CN106062912B - Multi-channel switching device - Google Patents
Multi-channel switching device Download PDFInfo
- Publication number
- CN106062912B CN106062912B CN201480076883.2A CN201480076883A CN106062912B CN 106062912 B CN106062912 B CN 106062912B CN 201480076883 A CN201480076883 A CN 201480076883A CN 106062912 B CN106062912 B CN 106062912B
- Authority
- CN
- China
- Prior art keywords
- switching device
- contact element
- channel switching
- contact
- automobile application
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/78—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites
- H01H13/785—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the material of the contacts, e.g. conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/0271—Bases, casings, or covers structurally combining a switch and an electronic component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/026—Car
Abstract
The present invention relates to a kind of multi-channel switching device for automobile application, particularly lock system, the multi-channel switching device has at least two switching devices, wherein, switching device includes being used between two conductive traces (3,3a, 3b) contact surface (56a, 56b) for establishing electrical connection respectively, wherein, first switching device has the first contact element being made of the first material, and the second switching device has the second contact element being made of the second material, wherein, the first material and the second material have different resistance values.
Description
Technical field
The present invention relates to a kind of multi-channel switching device for automobile application, particularly lock system.
Background technology
The switching device for being useful for vehicle lock is had been known in practice, each door lock for vehicle can be identified by switching device
Current state and can by controller from these states to vehicle transmit.Such device is for example by DE 20 2007
Well known to 20 2,009 011 366 U1 of 005 076 U1 or DE.
Fig. 1 schematically illustrates the assembly carrier of the lock system for motor vehicle lock of the prior art, the prior art
Such as well known to 20 2,007 005 076 U1 of DE.Such assembly carrier 1 is for example by drawing with three conductive traces 3
Wire frame 2, the resistance 4 being arranged between two conductive traces and the contact point for the conductive traces 3 in lead frame 2
Two switches 5a, 5b that electrical connection is established between 3a, 3b are formed.Lead frame 2 is substantially injection molding encapsulating, wherein, expose use
In each attachment areas 6 of resistance and switch 5a, 5b.Connectors 8 are formd in the end section 7 of lead frame 2, to
Assembly carrier 1 is docked with controller to transmit the vehicle lock status that by one or each switch 5a, 5b is known.
It will become apparent from by Fig. 1, resistance 4 and one of switch 5b coupled in series, and another switch 5a and end
Section 7 is directly connected to.This arrangement causes to carry out voltage code to the signal for switching 5b by series resistance 4.Therefore, in end
It can clearly determine which of two switches 5a, 5b are operated on region 7.For example, if switch 5b is operated, then with
Switch 5a, which is operated, to be compared, and the signal with lower voltage value is applied with end section 7.
The content of the invention
The task of the present invention is, to further being lost no time for the switching device of automobile application, particularly lock system,
So as to provide of low cost and miniaturization flexible program.
The task is solved by a kind of multi-channel switching device for automobile application, and the multi-channel switching device has
At least two switching devices, wherein, the switching device includes being used to establish what is be electrically connected between two conductive traces respectively
Contact surface, it is characterised in that the first switching device has the first contact element being made of the first material, and the second switching member
Part has the second contact element being made of the second material, wherein, first material and second material have different electricity
Resistance value.
The present invention has favourable embodiment.
The present invention is filled from the variable connector for being used to inquire the position of two components for automobile application, particularly lock system
Put and set out, which has at least two switching devices, wherein, switching device includes being used in two conductors respectively
The contact surface of electrical connection is established between trace.It is a feature of the present invention that the first switching device has what is be made of the first material
First contact element, and the second switching device has the second contact element that is made of the second material, wherein, the first material and
Second material has different resistance values.
In switching device according to the present invention, due to the different materials with different resistance values of contact surface, directly exist
The voltage code to signal is performed in switching device.Therefore, during contact closure between two conductive traces, each switching member
Part results in voltage drop.The voltage drop is representational for the material of the contact surface of each switching device.Therefore, in basis
In the switching device of the present invention, closing for completely specified switching device can be unambiguously concluded with reference to the voltage drop that can be measured
Close.
Therefore, circuit structure can be substantially reduced.It is different from the prior art of Fig. 1, such as can cancel for switch
Carry out the additional resistance of voltage code.In addition it is also possible to the quantity of the conductive traces in used lead frame is reduced,
It is possible thereby to realize simpler and less expensive cost construction.
In the special embodiment of the present invention, there is the other switching member with other contact surface respectively
Part, these other contact surfaces by having the other material of different resistance values to form respectively.Herewith it is achieved that opening
Multiple switching states of different switching devices can be monitored at the same time by closing in device.Therefore, unlike the prior art can be with
The quantity of the arbitrary extension switching device to be monitored is realized, without changing tandem circuit, especially lead frame on a large scale.
