EP3084214B1 - Elektrische fixier- und verbindungs-vorrichtung eines hermetischen verdichters - Google Patents

Elektrische fixier- und verbindungs-vorrichtung eines hermetischen verdichters Download PDF

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Publication number
EP3084214B1
EP3084214B1 EP14814861.2A EP14814861A EP3084214B1 EP 3084214 B1 EP3084214 B1 EP 3084214B1 EP 14814861 A EP14814861 A EP 14814861A EP 3084214 B1 EP3084214 B1 EP 3084214B1
Authority
EP
European Patent Office
Prior art keywords
housing
rod
connection
compressor according
earth
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.)
Active
Application number
EP14814861.2A
Other languages
English (en)
French (fr)
Other versions
EP3084214A1 (de
Inventor
Pierre Boussekey
Sophie ÔZDEMIR
Rémi PITIOT
Xavier Durand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tecumseh Europe Sales and Logistics SAS
Original Assignee
Tecumseh Europe Sales and Logistics SAS
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Publication date
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Publication of EP3084214A1 publication Critical patent/EP3084214A1/de
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Publication of EP3084214B1 publication Critical patent/EP3084214B1/de
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Classifications

    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0693—Details or arrangements of the wiring
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • 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
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/14—Provisions for readily assembling or disassembling
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
    • F04C29/0085—Prime movers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H01R13/6392—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap for extension cord
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/97—Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/803—Electric connectors or cables; Fittings therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/16—Fastening of connecting parts to base or case; Insulating connecting parts from base or case

Definitions

  • the invention relates to the electrical connection of a hermetic compressor for example used for domestic or commercial refrigeration and air conditioning.
  • a compressor is used to compress a refrigerant before circulating it in an exchanger for cooling the fluid in contact with a hot source.
  • Compressors of various types for example reciprocating or rotary, are known.
  • the compressor is for example driven by an electric motor and the assembly formed by the compressor and the motor is called motorcycle compressor.
  • the compressor and the motor associated with it are commonly encapsulated in an airtight envelope.
  • the component thus produced is subsequently called a hermetic compressor.
  • the electrical connection of the motor passes through the hermetic envelope and the hermetic compressor is delivered with several terminals coming out of the envelope on which a power cable is connected during the installation of the thermodynamic machine.
  • Such a hermetic compressor is for example known from the document EP 0 422 336 A1 .
  • a ground connection means connected to a particular terminal through the envelope, makes it possible to connect the equipment to a ground connection provided by the power supply network of the equipment.
  • This terminal is connected to a specific electrical conductor of the power cable.
  • This specific conductor is usually insulated with a special green and yellow color insulator. To ensure the proper connection of the specific conductor to the earth terminal, it implements a particular means of connection distinct from the connection means of the other conductors of the power cable carrying the electrical power.
  • the power conductors are terminated by lugs simply plugged into the power terminals and the grounding conductor is terminated by a lug screwed to the ground terminal.
  • connection of the various conductors of the cable to the terminals through the envelope of the hermetic compressor is subject to error which can cause an immediate or short term destruction of the compressor.
  • connection time may be more or less important depending on the accessibility of the connection terminals in the equipment.
  • the invention aims to make reliable the connection of the cable on the terminals of the compressor.
  • the invention also aims to improve the speed of connection of the cable.
