JPH1155892A - Electric fan device, connector mounting structure, and intermediate terminal - Google Patents

Abstract

(57) Abstract: An electric fan device capable of easily electrically connecting connectors having male terminals to each other is provided. A receiving connector (7) has a male terminal (8) having a recess (7).
a is provided for the fan motor. Plug-in connector 1
1 comprises a male terminal 13 in its recess 11a,
It can be inserted into the concave portion 7a of the receiving connector 7, and is provided in the control device. When the plug-in connector 11 is inserted into the recess 7a of the connector 7, the male terminal 8, 13 can be inserted into both ends of the intermediate terminal 14 in order to electrically connect the male terminals 8, 13 to each other. It has a female shape.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to an electric fan device,
The present invention relates to a mounting structure of a connector and an intermediate terminal, and more particularly, to a mounting structure of a fan motor used for an electric fan device for cooling a condenser for a radiator of an automobile or a cooler, and a control device for controlling a rotation speed of the motor. Things.

[0002]

2. Description of the Related Art An electric fan device for cooling a radiator is provided behind a radiator of an automobile. This electric fan device includes a fan motor and a fan blade. For example, when the cooling air received by the radiator during traveling runs short, the fan motor rotates the fan blade to generate cooling air for cooling the radiator.

[0003] Further, the electric fan device is provided with a control device for controlling the number of revolutions of the fan motor. Since the optimal amount of the cooling air is determined according to the state of the radiator, the control device controls the rotational speed of the fan motor for rotating the fan blades to the optimal rotational speed.

Conventionally, the control device is mounted on a fan motor by electrically connecting the motor and the control device to each other via an electric wire in the course of assembling the motor. A control device is attached together with the assembly of the motor. The electrical connection between the control device and the fan motor is not exposed to the outside. This is to prevent a short circuit, a short circuit, and the like caused by a liquid such as water adhering to a connection portion of the electric fan device because the liquid such as water adheres to the electric fan device.

[0005]

However, the control device is attached to the fan motor in the middle of assembling the motor, and is connected to the motor via electric wires. The connection work is complicated.

Therefore, for example, it is conceivable to provide a receiving connector on the fan motor and provide a plug-in connector to be inserted into the receiving connector on the control device to simplify the work of mounting the control device and the fan motor. However, since the connector is formed by insert molding, a female terminal having a complicated shape is not suitable for insert molding. That is, in forming the connector, the connector is generally provided with a male terminal. Therefore, it is necessary that the connectors provided in the control device and the fan motor can be connected to each other even if both connectors are male terminals.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide an electric fan device and a connector which can easily electrically connect connectors having male terminals to each other. It is to provide a mounting structure and an intermediate terminal used at that time.

[0008]

According to the first aspect of the present invention, there is provided a fan motor disposed behind a radiator for rotating a fan blade to generate cooling air for cooling the radiator; A control device for controlling rotation of the motor, a male terminal provided in the concave portion, a receiving connector provided in one of the fan motor and the control device, and a male terminal provided in the concave portion, and a concave portion of the receiving connector And a plug connector provided on the other side with the receiving connector attached thereto, and when the plug connector is inserted into a concave portion of the receiving connector, the male terminals of the respective connectors are electrically connected to each other. And an intermediate terminal whose both ends are formed into a female shape into which both male terminals can be inserted.

According to the second aspect of the present invention, in the electric fan device according to the first aspect, liquid enters the inside of the electric connector between the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector. A waterproofing means for preventing the occurrence of the water is interposed.

According to a third aspect of the present invention, in the electric fan device according to the second aspect, the waterproof means is an elastic member which is in close contact with the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector.

According to a fourth aspect of the present invention, in the electric fan device according to the third aspect, an elastic force of the elastic member is provided between an inner peripheral surface of the receiving connector and an outer peripheral surface of the insertion connector. A stopper is provided for preventing the insertion connector from coming off.

According to a fifth aspect of the present invention, in the electric fan device according to the fourth aspect, the retaining means includes a locking projection formed on an outer peripheral surface of the plug-in connector and an inner peripheral surface of the receiving connector. The locking projection is formed on the surface and includes the locking projection and a locking hole that can be locked.

According to a sixth aspect of the present invention, in the electric fan device according to the second aspect, the waterproofing means is a waterproofing agent applied over the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector. is there.

According to a seventh aspect of the present invention, in the electric fan device according to the first aspect, the intermediate terminal is formed with a guide portion that is expanded outward at least at one end.

According to an eighth aspect of the present invention, in the electric fan device according to the first aspect, the plug connector includes:
A reinforcing wall was formed in the recess. According to a ninth aspect of the present invention, in the electric fan device according to the first aspect, the control device includes a mounting portion for supporting and fixing the device.

According to a tenth aspect of the present invention, in the electric fan device according to the first aspect, the control device includes a radiator for radiating heat generated from the device. According to the eleventh aspect of the present invention, in the electric fan device according to the tenth aspect, the heat radiating portion includes a heat radiating plate fixed to a surface of the main body of the control device where the cooling air is applied,
It is composed of plate-shaped radiating fins standing on the radiating plate.

