JPH06239217A - Electronic unit integrated type hydraulic unit in antilock brake system - Google Patents

Abstract

PURPOSE:To enlarge space in a chamber and simplify harness work by providing connectors for solenoid connecting to electronic control parts and/or electric elements, integrating an electronic unit and a hydraylic unit, and connecting the connectors for solenoid to connecting parts for solenoid valve. CONSTITUTION:While inserting respective tabs 5ab-5db of solenoid valves 5a-5d into corresponding connectors 14 for solenoid, an electronic unit 6 is combined with a hydraulic unit 5, and they are integratedly fixed through fitting brackets 62A, 62B. Simultaneously coils of the solenoid valves 5a-5d are connected to the terminal part 61Bc of the electronic unit 6. Next the lead wire of a motor 5e is connected to the terminal part 61Bb of the electronic unit 6, a motor relay 7 and a failsafe relay are mounted onto sockets 62a, 62b, and a connector is combined with a connector receiver 62c. Thereby, the circuit of an antilock brake system is formed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antilock brake system for an automobile, in which the brake fluid pressure is adjusted to prevent the wheels from being locked during sudden braking or braking on a slippery road surface. The present invention relates to a hydraulic unit in which an electronic unit including an electronic control unit is integrated in an antilock brake system.

[0002]

2. Description of the Related Art As one of systems for improving the safety of an automobile, there is an anti-lock brake system that prevents wheels from locking during sudden braking or braking on a slippery road surface. Recently, as the performance of automobiles has increased, many automobiles employing the above-described anti-lock brake system have been produced.

As shown in FIG. 12, the anti-lock brake system described above includes rotation detecting devices 1 to 4, a hydraulic unit 105, an electronic control section 106, and a relay box 107.
Is equipped with.

The rotation detectors 1 to 4 detect the rotation states of the wheels A to D, and are provided for the wheels A to D, respectively. The rotation detection devices 1 to 4 are sensors 1a to 4a.
And sensor rotors 1b to 4b. The sensors 1a to 4a are composed of, for example, permanent magnets, coils, and pole pieces, and are attached to the steering knuckle on the front wheels and to the hub spindle on the rear wheels. On the other hand, the sensor rotor 1b
Reference numerals 4b to 4b are provided on the outer periphery thereof with irregularities (not shown) arranged at equal intervals in the circumferential direction, and are attached to the drive shaft at the front wheels and to the rear hub at the rear wheels. Therefore, the sensor rotors 1b to 4b rotate integrally with the wheels A to D. The sensors 1a to 4a are sensor rotors 1b to 4b.
Wheels A to D
Detects the rotation state of. The rotation detection devices 1 to 4 use detection signals from these sensors 1a to 4a, which will be described later, in an electronic control unit 106.
Send to.

The hydraulic unit 105 is equipped with four solenoid valves 105a to 105d corresponding to each wheel. This hydraulic unit 105 includes an electronic control unit 1 described later.
By controlling the opening and closing of the solenoid valves 105a to 105d based on the control signal sent from 06,
The brake fluid pressure for the wheel cylinders of the wheels A to D is controlled.

The electronic control unit 106 includes the rotation detecting device 1
4 to input the detection signal, and when the brake is applied based on the detection signal, it monitors whether there is a wheel in the locking direction, and is configured by a printed circuit board. There is. This electronic control unit 106
When there is a wheel determined to be in the locking direction, the hydraulic unit 105 is controlled to reduce the brake fluid pressure to the wheel cylinder of the corresponding wheel, and the risk of locking the wheel is avoided. If judged, the brake fluid pressure is increased again.

The relay box 107 has built-in relays 107a and 107b for amplifying a control signal given from the electronic control section 106 and giving it to the hydraulic unit 105.

In FIG. 13, reference numeral 108 denotes a battery of this automobile which is also the power source of the antilock brake system, 109 is an ignition switch, 110 is a stop lamp switch arranged near the brake pedal, and 111 is a part of the rear lamp. A constituent stop lamp, 112 is a warning lamp for notifying the abnormality of the anti-lock brake system, and 113 is a diode provided for turning on the warning lamp 112.

In the conventional anti-lock brake system, as shown in FIG. 12, the hydraulic unit 105 and the relay box 107 are arranged in the engine room, while the electronic control unit 106 is arranged in the room below the seat or in the front panel. It is generally provided. Further, the rotation detection devices 101 to 104 are provided on the wheel portion as described above.

[0010]

Recently, the number of types of electronic control units for automobiles has increased along with the improvement in performance thereof, but it is often required to secure a large indoor space. However, when the electronic control unit 106 is arranged in the room as in the conventional case, the number of long wire harnesses that electrically connect the electronic control unit 106 and the engine room increases, and a large indoor space is secured. There was a problem that it would be difficult to meet the demand.

