DE10036086A1 - Electrical connection of actuators or sensors with contacts of a circuit carrier and brake pressure control device or active spring or damping system as well as housing for the brake pressure control device or the active spring or damping system - Google Patents

Abstract

The invention relates to an electrical contact between actuators or sensors, preferably coils (9), and the contacts of a circuit carrier (3) in a device for regulating or controlling driving states of a motor vehicle. The coils (9) are detachably arranged next to flat contact areas (22) of the circuit carrier, by means of contact elements (14) which can be impinged upon with pressure or force in order to produce a simple motor-pump unit with an electronic controller. The invention also relates to a housing (1) or a brake pressure regulator or an active suspension or damping system which comprises bearing elements (2, 6) which are used to support the circuit carrier (3).

Description

The invention relates to an electrical connection of Ak tuators or sensors with contacts of a circuit gers in a device for regulating or controlling driving conditions that of a motor vehicle according to the preamble of the An claim 1 and a brake pressure control or an active Fe der- or damping system, such as anti-lock control device (ABS), traction control system (ASR), ESP- Control device (ESP = electronic stability pro grams), electro-hydraulic or mechanical brake (EMS) or EMB), intelligent distance control device (ACC, ICC) and the like according to the preamble of claim 9 and a housing for the brake pressure control device or the ak tive spring or damping system according to the generic term of Claim 17.

There are already a large number of brake pressure regulators for regulating or controlling driving conditions Motor vehicle became known, which is concerned with the construction the as anti-lock control systems, traction control system systems, vehicle dynamics control systems (ESP) or distance control systems designated facilities.

In WO-A-89/10286 an electrohydraulic pressure is  Gel device described, which consists of one or more there are electromagnetically operated hydraulic valves form a valve block. In the valve block is more well known measure a pump arranged by means of a Ven tilblock attached motor is driven. On the the Motor side are opposite side of the valve block Valve domes protruding from the valve block are provided the valves exposed to the hydraulic pressure of the system compared to the electrical or electronic regulator The valve lifters are in the valve domes (housings) arranged with anchor. On the valve domes are from the Ven protruding coils pushed on, their contacts an electrical connection between the coils and the arranged on a circuit board electronic Establish controller. The circuit board, the contact elements te and the coils are of a pot-shaped housing ben that sits on or on the valve block.

The electrical connection disclosed in WO-A-89/10286 between the coils and the circuit carrier is over the Coils associated spring contact elements and the circuit Carrier-assigned contact pins in the form of clamping contacts manufactured.

From DE 30 12 650 A1 is an electrical circuit order known with a circuit carrier, in which a Specially trained contact pin, which one through the PCB gripping leg with the scarf is soldered.

So-called solder contacts are known from EP 04 99 670 B1 have a mounting tab with two down protruding locking hook is provided in the scarf can be latched. The fastening flag points a pad through which the contact pins of the coils ge  leads. Then the connecting wires with the ever soldered for a while.

EP 05 11 339 B1 is also a more flexible one Circuit carrier with a variety of firmly connected Finger sections known, the contact elements with electrical contacts in the flexible, integrally trained the finger sections are connected. Penetrates the contact element the finger sections.

It is known from EP 05 20 047 B1 that the coils ela to attach stisch to a support plate, the Kon clock elements are soldered to the circuit carrier.

The invention has for its object an electrical Connection between coil and contacts of a circuit carrier to create a simple modular structure a device for regulating or controlling driving conditions enable a motor vehicle.

The new electrical connection of coils with contacts a circuit carrier requires a new training egg housing and enables a new structure to be built Brake pressure control device or an active spring or Damping system.

This object is achieved by the features of claims 1, 9 and 17 solved.

Advantageous further developments are in the subclaims specified.

