CN203056774U - Wiper motor and wiper with same - Google Patents

Wiper motor and wiper with same Download PDF

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Publication number
CN203056774U
CN203056774U CN201220523853XU CN201220523853U CN203056774U CN 203056774 U CN203056774 U CN 203056774U CN 201220523853X U CN201220523853X U CN 201220523853XU CN 201220523853 U CN201220523853 U CN 201220523853U CN 203056774 U CN203056774 U CN 203056774U
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CN
China
Prior art keywords
section
contact
electronic device
ground strip
base
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.)
Expired - Lifetime
Application number
CN201220523853XU
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Chinese (zh)
Inventor
T·霍尔策
M·克斯特斯
杨素林
徐凯凯
杨元浩
刘名杰
崔国强
A·杜德克
G·卡斯廷格尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Automotive Products Changsha Co Ltd
Original Assignee
Bosch Automotive Products Changsha Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bosch Automotive Products Changsha Co Ltd filed Critical Bosch Automotive Products Changsha Co Ltd
Priority to CN201220523853XU priority Critical patent/CN203056774U/en
Application granted granted Critical
Publication of CN203056774U publication Critical patent/CN203056774U/en
Priority to PCT/CN2013/084914 priority patent/WO2014056432A1/en
Priority to DE112013004984.8T priority patent/DE112013004984T5/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225Terminal boxes or connection arrangements
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • H02K11/014Shields associated with stationary parts, e.g. stator cores
    • H02K11/0141Shields associated with casings, enclosures or brackets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30Structural association with control circuits or drive circuits
    • H02K11/38Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/40Structural association with grounding devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/02Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • H02K11/026Suppressors associated with brushes, brush holders or their supports
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/02Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • H02K11/028Suppressors associated with the rotor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)

Abstract

The utility model relates to a vehicle wiper motor. The motor comprises a motor housing, and the motor housing comprises a plastic base and an upper cover made of a conducting material. The upper cover can be fastened on the base. A control circuit is disposed in the motor housing. The control circuit comprises a first electronic device which needs grounding connection and an earth tag. The earth tag is made of sheet metal and comprises a flat body and a grounding segment extending upward from a side of the body. The grounding segment can contact with the fastened upper cover. The vehicle wiper motor is characterized in that the earth tag also comprises a first contact segment disposed at a distance with the body on a side of the grounding segment, and a grounding pin of the first electronic device can be welded on a surface of the first contact segment. The utility model also relates to a vehicle wiper with the motor housing.

