CN108029223A - For carrying out opened loop control and/or the device of closed-loop control to fan motor - Google Patents
For carrying out opened loop control and/or the device of closed-loop control to fan motor Download PDFInfo
- Publication number
- CN108029223A CN108029223A CN201680054667.7A CN201680054667A CN108029223A CN 108029223 A CN108029223 A CN 108029223A CN 201680054667 A CN201680054667 A CN 201680054667A CN 108029223 A CN108029223 A CN 108029223A
- Authority
- CN
- China
- Prior art keywords
- connection structure
- electric connection
- hot driving
- loop control
- housing
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/205—Heat-dissipating body thermally connected to heat generating element via thermal paths through printed circuit board [PCB]
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
It is used for the device to fan motor progress opened loop control and/or closed-loop control in the module to the crew module of motor vehicles heating, ventilation and/or air adjustment, described device has：Circuit board (16), the circuit board (16), which has, to be used to carry out fan motor opened loop control and/or the electronic unit (32) of closed-loop control；Electric connection structure (18), for the circuit board (16) and/or the electronic unit (32) to be electrically connected to vehicle side power supply；Hot driving device (26), the Heat transmission for that will come from the electronic unit (32) are especially transmitted to the external world to radiator (28)；With housing (12), housing (12), which surrounds described device (10), has housing wall (14).Electric connection structure (18) and/or hot driving device (26) are at least partially integrated into the housing wall (14).
Description
Technical field
The present invention relates to the crew module of motor vehicles is heated, divulge information and/or the module of air adjustment in be used for
Opened loop control and/or the device of closed-loop control, described device are carried out to fan motor to be had：Circuit board, it, which has, is used to carry out
The opened loop control of fan motor and/or the electronic unit of closed-loop control；Electric connection structure, it is used for circuit board and/or electronics
Component is electrically connected to vehicle side power supply；Hot driving device, it is used to, by the Heat transmission from electronic unit to radiator, be particularly
It is transferred to the external world；And housing, it surrounds described device and has housing wall.
Background technology
This device is used to influence the air stream (English in the heating, ventilation and/or air conditioning module of vehicle：Heating
Ventilation and air-conditioning unit, HVAC) because being particular enable to the speed of fan motor for being brushless DC motor or having brush DC motors
Degree is subject to opened loop control or closed-loop control by means of the pulse-width modulated output signal of control device.
Known control device is usually by the circuit board equipped with electronic unit, radiator (usually by metal alloy system
Into), hot interface, electric connection structure (for example, form for male form Mulit-point Connection device) and the housing for accommodating whole components wherein
Composition.The vehicle side harness that power supply is connected via the connection with male form Mulit-point Connection device provides, and therefore to circuit board and cloth
Put component power supply on it.The waste heat occurred at electronic unit is transmitted to radiator via hot interface, and radiator is for example logical
Air stream is crossed to be cooled.
The device of known common type, for example, see KR 2003-0030437A.
The content of the invention
Present invention aims at make it that a kind of device for being used to carry out fan motor opened loop control and/or closed-loop control can
With the distinguishing characteristics of the device is simpler assembling and lower manufacture cost.
According to the present invention, this is realized in the device for starting to refer to type, because electric connection structure and/or hot driving device
It is at least partially integrated into housing wall.This means the binding that is electrically connected for including such as multiple spot Male Connector and/or busbar
Structure and/or hot driving device are connected to housing wall so that these components be unable to that in the case where these parts are not destroyed
This is disconnected.The apparatus according to the invention is particularly suitable for the mould in crew module's heating to motor vehicles, ventilation and/or air adjustment
Power adjustment is carried out to the Brushless DC motor of fan in block.Particularly, in this motor, due to high engine efficiency,
The waste heat of power transistor output becomes less and less, it means that according to the component of required high quantity known in the art
It is still hardly rational.Since only three components (housing, connection structure and hot driving device) are combined to form single portion
Part, wherein only the circuit board with electronic unit needs to be inserted into, therefore apparatus according to the invention is characterized in that, hence it is evident that
Built-up time is shortened, and overall size is smaller, so as to allow to reduce manufacture cost.
According to a preferred embodiment, housing wall is made of plastics, and electric connection structure is partially embedded into shell
In the plastics of body wall, particularly by means of the injection moulding in injection molding technique by encapsulating or covering.This process is just made
It is simple process to make for technology, and with the purpose for providing combiner.
When electric connection structure is at least partially formed hot driving device at the same time and especially extends into hull outside, institute
The further of component is needed to reduce enough realize.