According to the invention, an electrical connection from Aktua gates or sensors, preferably coils, with contacts egg Nes circuit carrier in a device for regulation or control  driving conditions of a motor vehicle are designed such that the contacts as a flat electrically conductive contact zones are formed on the circuit carrier and that the actuators or sensors via pressure and / or force open contact elements on the contact zones of the scarf wearer releasably. This is during assembly tolerance compensation between the coils and the circuit carrier in the lateral and axial direction in to a certain extent possible. Lateral mobility can by the size of those provided on the circuit board conductive contact areas or zones. The axial mobility can be adjusted via the parameters of the contacts elements, for example the elasticity, and / or the off formation of the contact elements, for example an axial Displacement unit for the contact elements who determined the.

The electrical connection from the to the valve domes pushed coils or a connection adapter with the con clocking of the circuit carrier takes place when assembling the Valve block with the housing of the electrical regulator. The Contacting the valve coils, electric motors or son electrical or electronic components by axially prestressing the electrical contact elements, the components are also in their position by the pressure can be held on the valve block. By the way and Way of contacting the circuit carrier on the sides are equipped with electronic components.

The circuit carrier is attached by means of the contact elements the contact elements of the housing at least kept. The Contact force of the contact elements also causes Contact with the coil wire. This connection can be advantageous also be designed as an insulation displacement connection.  

In addition, the coils are through the contact elements pressed against the valve block, unless it is here are already set by other measures, e.g. B. ver are braced. This ensures good thermal contact between between the valve coil (yoke ring) and the valve block aims. A separate metal located under the coil disc, which causes the magnetic reflux, through the contact force of the contact elements also in their buttocks be held.

The invention further relates to a generic Brake pressure control device or an active spring or Damping system that are constructed so that the housing Has system elements that the circuit carrier on the support the opposite side of the contact elements that the circuit carrier component-free or circuit paths has free contact surfaces, which supplied the contact surfaces are arranged and that the contact elements of the coils Circuit carrier subjected to pressure or force to the system Place the elements of the housing cover.

At least one zone of the housing is expediently for Inclusion of plug contact pins or a plug insert trained by means of press-fit technology by or with the Housing are connected.

According to a variant of the invention, the Housing a plug collar for receiving the plug provided with plug contact pins.

The housing can be made of a plastic or Me tall, or consist of a combination of materials.  

A housing for brake pressure control, has one piece with the housing cover connected system elements that protrude from the wall of the case cover and the scarf support bracket. The housing can by appropriate Material selection and position of the system elements as cooling serve body.

Due to the integral with the housing cover location elements, the housing can be used as an injection molded part be put.

Can be advantageous between the housing cover and the scarf tion carrier at least one cooling element, for example a Heat-dissipating aluminum plate or several small me tallplatten placed, or embedded in the system elements become. These plates work through their position and the Contact forces of the contact elements as local cooling elements for different areas of the circuit board (local Temperature reduction through thermal contacting of the Circuit carrier in the neighborhood to generate heat Components).

According to an advantageous embodiment of the invention, the electrical connection or the housing with an active Spring or damping system of a chassis control system Motor vehicle provided, in accordance with the previous one hend described brake pressure control device also by means of a motor a pneu controlled by the valves Matic or hydraulic fluid for changing the Fe der- or damping properties of the chassis in that and / or is conveyed from the spring or damping system, wherein the valves and / or the motor from a controller ge be controlled.

An embodiment of the invention is in the drawing shown and is described in more detail below.

Show it

Fig. 1a-c a controller housing with circuit carrier and plug insert with plug contacts in the unmounted state; a controller housing with circuit carrier and plug insert with plug contacts in the assembled state; a variant of the controller housing with integrated plug insert.

Fig. 2 shows a motor-pump unit with a erfindungsge MAESSEN electrical connection in an unassembled state,

Fig. 3 shows a motor-pump assembly according to FIG. 2 oriented in the mon state,

Fig. 4a-c training variants of the electrical Kontaktele elements,

Fig. 5a-b training variants of the controller housing with inte grated or built-in plug part.

