EP4026233A1 - Sensorbefestigung zur temperaturmessung in einer elektrischen maschine eines kraftfahrzeugs - Google Patents
Sensorbefestigung zur temperaturmessung in einer elektrischen maschine eines kraftfahrzeugsInfo
- Publication number
- EP4026233A1 EP4026233A1 EP20739563.3A EP20739563A EP4026233A1 EP 4026233 A1 EP4026233 A1 EP 4026233A1 EP 20739563 A EP20739563 A EP 20739563A EP 4026233 A1 EP4026233 A1 EP 4026233A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- temperature sensor
- temperature
- busbar
- attachment
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims abstract description 43
- 238000009529 body temperature measurement Methods 0.000 claims description 11
- 229920006334 epoxy coating Polymers 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 37
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical group C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
- H01R25/161—Details
- H01R25/162—Electrical connections between or with rails or bus-bars
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- 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
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
-
- 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
- H01R2201/26—Connectors or connections adapted for particular applications for vehicles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/09—Machines characterised by wiring elements other than wires, e.g. bus rings, for connecting the winding terminations
Definitions
- the invention relates to a sensor fastening with the aid of which a temperature sensor can be fastened in an electrical machine of a motor vehicle in order to measure a temperature occurring in the electrical machine.
- Temperature sensors are used in electrical machines, for example to monitor the temperature of individual components. Temperatures of stator and rotor components are to be monitored, especially in the case of electrical machines used to drive a motor vehicle. In electrical machines with distributed windings, but also in machines with single-tooth windings, the temperature sensors are usually installed inside the stator, but where they are no longer accessible from outside for maintenance purposes. For electrical machines, especially for electric hybrid vehicles and for electric vehicles or for wheel hub drives, various winding technologies for the stator of the electrical Maschi are known. For a particularly dense or compact winding, for example, winding technologies such as what is known as hairpin or bar wave winding are used.
- a temperature detection turns out to be difficult with such windings because they are wound or fitted very tightly, so that no temperature sensor can be inserted between the wires of the respective winding in order to measure the temperature of the winding.
- the temperature of the winding is measured on the radial outside, but where lower temperatures occur than on the radially inner edge of the winding, so that the maximum temperature of the winding is measured which is too low.
- a sensor attachment for temperature measurement on at least one busbar arrangement with at least one busbar, in an electrical machine with an axis of rotation, for driving a motor vehicle has at least one busbar arrangement with at least one busbar, one or more busbars having a plurality of bending elements each having a free end; a connection ring for connection to the busbar arrangement, with bending elements extending through the connection ring so that the free ends of the bending elements are arranged free-standing in such a way that the temperature of the free ends can be measured by a temperature sensor.
- the sensor fastening is thus designed to accommodate the temperature sensor in such a way that it can detect the temperature directly at the free-standing free ends of the bending elements. It is no longer necessary to integrate the temperature sensor between the windings in a complicated manner.
- a temperature sensor for temperature detection is integrated on at least one busbar and a connection ring of an electrical machine, for example with a hairpin or bar wave winding.
- the temperature sensor is arranged with respect to the axis of rotation of the electrical machine, in particular radially to free ends of the bending elements.
- a single temperature sensor does not have to cover all of the free ends of the bending elements.
- several temperature sensors can also be used.
- thermosensor By means of an appropriately selected positioning of the temperature sensor directly on the connection ring and between several wire or power rail ends of an electrical machine, for example with a hairpin or Bar wave winding, a reliable heat transfer for temperature measurement can be achieved between the wire ends to one another. Such a heat transfer structure can then be encapsulated or isolated in a stator arrangement.
- connection is advantageous in that the temperature sensor can be attached to the connection ring on a very simple and inexpensive connection to the busbars. Processes that have already been used are reused and no or a few additional assembly steps are required.
- the invention enables a permanent and constant thermal connection for recording the temperature of a winding, in particular a stator winding, of an electrical machine.
- the winding can be, for example, a hairpin or a bar-wave winding.
- manufacturing and material tolerances as well as movements due to vibrations and temperature changes can be compensated.
- the temperature of a stator winding of an electrical machine can be recorded in a simple, inexpensive and yet reliable way.