Electric conductivity structures are therefore also to by the Heat transmission from electronic unit to radiator, wherein this can directly send out
Life, or heat can be initially transmitted to housing, and housing is again by thermal output to the external world.For this reason, air for example for cooling purposes
Stream is applied to the outside of housing.Hot driving device is therefore unnecessary to extend up to hull outside；An it is also possible that piece housing
Wall is located at by between electric connection structure and the extraneous hot driving device formed.
Electric connection structure preferably has at least one hot driving region, at least one hot driving region have relative to
Radiator, the thermal resistance especially with respect to the external world, the thermal resistance are at least 2 times lower than housing wall.One or more hot driving regions
It is preferably connected to the contact area directly thermally contacted with the component to be cooled down.
To realize good heat transfer, the casing section being arranged between at least one hot driving region and radiator has
There is the thickness of maximum 1mm.Correspondingly, one or more hot driving regions are therefore only with the thin electrically insulating plastic material layer in hull outside
Covering.
In the development example of the present invention, at least one hot driving region of electric connection structure cloth at least in part
Put on the outside of housing wall, and particularly terminated with flushing with adjacent outside.That is, the plastic material tool of housing wall
The notch in hot driving region is useful for, so that the latter directly contacts with surrounding air.In this way, can realize especially
Good heat transfer.
Especially it is preferably provided at hot driving region made of metal on the 10% to 80% of housing outer surface, particularly
On 20% to 40%.The hot driving region is preferably exposed on the outside of housing, but alternatively, can use one or more heat
Thin plastic layer on discharge areas is implemented, for the purpose of electric insulation.
Advantageously, the major part in housing outer surface is used as hot driving region, because the low-heat stream to radiator is close
Thus degree is enough.Due to low-heat current density, it is possible to implement by the indirect heat transfer of thin plastic layer, and electric connection structure
One or more hot driving regions be arranged in the abundant big region of housing outer surface.Temperature in insulating plastics material
Gradient is in this scope that can be maintained at from 1 to 5K.In addition, not absolute demand increases surface region by means of fin etc..
But if necessary to the hot driving region on optimization application side, then it can be readily adjusted or change connection structure and shell structure.
Advantageously, electric connection structure is made with being defined to the metal of low resistance and thermal resistance, particularly aluminium or copper.
Electric connection structure preferably passes through die forging and/or stamped with sheet metal.System in die forging or punching course
Make and define low manufacture cost, because they can use batch production to perform.Particularly, be compared to it is known in the art and
By extruding or compression casting come the aluminium radiator manufactured, gradual instrument is used with sheet metal so that electricity is made in punching course
The manufacture of connection structure is clearly more cost-effective.Further, since wall thickness or material thickness can be according to electricity requirement and heat requests
To adjust, therefore it can realize especially low material thickness, and this is for example impossible during compression casting.
Electric connection structure preferably has the material thickness of 0.1mm to 1.0mm, it is achieved that low weight.
A development example according to the present invention, the hot driving region of the electric connection structure directly contacted with the external world are used as at the same time
Therefore earthing contact, the hot driving region outstanding through housing are in earth potential, this additionally reduces the number of component.
The conductive traces of electronic unit and/or circuit board preferably by crimp, clamp and/or press-fit connect pin and with
Electric connection structure makes electrical contact with and thermo-contact.Such connection can be implemented in a manner of airtight and is simple, this contributes to circuit board
With installation of the electronic unit in combined shell.Alternatively, it may also be envisaged that welded connection.
In the device of its development example according to the present invention and dependent claims, from known in the art and
Radiator has been integrated with the plastic casing replacement of electric connection structure, the electric connection structure wherein made of aluminium alloy
It is used as hot driving region at the same time.
Electric connection structure is connected to vehicle side power supply, and to the electronic unit of circuit board (power component, such as
MOSFET, chemical capacitor and coil) power supply, these electronic units are to fan motor execution opened loop control and/or closed-loop control.
Connection between electric connection structure and electronic unit is realized by means of the mechanical connection of welding or such as clamping.
The male form Mulit-point Connection device or busbar that are integrated into plastic casing while the refrigerating function of module is used, and
And required cooling capacity is depended on, directly contact with the air stream of hull outside or covered with thin plastic layer.With existing skill
The advantages of art is compared is the built-up time of reduced weight, the component of lesser number and shortening.