Description

Wiper motor and the wiper with this motor
Technical field
The utility model relates generally to the motor of Vehicular wiper, and the utility model also relates to the Vehicular wiper with this motor.
Background technology
Wiper is extensive use of in Hyundai Motor.Usually, wiper comprises motor.Described motor has electric machine casing.The control circuit of motor also is placed in this electric machine casing substantially.For weight reduction and save cost, the housing major part is made of plastics.
Fig. 1 shows a kind of wiper motor housing of prior art.For convenience of explanation, only show the part that relates to control circuit of electric machine casing here.Shown in Fig. 1 (a), this wiper motor housing comprises a plastic feet 1.Electronic devices such as the capacitor 3a, the 3b that belong to control circuit and diode 5a for example are installed on this plastic feet 1. Capacitor 3a, 3b sit idly in the holder of the integrally moulded moulding on base 1, and for fixing, and fastening at capacitor 3a, 3b has a metal fixed cap 4.This metal fixed cap 4 plays two effects: 1. capacitor 3a, 3b are fixed in the base 1; 2. the respective pins of capacitor 3a, 3b contacts with the part of metal fixed cap 4, thereby after (unshowned) metal top cover of wiper motor housing fastens on the base 1, metal fixed cap 4 contacts with described loam cake, makes that the respective pins of capacitor 3a, 3b can ground connection.
As Fig. 1 (a) with (b), in the wiper motor housing of this prior art, also be provided with metal ground strip 2.The effect of this ground strip 2 is to contact with the respective pins of the diode 5 of control circuit, thereby after the metal top cover of wiper motor housing fastened on the base 1, this ground strip 2 contacted with described loam cake, made that the respective pins of diode 5a can ground connection.
For the wiper motor housing of this prior art, the ground connection of fixing and ground connection and the diode 5 of capacitor 4 must be realized by different parts, for example fixed cap 3 and ground strip 2 respectively.For this reason, the manufacturing and assembling difficulty of wiper motor housing have been increased.How to utilize less components to realize that simultaneously the capacitor of control circuit is fixed and the ground connection of capacitor and diode becomes a problem demanding prompt solution.
Disclose a kind of unit sheet for electronic device among the US patent application publication US2004/0046465A1, this unit sheet only can be used in the welding with the pin of relevant electronic device, and can't realize the effect that other is fixing as above-mentioned ground strip; Simultaneously, this unit sheet is made up of a plurality of terminals, and the pin of different electronic devices is welded on the different terminals, certainly will make the Electro Magnetic Compatibility variation.
The utility model content
A purpose of the present utility model provides a kind of electric machine casing for Vehicular wiper, set ground strip can directly be realized the fixing and ground connection of the ground connection electronic device in the control circuit of automobile wiper in this electric machine casing, thereby reduce the demand of relevant fixed cap, reduce manufacturing cost, and can improve the Electro Magnetic Compatibility of entire circuit, improve the welding quality of the grounding pin of electronic device.
According to an aspect of the present utility model, a kind of Vehicular wiper motor is provided, wherein, described motor has electric machine casing, and described electric machine casing comprises the loam cake that plastic feet and electric conducting material are made, loam cake can be fastened on the base, be furnished with control circuit in described electric machine casing, described control circuit comprises first electronic device for example electric capacity and the ground strip that needs ground connection, and described ground strip is that metal sheet is made, and comprise body, smooth body for example; And from the upwardly extending ground connection section of described body one side, body is fixed on the base, so that this ground connection section can contact with fastening loam cake well;
It is characterized in that described ground strip also comprises:
First contact section from a side of described ground connection section and with described body separates that a distance ground extends, the grounding pin of described first electronic device can be welded on described first and contact on the surface of section.
Preferably, described control circuit also comprises second electronic device that needs ground connection, diode for example, and described ground strip comprises that also the grounding pin of described second electronic device can be welded on that side surface that deviates from described body of the described second contact section from the upwardly extending second contact section of the opposite side of described body.
Alternatively, described ground connection section is vertical with described body, and the described first contact section is parallel with described body.
Alternatively, the described second contact section is vertical with described body.
Preferably, described first electronic device can be welded in advance described ground strip first the contact section downside surface on.
Alternatively, the described first contact section extends from described ground connection section via a jointing, and described jointing has the rake of relieve stresses.
Alternatively, the grounding pin of described second electronic device can be welded on the second contact section of described ground strip in advance.
Alternatively, described ground strip also comprises the 3rd contact section that extends from the opposite side of described body, to contact with the grounding pin of other electronic device of control circuit.
