EP3408624A1 - Antriebs- und steuervorrichtung für ein durchflussmessgerät - Google Patents
Antriebs- und steuervorrichtung für ein durchflussmessgerätInfo
- Publication number
- EP3408624A1 EP3408624A1 EP17703072.3A EP17703072A EP3408624A1 EP 3408624 A1 EP3408624 A1 EP 3408624A1 EP 17703072 A EP17703072 A EP 17703072A EP 3408624 A1 EP3408624 A1 EP 3408624A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- connection
- guide rails
- control device
- openings
- drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
- G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
- G01F3/04—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls
- G01F3/06—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing
- G01F3/10—Geared or lobed impeller meters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/02—Compensating or correcting for variations in pressure, density or temperature
- G01F15/026—Compensating or correcting for variations in pressure, density or temperature using means to maintain zero differential pressure across the motor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
- H05K7/1418—Card guides, e.g. grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/40—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for cleaning of environmental air, e.g. by filters installed on vehicles or on streets
Definitions
- the invention relates to a drive and control device for a flow meter with an electric drive unit, a connection housing, which is connected to the electric drive unit, a motherboard and a mounting structure, by means of which the motherboard is positioned to the electric drive unit, wherein the mounting structure has a fastener, where the electric drive unit is attached.
- Flowmeters are used, for example, to determine injected amounts of fluid from injectors to internal combustion engines. These flow meters have an electric motor driven positive displacement in the form of a gear pump which is arranged parallel to a Differenzdruckauf scenery in the form of a arranged in a piston chamber piston, wherein the gear pump is driven so that the differential pressure is compensated at Differenzdruckaufêt, so no differential pressure across the piston arises.
- an actuator is proposed in CN 204423922U, which has a mounting structure on which both the electric motor and the motherboard are fastened by screw connections.
- the board carries a plug for power supply or electrical connection to the outside and is screwed from the outside to the mounting structure.
- this disclosed attachment structure is very expensive and the assembly and the electrical connection are difficult.
- a contact between an additional outer housing to be mounted and the board during assembly can not be avoided with certainty.
- a determination of the position to an additional external device is not provided.
- a drive and control device for a flowmeter with the features of claim 1.
- the fastening structure has a board holding element to which the main board is fastened and which is pushed onto positioning rails for positioning on the fastening element, the main board can first be aligned correctly with the electrical drive unit and mounted with good accessibility, and then its position can be fixed to the electric drive unit be made without additional screwing on the board have to. Accordingly, a long-lasting mechanical connection to the electric drive unit is produced by simply sliding it on. Assembly errors are reliably avoided and it is possible to put a hood over the electric drive unit and the motherboard without having to fear a contact between the motherboard and hood, which could lead to damage.
- the first fastening element has a connecting plate, from the lateral ends of which two side plates extend parallel to one another, at whose ends remote from the connecting plate the guide rails extend away from the connecting housing pointing away and angled towards the side plates parallel to each other.
- the electric drive unit is mounted between the side plates.
- the connecting plate the side plates and the board holding member.
- the mounting structures protect this even when placing a hood, for which they can serve as a guide.
- the board holding member advantageously has a terminal plate which extends from the motherboard perpendicular to the motherboard in the direction of the drive unit and in which two openings are formed, which are formed corresponding to the guide rails, which are inserted through the openings.
- the Fixing level of the motherboard to the electric drive unit clearly defined.
- a rear plug element of the board can optionally be plugged into a corresponding plug on the connection housing, in the direction of the board holding member is attached to the guide rails.
- the guide rails define with the openings on the connection plate, the lateral position of the board holding element and additionally prevent by their axial length and support on the motherboard a tilting movement, so that only a movement along the guide rails is possible.
- the board holding member on holding webs, which penetrate the motherboard and via which the motherboard is attached to the board holding member.
- connection plate has a connection opening which is shaped in a manner corresponding to a plug formed directly behind the connection opening such that an electrical contact can be made to an opposite plug through the connection opening. Accordingly, a connection box having a plug can simply be electrically connected to the mainboard by the free side facing away from the connection housing.
- a mounting plate which is fastened to the main circuit board and which can be screwed onto the connection housing after being pushed onto the guide rails, extends parallel to the connection plate. Through this gland can after pushing the board holding element and the axial fixation of the motherboard can be made in a simple manner.
