CN103380304B - Compressed air maintenance tool and the customer control device that is equipped with it - Google Patents
Compressed air maintenance tool and the customer control device that is equipped with it Download PDFInfo
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- CN103380304B CN103380304B CN201280010458.4A CN201280010458A CN103380304B CN 103380304 B CN103380304 B CN 103380304B CN 201280010458 A CN201280010458 A CN 201280010458A CN 103380304 B CN103380304 B CN 103380304B
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- compressed air
- air maintenance
- maintenance tool
- control unit
- electronic control
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- 238000012423 maintenance Methods 0.000 title claims abstract description 81
- 238000012544 monitoring process Methods 0.000 claims abstract description 45
- 238000003745 diagnosis Methods 0.000 claims abstract description 17
- 230000000052 comparative effect Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 5
- 238000001595 flow curve Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 11
- 239000012530 fluid Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 210000000635 valve cell Anatomy 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/002—Calibrating
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/048—Arrangements for compressed air preparation, e.g. comprising air driers, air condensers, filters, lubricators or pressure regulators
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3111—Neutral or centre positions the pump port being closed in the centre position, e.g. so-called closed centre
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/6306—Electronic controllers using input signals representing a pressure
- F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/63—Electronic controllers
- F15B2211/6303—Electronic controllers using input signals
- F15B2211/632—Electronic controllers using input signals representing a flow rate
- F15B2211/6323—Electronic controllers using input signals representing a flow rate the flow rate being a pressure source flow rate
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/857—Monitoring of fluid pressure systems
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/88—Control measures for saving energy
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
- F15B2211/8855—Compressible fluids, e.g. specific to pneumatics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Pressure Circuits (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Propose a kind of compressed air maintenance tool (2) and be equipped with its customer control device (1), wherein, compressed air maintenance tool (2) has with the 3/3 functional connection valve of valve (14). By connecting valve (14), the passing away (22) that passes to customer device (A) optionally can be supplied with compressed air in addition or departed from compressed air supply. Can record the actual information of pressure and/or flow and make comparisons with the reference information being stored in before in mode of learning by pressure sensor (24) and/or flow sensor (25). Can produce electric-diagnosis signal according to comparative result, make to exist in addition the possibility of leakage that monitoring occurs in customer device (A) side or excessive air consumption.
Description
Technical field
The present invention relates to a kind of compressed air maintenance tool (t), it has following part to Druckluft-Wartungsger:
-can electrically operated connection valve (Einschaltventil), it has the supply entrance (Speiseeingang) that can be connected with compressed air source, the draft outlet being connected with atmosphere (Entl ü ftungsausgang) and exit from do (Arbeitsausgang) and it switches in the operating position that exit from do is connected with supply entrance and in the vent position that exit from do is connected with draft outlet
-instrument the outlet (Ger teauslass) that can be connected with outside customer device (Verbrauchereinrichtung), it is connected with the exit from do of connecting valve via passing away (Auslasskanal),
-the flow sensor that is suitable for measuring the pressure sensor of the discharge pressure that exists in passing away and/or is suitable for measuring the delivery flow occurring in passing away,
-and inner electronic control unit, it is with connection valve and be connected on signalling technique with pressure sensor and/or flow sensor and it can move in monitoring mode.
The present invention relates to a kind of customer control device (Verbrauchersteuervorrichtung) that is suitable for controlling customer device in addition, and it is equipped with at least one compressed air maintenance tool of aforementioned type and connect or the attachable electronic-controlled installation in its place.
Background technology
The prior art of constructing in aforementioned meaning is known from file DE19746179C2. Relate to a kind of compressed air maintenance unit at this, it can fluidly be connected to the customer device place treating with compressed air supply. Compressed air maintenance unit is formed by multiple module assembleds, and they can be arranged with number each other in any order. One module structure of known compressed air maintenance unit is monitoring module, and it has electronics central location and can be connected to outside bus system place via corresponding interface. Monitoring module can be provided with instruction and executive component or alternatively can have diagnosis and the operation-interface for outside instruction and operating means in this. Pressure sensor for pressure detecting is connected to the central location place at monitoring module. Another module that can be used as compressed air maintenance unit for measuring the flow measuring meter module of air mass flow exists. Finally, known compressed air maintenance unit comprises the switch valve module (Schaltventilmodul) that is equipped with connection valve, can let pass or block the compressed air of supplying with at entrance side by means of it. Conventionally, connect valve and also there is tee-joint function (Dreiwegefunktion), make it in the time that compressed air is blocked, occupy vent position, in this position, exit from do is connected with atmosphere, thereby makes the passing away that is connected to exit from do place comprise that the customer device that is connected to its place ventilates.
By the known a kind of compressed air attending device of file DE102004005982B3, it is formed by multiple module assembleds, under these modules, for example exists and connects valve, flow measuring meter, control module or monitoring module. Also can exist for pressure detecting or for the sensing device of flow detection.
File DE10355250Al has illustrated a kind of for determine the method and a kind of affiliated device that leak at the equipment that is equipped with working cylinder. The pressure sensor of the pressure of this device inclusion test pressure medium, wherein, determines the loss of pressure medium based on pressure oscillation. Additionally, be arranged in the volume flow that volume flow sensor in feeding pipe detects mobile pressure medium, wherein, based on physical equation, pressure measuring value and volume flow measurement value are taken in certain to each other relation, to determine based on this leakage occurring.
From file WO95/19589A1, known usage monitoring device is for the system of monitoring period sex work.