  • the subject of the invention is a hermetic compressor comprising a motor pump unit, a hermetic envelope and electrical connection means, the motorcycle pump unit being disposed inside the hermetic envelope, the connection means enabling the power supply of the pump motor unit through the hermetic envelope, the connection means comprising an earth rod and at least two power supply terminals, the connection means comprising a mobile housing and a power cable, the housing being arranged at the end of the cable, the connection of the housing on the earth rod and on the supply terminals being effected by a translation movement, in one direction of insertion, the connection of the housing to the earth rod comprising anti-back means preventing movement of the housing in a direction opposite to the direction of insertion, the earth rod being formed of a rod extending out of the sealed envelope only in a direction carrying the direction of insertion, characterized in that the housing comprises a one-piece mechanical part intended to ensure the connection of the housing to the earth rod, in that the housing comprises two parts: a base and a cover, in that the mechanical part is
  • the antireturn means prohibit the movement of the housing in a direction opposite to the direction of insertion, only by means of traction on the housing and allow movement of the housing, in a direction opposite to the direction of insertion, combining the traction in a direction opposite to the direction of insertion with another maneuver distinct from the traction.
  • This embodiment can be implemented independently of the fact that the mechanical connection piece is monobloc and independently of the presence of two parts: base and cover, forming the housing.
  • the figure 1 represents a hermetic compressor 10 comprising a hermetic envelope 11 and a motor pump unit not visible in the figure because disposed inside the hermetic envelope 11.
  • the compressor hermetic 10 also includes connection means 12 for supplying power to the pump motor unit through the sealed envelope 11.
  • the connection means 12 comprising a ground rod 13 and at least two power supply terminals.
  • the connection means 12 comprise three supply terminals 14, 15 and 16 passing through the hermetic enclosure 11. Two of the terminals are intended to receive a phase and the third electrical connection terminal can receive one of the phases of the power supply network in the case of three-phase.
  • one of the three connections can be connected to a thermal protection component which will be described later.
  • the other two terminals are connected to a complementary electrical equipment, not shown, situated outside the hermetic compressor 10 and making it possible, for example, to generate an auxiliary phase that is useful for determining the direction of rotation of the motorcycle pump unit during its start-up.
  • the earth rod 13 is intended to receive a protective earth delivered by the electrical network.
  • connection means 12 comprise a mobile housing 20 and a power supply cable 21, the housing 20 being disposed at one end of the cable 21.
  • the cable 21 comprises, for example, four insulated conductors conveying the power supply to the compressor 10.
  • connection of the housing 20 on the earth rod 13 and on the supply terminals 14, 15 and 16 is in a translational movement, in a direction of insertion marked by an arrow 22.
  • the figure 2 represents in section the housing 20 connected to its power supply terminals 13, 14 and 16.
  • connection of the housing 20 to the earth rod 13 comprises antirust means preventing movement of the housing 20 in a direction opposite to the direction of insertion 22.
  • connection of the casing 20 to the earth rod 13 may comprise means of buttressing on the earth rod 13.
  • the bracing on the earth rod 13 makes it possible to simply perform the non-return of the casing 20.
  • the earth rod 13 is conventionally formed of a stud or a threaded rod, a threaded part of which extends out of the hermetic envelope 11 in a direction bearing the direction 22. It is also possible to form the earth rod 13 by means of a smooth rod coming out of the hermetic envelope 11.
  • the electrical connection can be provided by means of a lug designed to surround the earth rod 13 and comprising elastic means ensuring a force of the lug on the rod 13 perpendicular to the direction bearing the direction 22.
  • the mechanical connection can be ensured by a pivoting element relative to the lug and bearing against the lug.
  • the anti-return can be provided by gravity by providing a pivot axis of the pivoting element disposed lower than the point of contact between the pivoting element and the rod 13.
  • the pivoting element by example of circular shape slides against the rod 13 without opposing mechanical strength, except a slight friction.
  • the circular element is bent on the rod 13 and thus opposing a force proportional to the force exerted to try to uncouple the housing 20.
  • connection of the housing 20 to the earth rod 13 is defined so that a disconnection using only traction in a direction opposite to the direction of insertion 22 is destructive of the connection on the rod of 13.
  • the bracing or more precisely the relative position of the pivot axis and the point of contact of the pivoting element so as to calibrate a force allowing the disconnection of the housing, for example by deformation of the circular-shaped fastening element.
  • the electrical and mechanical connections to the earth rod 13 are provided by a one-piece mechanical part 30.