In Fig. 1, a housing of an electronic controller is designated 1, which is part of the brake pressure control device 30 shown in FIGS. 2 and 3. The housing consists, for. B. from a plastic with a laterally angled connector collar 7th The housing can e.g. B. a good heat-conducting material, for example made of a metal such as aluminum. On the housing 1 vorzugwei se integrally connected to the housing cover investment elements 2 are formed, which face with their contact surfaces to the open side 33 of the housing 1 . In the one-piece with the housing 1 connector part 32 , a connector collar is formed or attached, in which a connector insert 4 is attached with plug contacts 34 , preferably can be pressed. The contact element 6 lying opposite the opening of the plug part has means for counter-holding the circuit carrier in the area of the plug contact pins 34 . The plug contact pins can be included with their scarf device penetrating tips in the contact element 6 . For this purpose, the contact element can have recesses.

As shown in Fig. 1a, the circuit carrier with the elec trical / electronic components 24 is placed on the contact elements 2 , 6 and kept in common with elements not shown before. The circuit carrier 3 has for this purpose component-free or circuit path-free contact surfaces 35 which are opposite the contact surfaces 31 of the contact elements 2 , 6 . In the area of contact pins for receiving the plug 34 abutting member 6 formed of the circuit carrier has means 36 which permit pressing in the plug contact pins 34 in the circuit carrier.

In Fig. 1c, a variant of the connector part 32 is shown, in which the plug insert 27 is fixed, preferably in one piece, connected to the housing. The individual plug contact pins 28 are pressed into the housing in this embodiment and contact the circuit carrier 3 .

FIGS. 5a-b show two further design variants shows the housing 1. The housing 25 shown in Fig. 5a has an angled plug 41 which is integrally connected to the housing 25 or can be formed as a plug insert 4 from a plastic material. Fig. 5b shows a arranged on the housing cover of the housing 26 connector 40, wherein the plug contact pins pressed lid 28 in a zone 42 of the casing, injected or pressed. The zone 42 or the area can also be designed to receive a plug insert 4 , the plug insert preferably also comprising the collar of the plug. The housing 25 , 26 and the connector 40 , 41 can be made of different materials, for. B. the housing of a plastic and the plug of a metal, or up to the plug pins 28 , are made entirely of a plastic.

Figs. 2 and 3 show the brake pressure controller 30, which is designed as a known in its essential ingredients motor-pump unit. The brake pressure regulator has an electric motor 11 for driving the in the valve block 10 to ordered, not shown pump, electromagnetically actuated valves (solenoid valves), which are arranged in the valve block, and valve domes 37 , which contain the valve lifter and an armature. The coils 9 are pushed onto the valve domes 37 . The electric motor 11 is guided through a terminal adapter 12 which tion by a Boh 13 in the valve block to the coil side is connected to the circuit carrier. 3 The coils and the adapter 12 have contact elements 14 , 17 which, when the housing 1 or 25 or 26 is installed, make electrical contact with the circuit carrier 3 which is in contact with the contact elements 2 , 6 on its side facing away from the contact surfaces 35 . The electrical connection of the coils 9 and the elec tromotor with the electrically conductive flat contact zones ( FIG. 3) 22 of the circuit carrier 3 takes place during the assembly or fastening of the housing 1 , 25 , 26 to the valve block 10 via the releasable connecting elements 8 , 23 . The releasable connecting elements 8 , 23 are shown only schematically as screws. The Kontaktele elements 14 , 17 come under pressure or force applied to the flat contacts 22 or contact zones of the circuit carrier 3 solvable to the system. The contact elements 14 , 17 are preferably be elastic or resilient and exert a pressure or force on the scarf device carrier in the axial direction.

In Fig. 4, several training variants of elastic contact elements 14 , 17 are shown, by means of which an electrical connection according to the invention of the coils 9 and the electric motor with the contacts 22 of the circuit carrier 3 automatically during the assembly of the housing 1 with the valve block 10 sets.

In the following, the design variants of the contact elements are described in more detail, the essential configuration of the electrical connection between the coils 9 or the electric motor and the contacts of the circuit carrier being seen in the fact that the contact elements 14 releasably rest on the contacts 22 of the circuit carrier 3 and thus without tolerance problems with the circuit carrier 3 are electrically connected tend. This is because the contact elements 14 can be positioned at any size contact zones or contact areas 22 on the circuit carrier 3 during assembly in a large tolerance range to the circuit carrier 3 .