The compressed air maintenance tool of the type that beginning is mentioned is equipped with connection valve conventionally, and it has two possible switching positions. The first switching position is designed to operating position and sets up being connected of outside customer device supply entrance and exit from do and that therefore extremely connect. In the second switching position, supply entrance separates with exit from do. If the second switching position is vent position, together with making passing away simultaneously and being connected to the outside customer device at its place, ventilate. The connection valve of other type is locked at passing away in the second switching position completely, thereby can not ventilate. Ventilation function but aspect important in the compressed air supply of connected customer device.
For disadvantageously this state of compressed air maintenance tool (it is connected valve and has vent position) so far, in the operation halted state of connected outside customer device, record unwanted air consumption. Rest in operating position if connect valve, although customer device does not move compressed air and is forced in passing away under higher pressure enduringly, a compressed air part is owing to inevitably leaking and losing. And if connect valve and be switched in vent position, there is passing away and be connected to being emptied completely of customer device at its place, making to move recently emptying channel system while starting at customer device first again must be by filling completely. For the viewpoint of energy aspect, the state that such being accompanied by triggers outside customer no longer conforms with the epoch.
Summary of the invention
The object of the invention is to take to make the favourable operation in energy aspect of the customer device moving with compressed air to become possible measure.
In order to realize this object, in the compressed air maintenance tool of the type of mentioning in beginning, be arranged to:
-connecting valve, to have 3/3 valve functional and additionally switch in lock position, in this position its exit from do being connected with instrument outlet not only with supply entrance but also be separated with draft outlet,
-inner electronic control unit is during lock position and/or alternatively during operating position can move with mode of learning in monitoring mode, in mode of learning, during lock position, can determine the flow curve about the time that can determine delivery flow about the pressure drop of time and/or during operating position of discharge pressure and can be stored in the memory device of inner electronic control unit with the form of reference information
-inner electronic control unit has comparator device, the actual information that can be provided by pressure sensor and/or flow sensor during monitoring mode by it and affiliated reference information comparison,
-and internal electron control module there is output device, it can be according to the comparative result output electric-diagnosis signal of comparator device.
In this external a kind of customer control device of this object, realize, it has the compressed air maintenance tool of such design and the electronic-controlled installation that connect or attachable outside in its place.
Thought of the present invention comprises, compressed air maintenance tool is equipped with not only pressure sensor but also flow sensor, or still (according to the type of desired monitoring) only has pressure sensor or only have flow sensor.
Concept " flow " is typically and in order to be used and represent the flow of per time unit to correct concept itself as the simplification of " volume flow ", " turnover rate (Str mungsrate) " or " rate of discharge (Durchflussrate) ".
Of the present invention one special measure is, the connection valve constitution with tee-joint function is 3/3 access valve and always can occupies three alternative switching positions. At this advantageously, except standard compliant possible operating position, optionally can realize vent position or lock position, to the volume of sealing is optionally discharged or be locked as at the of short duration operation stopping period of outside customer device to the compressed air that is arranged in passing away and is connected in the outside customer device at its place completely. In the case of the advantage of possibility of not abandoning ventilating, therefore can between the of short duration down period of the machine for example working as customer device, not only avoid discharging channel system unwanted emptying of side but also avoid excessive leakage. This makes energy aspect effectively move and become possibility.
Another contribution that efficiency is improved optionally provides the electronic control unit of the inside that can move in mode of learning or in monitoring mode. When the pressure sensor of the inside by compressed air maintenance tool and/or flow sensor determine with depart from normal in service expected tolerable value in other words compressed air state time, the electronic control unit of the inside that can move in monitoring mode makes the output of the electric-diagnosis signal that can utilize arbitrarily become possibility. The running status departing from can be based on leaking or the fault of the parts of outside customer device based on connected. Especially effectively monitoring makes it to become possibility thus, be that inner electronic-controlled installation (especially combining with the first debugging (Erstinbetriebnahme) of connected outside customer device) can move in mode of learning, so that individually about pressure and/or discharge record reference information, it can be used to the actual information comparison measured with reality subsequently in service during the monitoring mode of inner electronic control unit. Therefore the monitoring function of compressed air maintenance tool can match with corresponding application very neatly.
The in the situation that of applying pressure sensor, especially exist connect during the lock position of valve, monitor the pressure drop of discharge pressure and by with imparted knowledge to students reference information in the time that pressure drop is too fast, export more if desired the possibility of alarm signal. Can monitor the leakage of the outside customer device for example being formed by machine with which.
By means of the information being provided by flow sensor, can infer the air consumption of the raising of connected outside customer device for the connection valve that is arranged in operating position, for example, as the whole service circulation about customer device or also about the integrated information (Pauschalinformation) of moving the certain subcycle circulating.
Preferably, compressed air maintenance tool is constructed with the form of the construction unit that certainly carries, is integrated with therein its whole parts, thereby exists extremely compact and can be integrated into simply the compressed air maintenance unit in existing compressed air network.
In the time that compressed air maintenance tool is equipped with flow sensor (its based on determined force value, especially determine turnover rate based on determined pressure differential), the pressure sensor that belongs to flow sensor also can be used as the pressure sensor for detection of the discharge pressure existing in passing away simultaneously. More than independent pressure sensor is so much.
Compressed air maintenance tool is directly equipped with aptly visual detector part and/or has aural alert device, and the electric-diagnosis signal manipulation that it can be based on being produced by output device, to directly point out problematic running status then and there.
