Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
  • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
  • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
  • F15B13/08—Assemblies of units, each for the control of a single servomotor only
  • F15B13/0803—Modular units
  • F15B13/0832—Modular valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
  • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
  • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
  • F15B13/08—Assemblies of units, each for the control of a single servomotor only
  • F15B13/0803—Modular units
  • F15B13/0807—Manifolds
  • F15B13/0814—Monoblock manifolds
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
  • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
  • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
  • F15B13/08—Assemblies of units, each for the control of a single servomotor only
  • F15B13/0803—Modular units
  • F15B13/0846—Electrical details
  • F15B13/085—Electrical controllers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
  • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
  • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
  • F15B13/08—Assemblies of units, each for the control of a single servomotor only
  • F15B13/0803—Modular units
  • F15B13/0846—Electrical details
  • F15B13/0857—Electrical connecting means, e.g. plugs, sockets
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
  • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
  • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
  • F15B13/08—Assemblies of units, each for the control of a single servomotor only
  • F15B13/0803—Modular units
  • F15B13/0878—Assembly of modular units
  • F15B13/0885—Assembly of modular units using valves combined with other components
  • F15B13/0892—Valves combined with fluid components
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
  • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
  • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
  • F15B13/08—Assemblies of units, each for the control of a single servomotor only
  • F15B13/0803—Modular units
  • F15B13/0878—Assembly of modular units
  • F15B13/0896—Assembly of modular units using different types or sizes of valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
  • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
  • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems

Definitions

• the invention relates to a valve battery, with a plurality of electrically actuated control valves, which are each connected simultaneously to at least one common supply channel and at least one common vent channel and can control the connection of these channels, each with at least one connectable to a consumer individual working channel, with at least a feed channel for feeding pressure medium intended for the at least one common supply channel, and having a safety valve interposed between the at least one feed channel and the at least one common supply channel for selectively enabling or shutting off the channel connection.
• a known from EP 1 041 325 Bl valve battery of this type includes a plurality of control valves each equipped with a control module, which are combined to form a module assembly.
• a common supply channel passing through the module arrangement, all the control valves can be supplied with pressure medium at the same time.
• the venting of the control valves is done via one or two, the module assembly also passing common venting channels.
• the common supply channel is preceded by a shut-off valve which can be used as a safety valve and which is capable of shutting off the common supply channel from a feed channel leading the pressure medium, if one Disorder occurs.
• the valve battery is then decoupled from the print media network. However, if the shut-off process is performed with the valve manifold still under full supply pressure, the pressure medium sealed off in the valve manifold can continue to be the cause of undesirable switching functions of the control valves.
• valve battery is designed so that the safety valve can be switched to a venting position, in which it vents the at least one common supply channel and at the same time shuts off the feed channel.
• shut-off time in the at least one common supply channel of the valve battery located pressure medium is not simply trapped, but vented to the atmosphere with shut-off feed channel.
• the valve battery is therefore depressurized on the supply side, so that even with subsequently occurring switching operations of the control valves in the connected consumers no unwanted functions are triggered.
• the safety valve can be structurally easily configured so that it automatically switches to the venting position, for example, if a power failure and / or a failure of the supply pressure occurs.
• valve battery In order to make the valve battery ready for operation as quickly as possible after venting, it can be equipped with at least two 5 feed ducts that are connected in parallel with the common supply duct of the valve manifold in the passage position of the safety valve. The pressure medium can then flow into the valve battery at high flow.
• the venting of the at least one common supply channel can be done, for example, exclusively via at least one of the existing at least one common venting channel of the valve manifold. In this way, an additional venting channel in the valve battery is unnecessary. i5 If the valve battery contains two common venting channels for the control valves, as is often the case with valve manifolds, the safety valve may be designed so that both common venting channels of the valve can be vented to the at least one common supply channel.
• the safety valve is expediently designed to be electrically active. It can receive its electrical operating signals individually or via an optionally present in the valve battery standard electrical Verkettungs Rhein.
• the safety valve is designed so that it is held in the electrically deactivated lo state by spring means in the venting position. In order to maintain the passage position, the safety valve is electrically activated and deflected its valve member against the spring force. If during operation the power fails or, in the case of a pilot-operated variant, the pilot control pressure, the safety valve is reliably switched back to the harmless venting position by the spring preload.
• the vent flow passes through a cavity formed in the valve slide of the safety valve. This allows a particularly advantageous channel interconnection.
• the safety valve can be installed or installed at any suitable point on the valve manifold. In any case, it is on board the valve battery, so compact 5 dimensions without external safety components are needed.
• the safety valve is part of an independent safety module, which together with at least one control valve containing control modules to a module assembly together 0 is taken.
• the security module in the series incorporated by control modules, for example as a termination module or as an intermediate module. The latter allows an intermediate supply of the pressure medium required for the operation of the valve battery at practically any point.
• the valve battery includes a modular fluid distributor with individual fluid distribution modules, which are equipped to form the control modules with the control valves and the formation of the safety module with a safety valve and which are modularly attached to each other.
• the fluid distribution modules preferably each contain two individual working channels connected to the respective associated control valve for controlling a consumer.
• the fluid distribution module of the safety valve is expediently also interspersed with two individual fluid channels, at least one of which forms a feed channel for the common supply channel.
• the second fluid channel can be used as a further feed channel connected in parallel or as an additional venting channel. If it is not needed, it can be closed by a stopper if necessary.
• FIG. 1 shows a preferred embodiment of the valve battery according to the invention in a perspective view and with the terminating element of the fluid distributor of the valve battery removed
• FIG. 2 shows a section through the valve manifold from FIG. 1 according to section line II-II in the area of the safety valve
• FIG. 3 shows the safety valve inserted in the arrangement of FIGS. 1 and 2 in longitudinal section in a longitudinal direction
• FIG. 4 shows the safety valve from FIG. 3 in the passage position usually assumed during normal operation
• FIG. 5 shows, in a representation corresponding to FIG. 3, a modified safety valve when the venting position is taken
• FIG. 6 shows the safety valve of Figure 5 in the passage i5 position.
• valve manifold 6 includes a fluid distributor 8 which extends in the direction of a longitudinal axis 7 and is equipped on a mounting surface 12 with a plurality of electrically controllable control valves 13.
• the control valves 13 are arranged successively in a direction of rotation 14 indicated by a double arrow, which coincides with the longitudinal axis 7.
• a safety valve 15 Also seated on the mounting surface 12, incorporated into the series of control valves 13, 5 a safety valve 15. The latter closes in the embodiment, the series of control valves 13 at one end.
• the fluid distributor 8 is penetrated in its longitudinal direction by at least one common for all control valves 13 supply channel 1.