Further, like the conventional antilock brake system, when the hydraulic unit 105 and the electronic control unit 106 are separately arranged in the engine room and the vehicle compartment, the above-mentioned electric connection is made between them. It is necessary to provide such a wire harness as described above, which has been a problem in improving the productivity of automobiles. In particular, automobiles these days are equipped with many systems that were not available in the past, in addition to the anti-lock brake system, and as a result, the number of wires has increased, making harness work extremely complicated. It is desired to reduce the number of wirings as much as possible for simplification.

The present invention has been made in view of the above circumstances, and the electronic control unit can be integrated with the hydraulic unit in the engine room, thereby increasing the size of the interior space of the automobile and performing the harness work. It is an object of the present invention to provide an electronic unit-integrated hydraulic unit in an antilock brake system that can contribute to simplification of the above.

Another object of the present invention is to provide an antilock brake system capable of easily connecting a coil of a solenoid valve of a hydraulic unit and a motor for circulating a brake fluid to an electronic control section and / or an electric element of an electronic unit. It is an object of the present invention to provide a hydraulic unit integrated with an electronic unit.

[0014]

In order to achieve the above-mentioned object, an electronic unit-integrated hydraulic unit in an anti-lock brake system according to a first aspect of the present invention includes a rotation detecting device for detecting a rotation state of each wheel of an automobile, and an electric unit. A hydraulic unit that controls the brake fluid pressure to the wheel cylinder of each wheel by controlling the opening and closing of a solenoid valve by a control signal, and the brake fluid pressure so that the wheel does not lock based on the detection signal of the rotation detection device. In the anti-lock brake system including an electronic control unit that forms the control signal for controlling the hydraulic pressure control unit, the hydraulic unit includes a solenoid valve connection unit including a contact piece connected to a coil of the solenoid valve, The electronic control unit is another electrical element electrically connected to the electronic control unit. A connecting part for connecting, and a contact piece electrically connected to the electronic control part and / or the electric element, and the contact piece is electrically connectable with the contact part of the solenoid valve connecting part. And a solenoid connector, the electronic unit is integrated with the hydraulic unit, and the solenoid valve connector is connected to the solenoid connector.

According to another aspect of the invention, there is provided an electronic unit-integrated hydraulic unit for an anti-lock brake system, wherein the electronic unit-integrated hydraulic unit circulates brake fluid to a brake master cylinder and a rotation detecting device for detecting the rotational state of each wheel of the automobile. A hydraulic unit for controlling the brake fluid pressure to the wheel cylinder of each wheel by controlling the opening and closing of the solenoid valve by an electric control signal, and the above-mentioned motor based on the detection signal of the rotation detecting device. An anti-lock brake system comprising: an electronic control unit that generates the control signal that controls the brake fluid pressure so that a wheel does not lock, wherein the hydraulic unit is for a motor including a contact piece connected to an electrode of the motor. The electronic control unit is provided with an electrical connection to the electronic control unit. A connecting part for connecting another electric element to be connected, and a contact piece electrically connected to the electronic control part and / or the electric element, and the contact piece is a contact piece of the motor connecting part. And a motor connector that can be electrically connected to the electronic unit, and the electronic unit is integrally fixed to the hydraulic unit, and the motor connector is connected to the motor connector. The parts are connected.

A hydraulic unit integrated with an electronic unit in the anti-lock brake system according to claim 3 is the hydraulic unit according to claim 2.
In the above, the hydraulic unit further includes a solenoid valve connecting portion including a contact piece connected to a coil of the solenoid valve, and the electronic unit includes:
The electronic control unit and / or a contact for electrical connection to the electrical element, and further provided with a solenoid connector, the contact being electrically connectable to the contact of the solenoid valve connector. The solenoid valve connector is connected to the solenoid connector.

A hydraulic unit integrated with an electronic unit in the anti-lock brake system according to claim 4 is the hydraulic unit according to claim 1.
3 through 3, the electronic unit is provided with a housing for accommodating the electronic control unit, and in the electronic unit and the hydraulic unit, a part of the housing of the electronic unit also serves as a bottom plate of the hydraulic unit. It is integrated.

[0018]

In the hydraulic unit integrated with the electronic unit in the anti-lock brake system according to the first aspect of the present invention, a solenoid valve connection portion of the hydraulic unit is provided as the electronic unit having the electronic control unit is integrally connected to the hydraulic unit. Is connected to the solenoid connector of the electronic unit. That is, when the electronic unit having the electronic control unit is integrally connected to the hydraulic unit, the electrical connection between the coil of the solenoid valve and the electronic control unit and / or the electric element of the electronic unit is automatically performed. Done

In the hydraulic unit integrated with the electronic unit in the anti-lock brake system according to the present invention, the electronic unit equipped with the electronic control unit is integrally connected to the hydraulic unit, so that the motor unit of the hydraulic unit is connected to the motor connection unit. The motor connector of the electronic unit is connected. That is, the motor for circulating the brake fluid to the master cylinder and the electronic control unit and / or the electric element of the electronic unit are connected with the electronic unit having the electronic control unit integrally connected to the hydraulic unit. The electrical connection is made automatically.