Aptly, compressed air maintenance tool is configured so that the electric-diagnosis signal being produced by it can process in outside. For this object, compressed air maintenance tool can be equipped with at least one communication interface, and the outside electronic-controlled installation especially working as higher level's control part and/or electronic information read instrument and/or outside electronic installation that at least one is other can be connected to this communication interface place. For example, can have two communication interfaces, one of them can be used for and outside electronic-controlled installation communication, and another can be used as diagnose interface and is used to read instrument with information and is connected. Preferably dynamo-electric type of corresponding communication interface, this make signal transmission very reliably becomes possibility, especially via the cable that can be connected to its place. Preferably, at least one in communication interface is designed to EBI, to allow to connect the external bus that passes to outside electronic-controlled installation, wherein, can use bus standard arbitrarily.
In an alternative form of implementation, equip at least one communication interface for wireless signal transmission, be particularly useful for the Trouble Report (St rungsmeldung) via mobile wireless network (Mobilfunknetz) and/or connect (Netzwerkanschluss) for other wireless network.
Particularly advantageously this at least one communication interface is designed so that two-way signal transmission may.
At least one communication interface can be configured to input and/or output binary signal and/or analog signal. Such communication interface is especially additional to the communication interface existence that is configured to EBI.
Here be transported to from the outside compressed air maintenance tool aptly and from the outside electronic-controlled installation being connected for the conversion instruction of connecting valve. Inner electronic control unit only must work as the transmitter of switching signal (ü bermittler) in this case, and need not also process especially switching signal. This reduced this at least one belong to the load of the microprocessor of inner electronic-controlled installation.
For activation and/or the parametrization of mode of learning, compressed air maintenance tool is equipped with suitable entering apparatus aptly. Such entering apparatus for example comprises at least one button and/or at least one switch, and its housing at compressed air maintenance tool is in outside and can easily closely arranges. Addedly or additionally, also arranging can the pure possibility of electrically learning or imparting knowledge to students, for example, via special operating instrument or by the outside electronic-controlled installation of common and the communication of compressed air maintenance tool, for this object compressed air maintenance tool can have at least one electric interfaces, it especially can be formed by the communication interface of having mentioned.
During the monitoring mode of inner electronic control unit required actual information aptly with the identical time interval record during mode of learning of reference information before.
During monitoring mode, inner electronic-controlled installation is according to only single or multiple ground or repeatedly record termly actual information of the method for operation.
The startup of action that electric-diagnosis signal yet can be used to determine except the operation monitoring for pure, that especially security is relevant. Thus, compressed air maintenance tool for example can be configured to cause according to the comparative result of comparator device the transfer process of connecting valve. For example connect valve and be transformed in lock position when exceeding the longer time period during operating position while not having noticeable flow to be detected in passing away, can causing.
Brief description of the drawings
Next elaborate with reference to the accompanying drawings the present invention. Unique accompanying drawing (Fig. 1) with schematically illustrate shown be integrated in wherein according to the compressed air maintenance tool of suitable especially structure of the present invention according to the preferred structure of customer control device of the present invention.
Detailed description of the invention
The customer control device of indicating using Reference numeral 1 on the whole at it comprises preferably at least one compressed air maintenance tool 2 of the formal construction of the construction unit certainly to carry as critical piece. This compressed air maintenance tool 2 can be unified into compressed air preparation device 4 with other maintenance module (one of them represents with chain line with 3) when needed jointly. As at least one other maintenance module, for example, consider pressure adjusting module, filtering module and/or air irradiation modules.
Compressed air maintenance tool 2 has the Instrument shell 5 being reduced to shown in framework, the other parts of its carrying and/or encirclement compressed air maintenance tool 2.
There is instrument inlet port 6, instrument outlet 7 and ventilation outlet (Entl ü ftungsauslass) 8 at the outside place of Instrument shell 5. Instrument inlet port 6 is configured to be connected with compressed air source P via the fluid circuit that is called supply line. Draw the state that is connected to instrument inlet port 6 places of such compressed air source P.
Instrument outlet 7 is constructed to be permeable to connect and passes to outside fluid circuit customer device A, that be called working line 13. Point out a state, customer device A (for example having the machine of multiple fluid actuated workpieces) is connected to instrument outlet 7 places therein.
Ventilation outlet 8 is communicated with atmosphere R. To this, the muffler of further not drawing is connected to aptly ventilation and exports 8 places. It is also possible deriving by means of collected (gefasst) waste gas of attachable fluid circuit.
Compressed air maintenance tool 2 has can banked direction control valves (Mehrwegeventil) electrically operated, be called as " connection valve " 14 based on its function. Connecting valve 14 is placed in the inside of Instrument shell 5 aptly. It has 3/3 valve functional, there are three paths interface and three possible switching positions in other words. Exemplarily its design with unique valve cell realizes, wherein, itself however also can realize by multiple suitable interconnection (Verschaltung) compared with the valve cell of low-function. Preferably, connecting valve 14 is valves of electropneumatic pre-control, but it also can be configured to the directly valve of electrically operated.
Connect valve 14 and have the first switching position that is exemplarily designed to centre position, it as seen from the figure. Set out thus, can it be optionally transformed in the second switching position or the 3rd switching position by of optionally activating respectively in can two valve actuator 15a, 15b of electrically operated. Second and the 3rd switching position keep respectively as electrically activated in associated valve actuator 15a, 15b so long-time. Electric especially calutron of valve actuator 15a, 15b, wherein, but also can use the electrical driver part of other type.
