CN109768414A - Electric heater unit - Google Patents
Electric heater unit Download PDFInfo
- Publication number
- CN109768414A CN109768414A CN201811300252.0A CN201811300252A CN109768414A CN 109768414 A CN109768414 A CN 109768414A CN 201811300252 A CN201811300252 A CN 201811300252A CN 109768414 A CN109768414 A CN 109768414A
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- China
- Prior art keywords
- plug
- electric heater
- unit
- heater unit
- voltage
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0429—For vehicles
- F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
- F24H3/0405—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element using electric energy supply, e.g. the heating medium being a resistive element; Heating by direct contact, i.e. with resistive elements, electrodes and fins being bonded together without additional element in-between
- F24H3/0429—For vehicles
- F24H3/0441—Interfaces between the electrodes of a resistive heating element and the power supply means
- F24H3/0447—Forms of the electrode terminals, e.g. tongues or clips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
- F24H9/1872—PTC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
- H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7088—Arrangements for power supply
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to a kind of electric heater units, the electric heater unit is particularly for the motor vehicles with power unit (50) and control unit (52), described control unit (52) includes for controlling the low-voltage interface of signal (18) and for the high voltage interface (20) of source current to operate the power unit (50), wherein described control unit (52) and the power unit (50) are in shared shell (2,58,54,56) it is arranged to a structural unit in.By being arranged uniform plug element (10) in the shell (2,58,54,56) on, and the high-voltage plug terminal component (20) for being used for the source current is electrically connected to the high voltage interface (20), and the low voltage plug terminal component (18) for being used for the control signal is electrically connected to the low-voltage interface (18), source current and control preferably can be signally attached to control unit by electric heater unit.
Description
Technical field
The present invention relates to a kind of electric heater unit, in particular for the motor vehicles with power unit and control unit,
The control unit includes the low-voltage interface for controlling signal and the high voltage interface for electric current to operate power unit.
Background technique
Such as the general electric heater unit of known one kind from 2 017 548 A1 of EP.
Root problem of the invention is to provide a possibility that electric current and control are signally attached to the improvement of control unit.
Summary of the invention
In order to solve this problem, the electric heater unit for the feature with claim 1 that present invention specifies a kind of.This electricity
Heating device is preferably used for the heating device of motor vehicles.Power unit preferably has one abutted against between terminal board
A or multiple PTC element, terminal board motivate PTC element.In general, providing multiple PTC element.Therefore, single or multiple PTC element
The different PTC heating elements for being contained in the electric heater unit and controlling by control unit can be formed.Such as from EP 2
This electric heater unit known in 2 017 548 A1 of 884 197 A1 or EP mentioned above.
The conventional structure of this previously known heating device can be used for realizing heating device according to the present invention.
Therefore, electric heater unit according to the present invention is particularly suitable for the electronic behaviour with high-tension current operation power unit
The motor vehicles of work.Although the component for being assigned to source current in the present specification is referred to as HV (high pressure) component, the present invention is special
High-voltage applications are not suitable for it, however, present invention may also apply to 12V operation those of power unit construction, as is common for having
The motor vehicles of internal combustion engine.In the meaning of the present invention, this source current is also possible to high pressure.
To solve the above-mentioned problems, the electric heater unit in the present invention has offer uniform on electric heater unit shell
Plug element, which has inserts for the high-voltage plug terminal component of source current and low pressure for controlling signal
Head end subcomponent.High-voltage plug terminal component is electrically connected to the high voltage interface of the control unit.Low voltage plug terminal component
It is connected to the corresponding low-voltage interface of the control unit.This connection is usually permanent connection.The connection is usually to pass through plug
The strip electric conductor of element and realize, which regularly passes through the shell of electric heater unit from the outside of plug element
Body is to reach control unit.On the other hand, high pressure or low voltage plug terminal component are exposed to the outside of the shell of electric heater unit.