In the hydraulic unit integrated with an electronic unit in the anti-lock brake system according to a third aspect of the present invention, the coil of the solenoid valve and the electronic unit are coupled with the electronic unit having the electronic control unit integrally coupled to the hydraulic unit. Electrical connection between the electronic control of the unit and / or the electrical element is made automatically, and the motor for circulating the brake fluid to the master cylinder and the electrical control of the electronic control of the electronic unit and / or the electrical element Connection is made automatically.

In the hydraulic unit integrated with the electronic unit in the anti-lock brake system according to the fourth aspect, the casing of the electronic unit also serves as the bottom plate of the hydraulic unit.

[0022]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The antilock brake system shown in FIG. 6 is similar in electrical structure to the conventional antilock brake system shown in FIG. 13 and operates in exactly the same manner. That is, this anti-lock brake system includes rotation detection devices 1 to 4, a hydraulic unit 5, an electronic unit 6 including an electronic control unit 61A, a motor relay 7, a fail safe relay 8 and a diode 9.

In FIG. 6, reference numeral 21 is an automobile battery, 22 is an ignition switch, 23 is a stop lamp switch arranged near the brake pedal, and 2 is a stop lamp switch.
4 is a stop lamp that forms part of the rear lamp, 25
Is a warning lamp to inform you of the abnormality of this anti-lock brake system. The power supply unit 10 including the battery 21 to the warning lamp 25 and the electronic unit 6 are connected by a power supply line 12. In addition, the ground line 1 connected to the power line 12 and the ground terminal (not shown)
3 forms one wire harness with the signal supply line 11 connected to the rotation detection devices 1 to 4 described later, and the connector 15 is connected to the tip of this wire harness.

The rotation detectors 1 to 4 are shown in FIGS.
This is the same as the rotation detecting devices 1 to 4 of the conventional antilock brake system shown in FIG. That is, the rotation detecting devices 1 to 4 are configured to include the sensors 1a to 4a and the sensor rotors 1b to 4
b), the rotation state of each wheel of the automobile is detected, and the detection signal is sent to the electronic control unit 61A described later via the signal supply line 11.

1 and 2 show an electronic unit-integrated hydraulic unit according to the present invention in which the hydraulic unit 5, the electronic unit 6, the motor relay 7 and the fail-safe relay 8 of the antilock brake system shown in FIG. 6 are integrated. Shows. This electronic unit-integrated hydraulic unit is provided in the engine room of an automobile.

The hydraulic unit 5 controls the brake fluid pressure for the wheel cylinders by controlling the opening / closing of the four solenoid valves 5a-5d. The electronic controller 61 controls the opening / closing of the solenoid valves 5a-5d.
This is done based on the control signal sent from A. The means for supplying power to the coils of these solenoid valves 5a-5d will be described later. The hydraulic unit 5 further drives a pump (not shown) (not shown) to circulate the brake fluid to a master cylinder (not shown).
e. Power is supplied to the motor 5e by connecting a lead wire of the motor 5e to a terminal portion 6Bb of the electronic unit 6 described later.

As shown in FIG. 5, the housing 51 of the hydraulic unit 5 comprises a housing body 52 and a bottom plate 53.

The housing main body 52 incorporates the pump, a flow control valve that operates in accordance with opening and closing of the solenoid valves 5a to 5d, a brake fluid flow path (both not shown), and the like. In the housing body 52,
Brake fluid piping ports 5A to 5D for wheel cylinders (not shown) are provided on the front surface, and brake fluid piping ports 5E, 5F for brake master cylinders (not shown) are provided on the side surface. Further, on the rear surface of the housing body 52, the motor 5e connected to the plunger pump of the hydraulic unit 5 is provided.

The bottom plate 53 supports the solenoid valves 5a to 5d between itself and the housing body 51.
Connection pins 5aa to 5da for applying a voltage to the coils of the solenoid valves 5a to 5d are fixed to the bottom plate 53.

The connecting pins 5aa to 5da are integrally molded with a resin coating portion for molding the solenoid valves 5a to 5d, as shown in FIG. 3 as a representative of the connecting pins 5aa. Solenoid tab 5
Inserted in ab-5db. These connection pins 5aa to 5da pass through the bottom plate 53 and project downward from the bottom plate 53 together with the solenoid tabs 5ab to 5db near the ends of the hydraulic unit 5.

As shown in FIG. 1, the electronic unit 6 includes a printed circuit board 61 and a housing 62. The total length of the electronic unit 6 is set to be equal to or less than the total length of the hydraulic unit 5.

The printed circuit board 61 has an electronic control unit 6 in the antilock brake system shown in FIG.
1A, terminal portions 61Ba to 61Be, and wiring portion 61C
(Not shown in FIG. 1) is formed.