Brief description of the drawings
In below based on description of the attached drawing to multiple preferred embodiments, it can be found that further feature and advantage, its
In：
Figure la shows the plan of device according to a first embodiment of the present invention；
Fig. 1 b show the longitudinal section of the device of figure la；
Figure lc shows the front view of the device of Fig. 1 a；
Fig. 2 shows the longitudinal section of device according to a second embodiment of the present invention；
Fig. 3 shows the longitudinal section of device according to a third embodiment of the present invention；
Fig. 4 shows the longitudinal section of device according to a fourth embodiment of the present invention；
Fig. 5 shows the longitudinal section of device according to a fifth embodiment of the present invention；
Fig. 6 shows the longitudinal section of device according to a sixth embodiment of the present invention；With
Fig. 7 shows the sectional view of the apparatus according to the invention, it explains the connection of electronic unit.
Embodiment
Figure la to 1c is shown to be used in the module to the crew module of motor vehicles heating, ventilation and/or air adjustment
The first embodiment of opened loop control and/or the device 10 of closed-loop control is carried out to fan motor.
Device 10 has preferably watertightness housing 12, and housing 12 has the housing wall 14 of tank shape, and circuit board 16 is contained in
In housing 12, the circuit board 16 has the multiple ministrys of electronics industry for being used for that opened loop control and/or closed-loop control to be carried out to fan motor
Part (figure la is to not shown in 1c).
For the electronic unit on circuit board 16 or circuit board 16 is connected to vehicle side power supply, there is provided electric connection structure
18, the busbar 20 of electric connection structure 18 is connected to circuit board 16 via connecting portion 21.In addition, electric connection structure 18 includes two
A connection terminal 24, connection terminal 24 are maintained in connection jack 22, and outstanding from housing 12 and be connected to car
Side line beam.In this case, connect jack 22 and be formed as single piece with housing wall 14, it is real for example with injection molding technique
It is existing.
Electric connection structure 18 is made of the connection terminal 24 of busbar 20 and integral part, the electric connection structure
18 by metal, particularly aluminium or copper into and passing through die forging with the sheet metal that material thickness is preferably 0.1mm to 1.0mm
Or stamped.
Housing 12 or housing wall 14 have hot driving device 26, hot driving device on the side of the downside in as figure lb
26 are embodied as single piece with housing wall 14, and are almost contacted and with circuit board 16 for the heat transfer from electronic unit to be arrived
Radiator 28, be herein the external world.Hot driving device 26 is tabular protuberance, its relative to before circuit board 16 to it is prominent and parallel to
Circuit board 16 extends.
In this case, hot driving device 26 is made up as housing wall 14 of plastics of injection molding technique.Due to
Very big region in housing wall 14 is implemented as hot driving device 26, then since plastics are enough sufficiently cool 16 He of circuit board
Electronic unit simultaneously conducts waste heat to the external world so that can realize relatively low heat flow density.
In the apparatus according to the invention 10, therefore electric connection structure 18 and hot driving device 26 are at least partially integrated into
In housing wall 14, realized especially by injection moulding using encapsulation or covering, therefore device 10 is defined to low weight, low
All parts number and short built-up time.
Fig. 2 shows device 10 according to a second embodiment of the present invention, wherein it is following only about with the in figure la to lc
Detailed description is provided in terms of the difference of one embodiment.Particularly it is to be noted, that in the device 10 according to Fig. 2, there are the jointing holes 22 that are electrically connected
Narrow side front view with figure lc it is identical.
In the device 10 according to Fig. 2, the connecting portion 21 of busbar 20 to circuit board 16 be arranged on housing 12 on
Connect on the opposite side of jack 22, as a result, busbar 20 or electric connection structure 18 actually prolong the lower section of whole circuit board 16
Stretch.In this case, busbar 20 below circuit board 16 extension and part parallel with it be fully embedded in housing wall
In 14 plastics, this is realized again by the injection moulding in injection molding technique using encapsulation or covering.Connection structure 18
Or the metal of busbar 20 is used as hot driving device 26 herein, the waste heat of electronic unit is transferred to shell from hot driving device 26 first
Body wall 14, and radiator 28 is transferred to therefrom.
Fig. 3 shows device 10 according to a third embodiment of the present invention, wherein the difference equally only pair with previous embodiment
Aspect is described in detail.
In the device 10 according to Fig. 3, electric connection structure 18 or particularly busbar 20 is equally used for both hot driving
Device 26 and there is contact area 30 for this, contact area 30 this be embossed into plate and directly connect with electronic unit 32
Touch or contacted via hot interface.The waste heat that component 32 discharges is in this way first via being embedded in housing wall 14 and serve as heat
The section of the electric connection structure 18 of discharge areas 34 is output to housing wall 14, and is output to from housing wall 14 as extraneous form
Radiator 28.