High pressure or low voltage plug terminal component are often exposed in plug casing, which is preferably reliably attached to the electric heating
The shell of device.This plug casing is typically made of a plastic.The shell of the electric heater unit can also be completely or partially
It is made of plastics or is completely or partially made of metal.About good shielding, especially in high-voltage applications, metal
Shell is preferred.
The plug casing of the uniform plug element can integrally or multi-hull type formed.In the feelings of multi-hull type configuration
Under condition, preferably shell multiple portions are linked together in a fluid tight manner to prevent the infiltration of moisture or dust,
Especially in the region of strip conductor for leading to the high voltage interface.
High-voltage plug terminal component or low voltage plug terminal component are set as female terminal component or male plug joint terminal member
Part allows and is connected to high-voltage plug end and being inserted into the plug element with the matched cooperation plug of the plug element
Several in subcomponent or low voltage plug terminal component or these plug terminal elements.It therefore, can be slotting by uniformly cooperating
Casing (the cooperation plug casing accommodates assigned low voltage plug terminal component and high-voltage plug terminal component) is made this and inserts
Enter formula contact.However, the plug terminal element assigned preferably is assigned to different cooperation plugs, therefore the height assigned
Pressure plug terminal element is assigned to a terminal plug and the low voltage plug terminal component assigned is assigned to another terminal and inserts
Head.Therefore, control signal on the one hand is connected with source current on the other hand by different cooperation plugs, wherein plug member
The uniform plug casing of part is formed with the adaptation guiding surface for above-mentioned cooperation plug, so that passing through the guidance of the plug casing
The matching surface of surface and the cooperation plug assigned guides the connection of female terminal component and male plug terminal component.
Above-mentioned plug casing is preferably reliably connect with shared shell, this shares shell and connects the control unit
With the power unit to form a structural unit.However, such as 2 884 197 A1 of EP for liquid heater and for sky
It is instructed in 2 017 548 A1 of EP of hot-air heater, this shared shell can be by being assigned to mutual and usually securely connection
Several components composition.These previously known electric heater units are the electric heater unit (electric heating dresses for motor vehicle two
Set with power unit and control unit) each example, and be therefore described in the feature of preamble according to claim 1
Electric heater unit basic structure embodiment.The shell of the electric heater unit can be plastic casing.It is also possible to gold
Belong to shell.The shell, which can be, to be partly made of plastics and is partly made of metal.This is equally applicable to accommodate the control
The control shell of the control unit of unit.A part of the control shell can also be a part or complete of the power unit simultaneously
Holotype at the power unit shell.
Good connection for the plug casing and the channel across the electric heater unit for the plug casing
Sealing, preferred embodiment according to the present invention propose to form following plug casing, which has at least two
Flange portion, the flange portion clamp the wall part of the control shell of the control unit.Therefore, which can pass through control
The uniform wall of shell is formed, which is provided with the hole for passing through plug casing.However, it is preferred that the wall portion
Divide and formed by least two housing parts of the control shell, which, which has, is adapted so that the plug casing
The groove passed through, and the plug casing is circumferentially dashed forward on inner side and outer side by corresponding flange portion relative to control shell
Out.Therefore, the flange portion and wall part form a kind of labyrinth of good sealing in the region for ensuring the plug casing channel
Formula sealing.Obvious plug casing may be glued in the wall of the control shell to realize good sealing.The sealing of standard, such as bullet
Property sealing, can be used for sealing the plug casing channel in the control shell.The sealing should prevent moisture under any circumstance
Into the control shell.