Alternatively, the body of described ground strip has fixed part, and described base has the fixed part of coupling, and the two can cooperatively interact so that described body firmly is installed on the described base.
According to another aspect of the present utility model, a kind of Vehicular wiper is provided, described wiper comprises above-mentioned motor.
Employing is according to technique scheme of the present utility model, and only a ground strip just can be realized the fixing of electronic device, thereby has saved the demand that adopts other fixed part in the Vehicular wiper electric machine casing, has saved manufacturing and installation cost; In addition, diode can be welded on the outer surface of the second contact section, and this can control welding quality better, has improved rate of finished products; Moreover electric capacity and/or diode can be welded on the ground strip in advance, and then ground strip is placed in the housing, and the built-up time that this has obviously shortened Vehicular wiper has reduced assembly cost.
Description of drawings
Fig. 1 (a) shows the stereogram of a part of the wiper motor housing of prior art;
Fig. 1 (b) shows the stereogram of the ground strip of the prior art in the wiper motor housing shown in Fig. 1 (a);
Fig. 2 shows the schematic circuit of the control circuit of wiper motor;
Fig. 3 (a) shows the stereogram according to the part of wiper motor housing of the present utility model;
Fig. 3 (b) shows the stereogram according to ground strip of the present utility model separately;
Fig. 3 (c) shows capacitor and the diode of installing in the wiper housing separately;
Fig. 4 (a) shows the vertical view according to the base of wiper motor housing of the present utility model; And
Fig. 4 (b) shows the stereogram according to the part of wiper motor housing of the present utility model.
Embodiment
Preferred implementation of the present utility model is described with reference to the accompanying drawings.In each accompanying drawing, identical parts are represented by identical Reference numeral.
Fig. 2 shows the schematic circuit of the control circuit of wiper motor.Should be understood that ground, the utility model does not relate to the formation of physical circuit, therefore only selects common control circuit example explanation at this.In this circuit, A, B and C port link to each other with the connector of special realization control function respectively, in order to be the start and stop of motor M power supply and control motor M, its middle port A and B are embodied as motor M and power, and the whether start and stop of the K switch that links to each other with port C realization motor.Port D is earth terminal.In this circuit, electric capacity 3a, 3b and diode 5a, 5b, 5c have formed the electronic circuit of protection motor M, and wherein electric capacity 3a, 3b and diode 5a must common grounds.
Fig. 3 (a) shows the stereogram according to the part of wiper motor housing of the present utility model.Should be understood that wiper comprises the motor (not shown) substantially.This motor comprises electric machine casing.Comprise base 1 and (unshowned) loam cake substantially according to wiper motor housing of the present utility model.Base 1 is molded by plastic.Loam cake is made in order to be grounded by electric conducting material such as metal.For clearer, Fig. 4 (a) shows the profile diagram of overlooking of base 1 substantially.Circumferential profile approximate vertical from base 1 is extended with flange 1.1, fastens the back sealing purpose in order to realize loam cake.As Fig. 3 (a) with 4(a), be formed with two vertical columns 1.2 in the appropriate position of the periphery of base 1, described column for example is used for passing the corresponding guide hole of loam cake, so that the guiding loam cake aligns.In addition, also be formed with two buckles 1.3 in the appropriate position of the periphery of base 1, in order to cooperate with matching block in the loam cake, loam cake fastened in place.
Referring to Fig. 3 (a), the electronic device of circuit is as shown in Figure 2 settled in base 1.For example, in base 1, be mounted with two electric capacity 3a, 3b and diode 5a, 5b, 5c(wherein, diode 5b, 5c in Fig. 3 (a), hide but shown in Fig. 3 (c)).Concrete as Fig. 3 (c) shown in, electric capacity 3a, 3b comprise grounding pin 3a ', 3b ' and non-grounding pin 3a ", 3b " respectively, and diode 5a comprises grounding pin 5a ' and non-grounding pin 5a respectively ".
Be provided with for the bearing 8 that supports electric capacity 3a, 3b at base 1.This bearing 8 is made of plastics, and is installed on the base 1 after can or making with base 1 integrally moulded moulding.This bearing 8 for example has a sidewall and contacts with an electric capacity 3a.These two electric capacity 3a, 3b sit idly abreast on bearing 8.Because at the metal fixed cap 4 that has omitted prior art (shown in Fig. 1 (a)) in according to wiper motor housing of the present utility model, thus for be fixed on these two electric capacity 3a, the 3b periphery is with a plastic sheath 7.This plastic sheath 7 surrounds the sidewall of bearing 8 and this two electric capacity 3a, 3b, so as with capacitor fixing on bearing.For example, the periphery that can combine with these two electric capacity 3a, 3b of the in-profile of this plastic sheath 7 and the surface of corresponding sidewall are complementary.
Although in an illustrated embodiment, electric capacity 3a, 3b's fixedly realizes via plastic sheath 7.But can expect that other any mode that can expect all can be used for fixed capacity 3a, 3b.For example, omitting under the situation of plastic sheath 7, the bearing direct forming has and cooperates with electric capacity 3a, 3b in order to fix that enclosing of its overlapped or at bearing be shaped the claw etc. of fixed capacity 3a, 3b.