The electronic control section 61A is constructed and operates in the same manner as the electronic control section 106 in the conventional antilock brake system.
That is, the electronic control unit 61A calculates the wheel speed and the wheel acceleration / deceleration based on the detection signals sent from the rotation detection devices 1 to 4, estimates the vehicle body speed, and brakes based on these. When it is determined that there is a wheel in the locking direction, the solenoid valves 5a to 5d of the hydraulic unit 5 are controlled to reduce the brake fluid pressure for the wheel cylinder of the corresponding wheel. Further, when the electronic control unit 61A determines that there is no risk of locking of the wheel for which the brake fluid pressure has been reduced as described above, the solenoid valve 5a ...
Controls opening and closing of 5d.

The terminal portions 61Ba to 61Be are arranged on the printed circuit board 61, for example, as shown in FIG.

The terminal portion 61Ba is provided with the signal supply line 11,
It is a terminal portion for connecting the power supply line 12 and the ground line 13 to the electronic unit 6. This terminal portion 61B
Each terminal constituting a is composed of a pin provided upright on the printed circuit board 61, and corresponds to a connector receiver 62c of a housing 62 described later.

The terminal portion 61Bb is a terminal for connecting the power supply lead wire 17 of the motor 5e of the hydraulic unit 5 to the electronic unit 6. This terminal portion 61Bb
Is a printed wiring part 61 on the printed circuit board 61.
It is formed in C (not shown in FIG. 1).

The terminal portion 61Bc is a terminal for connecting the solenoid valves 5a to 5d of the hydraulic unit 5 to the electronic unit 6. The terminal portion 61Bc is also formed on the printed wiring portion (not shown in FIG. 1) on the printed circuit board 61. The solenoid valves 5a to 5d of the hydraulic unit 5 and the terminals of the terminal portion 61Bc corresponding to the solenoid valves 5a to 5d are configured to be equidistant from each other, and the solenoid valves 5a to 5d are arranged. The terminal portion 61B corresponding to
Each terminal of c corresponds to a solenoid connector 14 described later.

The terminal portion 61Bd is a terminal for connecting a motor relay 7 described later to the electronic unit 6.
Each terminal constituting the terminal portion 61Bd is a pin provided upright on the printed circuit board 61 and corresponds to a socket 62a described later.

The terminal portion 61Be is a terminal for connecting a fail-safe relay 8 described later to the electronic unit 6. Each terminal constituting the terminal portion 61Be is composed of a pin erected on the printed circuit board 61, and corresponds to a socket 62b of a housing 62 described later.

The wiring portion 61C (not shown in FIG. 1) in FIG. 6 is the electronic control portion 61A and the terminal portions 61Ba-61.
Each Be is connected.

The housing 62 is made of aluminum and is connected to the housing 51 of the hydraulic unit 5 via mounting brackets 62A and 62B. Inside the housing 62, the printed circuit board 61 is provided on the lower side thereof.
Is stored with its surface horizontal.

Further, on the rear surface of the housing 62, resin sockets 62a and 62b for mounting a motor relay 7 and a fail-safe relay 8 which will be described later are embedded. The terminal portion 61Bd is attached to the socket 62a.
Corresponds to the socket 62b, and the terminal portion 6 is attached to the socket 62b.
1Be corresponds.

Further, on the side surface of the housing 62,
Connector connector 6 made of resin to which the connector 15 is coupled
2c is embedded, and the terminal portion 61Ba corresponds to the connector receiver 62c.

On the upper wall of the housing 62, a connection pin penetrating portion 62d into which the solenoid tabs 5ab to 5db are fitted is formed at a position corresponding to the solenoid tabs 5ab to 5db of the hydraulic unit 5 (FIG. 3). ). A solenoid connector 14 is provided for each solenoid valve 5a to 5d between the connection pin penetrating portion 62d and the terminal portion 61Bc on the printed circuit board 61 (however, in FIG. 3, the solenoid valve 14 is provided). (Only the solenoid connector 14 corresponding to 5a is shown).

As shown in FIG. 3, the solenoid connector 14 includes a resin housing 14a in which a connection terminal 1 is provided.
4b is fixed. The lower end of the connection terminal 14b is
It is soldered to the terminal portion 61Bc of the printed circuit board 61. Further, the connection pins 5aa to 5da can be individually inserted from the upper end of the upper portion of the connection terminal 14b, and the inserted connection pins 5aa to 5d.
It has a contact piece (not shown) that elastically contacts a.

The motor relay 7 is provided for amplifying a control signal given from the electronic control unit 6 and turning on / off the motor 5e. The motor relay 7 is provided with a terminal 7A, and the terminal 7A is electrically connected to a pin terminal that constitutes the terminal portion 61Bd as the motor relay 7 is mounted in the socket 62a provided in the housing 62. Connected to.