- Media flows for example water, air or oil, do not affect the measurement of the temperature in the interior of the electrical machine.
- the thermal conductivity properties of media flows can no longer affect the temperature as the distance from the winding or the winding overhang increases.
- the assembly and disassembly of the sensor fastening can be carried out quickly and easily.
- the electric machine is designed in particular to introduce drive power into a drive train of the motor vehicle in motor operation to drive the motor vehicle or to drive an individual wheel of the motor vehicle as part of a wheel hub drive.
- drag torques acting on the electrical machine can be used to generate electrical Generate energy.
- the electrical machine has a stationary stator and a rotor that rotates relative to the stator.
- the rotor can have permanent magnets which can interact electromagnetically with electromagnets of the stator in order to exchange a torque in motor operation and / or generator operation.
- the stator can have at least one stator lamination that covers the winding of the stator on one axial side. The winding can be electrically insulated from the stator lamination by means of insulation elements.
- the sensor attachment can be inserted in particular in an intermediate space formed between the stator lamination and the winding in an insulation layer containing the insulation elements.
- the winding is based in particular on a coil winding technology that enables high power density and high energy efficiency.
- the winding is preferably based on a hairpin or bar-wave winding. In the case of bar-wave winding, the especially distributed winding can be created in a kind of braiding process and then joined into the stator slots. As a result, smaller cross-sections can be used, the possible number of slots can be increased and / or the effect of the current displacement losses can be reduced.
- the mounting position of the sensor attachment corresponds in particular to a relative position of the sensor attachment within the electrical machine, in which the sensor attachment is to be installed together with the temperature sensor, in which the temperature sensor is essentially aligned in the radial direction of the electrical machine and in its designated end position the winding, in particular on the radially inner edge of the winding.
- the temperature sensor can be designed, for example, as a thermistor, also known as an NTC resistor.
- a thermistor is a temperature-dependent resistor that belongs to the group of thermistors. It has a negative temperature coefficient as an essential property and conducts the electrical current better at high temperatures than at low temperatures. Pure semiconductor materials, some compound semiconductors and various metallic alloys show thermoconductive behavior.
- NTC resistors made of metal oxides usually consist of pressed and sintered metal oxides of manganese, nickel, cobalt, iron, copper or titanium mixed with binders.
- the temperature sensor can be designed as a PTC resistor, also known as a PTC resistor, for example.
- a PTC thermistor is a temperature-dependent resistor which belongs to the group of thermistors. It has a positive temperature coefficient as an essential property and conducts the electrical current better at low temperatures than at high temperatures.
- the bending elements can be designed as wire or sheet metal elements.
- the free ends of the bending elements for temperature measurement are designed for contact with a temperature sensor. This means that there is as little interference as possible, so that the temperature measurement is reliable.
- the contact between the temperature sensor and the free ends of the bending elements takes place radially to the axis of rotation of the electrical machine. It has been found that the installation of the temperature sensor can hereby simply be followed and that the temperature measurement can take place reliably at the same time.
- the sensor attachment is designed for releasable connection with a temperature sensor, the interconnection ring preferably having interconnection ring abutment means to interact releasably connecting with temperature sensor abutment means of a temperature sensor.
- a detachable connection that is, a non-fixed connection, allows easy assembly and disassembly of the temperature sensor. In particular, the dismantling can be carried out non-destructively and after all that is inexpensive.
- the sensor attachment is designed for a force-fit and / or form-fit connection with a temperature sensor.
- the temperature sensor is therefore not a means to be connected, but is not itself claimed.
- Non-positive connections require a normal force on surfaces to be connected to each other. Their mutual displacement is prevented as long as the counter-force caused by the static friction is not exceeded. The force or frictional connection is lost and the surfaces slide on each other if the tangentially acting load force is greater than the static friction force, for example between wheel and rail or road surface in vehicles with their own drive.