The contacting of the valve coils 9 and / or the electric motor and / or other electrical and electronic elements rule by axial bias of the elec trical contact elements 14 against the circuit carrier 3 , the electrical or electronic elements (valve coil 9 ), by the pressure on the contact elements 14 can also be held in their position on the valve block 11 . The contact elements 14 press on the one hand the circuit carrier 3 to the contact elements 2 , 6 , which heat-dissipating elements, such as metal plates (aluminum), aufwei sen. About arranged in the contact elements 2 , 6 metallic webs, which are surrounded by the plastic of the housing 1 with the exception of the metallic contact surfaces 31 , the heat z. B. to the housing or the environment. A single metallic element can also be placed between the circuit carrier 3 and the housing. Local heat transfer of electronic components on the circuit carrier by thermal contacting of the circuit carrier 3 via the contact surfaces 31 is possible by positioning the metallic elements.

On the other hand, the contact with the coil wire of the coils 9 is brought about by the formation of the contact elements 14 . This connection can advantageously also be designed as an insulation displacement connection. The contact element 14 is connected to the coil wire of the coil 9 via an insulation displacement connection formed thereon. After training, the yoke of the coil has 9 outlets for the coil wire.

Another embodiment shows a deep-drawn yoke ring 19 .

The coils 9 are pressed by the contact elements 14 also ge conditions the valve block 10 . So that a good thermal contact between the valve coil (yoke ring) and the valve block 10 is achieved. A separate metal disc 20 arranged under the coil, which causes the magnetic reflux, is also held in position by the contact force of the contact elements and bears against the valve block 10 in the event of a force.

The metallic yoke can also by other means or method, e.g. B. by caulking or gluing, on Valve block to be attached.  

Fig. 4a to c shows different variants of the contact elements 14 , which are formed as a curved ( Fig. 4a) or angled ( Fig. 4b) spring made of a spring plate, or have a housing 38 in which a rigid contact pin 39 guided axially movable is. The Relativbe movement in the longitudinal direction of the pin 39 takes place via an elastic element, preferably a spring, or via a medium.

The present invention was based on a Bremsdruckre gel device described as an example. It is after one advantageous embodiment of the invention even with a Akti ven spring or damping system for motor vehicles hen, in accordance with that described above Brake pressure control device also by means of an actuator tors, e.g. B. Motors, a pneuma controlled by the valves table or hydraulic fluid to change the spring or damping properties of the chassis in and / or is promoted from the spring or damping system, wherein the valves and / or the motor are controlled by a controller become. Since the modules according to the brake pressure rule device are assigned and designed, can on a detailed description can be dispensed with.

The subject of the present invention described to also includes all modifications covered by the invention, especially the elements of an electromechanical Brake (EMB) as well as steering control, even if they are here are not expressly described.

An electromechanical brake is an electric motor via the electrical connection described above contacted.

Claims (21)