Three interfaces connecting valve 14 form supply entrance 16, exit from do 17 and draft outlet 18. Supply entrance 16 is connected with instrument inlet port 6 enduringly or directly forms it. Exit from do 17 is connected or directly forms it with ventilation outlet 18 enduringly. Exit from do 17 via the passing away 22 of the inside of compressed air maintenance tool 2 with instrument outlet 7 in being connected. Passing away 22 stretches aptly in the inside of Instrument shell 5.
Connect valve 14 and can occupy lock position, it is exemplarily corresponding to the centre position existing in unsteered state. At this, exit from do 17 not only with supply entrance 16 but also be separated with draft outlet 18. With which, passing away 22 lockings and be arranged in working line wherein and that be positioned at customer device A 13 and be connected in the fluid volume of channel system at its place locked.
Other two possible switching positions connecting valve 14 limit operating position and vent position. In operating position, exit from do 17 is connected and is separated with draft outlet 18 with supply entrance 16 simultaneously. In vent position, exit from do 17 is connected with draft outlet 18 and is separated with supply entrance 16 simultaneously. Therefore, since connecting in the operating position of valve 14, supplied passing away 2 and ventilated towards atmosphere in vent position with its joining customer device A from the compressed air of compressed air source P.
Connect valve 14 is maintained in operating position during the running time of connected customer device A. Customer device A single ground or periodically complete default operation circulation during this running time. The process of this operation circulation is controlled by outside electronic-controlled installation 23 (it is communicated with customer device A in control technology in the mode of further not drawing).
If customer device A should, not by operation, for example, at the operation stopping period at weekend, can be switched in vent position connecting valve 14, thereby customer device A is ventilated and can not produce dangerous situation on the longer time period.
At the operation stopping period of only short time of customer device A, connect valve 14 and can be positioned in lock position. Thus, the volume of air existing in customer device A retains and again can be for up-to-date operation starting (Betriebsaufnahme). Therefore saved with compressed air again complete filling customer device A.
Compressed air maintenance tool 2 is equipped with pressure sensor 24 and has flow sensor 25. Two sensors 24,25 are arranged in the inside of Instrument shell 5 aptly. In addition, two sensors 24,25 and passing away 22 communications, wherein, pressure sensor 24 is exemplarily connected to passing away 22 places and flow sensor 25 accesses in the route of passing away 22.
Pressure sensor 24 can be measured the pressure existing in passing away 22, and wherein, next this pressure should be called as discharge pressure. Flow sensor 25 can be determined and flows through the compressed-air actuated current turnover rate of passing away 22, i.e. this compressed-air actuated flow. Next this measured flow is called to delivery flow.
When the measuring principle of flow sensor 25 is during based on pressure detecting, the pressure sensor that belongs to flow sensor 25 also can be born the function of aforementioned pressure sensor 24, thereby can save independently pressure sensor 24.
The electronic control unit 26 that compressed air maintenance tool 2 comprises the inside in the inside that is preferably placed in Instrument shell 5, it is equipped with at least one microprocessor microcontroller in other words. In order to simplify, next it be also only called as " inner control module 26 ".
Inner control module 26 via the electric signal line 27 of the inside of compressed air maintenance tool 2 and valve actuator 15a, the 15b of connection valve 14, with pressure sensor 24 be connected on signalling technique with flow sensor 25. Inner control module 26 can receive the electric pressure measuring value of pressure sensor 24 or flow sensor 25 and flow measurements and electric control signal can be outputed to connects valve 14 places.
Compressed air maintenance tool 2 is equipped with for next better differentiation is called the electric interfaces of the first communication interface 28, and it makes the signalling technique communication between inner control module 26 and outside electronic-controlled installation 23 become possibility. The first communication interface 28 is especially arranged in the outside of Instrument shell 5 and is connected with inner control module 26 via inner electric conductor 32 aptly. Preferably, the first communication interface 28 is dynamo-electric types and is especially designed to plug assembly (Steckanschlusseinrichtung), the outside signal cable 33 only schematically showing especially can releasably be connected, and it makes the possibility that is connected to become to outside electronic-controlled installation 23.
Alternatively, the interface that the first communication interface 28 also can be designed to wirelessly work so that can be especially via wireless signal and outside electronic-controlled installation 23 communications.
Preferably EBI of the first communication interface 28, it can transmit the bus signals of consecutive between inner control module 26 and outside electronic-controlled installation 23. Outside signal cable 33 can be as inner electric conductor 32 be realized with the form of the bus system of connecting.
Inner control module 26 has memory electronic device 34, comparator device 35 and output device 36. The flow value of the force value of the discharge pressure of being measured by pressure sensor 24 and the delivery flow measured by flow sensor 25 can be used as reference information and is preferably also stored in memory device 34 as actual information. Comparator device 35 can by reference information and the especially same intermediate storage of storage or also with the actual information comparison of direct measurement. Output device 36 can be according to exporting electric-diagnosis signal by the determined comparative result of comparator device 35.
Preferably, electric-diagnosis signal is outputed to the first communication interface 28 places by the output device 36 of inner control module 26, and out it can be delivered to outside electronic-controlled installation 23 places for further processing as required therefrom.
Electric-diagnosis signal also can be drawn towards the visual detector part 37 of compressed air maintenance tool 2, to make it visual in mode arbitrarily.
In addition likely, compressed air maintenance tool 2 is equipped with aural alert device 38, for example buzzer that only dotted line represents, makes can send the caution signal of the sense of hearing then and there in the time receiving corresponding diagnostic signal.
