Publication number Publication date
CN102187135B (zh) 2014-04-09
DE102008051837B3 (de) 2010-04-22
CN102187135A (zh) 2011-09-14

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