According to the twelfth aspect of the present invention, the eleventh aspect provides
In the electric fan device according to the above, when the control device is disposed behind the radiator together with the fan motor,
The radiation fins were formed so as to extend in directions other than the horizontal direction.

According to a thirteenth aspect of the present invention, in the electric fan device according to the twelfth aspect, the radiating fins are formed to extend in a vertical direction. According to a fourteenth aspect of the present invention, in the electric fan device according to the tenth aspect, a heat-generating component is closely attached to the heat radiating portion.

According to the fifteenth aspect, in the fourteenth aspect,
In the electric fan device described in (1), a heat generating component is fixed to the heat radiating portion by a metal fixing member. According to a sixteenth aspect of the present invention, in the electric fan device according to the tenth aspect, the main body of the control device has a shape extending from a side surface of the fan motor to a rear end surface, and the heat radiation portion is provided on the side surface side main body. Wherein the heat-generating component is arranged on a side body of the fan motor, and components other than the heat-generating component are arranged on a rear end surface body of the fan motor.

According to a seventeenth aspect of the present invention, in the electric fan device according to the first aspect, the main body of the control device is provided with a contact surface that is in close contact with a mounting surface of the fan motor.

In the invention according to claim 18, a receiving connector having a male terminal in the concave portion, a male connector having the male terminal in the concave portion, and a plug-in connector fitted into the concave portion of the receiving connector; In order to electrically connect the male terminals to each other when the connector is inserted into the concave portion of the receiving connector, an intermediate terminal having both ends thereof having a female shape into which the male terminal can be inserted is provided.

According to the nineteenth aspect, in the eighteenth aspect,
In the connector mounting structure described in the above, the intermediate terminal has at least one end formed with a guide portion that expands outward.

According to the twentieth aspect of the present invention, there is provided an intermediate terminal having a bent portion formed by bending both sides of a metal plate inward so as to form both ends in a female shape. In order to divide each of the metal plates, a slit portion cut inward from both sides of the metal plate was formed, and a guide portion expanding outward at least at one end was formed.

According to the first aspect of the present invention, when the insertion connector is inserted into the recess of the receiving connector, the male terminals of each connector are inserted into both ends of the intermediate terminal. That is, the male terminals of each connector are electrically connected via the intermediate terminal. Therefore, the fan motor and the control device can be easily electrically connected by coupling the connectors.

According to the second aspect of the present invention, the waterproof means interposed between the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector prevents liquid from entering the inside of the connector.

According to the third aspect of the present invention, since the elastic member is in close contact with the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector, intrusion of the liquid into the connector is prevented. According to the fourth aspect of the present invention, the retaining connector provided between the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector prevents the insertion connector from coming off from the receiving connector due to the elastic force of the elastic member. Is prevented. Therefore, the sealed state of the connector portion can be maintained.

According to the fifth aspect of the present invention, the engaging projection formed on the outer peripheral surface of the insertion connector is engaged with the engaging hole formed on the inner peripheral surface of the receiving connector, and the insertion is performed. The detachment of the connector from the receiving connector is prevented.

According to the sixth aspect of the present invention, the waterproof agent applied over the inner peripheral surface of the receiving connector and the outer peripheral surface of the insertion connector prevents liquid from entering the inside of the connector.

According to the seventh aspect of the present invention, since the guide portion is formed at at least one end of the intermediate terminal so as to expand outward, the male terminal is inserted into the guide portion when the male terminal is inserted. Guide to the intermediate terminal for easy insertion.

According to the eighth aspect of the present invention, since the reinforcing wall is formed in the concave portion of the plug-in connector, the rigidity of each connector is improved, and the vibration resistance of the connector portion is improved. According to the ninth aspect of the present invention, since the control device is supported by the connector portion and the mounting portion, the vibration resistance of the support portion of the control device is improved.

According to the tenth aspect of the present invention, since the control device is provided with the heat radiating portion for radiating heat generated from the device, malfunction or damage due to heat of the control device can be prevented.

According to the eleventh aspect of the present invention, the radiator plate is fixed to the surface of the control device body to which the cooling air is applied, and the radiator plate is provided with the plate-like radiator fins.
The heat generated from the control device is efficiently radiated.

According to the twelfth aspect of the present invention, since the heat escapes in the anti-gravity direction, the heat generated from the control device is efficiently radiated by forming the radiation fins so as to extend in directions other than the horizontal direction. .

According to the thirteenth aspect of the present invention, since heat escapes in the anti-gravity direction, the heat generated from the control device is more efficiently radiated by forming the radiation fin so as to extend in the vertical direction. .

According to the fourteenth aspect of the present invention, since the heat-generating component is closely attached to the heat-radiating portion, the heat generated from the heat-generating component is directly conducted to the heat-radiating portion. Therefore, the heat source of the control device can be efficiently radiated.

According to the fifteenth aspect of the present invention, since the heat generating component is fixed to the heat radiating portion by the metal fixing member, the heat generated from the heat generating component is directly conducted to the heat radiating portion.
The heat is transmitted to the heat radiating portion via the metal fixing member. Therefore, the heat source of the control device can be radiated more efficiently.