  • the housing 20 comprises a one-piece mechanical part intended to connect the housing 20 to the earth rod 13.
  • the mechanical part 30 is integral with the housing 20.
  • the figure 3 represents piece 30 alone.
  • the piece 30, connected to the earth rod 13, is also visible on the figure 2 .
  • the one-piece mechanical part 30 comprises a washer 31 pierced extending in a plane 32.
  • the washer 31 is intended to surround the rod 13 so that the plane 32 of the washer 31 is placed perpendicular to the direction bearing the direction 22 , the terminal 13 entering the bore 34 of the washer 31.
  • the washer 31 is equipped with at least one radial fin 33 partially closing the bore 34 of the washer 31, so as to fit tightly on the rod 13 .
  • the washer 31 comprises several symmetrical fins 33.
  • the washer 31 comprises six fins 33 extending symmetrically about the direction bearing the direction 22.
  • the fins 33 are inclined relative to the plane 32 of the washer 31 so as to increase their inclination during the insertion by elastic deformation.
  • the elastic deformation of the or fins 33 ensure a clamping of the washer 31 on the rod 13 and therefore the electrical connection between the washer and the rod 13
  • we try to disconnect the housing 20 by exerting on the washer 31 a force in a direction opposite to the direction 22, or the fins 33 bearing on the rod 13, tend to see their inclination to be reduced which increases the clamping force of the washer 31 on the rod 13.
  • the tearing of the housing 20 to disconnect can also break the attachment of the piece 30 in the housing 20.
  • the housing 20 is for example made of plastic material obtained by molding. Grooves made in the housing 20 and in the plane 32 may serve to anchor the workpiece 30. The disconnection of the housing may for example break the grooves and thus break the anchoring of the workpiece 30 in the housing 20.
  • the housing 20 and the power cable 21 at the end of which is disposed the housing 20 can be made in the factory thus avoiding any risk of poor connection of the cable 21 on the various terminals out of the sealed envelope 11. It can be necessary to intervene on site during the use of the equipment to repair the wiring.
  • the housing 20 comprises two parts: a base 37 and a cover 38.
  • the mechanical part 30 is integral with the base 37.
  • the cover 38 can be removably attached to the base 37.
  • the removable attachment is realized for example by screws or by clipping.
  • the base 37 is made of an electrically insulating material so as to avoid any electrical contact between the components situated inside the casing 20 and the hermetic envelope 11. More generally, the casing 20 comprises an electrically insulating material arranged in order to avoid any electrical contact between components inside the housing 20 and the hermetic envelope 11.
  • the figures 4 and 5 represent in perspective the inside of the housing 20, the hood 38 being open on the figure 4 and the hood being removed on the figure 5 .
  • the cable 21 comprises an electrical earth conductor 40 terminating in a ground lug 41.
  • the one-piece mechanical part 30 comprises a tongue 42 on which the earth lug 41 is plugged. The tongue 42 and the lug 41 enable intervene on the earth connection after opening the housing 20.
  • the tongue 42 may have a width of 6.3 mm which can accommodate a lug 41 that can be easily obtained from connector manufacturers.
  • the lug 41 can be crimped or welded on the end of the grounding conductor 40.
  • the piece 30 has shapes defined so as to be formed in a folded sheet of constant thickness. These forms are clearly visible on the figure 3 .
  • the tongue 42 must have a thickness of about 0.8 mm. It is understood that the values given for the dimensions of the lug 41 are only examples. Any other value is possible without departing from the scope of the invention. Nevertheless, depending on the material used to make the part 30, the thickness necessary for producing the washer 31 and in particular the fins 33, may be different from the thickness of the tongue 42. To adapt to the divergent stresses of the thickness of the washer 31 and the tongue 42, the tongue 42 comprises two folds 43 and 44 to increase its functional thickness vis-à-vis the lug 41. To resume the example of dimension given above, we can achieve the piece 30 in a 0.4 mm thick sheet while connecting a lug 41 provided for a tongue of 0.8 mm.