The fail-safe relay 8 is provided to shut off signals to the solenoid valves 5a to 5d of the hydraulic unit 5 when an abnormality occurs in the antilock brake system. The fail-safe relay 8 is provided with a terminal similar to the terminal 7A of the motor relay 7, and this terminal is attached to the socket 62b provided in the housing 62 when the fail-safe relay 8 is attached to the terminal. It is electrically connected to the pin terminals that form the portion 61Be.

The diode 9 is connected between the downstream of the warning lamp 25 and the downstream of the contact of the fail-safe relay 8 in order to light the warning lamp 25 when the connector 15 is not fitted. There is.
In the electronic unit 6, the diode 9 is
By connecting to a terminal portion (not shown) provided on a wiring portion 61C (not shown in FIG. 1) of the printed circuit board 61 by soldering or the like, a predetermined terminal of the electronic control portion 61A and a predetermined terminal portion 61Be It is placed between the terminals.

In the electronic unit-integrated hydraulic unit in the antilock brake system constructed as described above, first, the tabs 5ab of the solenoid valves 5a to 5d are first formed.
While inserting ~ 5db into the corresponding solenoid connector 14, connect the electronic unit 6 to the hydraulic unit 5,
The hydraulic unit 5 and the electronic unit 6 are integrally fixed by the mounting brackets 62A and 62B. As the hydraulic unit 5 and the electronic unit 6 are coupled in this way, the coils of the solenoid valves 5a to 5d are connected to the terminal portion 61Bc of the electronic unit 6.

Next, the terminal portion 61B of the electronic unit 6
b to the lead wire of the motor 5e, and the socket 62
Motor relay 7 and fail-safe relay 8 on a and 62b
Is attached, and the connector 15 is connected to the connector receiver 62c. This forms the circuit of the antilock braking system shown in FIG.

The electronic unit-integrated hydraulic unit integrated as described above is arranged at the same position as the hydraulic unit 105 in the conventional antilock brake system shown in FIG.

In the anti-lock brake system having the electronic unit-integrated hydraulic unit described above, even if the anti-lock brake system is provided, there is a span between the engine room and the room for connecting the hydraulic unit 5 and the electronic unit 6. There is no need to provide a wire harness to

In the hydraulic unit integrated with the electronic unit in the anti-lock brake system, the solenoid tabs 5ab to 5db on the hydraulic unit 5 side are connected to the solenoid connector 14 on the electronic unit 6 side while the hydraulic unit 5 is connected to the electronic unit. 6 is an electronic unit 6
By integrating the solenoid valves 5a-
Since the coil of 5d can be connected to the electronic control unit 61A or the motor relay 7 and the fail-safe relay 8, it is possible to omit the work of making only these connections.

Further, in the hydraulic unit integrated with the electronic unit in the anti-lock brake system of the above-mentioned embodiment, the relays 7 and 8 are mounted in the sockets 62a and 62b provided in the housing 62 of the electronic unit 6, respectively. 7, 8 are terminals 6 of the electronic unit 6
The connection is made to 1Bd and 61Be. Therefore, these relays 7 and 8 and the hydraulic unit 5 are used as in the past.
It is not necessary to connect the relays 7 and 8 and the electronic control unit 61A on the printed circuit board with a wire harness, and the harness work can be simplified in this respect as well.

Further, in the above-mentioned electronic unit-integrated hydraulic unit, the electronic unit 6 is connected to the bottom surface of the hydraulic unit 5 in which the piping ports 5A to 5F are not provided. It does not interfere with the brake fluid piping for 5. Further, by connecting the electronic unit 6 to the bottom surface of the hydraulic unit 5, as described above, the solenoid valves 5a to 5d of the hydraulic unit 5 and the terminals of the terminal portion 61Bc corresponding to these solenoid valves 5a to 5d are connected. , All solenoid valves 5a to 5d can be equidistant.

In the above embodiment, the electronic control unit 61A is used.
And the wiring portion 61C (FIG. 6) as one printed circuit board 61.
Although the electronic unit integrated hydraulic unit according to the present invention is formed above, only the electronic control section 61A is formed on the printed circuit board, and the wiring section 61C is formed of a wire harness or has a predetermined interval. It may be formed by disposing a bus bar between each of the plurality of insulating plates provided in advance. In this case, by bending the end of the bus bar, the wiring portion 61C
It is possible to form a connection portion for connecting to a terminal of an electric element such as a printed circuit board or the relays 7, 8 and the connector 15.

Further, in the above embodiment, the socket 62 in which the relays 7 and 8 are provided in the housing 62 of the electronic unit 6 is used.
Although the electronic unit 6 and the relays 7 and 8 are connected to each other by mounting them on the a and 62b, the relays 7 and 8 are directly connected to the printed circuit board 61 in the electronic unit 6 by soldering or the like. May be.