According to the sixteenth aspect of the invention, in the control device, the heat-generating component is disposed on the side body of the fan motor provided with the heat radiating portion, and the components other than the heat-generating component are arranged on the rear end surface main body of the fan motor. Placed in Then, the amount of protrusion of the control device from the side surface of the fan motor decreases.
Therefore, the wind noise generated when the cooling wind hits the control device is suppressed.

According to the seventeenth aspect of the present invention, since the contact surface which is in close contact with the mounting surface of the fan motor is formed on the main body of the control device, the control device can be worn on the fan motor without rattling. . Therefore, rattling of the control device with respect to the fan motor is prevented.

According to the eighteenth aspect of the present invention, when the insertion connector is inserted into the recess of the receiving connector, each male terminal is inserted into both ends of the intermediate terminal.
Therefore, connectors having male terminals can be electrically easily connected to each other via the intermediate terminal.

According to the nineteenth aspect of the present invention, at least one end of the intermediate terminal is formed with a guide portion which expands outward, so that the male terminal is inserted when the male terminal is inserted. Can be easily inserted.

According to the twentieth aspect of the present invention, since the guide portion is formed on at least one end so as to expand outward, at the time of inserting the male terminal, the male terminal can be easily inserted into the intermediate terminal. be able to. In addition, since the bent portions are divided at both ends, the slit portions are formed by cutting inward from both sides of the metal plate, so that the bent portions do not interfere with each other.

[0042]

BEST MODE FOR CARRYING OUT THE INVENTION

(First Embodiment) Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.

FIG. 1 shows an electric fan device 1 according to the present embodiment. A substantially columnar fan motor 4 is inserted into a fixing portion 3a of the shroud 3 provided behind the radiator 2, and is fixed with a bolt. A fan blade 5 is fixed to a rotation shaft of the fan motor 4. or,
A control device 6 for controlling rotation of the fan motor 4 is provided on a rear side surface of the fan motor 4. The shroud 3 and the motor case 4a of the fan motor 4 shown in FIG. 2 have two support pieces 3b and 4b for supporting the control device 6, respectively.

As shown in FIGS. 2 and 3, on the side surface of the fan motor 4, a substantially rectangular cylindrical receiving connector 7, one end of which is opened, for electrical connection with the control device 6, is connected to the motor case 4a. It is sandwiched by the end cap 4c. The recess 7a of the receiving connector 7 has two male terminals 8
Is provided. In general, a connector provided with a male terminal is used for an electric device to be mounted on a vehicle. At the opening of the receiving connector 7, a step portion 7b having an opening area larger than that of the concave portion 7a is formed.

On the other hand, the main body 9 having a substantially quadrangular prism shape constituting the control device 6 has the motor case 4
The mounting portion 10 corresponding to the support piece 4b of FIG. On the side surface of the mounting portion 10, an arc surface 10a that can be in close contact with the side surface 4d of the end cap 4c is formed. The front surface 9a of the main body 9 is
The surface on the side where is formed comes into contact with the end cap 4c.

At a substantially center of the arc-shaped surface 10a, there is formed a substantially rectangular cylindrical plug-in connector 11 whose one end is opened to be inserted into the receiving connector 7. Plug connector 11
A square ring-shaped packing 12 made of rubber is fitted into the outer peripheral surface of the base end portion of the base. As shown in FIG. 3, the packing 12 has a lip 12a protruding radially outward and formed over the entire circumference. That is, when the insertion connector 11 is inserted into the receiving connector 7, the packing 12 is housed in the step 7b of the receiving connector 7, the lip 12a is brought into close contact with the step 7b, and the two connectors 7, 11 are sealed. Further, the liquid is prevented from entering the insides of the connectors 7 and 11.

The male connector 13 is provided with two male terminals 13 in the concave portion 11 a of the plug connector 11. This plug connector 11
Is formed by insert molding. Here, as described above, it is conceivable to use a female terminal that can be connected to each male terminal 8 of the receiving connector 7 as the connector 11, but a female terminal having a complicated shape is formed by insert molding. Not suitable for connectors. Therefore, the male terminal 13 is used for the insertion connector 11 of the present embodiment.

As shown in FIGS. 3 and 4, in the present embodiment, an intermediate terminal 14 is provided for connecting each male terminal 8 of the receiving connector 7 and each male terminal 13 of the insertion connector 11 to each other. used. The intermediate terminal 14
A bent portion 14b is formed by bending both sides of one metal plate 14a inwardly in an inverted U-shape. That is, both ends of the intermediate terminal 14 are formed in a female shape. In addition, a slit portion 14c is formed at substantially the center in the longitudinal direction of the intermediate terminal 14 so as to be cut inward from both sides of the metal plate 14a. The slit portion 14c divides the bent portion 14b at a central portion in the longitudinal direction of the intermediate terminal 14.