- connection plate extending from the connection plate adjacent to the openings of the connection plate for receiving the guide rails two parallel to the guide rails webs. These serve as a guide for the guide rails to guide them safely into the openings. Furthermore, in particular in an embodiment of the mounting structure made of simple bent sheet metal increased rigidity of the board holding element is achieved and provided a larger area for mounting the board holding element to the motherboard.
- a connection box which accommodates one or more boards, has a plug corresponding to the plug of the main board and the connection opening of the board holding element and two positioning openings, via which the connection box by means of the ends projecting through the openings of the connection plate of the board holding element the guide rails is positioned to the board holding member.
- the guide rails serve accordingly not only for positioning the motherboard to the drive unit, but in addition to positioning other electrical connection means to the motherboard, so that a plurality of components to each other by the guide rails are positioned.
- one or more tips are formed on the projecting through the openings of the connection plate ends of the guide rails and the corresponding openings of the connection plate and / or the corresponding positioning openings of the connection box have increased in height of the tips in comparison to the extension of the tips Opening cross section, while the remaining opening cross section of the openings and / or positioning holes corresponds to the cross section of the guide rails.
- This enlarged opening allows for easier threading of the guide rails over the tips into the corresponding openings. Nevertheless, the further insertion of the guide rails in the openings sufficient strength of the connection is made, since the area of the openings next to the extensions rests without play on the guide rails.
- the motherboard is firmly positioned and easily accessible for further electrical connections or to connect external devices. It provides a reliable guide for positioning the motherboard in a surrounding housing while providing guidance of external devices to be connected. An additional protective cover can be pushed over the electric drive unit and the motherboard, without fear of damage, since the mounting structure also serves as a protective cover and guide during assembly.
- Figure 1 shows a perspective view of a drive and control device according to the invention during assembly.
- FIG. 2 shows a perspective view of the holding element of the drive and control device according to the invention from FIG. 1.
- Figure 3 shows a perspective view of the board holding element of the drive and control device according to the invention from Figure 1 with inserted motherboard.
- Figure 4 shows a perspective view of the drive and control device according to the invention according to the figure 1 during the last assembly step.
- FIG. 5 shows a perspective view of the connection box contained in FIG. 4 from a viewing angle opposite to FIG.
- the drive and control device has an electric drive unit 10, which consists in the present embodiment of an electric motor 12 with magnetic coupling 14 connected thereto, the drive shaft protrudes through a connection housing 16 in a displacement of a gear pump, the drive gear is mounted on the drive shaft.
- a fastening structure 18 is fastened by means of screws 20, which consists of a fastening element 22, which is shown in Figure 2 and a board holding member 24.
- the fastening element 22 has a connecting plate 26, from whose lateral ends in each case one side plate 28 extends perpendicular to the connecting plate 26 and parallel to the respective other side plate 28.
- the connecting plate 26 and the two side plates 28 respectively surround the drive unit 10 over an axial portion of three sides.
- guide rails 30 are formed, which are parallel to the extension of the connecting plate 26 and parallel to the central axis of the drive unit 10 and perpendicular to the extension direction the side plates 28 viewed from the connecting plate 26 and extending away from the terminal housing 16 away.
- These guide rails 30 have a triangular recess 32 at their ends pointing away from the connection housing 16, so that a tip 34 is formed in the lower and upper region of each guide rail 30.
- a main circuit board 36 which may be suitable for controlling the drive unit 10 as well as for the electronic evaluation of the measured values of the flow meter connected to the drive unit, has an elongated shape with two longitudinal sides and two transverse sides.
- a mounting plate 38 At the first end of the motherboard 36 extends perpendicular to the motherboard 36 along its first transverse side a mounting plate 38 with two holes 40 through which screws can be screwed into threaded holes 44 of the terminal housing 16.
- the board holding member 24 which has a connection plate 46 which is arranged parallel to the mounting plate 38.
- the terminal plate 46 has a connection opening 48 which extends parallel to the main circuit board 36 and two laterally adjacent to the slot-shaped connection opening 48 extending perpendicular to the main board 36 extending elongated openings 50, which are formed enlarged at its upper and lower end.
- two webs 52 extend perpendicular to the connection plate 46 in the direction of the connection housing 16 or to the mounting plate 38, which form the board holding element 24 with the connection plate 46.