- Positive connections are created by the interlocking of at least two connection partners. As a result, the connection partners cannot disengage even with or without power transmission. In other words, with a positive connection, one connection partner is in the way of the other. Under operating loads, compressive forces act normally, i.e. at right angles to the surfaces of the connection partners. Such blocks occur in at least one direction. If a second homogeneous pair of surfaces is arranged opposite, the opposite direction is also blocked. If the pair consists of two cylindrical surfaces that are coaxial to one another, there is a form fit in all directions of the plane perpendicular to the cylinder axis.
- the interconnection ring has interconnection ring abutment means in order to interact in a connecting manner with temperature sensor abutment means of a temperature sensor.
- the interconnection ring abutment means can be designed differently. A non-limiting example can be ratchets. Accordingly, the temperature sensor abutment means are designed to interact with the interconnection ring abutment means. If the interconnection ring abutment means are latches, for example, the temperature sensor abutment means can be abutment edges, for example, which are attached to an outer area of the temperature sensor designed as a shrink tube. are ordered. This is an embodiment that enables a reliable, easy-to-install and inexpensive sensor attachment.
- the bending elements are designed to interact with a temperature sensor in a force-locking and / or form-locking connection. Examples of this can be that the bending elements clamp the temperature sensor and / or enclose it in the sense of an undercut. This is a design that enables reliable, easy-to-install and inexpensive sensor mounting.
- one or more bending elements are designed such that their free ends are arranged radially offset from the axis of rotation.
- the temperature sensor can thus be clamped between the free ends which are radially distant from one another. This increases the reliability of the temperature measurement.
- the sensor fastening has formwork ring abutment means which are arranged radially offset to the axis of rotation.
- a temperature sensor can be supported on the interconnection ring abutment means on two sides, so that a reliable fixation of the temperature sensor is possible.
- the temperature sensor can thus be arranged or fixed between the radially offset free ends and / or between the radially offset interconnection ring abutment means. This does not exclude that free ends and / or interconnection ring abutment means are arranged on the front side of the temperature sensor. Thus, the temperature can be measured at the end face, for example at a free end, and / or an interconnection ring abutment can optionally be used as a stop or latching means.
- the sensor fastening is designed to receive a temperature sensor by means of a pushing movement, the pushing movement extending along a pushing direction laterally to the axis of rotation.
- Lateral to the axis of rotation means here that the direction of thrust is skewed, i.e. not cutting, to the axis of rotation.
- the thrust direction can be aligned, for example, as a tangent of a projection circle. It has been found that this enables a reliable connection and also a simple installation of a temperature sensor.
- the sensor fastening has one or more interconnection ring abutment means, which are designed as latching means and / or as stop means.
- interconnection ring abutment means which are designed as latching means and / or as stop means.
- the temperature sensor can, for example, be pushed in along a pushing direction or pressed in from above in such a way that the latching means fix or lock the temperature sensor in a captive manner.
- the busbar arrangement has three busbars.
- the free ends of the bending elements can be from a single busbar or from several busbars. This means that the temperature of several busbars can be measured.
- the invention also relates to a temperature sensor having at least one of the aforementioned features.
- the temperature sensor can have contours that improve its inclusion in the sensor attachment. These contours can in particular be part of a shrink tube, for example as abutment edges for latching means and / or as guide rails for inserting and / or fixing the temperature sensor.
- the invention further relates to a stator arrangement having at least one sensor attachment for an electrical machine with at least one of the aforementioned features, furthermore having at least one temperature sensor with at least one of the aforementioned features.
- the temperature sensor and the sensor mounting have an epoxy coating in the connected state.
- the temperature sensor is reliably connected to the sensor mount.
- the stator arrangement is protected from environmental influences, so that media flows, for example: water, air or oil, do not reach the temperature sensor directly and thus do not influence it.
- Epoxy or epoxy resins are synthetic resins that carry epoxy groups. They are curable resins, that is, reactive resins that can be converted to a thermosetting plastic with a hardener and possibly other additives.
- the epoxy resins are polyethers with usually two terminal epoxy groups.
- the hardening agents are reaction partners and together with the resin form the macromolecular plastic. Coatings with a similar effect can also be used as epoxy coatings for the purposes of the invention.
- thermosets produced by crosslinking have good mechanical properties as well as good temperature and chemical resistance
- the invention also relates to an electrical machine for electrically driving a motor vehicle with a stator arrangement, which can be designed and developed as described above, and a rotor which can be coupled to a drive train of the motor vehicle and interacts with the electromagnets of the stator arrangement.