In base 1, be provided with the ground strip 6 according to the utility model structure.Ground strip 6 for example is stamped to form for metal sheet.Fig. 3 (b) has specifically illustrated the shape according to ground strip 6 of the present utility model.Shown in Fig. 3 (a), when ground strip 6 behind emplace on the base 1, grounding pin 3a ', the 3b ' of electric capacity 3a, 3b stretches out from that side of the close ground strip 6 of bearing 8.
Ground strip 6 comprises the body 6.1 of flat.In order to be placed in the base 1 in the mode that occupies minimum space, body 6.1 can have any suitable shape.For example, shown in Fig. 3 (b), body 6.1 roughly is approximately leg-of-mutton shape.The correct position place is formed with breach 6.9 on body 6.1, and has extended upward a stopper section 6.10 from the lopsidedness of this breach 6.9.The outstanding projection 10 that is formed with on the surface that contacts with body 6.1 of base 1.When the body 6.1 of ground strip 6 is placed on the base 1, projection 10 as Fig. 3 (a) shown in, pass breach 6.9 and by stopper section 6.10 against, prevent that ground strip 6 is from base 1 disengaging.
Be extended with a ground connection section 6.2 straight up from a side of the body 6.1 of flat.It is to be noted in present specification, refer to the sensing up or down for base 1 up or down.Shown in Fig. 3 (b), ground connection section 6.2 also is extended with an elbow section 6.6 after extending a segment length.The development length of ground connection section 6.2 is arranged to, and when the body 6.1 of ground strip 6 was placed on the base 1, elbow section 6.6 can stride across on base 1 the column 9(that extends straight up just shown in Fig. 3 (a)).When ground strip 6 base 1 be placed in place after, elbow section 6.6 can stride across column 9, thereby contacts with loam cake on fastening to base 1 subsequently.Loam cake for example is made of metal, thereby ground strip 6 can be grounded function.
It is pointed out that in category of the present utility model the loam cake shape to the wiper motor housing does not limit.That is to say, if with base 1 fastening after loam cake can with contact with the elbow section 6.6 of the ground strip 6 shown in (b) as Fig. 3 (a), the loam cake of Any shape all can adopt.
In this embodiment, elbow section 6.6 is taked the shape of circular arc, thereby when contacting with the loam cake of (not shown), can reduce contact pressure to greatest extent.But, should be understood that elbow section 6.6 is not limited to the circular shape shown in Fig. 3 (b).For example, elbow section 6.6 can also be shaped as any shape that other is fit to such as square or triangle, can contact with loam cake after in place as long as be placed at ground strip 6.As an alternative, even can cancel elbow section 6.6, in this case, when the extended height of ground connection section 6.2 was arranged in loam cake and fastens on the base 1, the free end of ground connection section 6.2 can contact with loam cake.
Shown in Fig. 3 (b), from a side of ground connection section 6.2 laterally, for example be extended with a section 6.3 abreast with body 6.1.For example, this section 6.3 roughly extends with ground connection section 6.2 with meeting at right angles.From Fig. 3 (b) as can be seen, the plane at the plane at section 6.3 places and ground connection section 6.2 places a little arranges with having angle.
From the end opposite with ground connection section 6.2 of section 6.3 laterally, for example extend one abreast with body 6.1 and contact section 6.5.This contact section 6.5 for example links to each other with section 6.3 via a jointing 6.4 that tilts.The jointing 6.4 of this inclination for example can guarantee that contact section 6.5 can have enough deformability degree when ground strip 6 is installed, thus prevent from contacting section 6.5 when contact with other object owing to being out of shape excessive fractureing.
Height between section 6.3 and the body 6.1, the height that more specifically contacts between section 6.5 and the body 6.1 are arranged to, ground strip 6 base 1 be placed in place after, the contact section 6.5 a contact-making surface can shown in Fig. 3 (a), contact grounding pin 3a ', the 3b ' that lays electric capacity 3a, 3b in place at base 1.For example, shown in Fig. 3 (a), when ground strip 6 be placed in place after, the contact section 6.5 the surface towards base 1 contact 3a ', 3b ' with the grounding pin of electric capacity 3a, 3b.Can expect, if necessary, grounding pin 3a ', the 3b ' that also can be arranged to electric capacity 3a, 3b with contact contacting with base 1 opposite surfaces of section 6.5.
Can expect, before being placed in ground strip 6 on the base 1, the respective pins of electric capacity 3a, 3b can be welded on the respective surfaces of contact section 6.5 in advance, thereby after being placed in ground strip 6 on the base 1, electric capacity 3a, 3b can be fixed via fixing ground strip 6.Then, the non-grounding pin 3a of electric capacity 3a, 3b ", 3b " again the electronic device relevant with other link to each other.Like this, although according to the metal fixed cap 4(that does not adopt prior art in the wiper motor housing of the present utility model as Fig. 1 (a)) shown in, electric capacity 3a, 3b also can by well, fixing reliably; Owing to omitted the metal fixed cap, correspondingly alleviate the weight of wiper motor housing simultaneously, and because the grounding pin of electric capacity 3a, 3b directly is brazed to ground strip 6, therefore also improved the electromagnetic compatibility characteristic of the circuit of whole wiper.