FIG. 7 shows a hydraulic unit integrated with an electronic unit in another anti-lock brake system according to the invention. In FIG. 7, parts corresponding to those in FIG. 1 are shown by adding “′” after the reference numerals. Also,
The electrical connection in the electronic unit-integrated hydraulic unit in FIG. 7 is the same as in FIG.

In the hydraulic unit integrated with the electronic unit in the antilock brake system of FIG. 7, all the piping ports 5A 'to 5F' of the hydraulic unit 5'are provided on the upper surface of the hydraulic unit 5 ', and the electronic unit is 6'is integrated with the hydraulic unit 5'on the front surface of the hydraulic unit 5 '. The hydraulic unit 5'and the electronic unit 6'are coupled via mounting brackets 62A 'and 62B'.

In the hydraulic unit 5 ', the connecting pins connected to the coils of the solenoid valves 5a'-5d' are located on the front side of the hydraulic unit 5 ', as shown by the connecting pin 5aa' as a representative in FIG. It is protruding. The connection pin 5aa 'has a solenoid tab 5ab' except the tip.
Has been inserted into.

In the electronic unit 6 ', a printed circuit board 61' corresponding to the printed circuit board 61 is vertically arranged in a housing 62 '. This electronic unit 6'has a solenoid connector 14 at its lower end.
A solenoid connector 14 'similar to the above is provided. The solenoid tab 5 is attached to the solenoid connector 14 '.
ab 'is inserted so that the connection pin 5aa' is connected to the connection terminal 1 in the solenoid connector 14 '.
4b 'through the terminal portion 6 of the printed circuit board 61'
It is electrically connected to 1Bc '.

The solenoid valve 5 has been described above.
Although only the portion corresponding to a'is performed, the portions corresponding to the other solenoid valves 5b 'to 5d' have the same structure.

FIG. 9 shows a hydraulic unit integrated with an electronic unit in still another antilock brake system according to the present invention. In FIG. 9, parts corresponding to those in FIG. 1 described above are denoted by “″” after the reference numerals, and detailed description thereof is omitted. The electrical connection of the electronic unit-integrated hydraulic unit of FIG. 9 is the same as that of FIG.

In the hydraulic unit integrated with the electronic unit of FIG. 9, the hydraulic unit 5 ″ is arranged above the electronic unit 6 ″, as in the case of FIG.

The housing 51 "of the hydraulic unit 5" is
A housing body 5 similar to the housing body 52 of FIG.
2 ″. On the other hand, in the hydraulic unit 5 ″, a member corresponding to the bottom plate 53 of FIG. 1 is also used as the upper wall 62b ″ of the housing 62 ″ of the electronic unit 6 ″. The housing main body 62a ″ can be detachably fixed to a box-shaped housing main body 62a ″ having an open upper surface. However, in this case, the fixing means of the housing main body 62a ″ and the upper wall 62b ″ is a member made of a metal or a resin material. A publicly known means for engaging and fixing may be adopted, and the description thereof will be omitted here.
d ″ is perforated.

The electronic unit-integrated hydraulic unit shown in FIG. 9 has a solenoid connector 1 similar to that shown in FIG.
4 ″, a pair of connecting pins 5ea ″ (see FIG. 10) and a motor connector 16 ″ that replaces the lead wire (not shown in FIG. 1) of the motor 5e in FIG.
Is equipped with.

As shown in FIG. 10, a tab 5eb "is integrally provided at the lower end of the housing of the motor 5e", and the pair of connecting pins 5ea "are formed on the tab 5eb".
It is fixed in the state that it is inserted in. One end of each connection pin 5ea ″ is connected to a power supply terminal (not shown) of the motor 5e ″ in the housing of the motor 5e ″. The other ends of the pair of connection pins 5ea ″ are parallel to each other. It extends downward in the state.

As shown in FIG. 10, the motor connector 16 "is similar to the solenoid connector 14".
A pair of connection terminals 16 in a resin housing 16a "
b "and 16c" are fixed. The housing 16a ″ is fixed to the printed circuit board 61 ″ of the electronic unit 6 ″. The housing 16a ″ has a partition wall 16aa ″ that insulates the connection terminals 16b ″ and 16c ″ from each other.
Is provided. Also, the connection terminals 16b ", 16c"
The lower end of the terminal portion 61B of the printed circuit board 61 ″.
b ″ (see FIG. 11). On the other hand, the connection pins 5ea ″ can be individually inserted from the upper ends of the upper portions of the connection terminals 16b ″ and 16c ″, and
Each of them is provided with a contact piece (not shown) that elastically contacts the inserted connection pin 5ea ″.

In the electronic unit-integrated hydraulic unit shown in FIG. 9, instead of the mechanical contact type relays 7 and 9 used in FIG. 1 or 7, semiconductor switches 7 ″ such as transistors, 9 "is previously connected to the printed circuit board 61". Also, the connector 15 "
A connector receiver 62c ″ for connecting the above is arranged on the rear surface of the electronic unit 6 ″.