Preferred embodiment according to the present invention, the plug element are formed with high-voltage plug socket, the high-voltage plug socket
Circumferentially about the high-voltage plug terminal component and there is the guiding surface for being used for power plug.In addition, the plug element is preferred
Ground is formed with low voltage plug socket, and the low voltage plug socket is circumferentially about the low voltage plug terminal component and has for controlling
The guiding surface of plug.The high-voltage plug socket is suitably adapted for guiding, and usually locks the power plug in the jack shell
So that the plug terminal element assigned contacts the high-voltage plug terminal component under the connection status of the power plug on body,
The plug terminal element wherein assigned is kept by power plug and is electrically connected to the electric wire usually connecting with the power plug.This
It is equally applicable to low voltage plug socket.The high-voltage plug socket or low voltage plug socket are configurable to female plug connector or male plug
Connector.Correspondingly, the power plug or the controller plug are configured to female element or male plug element.This is equally applicable to
The plug terminal element of the plug element or the cooperation plug assigned for being connected to the plug element.
Guiding surface for the power plug and the guiding surface for the controller plug are preferably specified relative to that
This differs at least 80 ° of direction of insertion.Therefore, the different cooperation plugs assigned are connected to this at least 80 ° of angle and insert
Head element.Preferably, the guiding surface for power plug or the guiding surface for controller plug, which are specified, is arranged essentially parallel to
The direction of insertion of the wall of the control shell of the control unit, the wall are penetrated by plug element.Cooperate plug and is accordingly connected to
The corresponding wall that their electric wire is then preferably parallel to control shell extends, and thus generates the arrangement saved in space.Especially
Preferably, direction of insertion deviates about 180 °.When the cooperation plug assigned is inserted into the plug element, then they towards that
This movement.
Preferred embodiment in accordance with the present invention, the plug casing are formed with contact surface, the printed circuit board of control unit
Against the contact surface.The printed circuit board usually has terminal lug, which is used to receive the terminal of plug element
Lug, wherein the terminal lug of plug element is prominent from the contact surface and is electrically connected to the high pressure or low voltage plug terminal member
Part.The terminal lug of plug element is usually formed the inside end of the conductive bar of the plug element.In outside, by the high pressure or
Low voltage plug terminal component realizes the electrical connection of the plug element.In the inside of control shell, via the terminal of printed circuit board
Lug is realized to the connection of the strip conductor of the control unit, and the connection of the strip conductor of printed circuit board is preferably implemented.
It is therefore preferred that the setting of terminal lug is in printing electricity as described in 2 897 230 A1 of EP 2 236 330 A1 or EP
On the plate of road.Other than the terminal lug of plug element, in order to increase the gap between these HV Terminal lugs and climb electricity away from
From a divider web is usually projected into except the contact surface, and divider web setting is being assigned to the high-voltage plug terminal
Between two HV Terminal lugs of element.
Therefore, which needs not be uniform structure.The printed circuit board does not have to must be configured in insulation board
Inside it is provided with the conventional print-circuit board of several conductive bars.But as taught in 2 505 931 A1 of the EP of the application
The printed circuit board is configured in whole or in part.However, in any case it is preferred that all strips of terminal lug connection
Conductor basic setup is in one plane.Accordingly it is also possible to multiple contact surface sections be arranged, such as wherein the HV Terminal is prominent
Ear is projected into except a surface segment, and the low-voltage terminal lug is projected into except another surface segment.This allows the print
The region of the different-thickness of printed circuit board connects, and the region of the different-thickness is for example led by one side for controlling the strip of signal
Body and another aspect are used for the different strip conductors of source current and cause.
The plug casing preferably accommodates L-shaped terminals plate.The L shape usually passes through stamped sheet metal material (sheet metal
Material forms terminal board) and formed.It can be from the plain bending formed by original flaky material the terminal lug.By this
Sheet metal processing, obtains the contact that is respectively electrically connected in the control enclosure interior and the control hull outside in a simple manner.
The control shell is preferably formed by being molded (overmolding) plastic material around terminal board, the modeling
Material material entirely or partly forms the control shell.During injection molding, the material of the control shell is adhered to the terminal board
Material.For example, the injection process can be reliably formed the terminal board and control if the moulding material is formed by thermosetting plastics
Complete sealing between shell.Therefore, it is possible to use moveable core, which keeps terminal board during injection molding
Predetermined position in injection mold is until the plastic material of injection molding solidifies and is sufficiently dimensionally stable.