Shown in Fig. 3 (b), generally perpendicularly extended upward another from opposite side and the body 6.1 of body 6.1 and contacted section 6.8.The extended height of this contact section 6.8 is less than the extended height of ground connection section 6.2.From Fig. 3 (a) as can be seen, according to ground strip 6 of the present utility model base 1 be placed in place after, the grounding pin 5a ' of diode 5a with contact section 6.8 contact.In this embodiment, the grounding pin 5a ' of diode 5a and the outer surface contact that contacts section 6.8.In present specification, the contact outside of section or inboard are at the body 6.1 of ground strip.For example, the outer surface of above-mentioned contact section 6.8 refers to that side surface that deviates from body 6.1 of contact section 6.8.
The grounding pin 5a ' of diode 5a can be brazed to the inner surface of contact section 6.8.Can expect that diode 5 also can be as mentioned above as capacitor 3a, 3b, its grounding pin 5a ' is welded on the outer surface of contact section 6.8, then along with ground strip 6 is placed in place and fixing at base 1 in advance.
Can expect that as required, the grounding pin 5a ' of diode 5a also can be brazed to the inner surface towards body 6.1 of contact section 6.8.
Two diode 5b, 5c hiding among Fig. 3 (a) have been shown in Fig. 3 (c).These two diode 5b, 5c comprise the first pin 5b ', 5c ' and the second pin 5b ", 5c " respectively.In base 1, be separately installed with three conducting strips 11,12,13.The first pin 5c ' of the first pin 5b ', the diode 5c of diode 5b and the non-grounding pin 5a of diode 5a " contact with conducting strip 13 simultaneously and can be welded thereon.The non-grounding pin 3a of electric capacity 3a " with the second pin 5b of diode 5b " contacts with conducting strip 12 simultaneously and can be welded thereon.The non-grounding pin 3b of electric capacity 3b " with the second pin 5c of diode 5c " contacts with conducting strip 11 simultaneously and can be welded thereon.
In the embodiment shown in Fig. 3 (b), with ground connection section 6.2 substantially relatively, from body 6.1 vertically be extended with another the contact section 6.7.This contact section 6.7 for example can be used for other electronic device that needs of contact.
Fig. 4 (a) shows the vertical view that is equipped with according to the base 1 of ground strip 6 of the present utility model, and wherein electric capacity 3 does not overlap just like the plastic sheath 7 shown in Fig. 3 (a).Fig. 4 (b) shows the partial perspective view of the base 1 shown in Fig. 4 (a).From these figure as can be seen, the non-grounding pin of electric capacity 3 is positioned at that side opposite with its grounding pin.
Should be understood that, as Fig. 3 (a) to 4(b) shown in the shape of ground strip 6 only illustrate for schematic purpose.In the embodiment shown in the utility model, this shape that ground strip 6 is taked can be saved space occupied in base 1 best.It should be apparent to those skilled in the art that, for the wiper motor housing of the wiper motor housing with other circuit layout or other shape, the shape of ground strip 6 can suitably be out of shape, if the one or more corresponding contact section of ground strip 6 can be simultaneously with circuit in electric capacity and the grounding pin of diode contact.
For example, in an illustrated embodiment, ground strip 6 links to each other with the grounding pin of diode 5a with electric capacity 3a, 3b respectively with 6.8 via two contact sections 6.5; But can expect that ground strip 6 can be only links to each other with the grounding pin of diode 5a with electric capacity 3a, 3b simultaneously via the contact section of a suitable shape.The contact section of this suitable shape can require to arrange arbitrarily according to the layout of ground strip 6 in base 1, for example can be a contact section that extends from that side opposite with jointing 6.4 shown in Fig. 3 (b) of section 6.3.
In shown specific embodiment, the body 6.1 of ground strip 6 is even shape, but can expect that body 6.1 can adopt the non-flat forms shape, can be securely fixed on the base 1 as long as can guarantee body 6.1.For example, ground strip 6 can comprise wavy body 6.1, and this body 6.1 can guarantee that at least three points and base 1 are welded to connect simultaneously.Like this, this wavy body also can be securely fixed on the base 1.The body 6.1 of any other the suitable shape that it may occur to persons skilled in the art that all can adopt in according to ground strip 6 of the present utility model.
Employing has the wiper according to ground strip of the present utility model, only adopts a ground strip just can realize the electronic device ground connection of electric capacity and diode for example in the circuit simultaneously because omitted the metal fixed cap of prior art, can reduce manufacturing cost.In addition, because omitted the metal fixed cap of prior art, so need not in the wiper motor housing to the fixing metal fixed cap arranges corresponding fixed structure, this has also simplified the structure of wiper motor housing base, for other device mounting provides more possibilities again.In addition owing to omitted the metal fixed cap of prior art, can reduce wiper weight, saved the inside assembling space of wiper motor housing.This for example can provide more space for the arrangement of other hermetically-sealed construction that is fit to.In addition, electric capacity directly links to each other with ground strip and also can further improve the electromagnetic compatibility characteristic of wiper motor.
In addition, although in above-mentioned the specifying of present embodiment, adopt diode or electric capacity to describe as an example, can expect, if having in the control circuit other electronic device that needs ground connection for example triode etc. all can adopt similar means ground connection.
Although describe the application's specific implementations here in detail, they only provide for the purpose of explaining, and should not think that they are construed as limiting the application's scope.Under the prerequisite that does not break away from the application's spirit and scope, various replacements, change and transformation can be come out by conception.