In the electronic unit-integrated hydraulic unit shown in FIG. 9, as described above, the motor connector 16 "is provided and the connector 15" is provided on the rear surface of the electronic unit 6 ". The respective terminal portions 61Ba ", 61Bb", 61Bc "on 61" are arranged as shown in FIG.

In the electronic unit-integrated hydraulic unit of FIG. 9 constructed as described above, first, the housing 54 "of the electronic unit 6" is attached to the hydraulic unit 5 "by the bolt 54.
The upper wall 62b "is fixed. At this time, the through hole 62d" formed in the upper wall 62b "is aligned with the tab 5eb".

Next, the tabs 5ab "to 5db" of the solenoid valves 5a "to 5d" are inserted into the corresponding solenoid connectors 14 ", and the through holes 62d" are formed in the tabs 5eb "on the motor 5e" side. The upper end of the motor connector 16 ″ is inserted via the above. Next, the housing body 62a ″ of the electronic unit 6 ″ is fixed to the upper wall 62b ″. As a result, as the hydraulic unit 5 ″ and the electronic unit 6 ″ are coupled, the printed circuit board 6
The solenoid valve 5a "is attached to the 1" terminal portion 61Bc ".
~ 5d "coil is connected and the terminal portion 61B
The power supply terminal of the motor 5e is connected to b ″.

Finally, by coupling the connector 15 "to the connector receiver 62c", the circuit of the antilock brake system of FIG. 6 is formed.

As is apparent from the above, in the electronic unit-integrated hydraulic unit shown in FIG. 9, the work of connecting the lead wire of the motor 5e ″ to the terminal portion on the electronic unit 6 ″ side is different from that in the case of FIG. It can be omitted and the whole operation can be further simplified.

The electronic unit-integrated hydraulic unit shown in FIG. 9 is mounted on a vehicle by fixing the bracket 64 provided on the hydraulic unit 5 "to the body of the vehicle.

In the hydraulic unit integrated with the electronic unit in still another anti-lock brake system according to the present invention, only the motor of the hydraulic unit and the electronic unit can be connected using the motor connector, and the solenoid of the hydraulic unit and the electronic unit can be connected. The units may be connected using a wire harness.

The respective configurations of the solenoid valve connection portion or the motor connection portion on the hydraulic unit side and the solenoid connector or the motor connector on the electronic unit side are not necessarily limited to the above-described embodiment, and other configurations are possible. You may make it employ | adopt a well-known structure of an electrical connection part.

Further, in each of the above embodiments, the fail-safe relay, the motor relay and the diode are applied as the electric elements, but other electric elements may be applied depending on the circuit configuration of the antilock brake system. Of course. Further, depending on the circuit configuration of the antilock brake system, each contact piece of the solenoid connector or the motor connector may be connected only to the electronic control unit (printed circuit board 61A in FIG. 6).

[0079]

According to the electronic unit-integrated hydraulic unit in the antilock brake system of the first to fourth aspects, the electronic unit incorporating the electronic control unit is arranged in the engine room. There is no need to dispose constituent members, and even if the anti-lock brake system is equipped, there is no effect of being restricted by the expansion of the indoor space. Also, for the same reason, it is possible to eliminate the need for a wire harness that extends between the engine room and the room for the antilock brake system. The work can be simplified and the production efficiency can be improved.

According to the hydraulic unit integrated with the electronic unit in the anti-lock brake system of claims 1, 3 and 4, the coil of the solenoid valve of the hydraulic unit is electrically connected to the electronic control unit and / or the electric element. As the hydraulic unit and the electronic unit are integrated, it can be done by connecting the solenoid connector to the solenoid valve connecting portion, which makes it easier to form the antilock brake system. Also plays.

According to the hydraulic unit integrated with the electronic unit in the antilock brake system of the present invention, the electric connection between the power source terminal of the motor of the hydraulic unit and the electronic control unit and / or the electric element is made possible. As the hydraulic unit and the electronic unit are integrated, it can be done by connecting the motor connector to the motor connector, which also has the effect of making it easier to form the antilock brake system. Play.

According to the hydraulic unit integrated with the electronic unit in the anti-lock brake system of the fourth aspect, since the bottom plate of the hydraulic unit also serves as the upper wall of the housing of the electronic unit, further miniaturization and cost reduction can be achieved. .

[Brief description of drawings]

FIG. 1 is a side view showing a hydraulic unit integrated with an electronic unit in an anti-lock brake system according to the present invention.

FIG. 2 is a rear view of the electronic unit-integrated hydraulic unit in the anti-lock brake system of FIG.

FIG. 3 is an enlarged cross-sectional view illustrating a main part of FIG.

FIG. 4 is an explanatory diagram showing an arrangement example of terminal portions on a printed circuit board.

FIG. 5 is a perspective view of a hydraulic unit.

FIG. 6 is an electrical connection diagram of the anti-lock brake system.

FIG. 7 is a side view of a hydraulic unit integrated with an electronic unit in another anti-lock brake system according to the invention.