Inner control module 26 can move in monitoring mode, and in monitoring mode, it can be used as actual information and receives and process the measuring-signal from pressure sensor 24 and/or flow sensor 25. With which, the current value that inner control module 26 receives discharge pressure and/or delivery flow about the time is as actual information. Inner control module 26 can be configured at the first communication interface 28 places and/or electrically or visually export these actual informations at visual detector part 37 places.
In an advantageous manner, inner control module 26 is alternative also can move in monitoring mode in mode of learning (it is also referred to as teaching pattern). In the scope of this mode of learning, inner control module 26 can receive the reference information of having pointed out and in order further to process and to be stored in memory device 34.
Compressed air maintenance tool 2 is equipped with entering apparatus 42 aptly, and it is for activating as required mode of learning. Also can be arranged to, can between mode of learning and monitoring mode, switch as required by this entering apparatus 42. Preferably, inner control module 26 is equipped with inner control program, and it is responsible for being automatically transformed in monitoring mode in the time that learning phase finishes.
Mode of learning is aptly not only connecting in the lock position of valve 14 but also can activate in operating position. In the mode of learning activating during lock position, the pressure drop about the time of the discharge pressure existing in passing away 22 is received and is stored in memory device 34 as the first reference information 43. The pressing or handling for twice and occur with time interval arbitrarily of this for example button by entering apparatus 42 or switch 42a. Then inner control module 26 receives discharge pressure about the pressure drop of time and is formed on the reference curve 43a for straight line shown in embodiment. But curve trend is inessential in assessment after a while because last only during the measured time interval (t2-t1) absolute value of pressure drop (p1-p2) important.
By implement mode of learning during connecting the operating position of valve 14, can determine the delivery flow that exists in passing away 22 with the represented flow curve Q (t) about the time of Reference numeral 44a and be stored in equally with the form of the second reference information 44 in the memory device 34 of inner control module 26. This is in the continuous realization in service of connected customer device A, and wherein, the flow curve 44a that forms the second reference information 44 preferably covers the duration of the whole cycle for the treatment of (Bearbeitungszyklus) of customer device A. Therefore the second reference information 44 can be envisioned as curve, and it is reflected in during typical cycle for the treatment of instantaneous delivery flow at any time.
After a while normally in service of customer control device 1, the control module 26 of the inside of working in monitoring mode can be from the relatively generation electric-diagnosis signal between the actual information measured and associated the first or second reference information 43,44, and it provides the explanation about the situation of the energy aspect of connected customer device A.
Compressed air maintenance tool 2 especially provides the possibility of carrying out leak supervision at the connection valve 14 that is arranged in lock position. To this, the actual information being provided is provided during the lock position of connecting valve 14 by inner control module 26 and compares with the first reference information 43 that record during mode of learning and storage by pressure sensor 24. For the time measurement interval that receives actual information at this time measurement interval when at reception the first reference information 43 equally large, this monitors and controls via the control program being included in inner control module 26. If possible, actual pressure is measured also and should be occurred with being at least similar in reference pressure is measured equally large in the situation that in the output valve of discharge pressure, and this monitors by inner control module 26 equally. Guarantee with which, information to be compared also can be assigned to identical running status.
If the determined pressure drop in monitoring mode of output pressure is lower than the default tolerance value of the reference value receiving during mode of learning, so inner control module 26 for example impels the output of diagnostic signal via output device 36.
The measurement of actual information can be attached to the transfer process place that connects valve 14. Thus, the reception of actual information for example can with the output of switching signal (it is sent to and connected valve 14 places by inner control module 26) side by side or at it after, postpone in time predetermined time section realization in time.
In the time of monitoring output flow, the output for connecting valve 14 determined switching signals of inner control module 26 also can be used as the starter (Initiator) of the record to flow actual information.
With the same when discharge pressure in monitoring, in the time of monitoring output flow, also can occur actual information only single and or record repeatedly, wherein, the repeatedly record of actual information especially can occur in time regularly.
Alternatively or additionally, compressed air maintenance tool 2 is preferably opened and made the triggering signal being provided by connected electronic-controlled installation 23 be based upon the possibility of the starter of the recording process to actual information. This Trigger Function of outside electronic-controlled installation 23 is mainly advantageous particularly in traffic monitoring, because there is thus the operation circulation of not only totally monitoring customer device A but also the possibility of carrying out the independent monitoring of one or more subcycles of whole service circulation.
Traffic monitoring connect valve 14 be transformed into operating position in time occur. In this operating position compressed air conventionally from compressed air source P flow to customer device A and handle there customer device A one or more can by means of fluid force activate workpieces. One or more in these workpieces are for example pneumatic drivers. By the comparison of the delivery flow actual information that detects during monitoring mode and associated the second reference information 44, can monitor very simply and whether move cycle period or during the subcycle in other words of certain stage of operation circulation, occurring the air consumption improving, this expression fault or defective workpiece.
Especially be also configured so that at control module 26 inner during traffic monitoring it exports electric-diagnosis signal so if determined actual information departs from default tolerance value with the second reference information 44 associated and that record during mode of learning. Tolerance value in the situation of traffic monitoring aptly with tolerance range 45a, 45b (its up and below be arranged in the side of the characteristic curve 44a of the second reference information 44) form be stored in inner control module 26.