The side end 14d of the metal plate 14a faces the upper surface of the flat plate portion 14e of the metal plate 14a.
The gap between the male terminals 8 and 13 is set slightly smaller than the thickness of the male terminals 8 and 13. That is, when the male terminals 8, 13 are respectively inserted into the gaps, the bent portions 14b are bent, and the intermediate terminals 14 are electrically connected to each other while sandwiching the male terminals 8, 13 by their elastic force. . At this time, since the slit portion 14c divides the bent portion 14b at a central portion in the longitudinal direction of the intermediate terminal 14, the bent portion 14c when the male terminals 8, 13 are inserted respectively is provided.
The bending of b does not interfere with each other.

The metal plate 14a has a tapered surface 14f at both ends in the longitudinal direction of the metal plate 14a.
Are formed. Further, a guide piece 14g is formed to extend from one end in the longitudinal direction of the metal plate 14a on the flat plate portion 14e of the metal plate 14a, and the guide piece 14g is bent obliquely downward.

That is, when inserting the male terminals 8, 13 into the intermediate terminal 14, the male terminals 8, 13 are guided by the tapered surface 14f or the guide piece 14g. Therefore, the tapered surface 14f or the guide piece 14g is attached to each male terminal 8,
13 can be easily inserted, and even if a relative vertical displacement of the male terminals 8 and 13 occurs, the displacement can be absorbed. When a relative displacement between the male terminals 8 and 13 in the vertical direction occurs, the displacement is absorbed by bending of the bent portion 14b.

On the front surface 9a of the main body 9, a heat radiating plate 15 is formed on the surface of the mounting portion 10 where the arc surface 10a is not formed.
Is fixed. The heat radiating plate 15 is provided with a plurality of plate-shaped heat radiating fins 15a, which are erected perpendicularly to the surface 9a. The radiating fins 15a and the radiating plate 15 are cooled by cooling air generated by the rotation of the fan blade 5,
The electronic components housed in the main body 9 are effectively cooled. The main body 9 has a mounting piece 16 corresponding to the support piece 3b of the shroud 3 with respect to the side surface 9b.
Are formed to extend.

In this embodiment, although not shown, in the main body 9 of the control device 6, a portion located on the side of the fan motor 4 to which the radiator plate 15 is attached, ie, the radiator plate 15
A highly heat-generating component is arranged in the vicinity of
A low heat-generating component is arranged at a portion located at the rear end face (a portion located below the mounting portion 10 shown in FIG. 2). With this configuration, in the present embodiment, while the amount of protrusion of the control device 6 from the side surface of the fan motor 4 is kept small, a highly heat-producing component that is a heat source of the device 6 is efficiently controlled by the radiator plate 15. Cools well.

The main body 9 is provided with a power supply connector 17 electrically connected to the vehicle. Power is supplied to the control device 6 from the vehicle via a power connector 17, and the device 6 controls the rotation of the fan motor 4.

The control device 6 and the fan motor 4 are attached to the shroud 3 by first inserting the plug connector 11.
The intermediate terminal 14 to each male terminal 13
Insert from the side where g is not formed. Next, the insertion connector 11 equipped with the intermediate terminal 14 is inserted into the receiving connector 7 of the fan motor 4. At this time, each male terminal 8 of the receiving connector 7 is guided by the tapered surface 14f of the intermediate terminal 14 and the guide piece 14g into the gap between the side end portion 14d and the flat plate portion 14e.

That is, the male terminals 8 and 13 are electrically connected via the intermediate terminal 14. Therefore, the work of attaching the fan motor 4 and the control device 6 can be simplified. When the insertion connector 11 is inserted into the receiving connector 7, the packing 12 moves to the stepped portion 7 of the receiving connector 7.
b, the lip 12a is brought into close contact with the stepped portion 7b, and the connectors 7, 11 are sealed.
The liquid can be prevented from entering the inside of the housing 11.

Then, in the control device 6, the arc surface 10a of the mounting portion 10 is in close contact with the side surface 4d of the end cap 4c, and the front surface 9a of the main body 9 is in contact with the end cap 4c. That is, the control device 6 is attached to the fan motor 4 without play. Then, the mounting portion 10 of the control device 6 includes two support pieces 4b formed on the motor case 4a.
Is fixed with screws. The fan motor 4 to which the control device 6 is attached is inserted into the fixing portion 3b of the shroud 3 and is fixed by bolts. Thereafter, the mounting piece 16 of the control device 6 is screwed to the two support pieces 3b formed on the shroud 3. In this way, the control device 6 and the fan motor 4 are attached to the shroud 3.

As described above, according to the present embodiment,
It has the following features. (1) Connect the connector 11 of the control device 6 to the fan motor 4
Each male terminal 8, 13 is simply inserted into the receiving connector 7.
Are electrically connected via an intermediate terminal 14. Accordingly, each of the male terminals 8,
13 can easily be electrically connected to each other,
The work of attaching the fan motor 4 and the control device 6 can be simplified.

(2) A square ring-shaped packing 12 made of rubber is fitted on the outer peripheral surface of the base end of the insertion connector 11. The packing 12 is provided at the stepped portion 7 of the receiving connector 7.
The connectors 7 and 11 housed in the connector b are sealed by the elastic force of the connectors 7 and 11 to prevent liquid from entering the inside of the connectors 7 and 11. Therefore, the gasket 12 can reliably prevent liquid from entering the inside of both connectors 7 and 11.