Detailed description of the invention
Further details and advantages of the present invention are shown in the subsequent description of embodiment related with attached drawing.
Wherein:
Fig. 1 shows the perspective side elevation view of the control housing base with plug element；
Fig. 2 shows the top views according to the amplification of the embodiment of Fig. 1；
Fig. 3 shows the underneath side elevation view of the embodiment according to Fig. 1 and 2, wherein not including control housing base, but includes print
Printed circuit board；
Fig. 4 shows terminal board, and the terminal board is for being configured to for the intracorporal HV Terminal lug of jack shell and low pressure
The strip conductor of terminal lug；
Fig. 5 shows the perspective side elevation view of the upside of the embodiment of plug casing；
Fig. 6 shows the view of the bottom side of the embodiment of the plug casing according to Fig. 5；
Fig. 7 shows the overview of the embodiment of the electric heater unit with plug casing.
Specific embodiment
Fig. 1 shows the top view for accommodating the control housing base 2 of printed circuit board, and the printed circuit board is not equipped with showing
Electronic component out so as to switch or control figure 7 shown in electrical heating elements source current.
The control housing base 2 is made of aluminum and has circumferential edges 6, which includes so that plug element
The through-hole 8 of 10 insertions.The plug element 10 is uniform component and in the shown embodiment, it is provided with uniform (i.e. one
Body formula) plug casing 12.A part of the plug casing 12 is located at the outside of the control housing base 2, the plug casing 12
Other parts be located at the inside of the control housing base 2, and therefore in control shell.
The plug casing 12 is formed with low voltage plug socket 14 and high-voltage plug socket 16.The low voltage plug socket 14 is circumferential
Ground is around present illustrated three low voltage plug terminal components 18.1-18.3 in Fig. 4.The high-voltage plug socket 16 surrounds two height
Press plug terminal element 20.1,20.2.Fig. 4 indicates the alignment of corresponding terminal component 18,20.The low voltage plug terminal component 14
It is formed by L shape cut end daughter board 22.1-3.The high-voltage plug terminal component 20.1,20.2 is by being also stamped into L-shaped height
The formation of pressure side daughter board 24.1,24.2.The corresponding terminal board 22,24 has the low-pressure end gone out from the plain bending of L shape cutting plate
Sub- lug 26 or HV Terminal lug 28.
Fig. 6 shows the corresponding free end of the terminal lug 26,28.The corresponding free end 26,28 is projected into contact
Except surface 30, which is designed as planar abutment printed circuit board 4.In 28.1 He of HV Terminal lug
Between 28.2, divider web 32 be formed on the plug casing 12 and be projected on the HV Terminal lug 28 and
It is comparatively wide compared with HV Terminal lug 28.Divider web 32 increases between the two HV Terminal lugs 28.1 and 28.2
Gap and creepage distance.
As specifically shown in Figures 5 and 6, the opening 34,36 that is formed by high-voltage plug socket 16 and low voltage plug socket 14
It is positioned opposite to each other.From for it is unshowned cooperation plug (cooperation plug for electric current or control signal) plugs and sockets 14,
16 guiding surfaces formed correspondingly extend parallel to each other.As further shown in Figure 1, the direction of insertion thus specified is parallel to
The wall of the control housing base identified by reference marker 38 extends, and the wall of the control housing base is penetrated by plug element 10.
Installation of the plug element 10 on wall 38 is specifically illustrated by Fig. 2.For this purpose, the plug casing 12
With inner flange 40 and external flange 42, the inner flange 40 and external flange 42 surround and clamp the wall 38 between them
Material is to realize sealing.The wall 38 is also formed with the external container 44 for initiatively surrounding the external flange 42 on the outside.It is this
Structure provides a kind of labyrinth sealing, the control shell for preventing moisture or dust from entering in the region of through-hole.