1. Electrical connection of actuators ( 9 ) or sensors with contacts ( 22 ) of a circuit carrier ( 3 ) in a device for regulating or controlling states of a motor vehicle, characterized in that the contacts ( 22 ) as flat electrically conductive contact zones the circuit carrier ( 3 ) are formed and that the actuators ( 9 ) or sensors are releasably connected to the contact zones ( 22 ) of the circuit carrier ( 3 ) via pressure and / or force-loaded contact elements ( 14 ). 2. Electrical connection according to claim 1, characterized in that the contact elements ( 14 ) are formed from elastic. 3. Electrical connection according to claim 1 or 2, characterized in that the contact elements ( 14 , 39 ) by means of an elastic element or medium are arranged movably in their position to the contact zones ( 22 ). 4. Electrical connection according to one of claims 1 to 3, characterized in that the contact elements ( 14 ) are springs, preferably spring plates. 5. Electrical connection according to one of claims 1 to 4, characterized in that the contact elements ( 14 ) are arranged axially movable in a housing. 6. Electrical connection according to one of claims 1 to 5, characterized in that the actuators or sensors are designed as coils ( 9 ). 7. Electrical connection according to claim 6, characterized in that the coil wires of the coils ( 9 ) via ei ne insulation displacement connection with the contact elements ( 14 ) are connected. 8. Arrangement of the electrical connection according to one of the Claims 1 to 7 in a brake pressure control device, such as anti-lock control device (ABS), drive Slip control device (ASR), driving stability control (ESP), electrohydraulic or electromechanical Brake (EMS or EMB), distance control device (ACC) or the like or an active suspension or Damper system of a motor vehicle. 9. Brake pressure control device or active. Spring or damping system, such as anti-lock control device (ABS), traction control device (ASR), driving stability control (ESP), electrohydraulic brake (EHB), distance control device (ACC), with one or more electromagnetically actuated valves (solenoid valves), which are located in a valve block ( 10 ) are arranged with coils ( 9 ) which protrude beyond the valve block ( 10 ), the coils ( 9 ) on their parts of the valve block ( 11 ) projecting with contact elements ( 14 ) are provided with a circuit carrier ( 3 ) of an electronic Controller and a housing ( 1 ), which covers the projecting coil parts, the contact elements and the circuit carrier, characterized in that the housing ( 1 ) has contact elements ( 2 , 6 ) which support the circuit carrier ( 3 ), that the circuit carrier ( 3 ) has component-free or circuit-free contact surfaces ( 35 ) which are assigned to the contact surfaces ( 2 , 6 ) and that the contacts Elements ( 14 ) of the coils ( 9 ) pressurize or apply force to the contact element ( 2 , 6 ) of the housing ( 1 ). 10. Brake pressure control device or active spring or damping system according to claim 9, characterized in that at least one contact element ( 6 ) is designed to receive plug contact pins ( 28 , 34 ) which penetrate the circuit carrier. 11. Brake pressure control device or active spring or damping system according to claim 9, characterized in that at least one zone ( 42 ) of the housing is designed to receive plug contact pins or a plug insert, the plug contact pins being preferably introduced at right angles to the circuit carrier . 12. Brake pressure control device or active spring or Damping system according to one of claims 9 to 11, ge characterized by a connection according to one of the An claims 1 to 7 or an arrangement according to claim 8. 13. Brake pressure control device or active spring or damping system according to one of claims 9 to 12, characterized in that on the housing ( 1 ) a plug kerkragen ( 7 ) for receiving the plug insert ( 4 ) with plug contact pins ( 34 ) is provided or an area for receiving a plug collar with plug contact pins is formed. 14. Brake pressure control device or active spring or damping system according to one of claims 9 to 13, characterized in that the contact elements ( 14 ) are designed as pins ( 39 ) and are arranged in an axially movable manner in a housing ( 38 ). 15. Brake pressure control device or active spring or damping system according to one of claims 8 to 14, characterized in that the contact elements ( 14 ) are designed as elastic elements, preferably springs. 16. Brake pressure control device or active spring or damping system according to one of claims 8 to 15, characterized in that the contact elements ( 14 ) are designed as spring plates. 17. Housing for a brake pressure control device or an active spring or damping system, characterized by projecting from the housing inner wall contact elements ( 2 , 6 ) with contact surfaces for supporting a circuit carrier ( 3 ). 18. Housing according to claim 17, characterized by a Zo ne ( 42 ) for receiving plug contact pins ( 28 ). 19. Housing according to claim 17 or 18, characterized by a zone ( 42 ) for receiving a plug insert ( 4 ) with or without a plug collar. 20. Electromechanical brake with an actuator and / or Sensor and a circuit board of an electronic Controller, characterized by an electrical connection manure according to one of claims 1 to 7. 21. Active spring or damping system with one actuator and / or sensor and a circuit carrier of an elec tronic controller, characterized by an electri  cal connection according to one of claims 1 to 7.