Device 10 (shown in Fig. 4) according to a fourth embodiment of the present invention is different from the device 10 in Fig. 3, and difference is only that
Be arranged on casing section 36 between the hot driving region 34 of electric connection structure 18 and radiator 28 with maximum 1mm substantially more
Small thickness.
In addition, the heat sink 38 for further enhancing cooling effect is arranged on the outside of housing.
Fig. 5 shows device 10 according to a fifth embodiment of the present invention, in the device 10, the heat row of electric connection structure 18
The outside that region 34 is arranged in housing wall 14 is put, and is terminated with flushing with adjacent outside.That is, the plastics material of housing wall 14
Material has notch herein, and therefore, hot driving region 34 is directly contacted with radiator 28, specifically with the external world.As a result, realize spy
Not good heat transfer, especially because hot driving region 34 is at least 2 times lower than housing wall 14 relative to the thermal resistance of radiator 28.
In addition, in the case of the device 10 according to Fig. 5, the hot driving region 34 of electric connection structure 18 is at the same time as ground connection
Contact, because the metal of connection structure 18 herein is directly contacted with the external world.
Whole embodiments have in common that hot driving device 26 or hot driving region 34 are arranged on the outer of housing 12
In major part in surface, particularly 10% to 80%, preferably 20% to 40%, the hot driving device 26 or hot driving
Region 34 is especially made of metal, but metal can also be covered towards outside by (thin) plastic layer.
Fig. 6 shows another embodiment of device 10, and the difference of the device 10 and aforementioned means 10 is only that with slightly not
With framework and with the connection terminal 24 that constructs by different way.
Fig. 7 shows electronic unit 32 to the attachment of the possibility of electric connection structure 18 or busbar 20.The attachment can pass through
(air-tightness) cutting and the clamping of component 32 (capacitor and coil here) in busbar 20 are implemented.Alternatively, component
32 can be welded to electric connection structure 18 or busbar 20.Crimp it is also possible, or by means of press-fit connect pin into
Row connection is to ensure and the electrical contact of electric connection structure 18 and thermally contact.
Claims (12)
1. it is used to drive fan motor in the module to the crew module of motor vehicles heating, ventilation and/or air adjustment
Ring controls and/or the device of closed-loop control, described device have：
Circuit board (16), the circuit board (16), which has, to be used to carry out opened loop control and/or closed-loop control to the fan motor
Electronic unit (32),
Electric connection structure (18), the electric connection structure (18) are used for the circuit board (16) and/or the electronic unit
(32) vehicle side power supply is electrically connected to,
Hot driving device (26), the hot driving device (26) be used for will come from the electronic unit (32) Heat transmission to radiate
Device (28), is especially transmitted to the external world, and
Housing (12), the housing (12) surround described device (10) and have housing wall (14),
It is characterized in that, the electric connection structure (18) and/or the hot driving device (26) be at least partially integrated into it is described
In housing wall (14).
2. device according to claim 1, it is characterised in that the housing wall (14) is made of plastics, and the electricity
Connection structure (18) is partially embedded into the plastics of the housing wall (14), especially by encapsulation or covering, institute
Encapsulation or covering are stated by means of the injection moulding in injection molding technique.
3. device according to claim 1 or 2, it is characterised in that the electric connection structure (18) while at least in part
Form the hot driving device (26) and especially extend to the outside of the housing.
4. according to the device described in one in precedent claims, it is characterised in that the electric connection structure (18) has at least
One hot driving region (34), the hot driving region (34) relative to the radiator (28), especially with respect to described
Extraneous thermal resistance is at least 2 times lower than the housing wall (14).
5. device according to claim 4, it is characterised in that be arranged at least one hot driving region (34) and institute
Stating the casing section (36) between radiator (28) has the thickness of maximum 1mm.
6. device according to claim 4 or 5, it is characterised in that the electric connection structure (18) it is described at least one
Hot driving region (34) is at least partially disposed on the outside of the housing wall (14), and especially with neat with adjacent outside
Flat mode terminates.
7. according to the device described in one in claim 4 to 6, it is characterised in that hot driving region (34) are arranged on described
On the 10% to 80% of the outer surface of housing (12), especially on 20% to 40%, the hot driving region (34) especially by
Metal is made.
8. according to the device described in one in precedent claims, it is characterised in that the electric connection structure (18) is by made of metal
Into, the metal aluminium or copper in particular.
9. according to the device described in one in precedent claims, it is characterised in that the electric connection structure (18) is from metallic plate
Material passes through die forging and/or stamped.