The plug casing 12 shown in Fig. 1 is provided with the adapter cover 46 for connecting low pressure co-operating member.The adaptation
Device lid 46 is latchable to the plug casing 12.The plug casing 12 is made of red plastic, and the adapter cover 46 dyeing is blue
To recognize low-pressure side.
Instead of the adapter cover 46 according to Fig. 1, therefore which can also be formed and for example by multiple portions
It is connected by latch, gluing or welding to form unit.Therefore, the connection of the material lock between half shell be preferably with
Just ensure that the intracorporal current-carrying track of the jack shell and outside completely cut off.Utilize this at least two-part configuration, the shape of plug casing
It can be by difference compared with a part of the formation of the plug casing high-voltage plug socket at a part of the low voltage plug socket
The plastics of color are made.The high-voltage plug socket usually dyes to be red or orange, and the low voltage plug socket can be colored
Plastics for blue or black are formed.What the plastics for forming the high-pressure section can also form plug casing extends to control shell
In those of part.With this configuration, which can consist of two parts: form the inside and outside of the high-voltage plug socket
Part and formed the low voltage plug socket injection molding and different dyeing part, and usually with material lock or master
The mode of dynamic locking is at least connected to the housing parts being firstly mentioned in a sealing manner.
Fig. 7 shows the embodiment for the electric heater unit being described in detail in 2 017 548 A1 of EP.With reference to the description.
The necessary part of power unit and control unit will be only discussed.
Fig. 7 shows the electric heater unit with power unit 50 and control unit 52, power unit 50 and control unit
52 are joined together to form a unit.In the view according to the decomposition of Fig. 7, control housing base 54 and the control assigned
Case lid 56 processed is promoted from the plastic frame 58 around the power unit 50.The power unit is formed by heating device 60, wherein
Heating device 60 is formed by the heating element 62 and radiator element 64 to overlie one another.The heating element 62 is by several vertical
To direction on the PTC element that is arranged one by one formed, terminal board abuts against two sides for powering.
The individual of these terminal boards extends beyond the end of the frame 58 along the direction of the control unit 52 and passes through EP 2
The sealing device 66 being described in detail in 017 548 A1.
The control unit 52 includes the printed circuit board 68 configured with spring lug 70 and power transistor 72.The spring is prominent
The terminal lug that ear 70 and reference marker 74 are identified is in electrical contact, and the terminal lug 74 is by extending beyond the terminal board of the frame 58
It is formed.The power transistor 72 is assigned to across the sealing device 66 and is exposed to long-range in the window 78 formed by frame 58
Cooling element 76.
In an illustrated embodiment, the plug element 10 be embedded in the control housing base 54 and the control case lid 56 it
Between groove in.In the exploded view, the control unit being mounted on the printed circuit board 68 is prominent from the printed circuit board 68
Out.
The description that Fig. 7 is previously shown proposes a kind of electric heater unit (electric heater unit use for motor vehicles
Air heater example).The plug element can also be realized on control shell, such as in the EP 2 884 for liquid heater
Disclosed in 197 A1.By the reference, the disclosure of the previous application of the applicant is included in disclosure of this application.
Reference signs list
2- controls housing base；
4- printed circuit board；
The edge 6-；
8- through-hole；
10- plug element；
12- plug casing；
14- low voltage plug socket；
16- high-voltage plug socket；
18.1- low voltage plug terminal component；
18.2- low voltage plug terminal component；
18.3- low voltage plug terminal component；
20.1- high-voltage plug terminal component；
20.2- high-voltage plug terminal component；
22.1-3 low-voltage terminal board；
24.1/24.2 high-voltage end daughter board；
26- low-voltage terminal lug；
28- HV Terminal lug；
30- contact surface；
34- low-pressure opening；
35- divider web；
36- high pressure opening；
38- wall；
40- inner flange；
42- external flange；
44- external container；
46- adapter cover；
50- power unit；
52- control unit；
54- controls housing base；
56- controls case lid；
58- frame；
60- heating device；
62- heating element；
64- radiator element；
66- sealing device；
68- printed circuit board；
70- spring lug；
72- power transistor；
74- terminal lug；
76- radiator；
78- window
Claims (10)
1. a kind of electric heater unit, the electric heater unit is particularly for motor-driven with power unit (50) and control unit (52)
Vehicle, described control unit (52) include the low-voltage interface for controlling signal and the high voltage interface for source current to operate
The power unit (50), wherein described control unit (52) and the power unit (50) are in shared shell (2,58,54,56)
Inside be arranged to a structural unit, which is characterized in that uniform plug element (10) setting the shared shell (2,58,54,
56) on, and the high-voltage plug terminal component (20) for the source current is electrically connected to the high voltage interface, and for described
The low voltage plug terminal component (18) of control signal is electrically connected to the low-voltage interface.