- a temperature sensor for connection to a sensor attachment according to a preferred embodiment of the invention
- FIG. 3 shows a busbar arrangement with three busbars of a sensor attachment of a preferred embodiment of the invention
- FIG. 4 the busbar according to FIG. 2 from another perspective view
- 5 a plan view of a sensor fastening according to a preferred embodiment of the invention
- FIG. 6 a perspective detail of the sensor fastening from FIG. 5;
- FIG. 7 a plan view of the sensor fastening from FIG. 5;
- FIG. 9 a perspective view of a stator arrangement with the temperature sensor from FIG. 1 and the sensor attachment from FIG. 5.
- the invention relates to a sensor attachment 10 for temperature measurement on at least one busbar arrangement 12 with at least one busbar 12a, 12b, 12c, in an electrical machine with an axis of rotation, for driving a motor vehicle, having at least one busbar arrangement 12 with at least one busbar 12a, 12b , 12c, wherein one or more busbars 12a, 12b, 12c have a plurality of bending elements 14a, 14b, 14c, 14d, 14e, 14f, 14g, each of which has a free end 16a, 16b, 16c, 16d, 16e, 16f, 16g; a connection ring 18 for connection to the busbar arrangement 12, where bending elements 14a, 14b, 14c, 14d, 14e, 14f, 14g extend through the connection ring 18 so that the free ends 16a, 16b, 16c, 16d, 16e, 16f, 16g of the bending elements 14a, 14b, 14c, 14d, 14e, 14f, 14g are arranged free-
- Figures 1 to 4 show the inventive solution in its individual components, i.e. the temperature sensor in Figure 1, the busbar arrangement 12 in Figure 3 and a second busbar 12b of the busbar arrangement 12 in Figures 2 and 4.
- Figure 5 shows a unit of the Sensor fastening 10, the busbar arrangement 12 and the interconnection ring 18 being joined together to form the sensor fastening 10.
- Figures 6 to 9 exemplify the mode of operation and the assembly steps of the sensor mounting 10 when it is integrated into an electrical machine and how the thermal connection of the temperature sensors 20 in the stator of the electrical machine or between the wires th is enabled and fixed.
- the temperature sensor 20 is preferably designed as an NTC or PTC resistance element.
- FIG. 1 illustrates the basic structure of a preferred temperature sensor 20.
- the temperature sensor 20 is sheathed with a shrink tube.
- This shrink tube has a temperature sensor abutment at each side 24a, 24b, each designed as a guide shaft, which is used to fix the temperature sensor 20.
- This temperature sensor 20 is connected to a cable by means of a connection technique, for example by welding or crimping.
- Figures 2 and 4 show a structure of a preferred bus bar 12b.
- the busbar 12b is expanded compared to conventional busbars in order to be bent up in three directions.
- a sheet is conventionally shaped flat, for example by punching or laser cutting the sheet.
- the individual bending elements 14a, 14b, 14c, 14d, 14e, 14f, 14g are correspondingly reshaped and / or left unbent.
- the bending element 14d is pulled radially inward, against the two closest bending elements 14c, 14e. in order to be able to position the temperature sensor 20 in such a way that an optimal heat transfer can take place.
- FIG. 3 shows a busbar arrangement 12 with three busbars 12a, 12b, 12c of an electrical machine.
- busbar arrangement 12 with three busbars 12a, 12b, 12c is, as shown in Figure 5, sheathed with a plastic-like material. This also means that the busbar arrangement 12 is connected to the interconnection ring 18.
- FIGS 6 and 7 show an interface of the temperature sensor 20, comprising, for example, four interconnection ring abutment means 22a, 22b, 22c, 22d.
- the fourth Interconnection ring abutment means 22d designed as stop means or holding element, serves to bring the temperature sensor 20 into an end position or to limit it there.
- the mounting direction of the temperature sensor 20 is shown as the pushing direction S, see Figure 8.
- the lateral interconnection ring abutment means 22a, 22b, 22c are exemplarily designed as latches and clamp the temperature sensor 20 so that it does not change its position undesirably in the last assembly step , see Figure 9.