  • connection means 12 comprise three supply terminals 14, 15 and 16 passing through the sealed envelope 11.
  • the supply terminals 14, 15 and 16 each comprise, for example, a power supply tab. extending in the direction of insertion 22. To avoid overloading the figures, the tabs will bear the same marks as the terminals 14, 15 and 16.
  • the cable 21 comprises the earth conductor 40 and at least two electrical supply conductors 47 and 48 each terminating in a lug, respectively 50 and 51, each of which is to be plugged onto one of the supply tongues 15 or 16 when the housing 20 is connected,
  • the figure 6 represents the housing 20 open in position on the compressor.
  • the housing 20 comprises a thermal protection component 55 of the compressor 10.
  • the supply terminals comprise a protection tab 14 extending in the direction of insertion 22.
  • the thermal protection component 55 comprises an electrical conductor 56 terminating in a lug 57 intended to be plugged onto the protection tab 14.
  • the cable 21 comprises a third electrical conductor supply 49 ending in a lug 52.
  • the cable 21 thus comprises four conductors: the earth conductor 40 and the three electrical supply conductors 47, 48 and 49.
  • the electrical conductor 49 is is plugged onto a tab 58 belonging to the thermal protection component 55.
  • the anti-return effect is effective when an operator tries to remove the housing 20 by exerting a pull in a direction opposite to the direction of insertion 22 on the housing 20. It is however possible to configure the antiretor means to allow disengagement of those by means of a complementary maneuver distinct from a traction in a direction opposite to the direction of insertion 22.
  • This complementary maneuver can for example be obtained by inserting a tool in the housing 20 through an orifice provided for this purpose.
  • the tool may for example be a screwdriver with a flat blade sliding between a fin 33 and the rod 13.
  • the figure 7 represents a one-piece piece 60 forming an alternative to the part 30 further allowing the disengagement of the connection.
  • the part 60 comprises alternative means to the use of a tool sliding between a fin 33 and the rod 13 allowing by a pressure or traction movement the disconnection without causing the destruction of the part 60.
  • the piece 60 comprises a washer 61 pierced similar to the washer 31.
  • the washer 61 extends in a plane 62 and is intended to surround the rod 13 when connecting the housing 20 on the rod 13.
  • the washer 61 is equipped with at least one radial fin 63 partially occluding the bore 64 of the washer 61, so as to fit tightly on the rod 13.
  • the washer 61 comprises several symmetrical fins 63, 4 in the example shown.
  • the fins 63 are inclined relative to the plane 62 of the washer 61 so as to increase their inclination by elastic deformation during insertion on the rod 13.
  • the fins 63 are arranged in pairs each of the pairs of fins 63 coming to rest substantially as diametrically opposed on the rod 13. As previously a simple traction on the part 60 in a direction opposite to the direction 22, tends to increase the clamping force of the washer 61 on the rod 13 by buttressing the fins 63 on the stem 13.
  • connection of the housing 20 to the rod 13 comprises means for releasing the bracing by means of a maneuver distinct from the traction in a direction opposite to the direction of insertion 22.
  • the one-piece piece 60 comprises at least one flange 65, two flanges 65 in the example shown, which can be operated in order to move the fins 63 away from the rod 13.
  • the flanges 65 form outgrowths extending to the outside of the washer 61.
  • Each wing 65 is associated with a pair of fins 63.
  • Each wing 65 comprises a bearing zone, such as a hole 66 allowing a tool to pull the wing 65 perpendicularly. In the insertion direction 22, it is possible, for example, to use a circlip pliers having two fingers, each of which fits in one of the holes 66.
  • the washer 61 By operating the circlip plier so as to move the holes from the rod 13, the washer 61 is deformed and the fins 63 deviate from the rod 13 by following the movement of the wings 65.