Preferably can input separately in inner control module 26 until the tolerance value of considering in the time producing diagnostic signal. The user of compressed air maintenance tool 2 thus can by tolerance value and therefore diagnostic signal output separately and its demand match. For the input of tolerance value, especially can use the assembly of the entering apparatus 42, i.e. for example button and/or the switch 42a that have mentioned and/or the electric interfaces that (for electronics input) for example formed by the first communication interface 28 (operating instrument and/or personal computer (PC) can be connected to its place aptly).
The input of tolerance value realizes aptly during mode of learning. But compressed air maintenance tool 2 also can provide the possibility that changes tolerance value in the monitoring mode carrying out, to can consider neatly the running status changing.
Aptly, mode of learning is by entering apparatus 42 parametrization individually. Parametrization can be directly at compressed air maintenance tool 2 places by activate button and/or switch 42a carries out or by outside electronic-controlled installation 23 under the relaying (Vermittlung) of the bus connection 33 of series connection. By parametrization for example can be defined in connect valve 14 to being evaluated at the actual information in inner control module 26 every how long during this relevant run location. The change of the change of tolerance value, the bandwidth of for example tolerance range 45a, 45b also can be included under parameterized concept.
In this embodiment, compressed air maintenance tool 2 is equipped with other, the second communication interface 29, its can be used as diagnose interface and especially the electronic information of customer control device 1 read instrument 46 and can at least temporarily be connected in its place. Such information read instrument 46 for example allow to read measured actual information, especially in conjunction with the reference information being associated, make for example to combine with traffic monitoring and can side by side or yet verify at that position of recorded reference curve afterwards and occur scrambling.
Inner control module 26 is designed to aptly or at least may be programmed to and makes it according to impelling at least another action by the determined comparative result of comparator device 35 except output diagnostic signal. In the transfer process that causes connection valve 14, there is such additional function in this embodiment. If in long especially can not having in passing away 22 during the time period of free parameter or at least there is no noticeable delivery flow, so for example it is transformed into lock position from operating position. Alternatively also can be arranged to, electric-diagnosis signal directly causes the transfer process of connecting valve 14.
In afore-mentioned, can start by inner control module 26 for the output of connecting valve 14 determined switching signals, and the switching position of connection valve 14 is only ordered by outside electronic-controlled installation 23 (it is inputted necessary switching signal in inner control module 26 via the first communication interface 28 this) in addition aptly. The latter is only worked to connecting the transmitter at valve 14 places as switching signal at this, and not again with formal layout obtains from outside electronic-controlled installation 23 arbitrarily switching signal. With which, the processor load that is included in the microprocessor in inner control module 26 is kept as far as possible littlely.
It should be understood that compressed air maintenance tool 2 can be equipped with other arbitrarily electric interfaces. The switching output (Schaltausgang) of arbitrary number can be provided with which, and the output of the analogue value is possible, or also has the structure by means of attachable personal computer. The link of the outside electronic-controlled installation 23 preferably existing as mentioned, realizes by suitable bus (it also can link standard corresponding to so-called IO in addition) with the signal transmission technology of serial aptly.
The advantage of compressed air maintenance tool 2 is its simple debugging (Inbetriebnahme). In principle, compressed air maintenance tool 2 is installed in existing compressed air system just enough, and next study teaching in other words. Then be just ready to operation.
The other special advantage of the assembly of exemplarily describing is, the customer device A connecting can locking aspect pneumatic in its intake line 22,13 nonventilated situations, makes not occur energy dissipation in temporary transient dwell time. Even so, there is when needed by connecting three position functions of valve 14 possibility that connected customer device A is ventilated. The pressure sensor 24 existing by the pressure drop in passing away 22 locking after and imparted knowledge to students theoretical curve in other words reference curve compare and provide diagnostic signal in pressure drop too soon time. With which, the leak supervision of customer device A is possible.
At normal operation period, in the time that connection valve 14 occupies operating position, can monitor the variation of flow value measured in passing away 22, to export again diagnostic signal in the time departing from respect to imparted knowledge to students theoretical value. With which, the consumption monitoring of customer device A is possible.
If compressed air maintenance tool 2 is embodied as construction unit, its there is compact size and on less space in conjunction with multiple functions.
Finally should further be mentioned that by only make discharge pressure or only delivery flow can monitor, compressed air maintenance tool 2 also can be equipped with the monitoring function of minimizing. In these situations, conventionally can abandon flow sensor 25 or pressure sensor 24. The dual execution of two surveillance and control measures in same compressed air maintenance tool 2 but advantageous particularly, because it guarantees the especially effectively monitoring of the parameter of energy correlation.
Claims (20)
1. a compressed air maintenance tool, it has following part:
-can electrically operated connection valve (14), it has the supply entrance (16) that can be connected with compressed air source, the draft outlet (18) being connected with atmosphere and exit from do (17) and it can be switched in the operating position that described exit from do (17) is connected with described supply entrance (16) and in the vent position that described exit from do (17) is connected with described draft outlet (18)
-instrument the outlet (7) that can be connected with outside customer device (A), it is connected with the exit from do (17) of described connection valve (14) via passing away (22),
-the flow sensor (25) of delivery flow that is suitable for measuring the pressure sensor (24) of the discharge pressure existing in described passing away (22) and/or is suitable for measuring appearance in described passing away (22)
-and inner electronic control unit (26), it is connected on signalling technique with described connection valve (14) and with described pressure sensor (24) and/or described flow sensor (25) and it can move in monitoring mode
It is characterized in that,
It is functional and additionally can be switched in lock position that-described connection valve (14) has 3/3 valve, in described lock position, its exit from do (17) being connected with described instrument outlet (7) not only separates with described supply entrance (16) but also with described draft outlet (18)
-inner described electronic control unit (26) is during described lock position and/or alternatively during described operating position can move in mode of learning in described monitoring mode, in described mode of learning during described lock position, can determine described discharge pressure the flow curve about the time that can determine described delivery flow about the pressure drop of time and/or during described operating position and can be with reference information (43,44) form is stored in the memory device (34) of inner described electronic control unit (26)
-inner described electronic control unit (26) has comparator device (35), can be by the actual information being provided by described pressure sensor (24) and/or described flow sensor (25) during described monitoring mode and affiliated described reference information (43 by it, 44) relatively
-and inner described electronic control unit (26) there is output device (36), its comparative result according to described comparator device (35) can be exported electric-diagnosis signal.