(3) The gap between the side end 14d of the metal plate 14a and the flat plate portion 14e is set to be slightly smaller than the thickness of each of the male terminals 8,13. Therefore, the intermediate terminal 14 can reliably hold the male terminals 8 and 13 and can reliably perform electrical connection with each other.

(4) At approximately the center in the longitudinal direction of the intermediate terminal 14, there is formed a slit portion 14c cut inward from both sides of the metal plate 14a. Slit part 14c
Divides the bent portion 14b at a central portion of the intermediate terminal 14 in the longitudinal direction. Therefore, this slit portion 14c
Thus, when the male terminals 8 and 13 are respectively inserted, the bending of the bent portion 14b does not interfere with each other.

(5) The intermediate terminal 14 has a tapered surface 1
4f and a guide piece 14g are formed, and each male terminal 8, 13 is guided by the tapered surface 14f or the guide piece 14g.
Therefore, the insertion of the male terminals 8 and 13 into the intermediate terminal 14 can be facilitated.

(6) In the present embodiment, although not shown, in the main body 9 of the control device 6, a portion located on the side of the fan motor 4 to which the radiator plate 15 is attached, that is, the radiator plate 1
5, a high heat-generating component is arranged at a position near the rear end surface of the motor 4 (a portion located below the mounting portion 10 shown in FIG. 2). I have. With this configuration, in the present embodiment,
The heat radiating plate 15 can efficiently cool a high heat-generating component, which is a heat source of the control device 6, and the amount of the device 6 protruding from the side surface of the fan motor 4 is reduced. Therefore, it is possible to suppress the wind noise generated when the cooling wind hits the control device 6.

(7) In the control device 6, the arc surface 10a of the mounting portion 10 is in close contact with the side surface 4d of the end cap 4c, and the front surface 9a of the main body 9 is in contact with the end cap 4c. Then, the control device 6 is attached to the fan motor 4 without play. Therefore, rattling of the control device 6 with respect to the fan motor 4 can be prevented.

(Second Embodiment) Hereinafter, a second embodiment of the present invention will be described with reference to FIGS. In the present embodiment, the same members as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

FIG. 5 shows an electric fan device 1a according to this embodiment. Power is supplied to the fan motor 4 fixed to the shroud 3 from the vehicle side via a control device 20 arranged to extend horizontally from the side surface thereof.
The control device 20 controls the rotation of the fan motor 4 at the start of the fan motor 4 in order to prevent the power supply voltage from temporarily dropping significantly due to the rush current.

As shown in FIGS. 6 and 8, the control device 20 includes a main body 21 and a main body 2 made of a substantially rectangular cylindrical synthetic resin.
A heat sink 22 attached to one of the openings of the main body 1;
And the lid 23 attached to the other opening of the cover.

The main body 21 is formed with a plug-in connector 24 that is inserted into the receiving connector 7 of the fan motor 4. A square ring-shaped packing 12 made of rubber is fitted on the outer peripheral surface of the proximal end portion of the insertion connector 24.
In addition, locking projections 24a are formed at two places on the outer peripheral surface of the insertion connector 24. On the other hand, on the inner peripheral surface of the concave portion 7a of the receiving connector 7, a locking hole 7c is formed at a position corresponding to the locking projection 24a.

When the insertion connector 24 is inserted into the receiving connector 7 and the locking projection 24a is locked in the locking hole 7c, the packing 12 is received in the step 7b of the receiving connector 7 and The connector 12a is brought into close contact with the step portion 7b, and the connectors 7, 24 are sealed. That is, packing 1
2 prevents liquid from entering the inside of both connectors 7 and 24. Further, when the locking projection 24a is locked with the locking hole 7c, the elastic force of the packing 12 is reduced.
The plug connector 24 does not fall out of the receiving connector 7 even if it acts in the direction in which the connector 4 comes off. Therefore, the hermetically sealed state of both connectors 7, 24 can be maintained.

In the recess 24b of the plug connector 24,
As shown in FIG. 7, two male terminals 25 fixed by insert molding are provided. Each of the male terminals 25
It is electrically connected to each male terminal 8 of the receiving connector 7 via the intermediate terminal 14 described above. In the recess 24b, a wall 24c separating the male terminals 25 is formed. The wall 24c allows the connector 24 to be inserted.
The rigidity has been increased.

A mounting piece 21 corresponding to the support piece 3b provided on the shroud 3 shown in FIG.
a is formed. The mounting piece 21a is fixed to the support piece 3b with a bolt 26. That is, the control device 20
Are supported by the receiving connector 7 of the fan motor 4 and the support piece 3b of the shroud 3.

The main body 21 has a power supply connector 27 electrically connected to the vehicle. A control circuit is formed in the accommodation space 21b formed inside the main body 21. As one of the electronic components constituting the control circuit, a transistor 28 shown in FIG. 8 is provided.
The transistor 28 is a heat generating portion of the control device 20 and is fixed by a metal screw 29 in a state of being in close contact with the back surface of the heat sink 22. Therefore, heat from the transistor 28 is directly conducted to the heat radiating plate 22 and the screw 2
9 to the heat radiating plate 22. Therefore, heat from the transistor 28 is efficiently conducted to the heat sink 22.
The screw 29 absorbs not only the heat from the transistor 28 but also the heat in the housing space 21b.