- FIG. 9 reveals the end position of the temperature sensor 20, which is preferably coated or encased in a final assembly step with an insulating material, not shown, for example epoxy. This is done in order to isolate open welds at free ends 16a, 16b, 16c, 16d, 16e, 16f, 16g of the bending elements 14a, 14b, 14c, 14d, 14e, 14f, 14g. Since the temperature sensor 20 is at approximately the same height as any welds on the busbars 12a, 12b, 12c, this process can be used to hold the temperature sensor 20 in position and at the same time to thermally insulate it accordingly.
- an insulating material not shown, for example epoxy.
- the temperature sensor 20 is pressed directly between the busbars 12a, 12b, 12c and is largely protected from environmental influences by the insulation by epoxy dipping. This means that no media flows, for example: water, air or oil, reach the temperature sensor 20 directly, so that it is protected.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019123856.0A DE102019123856A1 (de) | 2019-09-05 | 2019-09-05 | Sensorbefestigung zur Temperaturmessung in einer elektrischen Maschine eines Kraftfahrzeugs |
PCT/DE2020/100581 WO2021043352A1 (de) | 2019-09-05 | 2020-07-02 | Sensorbefestigung zur temperaturmessung in einer elektrischen maschine eines kraftfahrzeugs |
Publications (1)
Publication Number | Publication Date |
---|---|
EP4026233A1 true EP4026233A1 (de) | 2022-07-13 |
Family
ID=71579489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20739563.3A Pending EP4026233A1 (de) | 2019-09-05 | 2020-07-02 | Sensorbefestigung zur temperaturmessung in einer elektrischen maschine eines kraftfahrzeugs |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220302799A1 (de) |
EP (1) | EP4026233A1 (de) |
CN (1) | CN114342224B (de) |
DE (1) | DE102019123856A1 (de) |
WO (1) | WO2021043352A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019124097A1 (de) * | 2019-09-09 | 2021-03-11 | Schaeffler Technologies AG & Co. KG | Sensorbefestigung zur Temperaturmessung in einer elektrischen Maschine eines Kraftfahrzeugs |
KR20220012743A (ko) * | 2020-07-23 | 2022-02-04 | 현대모비스 주식회사 | 모터용 버스바 유닛 |
JP7567633B2 (ja) * | 2021-04-06 | 2024-10-16 | 株式会社プロテリアル | 物理量センサ付き配線部品 |
DE102022207562A1 (de) | 2022-07-25 | 2024-01-25 | Volkswagen Aktiengesellschaft | Sensoranordnung |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998054822A1 (fr) * | 1997-05-26 | 1998-12-03 | Denso Corporation | Alternateur pour vehicule |
DE202007007391U1 (de) * | 2007-05-24 | 2008-10-02 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Stator für einen Elektromotor |
JP5417721B2 (ja) * | 2008-03-13 | 2014-02-19 | 日本電産株式会社 | モータ |
JP5605171B2 (ja) * | 2010-11-04 | 2014-10-15 | アイシン精機株式会社 | 電動モータおよびその電動モータを用いた車両用駆動装置 |
JP5720185B2 (ja) * | 2010-11-04 | 2015-05-20 | アイシン精機株式会社 | 電動モータおよびその電動モータを用いた車両用駆動装置 |
CN107209062B (zh) * | 2015-01-29 | 2018-08-21 | 株式会社芝浦电子 | 温度传感器 |
JP6079944B2 (ja) * | 2015-02-12 | 2017-02-15 | デンソートリム株式会社 | 内燃機関用回転電機およびそのステータ |
JP2017046415A (ja) * | 2015-08-25 | 2017-03-02 | 日本電産コパル株式会社 | ブラシ付きdcモータ、車両 |
WO2018062006A1 (ja) * | 2016-09-30 | 2018-04-05 | 日本電産株式会社 | モータ、および電動パワーステアリング装置 |
JP6838476B2 (ja) * | 2017-04-25 | 2021-03-03 | 住友電装株式会社 | 樹脂成形品 |
CN207353943U (zh) * | 2017-08-25 | 2018-05-11 | 江苏云意电气股份有限公司 | 一种高效扁线发电机整流器汇流桥支架结构 |