- a plurality of retaining webs 54 extend through the motherboard 36, via which these with the Attachment plate 38 and the board holding member 24 is at least positively connected.
- the main circuit board 36 has at its end facing the terminal plate 46 a plug 56 which is formed as a tab and directly abuts against the connection opening 48, so that a mating connector 58 for the plug 56 through the connection opening 48 in the plug 56 for producing an electrical Connection can be plugged.
- a further connector element 60 extends in the direction of the connection housing 16.
- the assembly is carried out such that first the fastening element 22 is screwed to the drive unit 10 and the board holding member 24 and the mounting plate 38 are connected to the motherboard 36 via the holding webs 54.
- the main circuit board 36 is pushed axially from the side opposite the connection housing 16 onto the guide rails 30 in the direction of the connection housing 16.
- the webs 52 bear against the guide rails 30 from the outside and the main board 36 from below against the guide rails 30, so that a well-directed axial movement is achieved.
- the tips 34 of the guide rails 30 reach the openings 50, which have at their upper and lower end an enlarged opening cross-section, so that the tips 34 thread without much resistance in the openings 50, while the remaining opening cross section of the openings 50th the cross section of the guide rails 30 corresponds.
- the motherboard 36 is now pushed further in the direction of the terminal housing until the mounting plate 38 abuts against the terminal housing 16 and can be screwed there and the plug member 60 protrudes through a bore 62 in the connection housing to another board on which, for example, a position sensor of a piston Flow meter can be arranged.
- a cover hood 64 is pushed over the drive and control unit and against the connection housing 16, which has at least one recess 68 on a wall surface 66 facing away from the connection housing 16, through which the ends of the guide rails 30 protrude and through which the plug 56 is accessible.
- a number of further boards 70 can be connected to the mainboard 36 via the plug 56 from the outside, and the main circuit board 36 and optionally the electric motor 12 can be supplied with power.
- a connection box 72 is used, in which these boards 70 are arranged and protrudes at their end facing the motherboard 36 end of the mating connector 58 from a housing 74 of the connection box 72.
- two positioning holes 76 are also formed on the junction box 72, which are arranged and shaped corresponding to the guide rails 30, so that the connection box 72 can be pushed onto the ends of the guide rails 30 for prefixing and proper alignment with the plug 56.
- a against the axially delimiting wall surface 66 of the hood 64 adjacent flange 78, from which also the mating connector 58 projects and in the Positioning openings 76 are formed laterally beyond the connection box 72 and has in this projecting region two holes 80, via which the connection box 72 is screwed to the cover 64.
- connection box 72 may further outward electrical contacting elements extend to the outside, via which the other boards 70 can be connected and supplied with power.
- the described drive and control device is easy to assemble. In particular, assembly errors are reliably avoided.
- the motherboard is firmly positioned in the drive and control unit and protected under the cover and yet easily accessible for electrical contact to make additional electrical connections or to connect external devices and boards for intelligent control. It provides a reliable guide for fixed positioning of the motherboard in a surrounding housing and at the same time a guide external devices to be connected. The additionally pushed over the drive unit and the motherboard cover, without fear of damage, are to be pushed over, since the mounting structure also serves as a protective cover and guide during assembly.
- the drive and control unit can be used in particular for various applications. It is also conceivable to carry out the attachment structure and here in particular the board holding element differently.