2. electric heater unit as described in claim 1, which is characterized in that the plug element (10) includes being strongly attached to
The plug casing (12) of the shared shell (2).
3. electric heater unit as claimed in claim 2, which is characterized in that it is convex that the plug casing (12) is formed at least two
Edge point (40,42), at least two flange portion (40,42) clamp the control shell (2) of described control unit (52)
Wall part (38).
4. electric heater unit as described in claim 1, which is characterized in that the plug element (10) is formed with high-voltage plug and inserts
Seat (16), the high-voltage plug socket (16) is circumferentially around the high-voltage plug terminal component (20) and is formed with for power
The guiding surface of plug, the plug element (10) are formed with low voltage plug socket (14), low voltage plug socket (14) week
The low voltage plug terminal component (18) is surround to ground and is formed with the guiding surface for controller plug, and is inserted for power
The guiding surface of head specifies a direction of insertion, which refers to by the guiding surface for the controller plug
Fixed direction of insertion deviates about 80 °.
5. electric heater unit as claimed in claim 4, which is characterized in that for the power plug the guiding surface and
The guiding surface for the controller plug specifies following direction of insertion, and the direction of insertion is arranged essentially parallel to described
The wall (38) of the control shell (2) of control unit (52) and extend, the plug element (10) penetrates the wall (38).
6. electric heater unit as claimed in claim 5, which is characterized in that the direction of insertion deviates about 180 °.
7. electric heater unit as claimed in claim 2, which is characterized in that the plug casing (12) is formed with contact surface
(30), adjacent contact surface (30) of the printed circuit board of described control unit (52), and it is electrically connected to the high-voltage plug
The terminal lug (26,28) of terminal component (20) and low voltage plug terminal component (18) is projected into except the contact surface (30).
8. electric heater unit as claimed in claim 7, which is characterized in that the plug casing (12) accommodates L-shaped terminals plate
(22,24).
9. electric heater unit as claimed in claim 7, which is characterized in that the plug casing (12) passes through injection molding plastic material
And it is connected to the terminal board (22；24), which surrounds the terminal board (22；24) institute is completely or partially formed
State plug casing (12).
10. electric heater unit as claimed in claim 9, which is characterized in that the plug casing (12) is formed as one component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017010211.2 | 2017-11-02 | ||
| DE102017010211.2A DE102017010211A1 (en) | 2017-11-02 | 2017-11-02 | Electric heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109768414A true CN109768414A (en) | 2019-05-17 |
| CN109768414B CN109768414B (en) | 2021-01-15 |
Family
ID=64082971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300252.0A Active CN109768414B (en) | 2017-11-02 | 2018-11-02 | Electric heating device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3480532B1 (en) |
| CN (1) | CN109768414B (en) |
| DE (1) | DE102017010211A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021136173A1 (en) * | 2019-12-30 | 2021-07-08 | 法雷奥汽车空调湖北有限公司 | Electric heating apparatus, heat supply, ventilation and/or air conditioning apparatus and motor vehicle |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3480532A1 (en) | 2019-05-08 |
| EP3480532B1 (en) | 2020-08-19 |
| DE102017010211A1 (en) | 2019-05-02 |
| CN109768414B (en) | 2021-01-15 |
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