• a first and second common vent channel 3, 5, which open like the common supply channel 1 several times to the mounting surface 12, so that each control valve 13 with each of the common supply channels 1 and venting channels 3, 5 is in communication.
• the common supply channel 1 and the two common venting channels 3, 5 open at a placement space 16 of the mounting surface 12, on which the safety valve 15, for example, by a screw, is detachably mounted.
• both the common supply channel 1 and the first and second common vent channel 3, 5 communicate with each control valve 13 and also with the safety valve 15.
• Each control valve 13 further communicates with two specifically associated with him individual working channels 17, 18 which pass through the fluid manifold 8 transversely to the longitudinal axis 7 and at one end to the mounting surface 12 to the associated control valve 13 and the other end along the outside at Fluidver 8 to a connection surface 22 merge.
• the working channels 17, 18 can be connected to fluid lines (not shown in more detail), which lead to consumers to be controlled, for example to drives actuatable by fluid force.
• valve battery 6 In normal operation of the valve battery 6 is in the common supply channel 1 under a supply pressure pressure medium, in particular compressed air available. This comes from a pressure source P which is connected to the valve battery 6.
• the control valves 13 can be actuated electrically and can each be brought into different switching positions, in which they connect the respectively connected NEN individual working channels 17, 18 each optionally with the common supply channel 1 or one of the two common venting channels 3, 5 in conjunction. As a rule, there is a so-called 5/2 switching function.
• the operating signals required for the electrical actuation of the control valves 13 - are to be understood as both control signals and actuation energy - arrive at electrical connections of the control valves 13, which are not shown in more detail, via an electrical linkage device extending in the line-up direction an electronic control device which can be arranged on board the valve battery 6 and / or externally.
• the control valves 13 are expediently pilot operated valves, each with an electrically actuated pilot valve device, for example a solenoid valve device.
• Each pilot valve device may be composed of one or two electrically operable pilot valves.
• the two common venting channels 3, 5 open out of the mounting surface 12 to the outer surface of the fluid manifold 8 and are connected via their outlets with the atmosphere in connection. This can be done directly or with the interposition of silencers, or by a controlled derivative to another point in the atmosphere.
• the fluid loading of the common supply channel 1 is controllable by the safety valve 15 located on board the valve battery 6.
• the safety valve 15 includes an outlet port connected to the common supply passage 1 24. Furthermore, it has two vent ports 25, 26, the first (25) with the common vent passage 3 and the second (26) are in constant communication with the common vent passage 5.
• the safety valve 15 has two more valve ports 27, 28, which are each connected to an individual first or second fluid distribution channel 2, 4.
• the latter expediently also lead to the connection surface 22 of the fluid distributor 8, where it can be equipped with connecting means not shown in greater detail, which allow the connection of a fluid conduit leading away.
• the one, first fluid distribution channel 2 forms a permanently connected to the pressure source i5 P in operation feed channel 32nd
• the second fluid distribution channel 4 is also a feed channel 33 in the embodiment of Figures 2 to 4, which is also constantly connected in parallel with the other feed channel 32 to the pressure source P.
• the second fluid distribution channel 4 functions as an additional ventilation channel 34 provided in addition to the common ventilation channels 3, 5. Its opening provided on the connection surface 22 communicates directly or indirectly with the interposition of a mounted silencer during operation of the valve battery 6 the immediate atmosphere or with an exhaust duct leading to another location in the atmosphere.
• the common supply channel 1 is exclusively via the at least one input channel 32, 33 with that for the operation of the valve battery 6 need pressure medium supplied.
• An otherwise, not controllable by the safety valve 15 pressure medium feed into the common supply channel 1 is not provided.
• All the exemplary embodiments of the valve battery 6 have in common that with the aid of the safety valve 15, the connection between the at least one feed channel 32, 33 and the common supply channel 1 connected to the safety valve 15 can be selectively enabled or shut off.
• both feed-in channels 32, 33 are connected at the same time with the common supply channel 1 at the front.
• the common supply channel 1 is shut off from the respective associated feed channel 32 and 33, respectively, in a fluid-tight manner. At the same time, however, it is vented to the atmosphere due to a venting position assumed by the safety valve 15. In the embodiment 0 of Figures 2 to 4, this is done by an unlocked connection between the common supply channel 1 and the first common vent channel 3. In the embodiment of Figures 5 and 6, the common supply channel 1 is ventilated simultaneously via both the second common vent channel 5 and the additional vent passage 34.
• the second common venting channel 5 is not used for the venting process controlled by the safety valve 15.
• the 0 safety valve 15 is here designed so that the second vent port 26 remains shut off regardless of the position of the valve spool 35 of the safety valve 15.
• both common ventilation channels 3, 5 and the additional ventilation channel 34 could be simultaneously activated for venting the common supply channel 1. set, or even only the existing additional ventilation duct 34, wherein in the latter case both common venting channels 3, 5 would not participate in the venting function of the safety valve 15.
• vent passage 34 does not communicate with an individual Fluidvertei- lerkanal 4, but leads directly to an uncovered outer surface of the valve housing 36 of the safety valve 15, from there, bypassing the Fluidver divider 8, to allow a vent to the atmosphere.
• the safety valve 15 is expediently designed to be electrically activated regardless of its further configuration. It has an electrical interface 37 for feeding in the operating signals required for its actuation. These can be fed individually or via the existing electrical interlinking device 23, the latter comparable to the electrical control of the control valves 13th
• the safety valve 15 in the embodiments is in each case a pilot-operated multi-way valve. It contains an electrically operable pilot valve 38, for example a solenoid valve whose activation state is responsible for the current operating state of the safety valve 15.