Claims (12)

1. Vehicular wiper motor, wherein, described motor comprises electric machine casing, described electric machine casing comprises the loam cake that plastic feet and electric conducting material are made, loam cake can be fastened on the base, is furnished with control circuit in described electric machine casing, and described control circuit comprises first electronic device and the ground strip that needs ground connection, described ground strip is that metal sheet is made, and comprises body; And from the upwardly extending ground connection section of described body one side, body is fixed on the base, so that this ground connection section can contact with fastening loam cake well;
It is characterized in that described ground strip also comprises:
First contact section from a side of described ground connection section and with described body separates that a distance ground extends, the grounding pin of described first electronic device can be welded on described first and contact on the surface of section.
2. motor according to claim 1, it is characterized in that, described control circuit also comprises second electronic device that needs ground connection, and described ground strip comprises that also the grounding pin of described second electronic device can be welded on that side surface that deviates from described body of the described second contact section from the upwardly extending second contact section of the opposite side of described body.
3. motor according to claim 1 and 2 is characterized in that, described ground connection section is vertical with described body, and the described first contact section is parallel with described body.
4. motor according to claim 2 is characterized in that, the described second contact section is vertical with described body.
5. motor according to claim 3 is characterized in that, described first electronic device can be welded on first of described ground strip in advance and contact on the downside surface of section.
6. motor according to claim 1 and 2 is characterized in that, the described first contact section extends from described ground connection section via a jointing, and described jointing has the rake of relieve stresses.
7. motor according to claim 2 is characterized in that, the grounding pin of described second electronic device can be welded on the second contact section of described ground strip in advance.
8. motor according to claim 1 and 2 is characterized in that, described ground strip also comprises the 3rd contact section that extends from the opposite side of described body, to contact with the grounding pin of other electronic device of control circuit.
9. motor according to claim 1 and 2 is characterized in that, the body of described ground strip has fixed part, and described base has the fixed part of coupling, and the two can cooperatively interact so that described body firmly is installed on the described base.
10. motor according to claim 1 is characterized in that, described first electronic device is electric capacity.
11. motor according to claim 2 is characterized in that, described second electronic device is diode.
12. a Vehicular wiper is characterized in that, described Vehicular wiper comprises according to the arbitrary described motor of aforementioned claim.
CN201220523853XU 2012-10-12 2012-10-12 Wiper motor and wiper with same Expired - Lifetime CN203056774U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201220523853XU CN203056774U (en) 2012-10-12 2012-10-12 Wiper motor and wiper with same
PCT/CN2013/084914 WO2014056432A1 (en) 2012-10-12 2013-10-09 A wiper motor and a windshield wiper device with the motor.
DE112013004984.8T DE112013004984T5 (en) 2012-10-12 2013-10-09 Electric motor for a windshield wiper and windscreen wiper with such an electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220523853XU CN203056774U (en) 2012-10-12 2012-10-12 Wiper motor and wiper with same

Publications (1)

Publication Number Publication Date
CN203056774U true CN203056774U (en) 2013-07-10

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Application Number Title Priority Date Filing Date
CN201220523853XU Expired - Lifetime CN203056774U (en) 2012-10-12 2012-10-12 Wiper motor and wiper with same

Country Status (3)

Country Link
CN (1) CN203056774U (en)
DE (1) DE112013004984T5 (en)
WO (1) WO2014056432A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN104184253A (en) * 2014-09-11 2014-12-03 无锡钧弘自动化科技有限公司 Economical and practical micro DC air pump motor for automobile

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WO2014056432A1 (en) * 2012-10-12 2014-04-17 博世汽车部件(长沙)有限公司 A wiper motor and a windshield wiper device with the motor.
CN104184253A (en) * 2014-09-11 2014-12-03 无锡钧弘自动化科技有限公司 Economical and practical micro DC air pump motor for automobile

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