On the surface of the heat radiating plate 22, a plurality of plate-shaped heat radiating fins 22a are erected perpendicularly to the surface. The heat radiation fins 22a are formed so as to extend in the vertical direction (vertical direction) when the control device 20 is assembled to the shroud 3 together with the fan motor 4 as shown in FIG. Here, since heat usually escapes in the anti-gravity direction, the heat radiation fins 22a are formed so as to extend in the vertical direction, so that heat can easily escape from the heat radiation fins 22a and the heat radiation plate 22. Then, the radiation fin 22a and the radiation plate 22
Is cooled by the cooling air generated by the rotation of the fan blade 5, so that the electronic components housed in the main body 21, especially the transistor 28, are efficiently cooled.

As described above, according to the present embodiment,
It has the following features. (1) By simply inserting the insertion connector 24 of the control device 20 into the receiving connector 7 of the fan motor 4, each male terminal 8, 2
5 is electrically connected via an intermediate terminal 14.
Therefore, the intermediate terminal 14 enables the male terminals 8 and 25 to be easily electrically connected to each other, and also simplifies the work of mounting the fan motor 4 and the control device 20.

(2) A square ring-shaped packing 12 made of rubber is fitted on the outer peripheral surface of the base end of the insertion connector 24. The packing 12 is provided at the stepped portion 7 of the receiving connector 7.
b, the connectors 7 and 24 are sealed by the elastic force of the connectors 7 and 24 to prevent liquid from entering the insides of the connectors 7 and 24. Therefore, the gasket 12 can reliably prevent liquid from entering the inside of both connectors 7 and 24.

(3) Locking projections 24a are formed at two locations on the outer peripheral surface of the insertion connector 24, and locking holes 7c are formed on the inner peripheral surface of the concave portion 7a of the receiving connector 7. And
When the insertion connector 24 is fitted into the receiving connector 7 and its locking projection 24a is locked in the locking hole 7c, the packing 1
Even if the second elastic force acts in the direction in which the insertion connector 24 comes off, the insertion connector 24 does not come off the receiving connector 7. Therefore, the hermetically sealed state of both connectors 7, 24 can be maintained.

(4) In the recess 24b of the insertion connector 24, a wall 24c for isolating each male terminal 25 is formed. The wall 24c allows the connector 24 to be inserted.
The rigidity has been increased. Therefore, the vibration resistance of the connectors 7 and 24 can be improved.

(5) A mounting piece 21a is formed on a side surface of the main body 21 of the control device 20, and the mounting piece 21a is
Is fixed to the support piece 3b provided at the bottom with a bolt 26.
That is, the control device 20 is supported by the receiving connector 7 of the fan motor 4 and the support piece 3 b of the shroud 3. Therefore, the vibration resistance of the support portion of the control device 20 can be improved.

(6) A radiator plate 22 is fixed to the control device 20, and a plate-like radiator fin 2 is provided on the surface of the radiator plate 22.
A plurality 2a are provided upright to the surface.
Therefore, the heat generated from the control device 20 is efficiently radiated from the heat radiating plate 22 and the heat radiating fins 22a, so that malfunction or damage due to the heat of the device 20 can be prevented.

(7) Moreover, the radiation fins 22a are formed so as to extend vertically when the control device 20 is assembled to the shroud 3 together with the fan motor 4.
Since heat usually escapes in the anti-gravity direction, the heat radiation fins 22a are formed to extend in the vertical direction, so that heat can easily escape from the heat radiation fins 22a and the heat radiation plate 22. Therefore, the heat generated from the control device 20 can be radiated more efficiently.

(8) The transistor 28, which is a heat generating portion of the control device 20, is fixed by a metal screw 29 in a state in which the transistor 28 is in close contact with the back surface of the heat sink 22. Therefore, the heat from the transistor 28 is directly conducted to the heat sink 22 and
The heat is transmitted to the heat radiating plate 22 via the screw 29. Therefore, heat from the transistor 28 is efficiently conducted to the heat sink 22. As a result, the heat source of the control device 20 can be radiated more efficiently.

The embodiment is not limited to the above, but may be modified as follows. In the above embodiments, the packing 12 is attached to the outer peripheral surfaces of the base ends of the insertion connectors 11 and 24, but may be attached to the receiving connector 7. Also, both connectors 7, 11,
24, respectively.

In each of the above embodiments, the packing 12 is formed in the shape of a square ring made of rubber. However, the material and the shape are not limited to this, as long as liquid can be prevented from entering the insides of the connectors 7, 11, and 24. Not something.

In the above embodiments, the intermediate terminal 14 has tapered surfaces 14f at both ends and a guide piece 14g at one end. However, in particular, the tapered surface 14f and the guide piece 14g are not required. Is also good. Also, tapered surface 1
4f and the guide piece 14g may be combined to form at least one of the intermediate terminals 14.