• the safety valve 15 includes a previously mentioned, preferably piston-like valve slide 35 which is switchable in its longitudinal direction between two positions which form the venting position in one case and the passage position in the other case.
• the valve spool 35 has at one end an axially oriented actuating surface 42 which delimits a pilot chamber 43, which communicates with a pilot passage 44 indicated by dots.
• the pilot duct 44 is fed with a pressurized medium under a pilot pressure, which in the exemplary embodiments is supplied from a pilot feed duct 45 running in the fluid distributor 8.
• the pilot feed channel 45 may be fed either independently of or from the common supply channel 1 with pressure medium. Alternatively, it would also be possible to connect the pilot passage 44 in the interior of the safety valve 15 with the outlet port 24.
• the pilot valve 38 is turned on. It is capable of selectively enabling or shutting off passage through pilot duct 44. In the closed state, it also ensures a venting of the pilot chamber 43.
• the actuating force 46 is in the passage position constantly in order to overcome an oppositely effective restoring force 47 of a spring means 48 which biases the valve spool 35 constantly in the direction of the resulting from Figures 3 and 5 venting position.
• the spring device 48 is supported, on the one hand, on the valve slide 35 and, on the other hand, directly or indirectly on the valve housing 36 of the safety valve 15. In order to achieve compact dimensions, the spring device 48 in an axial recess of the valve spool 35 dip.
• the spring means 48 has the advantage of switching the valve spool 35 to the venting position when the pilot chamber 43 is depressurized, either due to a systemic pressure drop or due to a power failure.
• the valve spool 35 extends in a slide housing 52 formed on the valve housing 36, which is divided axially into a plurality of sections by a sealing device 53.
• the sealing device 53 encloses the valve spool 35 coaxially and is preferably arranged valve housing fixed. It may in particular contain a plurality of axially spaced-apart annular seals which, depending on the axial position of the valve spool 35, may come into sealing contact with different portions of its peripheral outer periphery. The various aforementioned portions are in communication with the above-mentioned terminals 24-28.
• valve slide 35 is stepped several times in the axial direction on its basically cylindrical outer circumference. This results in axially successive sections of larger and smaller diameter. Depending on the position of the valve slide 35 and the resulting or non-existent sealing contact with the sealing device 53 are thus individual the terminals 24, 28 connected in the above-mentioned sense or separated from each other.
• valve spool 35 flows around only on the outer circumference.
• the valve spool 35 has a relatively long constriction 54 on the outer circumference, which is in the vent position extends across all ports 24, 26 and 28 across.
• valve spool 36 has a special feature in so far as it has a cavity 55 through which the pressure medium is discharged in the venting position.
• the cavity 55 opens at two axially spaced locations via at least one and preferably a plurality of transfer openings 56, 57 to the outer periphery of the valve spool 35.
• the transfer ports 56, 57 are placed so that one (56) communicates with the outlet port 24 and the other (57) communicate with the first vent port 25. In this way, the vent flow can be passed through the sealed valve connection 27, without affecting it.
• outlet port 24 is expediently flanked axially on the one hand by the one further valve port 27 and on the other hand axially by the other further valve port 28.
• On these two other valve ports 27, 28 then follows axially outward in one case, the first vent port 25 and in the other case, the second vent port 26th
• the security concept according to the invention can also be realized with a non-modular fluid distributor 8.
• a non-modular fluid distributor 8 it is particularly advantageous in conjunction with a modular fluid distributor 8, as is the case with the exemplary embodiments.
• the fluid distributor 8 is subdivided into a plurality of fluid distribution modules 58, 59 lo arranged adjacent to one another in the line-up direction 14.
• first fluid distribution modules 58 are equipped with the control valves 13 and include, among other things, the individual working channels 17, 18.
• a second Fluidvertei- ller module 59 carries the safety valve 15 and has the two fluid distribution channels 2, 4.
• the modular i5 structure are the common supply channel 1 and the common venting channels 3, 5 divided into channel length sections of the individual fluid distribution modules 58, 59, which complement each other.
• Each of these control modules 62 exemplarily includes a first fluid distribution module 58 and two control valves 13 juxtaposed thereon.
• the security module 63 sits at one end of the module assembly. However, it can readily be incorporated in the row of control modules 62 such that it is at least axially on both sides flanking a control module 62. Since the pressure medium feed into the valve battery 6 via the security module 63 takes place, thus an end feed but also an additional or alternatively an intermediate feed of pressure medium into the valve battery 6 can be realized.
• the security module 63 may form a termination module or an intermediate module of the module assembly.
• safety valve 15 and the control valves 13 have compatible pneumatic interfaces, which allow an attachment to the same trained mounting surfaces of Fluidver divider 8, it is possible to use any existing fluid distribution module alternatively for the realization of a control module 62 or to implement a security module 63.
• the safety valve 15 could also be designed as a pulse valve, in which both switch positions are each predetermined by an electrically actuated pilot valve.

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• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Fluid Mechanics (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Analytical Chemistry (AREA)
• Gas Exhaust Devices For Batteries (AREA)
• Safety Valves (AREA)
• Fluid-Pressure Circuits (AREA)
• Valve Housings (AREA)
• Battery Mounting, Suspending (AREA)

Applications Claiming Priority (2)

Publications (2)

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ID=38007227

Family Applications (1)

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• 2006
  • 2006-03-09 DE DE102006010844A patent/DE102006010844A1/de not_active Withdrawn
• 2007
  • 2007-01-25 WO PCT/EP2007/000605 patent/WO2007101506A1/fr active Application Filing
  • 2007-01-25 DE DE502007001300T patent/DE502007001300D1/de active Active
  • 2007-01-25 EP EP07703007A patent/EP1991791B1/fr active Active
  • 2007-01-25 AT AT07703007T patent/ATE439524T1/de active
  • 2007-01-25 CN CN200780008112XA patent/CN101395385B/zh not_active Expired - Fee Related

Non-Patent Citations (1)

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