JP2019062708A (ja) * | 2017-09-28 | 2019-04-18 | 日本電産株式会社 | モータ |
JP7000780B2 (ja) * | 2017-09-29 | 2022-01-19 | 日本電産株式会社 | バスバーユニット、モータ |
DE102017217962A1 (de) * | 2017-10-09 | 2019-04-11 | Bayerische Motoren Werke Aktiengesellschaft | Verschaltungsvorrichtung für eine elektrische Maschine |
JP2019110676A (ja) * | 2017-12-18 | 2019-07-04 | トヨタ自動車株式会社 | 回転電機のステータ |
WO2020026394A1 (ja) * | 2018-08-02 | 2020-02-06 | 株式会社芝浦電子 | 温度検知装置および組付体 |
JP2023019701A (ja) * | 2021-07-29 | 2023-02-09 | 住友電装株式会社 | 回転電機用のバスバモジュール |
-
2019
- 2019-09-05 DE DE102019123856.0A patent/DE102019123856A1/de not_active Withdrawn
-
2020
- 2020-07-02 US US17/639,075 patent/US20220302799A1/en active Pending
- 2020-07-02 CN CN202080061052.3A patent/CN114342224B/zh active Active
- 2020-07-02 WO PCT/DE2020/100581 patent/WO2021043352A1/de unknown
- 2020-07-02 EP EP20739563.3A patent/EP4026233A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2021043352A1 (de) | 2021-03-11 |
DE102019123856A1 (de) | 2021-03-11 |
CN114342224A (zh) | 2022-04-12 |
US20220302799A1 (en) | 2022-09-22 |
CN114342224B (zh) | 2024-09-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP4026233A1 (de) | Sensorbefestigung zur temperaturmessung in einer elektrischen maschine eines kraftfahrzeugs | |
DE69811564T2 (de) | Wechselstromgenerator für Kraftfahrzeuge | |
EP2066008B1 (de) | Stator einer dynamoelektrischen Maschine mit Mitteln zur Temperaturerfassung | |
EP1642376B1 (de) | Verschaltungselement für eine wicklung einer elektrischen maschine | |
EP2918004B1 (de) | Elektromotor | |
DE102010013257A1 (de) | Drehmelder | |
DE102019125871A1 (de) | Axialflussmaschine | |
WO2020239545A1 (de) | Stator einer elektrischen maschine mit einem temperatursensor | |
DE102018131965A1 (de) | Stator, Anschlusskomponente und elektrische Maschine | |
WO2006045772A1 (de) | Elektrische maschine | |
DE102016211536A1 (de) | Elektromotor sowie ein Verfahren zu dessen Herstellung | |
EP3034763B1 (de) | Karusselltür | |
DE112008002752T5 (de) | Stator und rotierende elektrische Maschine | |
DE102018214111A1 (de) | Stator für eine elektrische Maschine, eine elektrische Maschine und Verfahren zum Herstellen einer solchen elektrischen Maschine | |
WO2021047709A1 (de) | Sensorbefestigung zur temperaturmessung in einer elektrischen maschine eines kraftfahrzeugs | |
DE102018103249A1 (de) | Anordnung und Verfahren zur Temperaturerfassung eines Stators einer elektrischen Maschine | |
DE102018207229A1 (de) | Stator für eine elektrische Maschine und Verfahren zum Herstellen einer elektrischen Maschine | |
WO2021043815A1 (de) | Stator eines kältemittelantriebs | |
WO2020216401A1 (de) | Elektrische maschine | |
DE19905538A1 (de) | Elektrische Maschine | |
EP3785351A1 (de) | Elektromotor und verfahren zu dessen herstellung | |
EP0734607B1 (de) | Elektrische maschine, insbesondere drehstromgenerator | |
EP3652839A1 (de) | Stator für eine elektrische rotierende maschine | |
EP2304865B1 (de) | Elektrische maschine | |
EP3716453B1 (de) | Herstellungsverfahren eines bauteils und bauteil einer elektrischen maschine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20220405 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20240619 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN WITHDRAWN |