2. compressed air maintenance tool according to claim 1, is characterized in that, its form with construction unit is constructed.
3. compressed air maintenance tool according to claim 1 and 2, is characterized in that, it is equipped with the indicating device (37) of the vision that can activate based on described electric-diagnosis signal and/or the warning device (38) of the sense of hearing.
4. compressed air maintenance tool according to claim 1 and 2, it is characterized in that, it has at least one communication interface (28 being connected with the described electronic control unit (26) of inside, 29), locate in order to be connected to described communication interface (28,29) with the electronic installation of described electronic control unit (26) the communication outside of inside.
5. compressed air maintenance tool according to claim 4, is characterized in that, at least one communication interface (28,29) is designed to EBI.
6. compressed air maintenance tool according to claim 4, it is characterized in that, outside described electronic installation is that outside electronic-controlled installation (23) and/or electronic information reads instrument (46) and/or other at least one electronic installation.
7. compressed air maintenance tool according to claim 4, is characterized in that, at least one communication interface (28,29) is that dynamo-electric type and/or at least one communication interface (28,29) is configured to wireless signal transmission.
8. compressed air maintenance tool according to claim 4, it is characterized in that, inner described electronic control unit (26) is configured to described electric-diagnosis signal to be transferred at least one communication interface place of described compressed air maintenance tool (2).
9. compressed air maintenance tool according to claim 4, it is characterized in that, inner described electronic control unit (26) is configured to the transmitter that switching signal is located to described connection valve (14) from being connected to the outside electronic-controlled installation (23) of communication interface, makes like this can not directly to be sent to described connection valve (14) by inner described electronic control unit (26) via the switching signal of described communication interface input with processing and locates.
10. compressed air maintenance tool according to claim 1 and 2, is characterized in that, it is equipped with for the activation of described mode of learning and/or parameterized entering apparatus (42).
11. compressed air maintenance tools according to claim 10, is characterized in that, described entering apparatus (42) comprises at least one button and/or at least one switch (42a) and/or at least one electric interfaces.
12. compressed air maintenance tools according to claim 1 and 2, is characterized in that, the record of described actual information occurred in the time interval identical with recording of associated described reference information.
13. compressed air maintenance tools according to claim 1 and 2, it is characterized in that, that determine for described connection valve (14) during described monitoring mode, that produced by the described electronic control unit (26) of inside and the switching signal of output or the triggering signal being provided by outside electronic-controlled installation (23) work as the starter of the record to actual information.
14. compressed air maintenance tools according to claim 13, it is characterized in that, along with starting or postpone in time the time period of defined for the output of the definite switching signal of described connection valve (14) after the output of switching signal, described actual information can be by inner described electronic control unit (26) record.
15. compressed air maintenance tools according to claim 13, it is characterized in that, along with described connection valve (14) being switched to the output of the switching signal in described lock position starts or in time lingeringly after this, record the actual information of described pressure sensor (24), so that by next becoming possibility with the leak supervision that relatively makes of affiliated described reference information (43).
16. compressed air maintenance tools according to claim 13, it is characterized in that, along with described connection valve (14) being switched to the output of the switching signal in described operating position starts or in time lingeringly after this, record the actual information of described flow sensor (25), so that by next becoming possibility with the air consumption monitoring that relatively makes of affiliated described reference information (44) single or multiple.
17. compressed air maintenance tools according to claim 1 and 2, it is characterized in that, in the described electronic control unit (26) of inside, store and maybe can store tolerance value, its produce wait export described electric-diagnosis signal time be considered, wherein, described tolerance value can exist with the form of at least one tolerance range.
18. compressed air maintenance tools according to claim 17, it is characterized in that, described tolerance value can individually and can freely selectively be inputted by means of the entering apparatus (42) of the existence of described compressed air maintenance tool (2) and/or via at least one electric interfaces of described compressed air maintenance tool (2).
19. compressed air maintenance tools according to claim 1 and 2, it is characterized in that, inner described electronic control unit (26) is configured to cause according to the comparative result of described comparator device (35) transfer process of described connection valve (14).