In each of the above embodiments, the fan motor 4
Although the receiving connectors 7 are provided in the control devices 6 and 20, the insertion connectors 11 and 24 are provided in the control devices 6 and 20, respectively. It may be.

In each of the above embodiments, both connectors 7,
11, 24 and the intermediate terminal 14 are connected to the electric fan device 1
Are used for the fan motor 4 and the control devices 6 and 20, but may be used for connection between other devices or the like. In the above-mentioned second embodiment, the connectors 7 and 24 are waterproofed by the packing 12 which is in close contact with the inner peripheral surface of the receiving connector 7 and the outer peripheral surface of the insertion connector 24. However, as shown in FIG. A receiving portion 7d in which the connector 7 is larger than the opening diameter of the insertion connector 24 is formed, and after the insertion connector 24 is inserted into the receiving connector 7, the receiving portion 7d is formed.
d, ie, the inner peripheral surface of the receiving connector 7 and the insertion connector 24
A waterproofing agent 30 made of, for example, hot melt may be applied so as to straddle the outer peripheral surface of the device. Also in this case, it is possible to prevent the liquid from entering the inside of the connectors 7 and 24.

In the second embodiment, when the control device 20 is mounted on the shroud 3 together with the fan motor 4 as shown in FIG. 5, the radiating fins 22a are radiated so as to extend in the vertical direction (vertical direction). Although formed on the plate 22, the direction in which the radiating fins 22a extend is not limited to the horizontal direction. It is better to form the radiation fin 22a so as to extend in the vertical direction (vertical direction).
Heat is most easily escaped from a.

In the second embodiment, the locking projection 24a is formed on the outer peripheral surface of the insertion connector 24, and the locking hole 7c is formed on the inner peripheral surface of the concave portion 7a of the receiving connector 7. Although the connector 24 is prevented from coming off from the receiving connector 7, it is not limited to the locking projection 24 a and the locking hole 7 c as long as the locking is secure.

In the second embodiment, the wall 24c is provided in the recess 24b of the insertion connector 24 as shown in FIG. 6, but the shape is not limited to this. Wall 2
4c may be omitted.

In the first embodiment, the control device 6
Although the mounting portion 10 and the mounting piece 16 are formed on the main body 9 of the first embodiment, they may be omitted. In the second embodiment, the main unit 21 of the control device 20
Although the mounting portion 21a is formed in the first embodiment, it may be omitted.

[0091]

As described in detail above, according to the present invention,
An electric fan device capable of easily electrically connecting connectors having male terminals to each other, a connector mounting structure,
And, an intermediate terminal used at that time can be provided.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of an electric fan device according to a first embodiment.

FIG. 2 is an exploded perspective view showing a mounting portion of a fan motor and a control device.

FIG. 3 is a sectional view of each connector.

FIG. 4 is a perspective view of an intermediate terminal.

FIG. 5 is a configuration diagram of an electric fan device according to a second embodiment.

FIG. 6 is an exploded perspective view showing a mounting portion of the fan motor and the control device.

FIG. 7 is a sectional view of each connector.

FIG. 8 is an exploded perspective view of the control device.

FIG. 9 is a perspective view showing a mounting portion of another example of a fan motor and a control device.

[Explanation of symbols]

4 Fan motor, 4c End cap, 4d Side surface as mounting surface, 5 Fan blade, 6, 20 Control device, 7 Receiving connector, 7a, 11a, 24b Concave portion, 7c Engagement as retaining means Blind holes, 8, 13, 25 ...
Male terminals, 9a: front surface as contact surface, 10, 21a: mounting portion, 10a: arc surface as contact surface, 11, 24: plug-in connector, 12: packing as waterproof means and elastic member, 14: intermediate terminal , 14a ... metal plate, 14b
... Folded portion, 14c Slit portion, 14f Tapered surface as guide portion, 14g Guide piece as guide portion, 15, 2
Reference numeral 2 denotes a heat radiating plate as a heat radiating portion, 16 a mounting piece as a mounting portion, 21 a main body, 22a a radiating fin, 24a a locking projection as a retaining means, 24c a wall as a reinforcing wall, 28
... transistor as a heat-generating component, 29 ... screw as a metal fixing member, 30 ... waterproofing agent as waterproofing means.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI H01R 13/639 H01R 13/639 Z (72) Inventor Akiyoshi Annobu 390 Umeda, Kosai City, Shizuoka Prefecture Asmo Co., Ltd. (72) Inventor Masatoshi Shinkawa 390 Umeda, Kosai-shi, Shizuoka Asmo Co., Ltd. (72) Inventor Akitada Kato 1-1, Showa-cho, Kariya-shi, Aichi-ken Denso Co., Ltd. 1-chome DENSO Corporation (72) Inventor Junji Sugiura 1-1-1, Showa-cho, Kariya-shi, Aichi Prefecture Incorporated DENSO Corporation (72) Inventor Yasuyoshi Hirao 1-1-1, Showa-cho, Kariya-shi, Aichi Stock Association Inside DENSO

Claims (20)