  • the wings 65 may each comprise a shoulder on which can be supported a tool adapted to locally deform the washer 61 into the improvisationan t of the rod 13. The deformation of the washer 61 is in the plane 62.
  • each of the flanges 65 is configured in such a way that a pressure on the wing 65 allows to separate the corresponding fins 63 of the rod 13.
  • fins 70 can participate in the centering of the bore 64 on the rod 13.
  • the fins 63 and 70 are distributed around the center of the bore 64 intended to coincide with the axis of the rod 13.
  • the fins 70 each comprise a free end 71 bent outwards in order to avoid a jamming on the rod by allowing the fin 70 to slide against the rod when the casing 20 of the rod 13 is disconnected.
  • the operation of deformation of the washer 61 is performed after removing the cover 38 in order to access the part 60. It is then sufficient to pull the base 37 in the opposite direction to the direction 22 to disconnect the housing 20.
  • the figure 8 represents the base 37 and the part 60 in position in the base 37.
  • the base 37 is configured to allow access to the wings 65.
  • the part 60 may comprise other wings 72 extending from the washer 61 to the outside. The wings 72 enabling the part 60 to be held in position in the base 37.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)

Claims (16)

  1. Hermetischer Verdichter (10), umfassend ein Pumpenaggregat, eine hermetische Hülle (11) und elektrische Verbindungsmittel (12), wobei das Pumpenaggregat im Inneren der hermetischen Hülle (11) angeordnet ist, wobei die Verbindungsmittel (12) die Stromversorgung des Pumpenaggregats durch die hermetische Hülle (11) hindurch ermöglichen, wobei die Verbindungsmittel (12) einen Erdungsspieß (13) und mindestens zwei Versorgungsanschlüsse (14, 15, 16) umfassen, wobei die Verbindungsmittel (12) ein mobiles Gehäuse (20) und ein Versorgungskabel (21) umfassen, wobei das Gehäuse (20) am Ende des Kabels (21) angeordnet ist, wobei die Verbindung des Gehäuses (20) mit dem Erdungsspieß (13) und mit den Versorgungsanschlüssen (14, 15, 16) durch eine Translationsbewegung erfolgt, entlang einer Einführungsrichtung (22), wobei die Verbindung des Gehäuses (20) mit dem Erdungsspieß (13) Rückschlagmittel (31) umfasst, die die Bewegung des Gehäuses (20) in eine Richtung entgegengesetzt der Einführungsrichtung (22) verhindern, wobei der Erdungsspieß (13) durch einen Spieß gebildet ist, der sich aus der hermetischen Hülle (11) in eine Richtung entsprechend der Einführungsrichtung (22) heraus streckt, dadurch gekennzeichnet, dass das Gehäuse (20) ein einteiliges mechanisches Bauteil (30; 60) umfasst, das dazu dient, die Verbindung des Gehäuses (20) mit dem Erdungsspieß (13) zu gewährleisten, dass das Gehäuse (20) zwei Teile umfasst: eine Grundplatte (37) und eine Abdeckung (38), dass das mechanische Bauteil (30; 60) fest mit der Grundplatte (37) verbunden ist, dass die Abdeckung (38) auf lösbare Weise an der Grundplatte (37) befestigt ist und dass die Grundplatte (37) aus einem elektrisch isolierenden Material gefertigt ist, um jeglichen elektrischen Kontakt zwischen den Komponenten (55), die sich im Inneren des Gehäuses (20) befinden, und der hermetischen Hülle (11) zu vermeiden.
  2. Hermetischer Verdichter nach Anspruch 1, dadurch gekennzeichnet, dass die Rückschlagmittel (31) die Bewegung des Gehäuses (20) in eine Richtung entgegengesetzt der Einftihrungsrichtung (22) verhindert, einzig mittels einer Zugkraft auf das Gehäuse (20), und dass die Rückschlagmittel (31) die Bewegung des Gehäuses (20) in eine Richtung entgegengesetzt der Einführungsrichtung (22) ermöglichen, indem die Zugkraft in eine Richtung entgegengesetzt der Einführungsrichtung (22) mit einer anderen Betätigung, anders als der Zugkraft, kombiniert wird.