- the mounting plate and / or the terminal plate as being formed extending from a base plate on which the mother board rests. Other different structural configurations are also conceivable.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measuring Volume Flow (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA46/2016A AT517707B1 (de) | 2016-01-29 | 2016-01-29 | Antriebs- und Steuervorrichtung für ein Durchflussmessgerät |
| PCT/EP2017/051770 WO2017129745A1 (de) | 2016-01-29 | 2017-01-27 | Antriebs- und steuervorrichtung für ein durchflussmessgerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3408624A1 true EP3408624A1 (de) | 2018-12-05 |
Family
ID=56117085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17703072.3A Withdrawn EP3408624A1 (de) | 2016-01-29 | 2017-01-27 | Antriebs- und steuervorrichtung für ein durchflussmessgerät |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20190041249A1 (de) |
| EP (1) | EP3408624A1 (de) |
| JP (1) | JP6576572B2 (de) |
| CN (1) | CN108496063A (de) |
| AT (1) | AT517707B1 (de) |
| WO (1) | WO2017129745A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128574A1 (de) * | 2007-02-05 | 2009-12-02 | Oval Corporation | Servo-verschiebungsströmungsmesser des pumpeinheittyps |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1460759A (en) * | 1974-05-06 | 1977-01-06 | Quantel Ltd | Component cabinet for electronic circuitry |
| FR2385294A1 (fr) * | 1977-03-22 | 1978-10-20 | Alsthom Cgee | Dispositif mecanique de support d'une carte de circuit imprime |
| US4821145A (en) * | 1987-11-17 | 1989-04-11 | International Business Machines Corporation | Pluggable assembly for printed circuit cards |
| JPH062766U (ja) * | 1992-06-10 | 1994-01-14 | オムロン株式会社 | 基板装着用ガイドレールの取付構造 |
| JP3222004B2 (ja) * | 1994-02-08 | 2001-10-22 | 東芝メーターテクノ株式会社 | 電子式水道メータの電子回路基板取付構造 |
| DE19650361C2 (de) * | 1996-12-06 | 1999-05-20 | Krohne Messtechnik Kg | Schwebekörper-Durchflußmesser |
| US6282099B1 (en) * | 1998-05-15 | 2001-08-28 | Hewlett-Packard Company | Structure for mounting and method for installing a circuit card |
| CN2375059Y (zh) * | 1999-04-16 | 2000-04-19 | 富金精密工业(深圳)有限公司 | 电路板承载装置 |
| DE10331228B3 (de) * | 2003-07-10 | 2005-01-27 | Pierburg Instruments Gmbh | Vorrichtung zur Messung von zeitlich aufgelösten volumetrischen Durchflußvorgängen |
| DE102004014717A1 (de) * | 2004-03-25 | 2005-11-17 | BSH Bosch und Siemens Hausgeräte GmbH | Vorrichtung und Verfahren zum Befestigen eines Bauteils |
| JP4791000B2 (ja) * | 2004-04-28 | 2011-10-12 | 株式会社キーエンス | アンプ部分離型流量センサ装置 |
| FR2917434B1 (fr) * | 2007-06-13 | 2009-10-02 | Sainte Lizaigne Sa Sa | Rail de fixation d'un ensemble de comptage d'eau |
| DE102007029563B4 (de) * | 2007-06-26 | 2022-02-24 | Endress + Hauser Flowtec Ag | Magnetisch induktives Durchflussmessgerät |
| CN201740555U (zh) * | 2009-08-05 | 2011-02-09 | 北京博思达新世纪测控技术有限公司 | 流量计算转换单元 |
| WO2012037619A1 (en) * | 2010-09-24 | 2012-03-29 | Fluxx Metrologia E Inovação Ltda. | Autonomous volumetric meter for liquid fuels |
| JP5655648B2 (ja) * | 2011-03-15 | 2015-01-21 | 富士通株式会社 | 電子装置及び回路基板の接続構造 |
| DE202014101560U1 (de) * | 2014-04-02 | 2014-05-27 | Bürkert Werke GmbH | Elektronikeinheit eines Fluidsensors oder -ventils sowie Fluidsensor- oder Fluidventileinheit |
-
2016
- 2016-01-29 AT ATA46/2016A patent/AT517707B1/de not_active IP Right Cessation
-
2017
- 2017-01-27 WO PCT/EP2017/051770 patent/WO2017129745A1/de not_active Ceased
- 2017-01-27 CN CN201780006092.6A patent/CN108496063A/zh active Pending
- 2017-01-27 US US16/072,882 patent/US20190041249A1/en not_active Abandoned
- 2017-01-27 JP JP2018539336A patent/JP6576572B2/ja not_active Expired - Fee Related
- 2017-01-27 EP EP17703072.3A patent/EP3408624A1/de not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2128574A1 (de) * | 2007-02-05 | 2009-12-02 | Oval Corporation | Servo-verschiebungsströmungsmesser des pumpeinheittyps |
Also Published As
| Publication number | Publication date |
|---|---|
| US20190041249A1 (en) | 2019-02-07 |
| JP6576572B2 (ja) | 2019-09-18 |
| CN108496063A (zh) | 2018-09-04 |
| AT517707A4 (de) | 2017-04-15 |
| JP2019503487A (ja) | 2019-02-07 |
| AT517707B1 (de) | 2017-04-15 |
| WO2017129745A1 (de) | 2017-08-03 |
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