[Claims] A fan motor (4) disposed behind a radiator (2) for rotating a fan blade (5) to generate cooling air for cooling the radiator (2).
A control device (6, 20) for controlling the rotation of the fan motor (4); and a male terminal (8) provided in the recess (7a), and the fan motor (4) or the control device (6, 20). ), And male terminals (13, 25) in the recesses (11a, 24b), and a recess (7) in the connector (7).
a) which can be inserted into the insertion connector (1) provided on the other side with the receiving connector (7) attached.
1,24) and the male connectors (8,13,25) are electrically connected to each other when the insertion connectors (11,24) are fitted into the recesses (7a) of the receiving connector (7). For this purpose, the electric fan device comprises an intermediate terminal (14) having female ends at both ends thereof, into which the male terminals (8, 13, 25) can be inserted. 2. The electric fan device according to claim 1, wherein the inner peripheral surface of the receiving connector and the insertion connector.
1,2,4) between the outer peripheral surface of the connector (7,11,
24) Waterproofing means (12,
30) An electric fan device interposed therein. 3. The electric fan device according to claim 2, wherein the waterproof means (12) is an elastic member which is in close contact with the inner peripheral surface of the receiving connector (7) and the outer peripheral surface of the insertion connectors (11, 24). (12) An electric fan device, characterized in that: 4. The electric fan device according to claim 3, wherein the inner peripheral surface of the receiving connector and the insertion connector.
The elastic member (12) is provided between the outer peripheral surface of (1, 24).
An electric fan device provided with a retaining means (7c, 24a) for preventing the insertion connectors (11, 24) from coming off due to the elastic force of (1). 5. The electric fan device according to claim 4, wherein the retaining means (7c, 24a) includes: a locking projection (24a) formed on an outer peripheral surface of the insertion connector (11, 24); An electric fan device comprising: a locking hole (7c) formed on an inner peripheral surface of the receiving connector (7) and capable of locking the locking projection (24a). 6. The electric fan device according to claim 2, wherein the waterproof means (30) is applied over an inner peripheral surface of the receiving connector (7) and an outer peripheral surface of the insertion connectors (11, 24). An electric fan device comprising a waterproofing agent (30). 7. The electric fan device according to claim 1, wherein a guide portion (14f, 14g) is formed on the intermediate terminal (14) so as to expand outward at least at one end. Electric fan device. 8. The electric fan device according to claim 1, wherein the insertion connector (24) has a reinforcing wall (24c) formed in a concave portion (24b) thereof. 9. The electric fan device according to claim 1, wherein the control device (6, 20) includes the device (6, 20).
An electric fan device comprising: mounting portions (10, 16, 21a) for supporting and fixing the fan. 10. The electric fan device according to claim 1, wherein the control device (6, 20) includes the device (6, 20).
An electric fan device comprising a radiator (15, 22) for radiating heat generated from the fan. 11. The electric fan device according to claim 10, wherein the heat radiating portion (22) includes a heat radiating plate (22) fixed to a surface of the main body (21) of the control device (20) where the cooling air is applied. ), And a plate-like radiating fin (2) standing upright on the radiating plate (22).
2a) An electric fan device comprising: 12. The electric fan device according to claim 11, wherein when the control device (20) is disposed behind the radiator (2) together with the fan motor (4), the radiator fin (22a) is moved horizontally. An electric fan device formed to extend in a direction other than the direction. 13. The electric fan device according to claim 12, wherein the radiation fins (22a) are formed to extend in a vertical direction. 14. The electric fan device according to claim 10, wherein a heat-generating component (28) is closely attached to the heat radiating portion (22). 15. The electric fan device according to claim 14, wherein a heat generating component (28) is fixed to the heat radiating portion (22) by a metal fixing member (29). 16. The electric fan device according to claim 10, wherein a main body (9) of the control device (6) has a shape extending from a side surface of the fan motor (4) to a rear end surface, and has a side main body. The heat dissipating part (15) is provided, wherein the heat generating component is disposed on a side body of the fan motor (4), and components other than the heat generating component are disposed on a rear end surface of the fan motor (4). An electric fan device characterized by: 17. The electric fan device according to claim 1, wherein the body (21) of the control device (6) has a contact surface (4c, 4d) that is in close contact with a mounting surface (4c, 4d) of the fan motor (4). 9a, 10a). 18. A receiving connector (7) provided with a male terminal (8) in a recess (7a) thereof, and a male terminal (13, 25) provided in a recessed portion (11a, 24b) and the receiving connector (7). ) Recess (7
a) when the insertion connectors (11, 24) are inserted into the recesses (7a) of the receiving connector (7); In order to electrically connect the terminals (13, 25), an intermediate terminal (14) having female ends at both ends of which the male terminals (8, 13, 25) can be inserted is provided. Connector mounting structure. 19. The connector mounting structure according to claim 18, wherein the intermediate terminal (14) is formed with a guide portion (14f, 14g) that expands outward at least on one end side. Connector mounting structure. 20. A metal plate (1) having both ends in a female shape.
4a) are bent inward on both sides (14).
b) forming an intermediate terminal, wherein a slit portion (14c) cut inward from both sides of the metal plate (14a) is formed to divide the bent portion (14b) at both ends. , At least one end of the guide portion (14f, 1
4g) is formed.