  3. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindung des Gehäuses (20) mit dem Erdungsspieß (13) Selbsthemmungsmittel (31) auf dem Erdungsspieß (13) umfasst.
  4. Hermetischer Verdichter nach Anspruch 2 und 3, dadurch gekennzeichnet, dass die Verbindung des Gehäuses (20) mit dem Erdungsspieß (13) Mittel zum Lösen der Selbsthemmung mittels der verschiedenen Betätigung umfasst.
  5. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Verbindung des Gehäuses (20) mit dem Erdungsspieß (13) derart definiert ist, dass eine Trennung, die lediglich die Traktion in eine Richtung entgegengesetzt der Einführungsrichtung (22) bewirkt, zerstörerisch für die Verbindung mit dem Erdungsspieß (13) ist.
  6. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das einteilige mechanische Bauteil (30; 60) eine durchbohrte (34; 64) Scheibe (31; 61) umfasst, die sich auf einer Ebene (32; 62) erstreckt, wobei die Scheibe (31; 61) dazu dient, den Spieß (13) derart zu umgeben, dass die Ebene (32; 62) der Scheibe (31; 61) senkrecht zur Richtung entsprechend der Einfiihrungsrichtung (22) platziert ist, dass die Scheibe (31; 61) mit mindestens einer radialen Rippe (33; 63) ausgestattet ist, die die Bohrung (34; 64) der Scheibe (31; 61) teilweise verschließt, um sich auf straffe Weise an den Spieß (13) anzupassen und die elektrische Verbindung mit dem Erdungsspieß (13) zu gewährleisten, und dass die Rippe (33; 63) in Bezug auf die Ebene (32; 62) der Scheibe (31; 61) geneigt ist, sodass ihre Neigung durch elastische Verformung bei der Einführung (22) vergrößert wird, um die Rückschlagmittel zu bilden.
  7. Hermetischer Verdichter nach Anspruch 6, dadurch gekennzeichnet, dass die Scheibe (31; 61) mehrere Rippen (33; 63) umfasst.
  8. Hermetischer Verdichter nach einem der Ansprüche 6 oder 7, dadurch gekennzeichnet, dass das einteilige Bauteil (60) einen Flügel (65) umfasst, der betätigt werden kann, um die Rippe (63) von dem Spieß (13) zu entfernen.
  9. Hermetischer Verdichter nach Anspruch 8, dadurch gekennzeichnet, dass der Flügel (65) einen Stützbereich (66) umfasst, der einem Werkzeug ermöglicht, den Flügel (65) senkrecht zur Einführungsrichtung (22) zu ziehen.
  10. Hermetischer Verdichter nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass der Flügel (65) derart ausgestaltet ist, dass ein Druck auf den Flügel (65) das Entfernen der Rippe (63) von dem Spieß (13) ermöglicht.
  11. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Kabel (21) einen elektrischen Erdungsleiter (40) umfasst, der in einer Erdungsklammer (41) endet, und dass das einteilige mechanische Bauteil (30) eine Lasche (42) umfasst, in die die Erdungsklammer (41) einzustecken ist.
  12. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekenntzeichnet, dass das einteilige mechanische Bauteil (30; 60) Formen aufweist, die derart definiert sind, dass sie in einem Winkelblech mit konstanter Dicke gebildet werden können.
  13. Hermetischer Verdichter nach den Ansprüchen 11 und 12, dadurch gekennzeichnet, dass die Lasche (42), in die die Erdungsklammer (41) einzustecken ist, zwei Faltungen umfasst, um sich an die unterschiedlichen Einschränkungen der Dicke der Scheibe (31) und der Lasche (42), in die die Erdungsklammer (41) eingesteckt wird, anzupassen.