FIG. 8 is an enlarged cross-sectional view illustrating a main part of FIG.

FIG. 9 is a side view of a hydraulic unit integrated with an electronic unit in still another anti-lock brake system according to the present invention.

FIG. 10 is an enlarged cross-sectional view illustrating a main part of FIG.

FIG. 11 is an explanatory diagram showing an arrangement example of terminal portions on a printed circuit board.

FIG. 12 is an explanatory diagram showing an outline of a conventional antilock brake system.

FIG. 13 is an electrical connection diagram of a conventional antilock brake system.

[Explanation of symbols]

1 to 4 Rotation detecting device 5, 5 ', 5 "Hydraulic unit 5A to 5F, 5A' to 5F ', 5A" to 5F "Piping port 5aa to 5da, 5aa' Connection pin 5ab to 5db, 5ab 'Solenoid tab 5ea" Connection pin 5eb ″ tab 6, 6 ′, 6 ″ electronic unit 61A electronic control section 61Ba, 61Bb, 61Bc, 61Bd terminal section 61Ba ″, 61Bb ″ terminal section 14, 14 ′, 14 ″ solenoid connector

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hitoshi Hashiba 1-3-3 Shimaya, Konohana-ku, Osaka City Sumitomo Electric Industries, Ltd. (72) Inventor Isao Isao 1-chome, Shimaya, Konohana-ku, Osaka No. 3 Sumitomo Electric Industries Co., Ltd. Osaka Works (72) Inventor Kenji Nakai 1-3-3 Shimaya, Konohana-ku, Osaka City Sumitomo Electric Co., Ltd. Osaka Works (72) Inventor Seiji Ueda Shimano, Konohana-ku, Osaka City, Osaka 1-3 1-3 Sumitomo Electric Industries Co., Ltd. Osaka Works (72) Inventor Tadashi Wada 1-3-3 Shimaya, Konohana-ku, Osaka City Sumitomo Electric Ki Industries Co., Ltd. Osaka Works

Claims (4)

[Claims] 1. A rotation detecting device for detecting a rotation state of each wheel of an automobile, and a hydraulic unit for controlling a brake fluid pressure to a wheel cylinder of each wheel by controlling opening and closing of a solenoid valve by an electric control signal. An anti-lock brake system, comprising: an electronic control unit that forms the control signal that controls the brake fluid pressure so that the wheels are not locked based on a detection signal of the rotation detection device, wherein the hydraulic unit is the solenoid valve. A solenoid valve connecting portion including a contact piece connected to the coil, the electronic control portion, a connection portion for connecting another electric element electrically connected to the electronic control portion, A contact piece electrically connected to the electronic control and / or the electrical element, the contact piece being A solenoid connector that can be electrically connected to a contact piece of a connection part for a renoid valve, and the electronic unit is integrated with the hydraulic unit and the solenoid connector An electronic unit-integrated hydraulic unit in an antilock brake system, characterized in that the solenoid valve connection part is connected to the. 2. A rotation detecting device for detecting a rotation state of each wheel of an automobile, and a motor for circulating brake fluid to a brake master cylinder, and controlling opening / closing of a solenoid valve by an electric control signal. A hydraulic unit for controlling the brake fluid pressure to the wheel cylinder of each wheel, and an electronic control for forming the control signal for controlling the brake fluid pressure so that the wheels are not locked based on the detection signal of the rotation detection device. In the antilock brake system including a section, the hydraulic unit includes a motor connection section including a contact piece connected to an electrode of the motor, and the electronic control section electrically connects to the electronic control section. A connection part for connecting another electric element to be connected, the electronic control part and / or the electric element Mounted on an electronic unit having a contact piece electrically connected to the motor and the contact piece having a motor connector that can be electrically connected to the contact piece of the motor connecting portion, and An electronic unit integrated hydraulic unit in an antilock brake system, wherein the electronic unit is integrally fixed to the hydraulic unit, and the motor connector is connected to the motor connector. 3. The electronic unit-integrated hydraulic unit in the anti-lock brake system according to claim 2, wherein the hydraulic unit further comprises a solenoid valve connecting portion including a contact piece connected to a coil of the solenoid valve. The electronic unit includes a contact piece electrically connected to the electronic control section and / or the electric element, and the contact piece is electrically connectable with a contact piece of the solenoid valve connecting section. An electronic unit-integrated hydraulic unit in an anti-lock brake system, further comprising a solenoid connector, wherein the solenoid valve connector is connected to the solenoid connector. 4. The electronic unit-integrated hydraulic unit in the anti-lock brake system according to claim 1, wherein the electronic unit includes a housing that houses the electronic control unit, An electronic unit-integrated hydraulic unit in an anti-lock brake system, wherein the electronic unit and the hydraulic unit are integrated so that a part of a housing of the electronic unit also serves as a bottom plate of the hydraulic unit.