The customer control device of 20. 1 kinds of outside electronic-controlled installations (23) that maybe can connect that connect with at least one the compressed air maintenance tool (2) described in any one in good grounds claim 1 to 19 with in its place.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102011012558A DE102011012558B3 (en) | 2011-02-26 | 2011-02-26 | Compressed air maintenance device and thus equipped consumer control device |
| DE1020110125582 | 2011-02-26 | ||
| DE102011012558.2 | 2011-02-26 | ||
| PCT/EP2012/000503 WO2012113504A1 (en) | 2011-02-26 | 2012-02-04 | Compressed air maintenance unit, and consumer control device equipped with the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103380304A CN103380304A (en) | 2013-10-30 |
| CN103380304B true CN103380304B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280010458.4A Active CN103380304B (en) | 2011-02-26 | 2012-02-04 | Compressed air maintenance tool and the customer control device that is equipped with it |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20130323088A1 (en) |
| EP (1) | EP2622229B1 (en) |
| CN (1) | CN103380304B (en) |
| DE (1) | DE102011012558B3 (en) |
| WO (1) | WO2012113504A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012021533A1 (en) | 2012-10-31 | 2014-04-30 | Festo Ag & Co. Kg | Compressed air maintenance device and thus equipped consumer control device |
| DE102013015105A1 (en) | 2013-09-12 | 2015-03-12 | Festo Ag & Co. Kg | Compressed air service device, consumer control device equipped therewith and associated operating method |
| WO2016172115A1 (en) * | 2015-04-20 | 2016-10-27 | Nexmatix Llc | System and method for leakage detection using a directional control valve |
| DE102015007147A1 (en) * | 2015-06-03 | 2016-12-08 | Samson Aktiengesellschaft | Electro-pneumatic actuator |
| AT517432B1 (en) * | 2015-06-24 | 2017-09-15 | Engel Austria Gmbh | Pneumatic system and method of operation or commissioning thereof |
| JP6704247B2 (en) * | 2015-12-25 | 2020-06-03 | 株式会社日立産機システム | Pneumatic system operation control device and control method |
| EP3236328B8 (en) * | 2016-04-21 | 2019-03-06 | Kaeser Kompressoren SE | Method for analysing the compressed air supply security of a compressed air installation |
| DE102017207414A1 (en) * | 2017-05-03 | 2018-11-08 | Festo Ag & Co. Kg | Pneumatic control device and process control device equipped therewith |
| CN110546390B (en) * | 2017-05-03 | 2021-10-01 | 费斯托股份两合公司 | Electropneumatic control device and process control device equipped therewith |
| AT520061B1 (en) * | 2017-06-08 | 2019-05-15 | Sackl Rudolf | Device for monitoring compressed air |
| AU2018336895A1 (en) * | 2017-09-22 | 2020-04-09 | Engineered Corrosion Solutions, Llc | Controllable air maintenance devices for fire protection systems |
| DE102018202416A1 (en) * | 2018-02-16 | 2019-08-22 | Festo Ag & Co. Kg | Consumer control device and control method |
| CN113614372B (en) * | 2018-12-28 | 2023-06-13 | 纳博特斯克汽车零部件有限公司 | Air supply system |
| IT202000012010A1 (en) * | 2020-05-22 | 2021-11-22 | Safen Fluid & Mech Engineering S R L | DEVICE FOR THE DIAGNOSTICS OF PNEUMATIC SYSTEMS |
| WO2024004092A1 (en) * | 2022-06-29 | 2024-01-04 | Smc株式会社 | Fluid control device, fluid pressure supply apparatus, and fluid control method |
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| CN1181043A (en) * | 1995-04-29 | 1998-05-06 | 罗伯特·博施有限公司 | Compressed air supply system for vehicle compressed air installations and process for controlling said system |
| US6169338B1 (en) * | 1997-10-18 | 2001-01-02 | Festo Ag & Co. | Compressed air servicing unit |
| CN1826252A (en) * | 2003-07-28 | 2006-08-30 | 威伯科有限合伙公司 | Testing method and device of defect or fault in condensation air consuming loop of vehicle electronic condensation air system |
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| GB2285700B (en) * | 1994-01-12 | 1998-06-24 | Drallim Ind | Monitoring apparatus and method |
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| DE102004005982B3 (en) * | 2004-02-06 | 2005-06-30 | Festo Ag & Co. | Pressurized air preparation device has each function module provided by pneumatic base block combined with different function blocks selected to suit specific requirements |
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2011
- 2011-02-26 DE DE102011012558A patent/DE102011012558B3/en not_active Expired - Fee Related
-
2012
- 2012-02-04 CN CN201280010458.4A patent/CN103380304B/en active Active
- 2012-02-04 US US13/985,148 patent/US20130323088A1/en not_active Abandoned
- 2012-02-04 WO PCT/EP2012/000503 patent/WO2012113504A1/en active Application Filing
- 2012-02-04 EP EP12703245.6A patent/EP2622229B1/en active Active
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| CN1181043A (en) * | 1995-04-29 | 1998-05-06 | 罗伯特·博施有限公司 | Compressed air supply system for vehicle compressed air installations and process for controlling said system |
| US6169338B1 (en) * | 1997-10-18 | 2001-01-02 | Festo Ag & Co. | Compressed air servicing unit |
| CN1826252A (en) * | 2003-07-28 | 2006-08-30 | 威伯科有限合伙公司 | Testing method and device of defect or fault in condensation air consuming loop of vehicle electronic condensation air system |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2622229A1 (en) | 2013-08-07 |
| WO2012113504A1 (en) | 2012-08-30 |
| US20130323088A1 (en) | 2013-12-05 |
| DE102011012558B3 (en) | 2012-07-12 |
| EP2622229B1 (en) | 2015-08-19 |
| CN103380304A (en) | 2013-10-30 |
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Address after: Germany Esslingen Patentee after: FESTO Co., Ltd Address before: Germany Esslingen Patentee before: FESTO AG & CO. KG |