  14. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Versorgungsanschlüsse (14, 15, 16) jeweils eine Versorgungslasche umfassen, die sich entlang der Einfiihrungsrichtung (22) erstreckt und dass das Kabel (21) mindestens zwei elektrische Versorgungsleiter (47, 48, 49) umfasst, die jeweils in einer Klammer (50, 51, 52) enden, die bei Verbindung des Gehäuses (20) jeweils in eine der Versorgungslaschen einzustecken ist.
  15. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse (20) eine Wärmeschutzkomponente (55) des Verdichters (10) umfasst, dass die Versorgungsanschlüsse (14, 15, 16) eine Schutzlasche (14) umfassen, die sich entlang der Einführungsrichtung (22) erstreckt und dass die Wärmeschutzkomponente (55) einen elektrischen Leiter (56) umfasst, der in einer Klammer (57) endet, die in die Schutzlasche (16) einzustecken ist.
  16. Hermetischer Verdichter nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Gehäuse (20) ein elektrisch isolierendes Material umfasst, das angeordnet ist, um jeglichen elektrischen Kontakt zwischen den Komponenten (55), die sich im Inneren des Gehäuses (20) befinden, und der hermetischen Hülle (11) zu vermeiden.
EP14814861.2A 2013-12-20 2014-12-17 Elektrische fixier- und verbindungs-vorrichtung eines hermetischen verdichters Active EP3084214B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1363340A FR3015796B1 (fr) 2013-12-20 2013-12-20 Dispositif de fixation et raccordement electrique d'un compresseur hermetique
PCT/EP2014/078285 WO2015091683A1 (fr) 2013-12-20 2014-12-17 Dispositif de fixation et raccordement électrique d'un compresseur hermétique

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EP3084214A1 EP3084214A1 (de) 2016-10-26
EP3084214B1 true EP3084214B1 (de) 2017-11-15

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CZ308836B6 (cs) * 2016-02-24 2021-06-30 Mitsubishi Electric Corporation Rotační kompresor
EP3952032A1 (de) * 2020-08-07 2022-02-09 BSH Hausgeräte GmbH Elektrische maschine mit einem einen anschluss bildenden kontaktelement
EP4343151A1 (de) * 2022-09-22 2024-03-27 BSH Hausgeräte GmbH Elektrische vorrichtung mit integriertem temperatursensor

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DE1954928A1 (de) * 1969-10-31 1971-05-19 Danfoss As Elektrische Anschlussvorrichtung fuer einen hermetisch gekapselten Kaeltemittelverdichter
CH659918A5 (en) * 1983-06-09 1987-02-27 Landis & Gyr Ag Clamping device
US4969832A (en) * 1989-10-12 1990-11-13 Tecumseh Products Company Rotary compressor electrical ground device
US5173057A (en) * 1992-02-07 1992-12-22 Tecumseh Products Company Permanent protective cover
TW372371B (en) * 1995-12-15 1999-10-21 Carrier Corp Electrical connector plug
US6290528B1 (en) * 1998-07-14 2001-09-18 Carrier Corporation Electric power supply connector for sealed compressor
US6159041A (en) * 1999-03-01 2000-12-12 The Whitaker Corporation Electrical connector assembly for panel mounting
FR2977407B1 (fr) * 2011-06-30 2013-07-05 Valeo Japan Co Ltd Dispositif de raccordement electrique d'un compresseur electrique

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FR3015796A1 (fr) 2015-06-26
WO2015091683A1 (fr) 2015-06-25
FR3015796B1 (fr) 2017-02-10
US20160319824A1 (en) 2016-11-03
US9651052B2 (en) 2017-05-16
EP3084214A1 (de) 2016-10-26
ES2656199T3 (es) 2018-02-26

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