10. according to the device described in one in precedent claims, it is characterised in that the electric connection structure (18) has
The material thickness of 0.1mm to 1.0mm.
11. in the device in the range of quoting back claim 4 according to one in claim 4 to 10, it is characterised in that
The hot driving region (34) of the electric connection structure (18) that is directly contacted with the external world while it is used as earthing contact.
12. according to the device described in one in precedent claims, it is characterised in that the electronic unit (32) and/or described
The conductive traces of circuit board (16) by crimp, clamp and/or press-fit connect pin and with the electric connection structure (18) electricity
Contact and thermo-contact.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102015112446.7 | 2015-07-30 | ||
| DE102015112446.7A DE102015112446A1 (en) | 2015-07-30 | 2015-07-30 | Device for controlling and / or regulating a fan motor |
| PCT/EP2016/067248 WO2017016946A1 (en) | 2015-07-30 | 2016-07-20 | Device for performing open-loop and/or closed-loop control of a fan motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108029223A true CN108029223A (en) | 2018-05-11 |
| CN108029223B CN108029223B (en) | 2020-03-10 |
Family
ID=56511566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680054667.7A Active CN108029223B (en) | 2015-07-30 | 2016-07-20 | Device for open-loop and/or closed-loop control of a fan motor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3329754A1 (en) |
| CN (1) | CN108029223B (en) |
| DE (1) | DE102015112446A1 (en) |
| WO (1) | WO2017016946A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318103B1 (en) * | 2000-09-22 | 2001-11-20 | Delphi Technologies, Inc. | Evaporator mounted blower speed control |
| CN202302782U (en) * | 2011-01-04 | 2012-07-04 | 中国灯饰工程有限公司 | Light emitting diode (LED) illumination assembly with dismountable power supply module |
| CN102930785A (en) * | 2012-09-26 | 2013-02-13 | 惠州雷曼光电科技有限公司 | LED (Light-Emitting Diode) display module |
| DE102011089539B3 (en) * | 2011-12-22 | 2013-04-25 | Behr-Hella Thermocontrol Gmbh | Device for controlling e.g. electrical auxiliary heater for electric vehicle, has printed circuit board fixed with heat coupling surface through connection pins for retaining thermal coupling of component to be cooled with coupling surface |
| WO2014119379A1 (en) * | 2013-01-30 | 2014-08-07 | 日立オートモティブシステムズ株式会社 | Vehicle-mounted electronic module |
| CN104348005A (en) * | 2013-08-02 | 2015-02-11 | 泰科电子(上海)有限公司 | Heat-conduction devices, plugs with heat-conduction devices, socket and combination |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100405563B1 (en) | 2001-10-11 | 2003-11-14 | 현대자동차주식회사 | Resistor cooling structure for controlling blow motor |
-
2015
- 2015-07-30 DE DE102015112446.7A patent/DE102015112446A1/en not_active Withdrawn
-
2016
- 2016-07-20 CN CN201680054667.7A patent/CN108029223B/en active Active
- 2016-07-20 EP EP16741923.3A patent/EP3329754A1/en active Pending
- 2016-07-20 WO PCT/EP2016/067248 patent/WO2017016946A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6318103B1 (en) * | 2000-09-22 | 2001-11-20 | Delphi Technologies, Inc. | Evaporator mounted blower speed control |
| CN202302782U (en) * | 2011-01-04 | 2012-07-04 | 中国灯饰工程有限公司 | Light emitting diode (LED) illumination assembly with dismountable power supply module |
| DE102011089539B3 (en) * | 2011-12-22 | 2013-04-25 | Behr-Hella Thermocontrol Gmbh | Device for controlling e.g. electrical auxiliary heater for electric vehicle, has printed circuit board fixed with heat coupling surface through connection pins for retaining thermal coupling of component to be cooled with coupling surface |
| CN102930785A (en) * | 2012-09-26 | 2013-02-13 | 惠州雷曼光电科技有限公司 | LED (Light-Emitting Diode) display module |
| WO2014119379A1 (en) * | 2013-01-30 | 2014-08-07 | 日立オートモティブシステムズ株式会社 | Vehicle-mounted electronic module |
| CN104348005A (en) * | 2013-08-02 | 2015-02-11 | 泰科电子(上海)有限公司 | Heat-conduction devices, plugs with heat-conduction devices, socket and combination |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108029223B (en) | 2020-03-10 |
| WO2017016946A1 (en) | 2017-02-02 |
| EP3329754A1 (en) | 2018-06-06 |
| DE102015112446A1 (en) | 2017-02-02 |
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