Each switching device with by definite material and into but the contact element of integration that is formed of pre-qualified resistance encoded.Cause
This, in switching device, the unique resistance value that can combine switching device deterministically identifies that the operation of the switching device.
In another embodiment of the present invention, switching device is key switch cap, it has the contact element with contact surface
Part, contact element are embedded in the operating element being made of plastics.Such key switch cap DE 10 for example disclosed in not in advance
Well known to 2013 203 467.9.Such key switch cap is substantially made of the flexible material of integral type.The flexibility
Material can be rubber or flexible plastic herein.
Key switch cap includes the pressing region at center, its direction tool towards the substrate for being disposed with key switch cap on it
There is protrusion, wherein, the contact point that be disposed with raised region to be arranged on substrate with least two forms electrical contact
Contact element with contact surface.According to the present invention, contact element is made of the material with definite resistance, so that in substrate
On two contact points between there is voltage drop representational for the key switch cap when establishing connection.
In addition, key switch cap includes pressing region, the deformed area being connected with the pressing region at the center at encirclement center
Domain and the base profile portion being connected with deformed region, key switch cap is with the base profile portion and substrate connection.Here, pass through
By downwards by power be applied on the pressing region at center, key switch can switch between resting position and switching position.
In addition, housing, such as lead frame or the circuit board for one or more electric conductor traces are also understood to
Substrate, it has portion of leaving blank in the raised region in the pressing region at center.Under the action of the power pressed downwards, which can
It is introduced to pass through the portion of leaving blank implemented in the housing on the electric conductor trace surrounded by housing.
In addition, the point or region on electric conductor trace are understood to contact point.
As already described, conductive traces are in assembly carrier, particularly electronic building brick carrier according to suitable way
Lead frame on and/or.
Brief description of the drawings
The present invention is illustrated below in conjunction with the accompanying drawings.Wherein：
Fig. 1 shows exemplary switching device, it is as well known to the prior art；
Fig. 2 shows switching device exemplary according to the present invention；
Fig. 3 illustrates the switching device of the switching device according to the present invention under dissengaged positions with section；
Fig. 4 illustrates the switching device of the switching device according to the present invention under closure state with section.
Embodiment
Fig. 2 shows multi-channel switching device exemplary according to the present invention.Lead frame is shown in diagram on the top
Frame 2.The lead frame 2 has two conductive traces 3 of strap end portion section 7.In the conductive traces 3 of lead frame 2, for cutting
Element 5a, 5b are changed, first make contact 3a is arranged in a conductive traces 3, and the second contact point 3b is arranged in another and leads
On body trace 3.Between two contact points 3a, 3b, electrical contact is established by switching device 5a, 5b (diagram of lower section).
Assembly carrier 1 is shown in middle diagram, its feature essentially consists of, the lead frame of the diagram come from above
Frame 2 is injection molding encapsulating.Injection molding goes out connectors 8 in end section 7, assembly carrier 1 is docked with controller
On come the vehicle lock status that transmits by one or each switch 5a, 5b is learnt.In assembly carrier 1, leave blank out for switching
The attachment areas 6 of 5a, 5b.Switching device 5a, 5b are introduced into these attachment areas 6 (diagram of lower section).According to suitable way,
Switching device 5a, 5b are introduced into attachment areas 6 as follows, i.e. make to be surrounded by assembly carrier 1 and switching device 5a, 5b
Space medium be sealed shut so that moisture can not from exterior switching space 30 of the intrusion with contact surface (Fig. 3 and
4)。
Fig. 3 and Fig. 4 show in cross section cutting for the switching device according to the present invention under disconnection and closure state
Change element.Assembly carrier 1 has the portion of leaving blank of contact point 3a, 3b for conductive traces 3 in attachment areas 6.Around contact
Point 3a, 3b are implemented with groove 54, as sealing area.
Switching device 5a, 5b have pressing region 51, deformed region 52 and the sealing area 53 at center.Pressing at center
Contact element 55 is disposed with region 51.The contact element 55 has contact surface 56, and the contact surface is in closed state by two
A contact point 3a, 3b (Fig. 4) are electrically connected.Contact element 55 is made of the material with the resistance limited.Therefore, closed in switch
In the case of (Fig. 4), contact element 55 causes resistance between two contact points 3a, 3b, and voltage drop is produced on resistance, the electricity
Pressure drop can clearly be associated with specific switching device 5a, 5b in assembly carrier 1 (Fig. 2).In other words, in assembly carrier
In 1, each switching device 5a, 5b have following contact element 55, and (Fig. 4) is contacted the contact element at two in closed state
There is resistance unique for the switching device 5a, 5b between point 3a, 3b.
In fig. 2, such as a switching device 5a can cause to connect at two by the material used in contact element
100 ohm of resistance value is produced between contact 3a, 3b, and another switching device 5b can cause 10 ohm of resistance value.Press
According to suitable way, the contact element in switching device 5a, 5b can be replaced, so as to use tool according to applicable cases
There is the contact element of different resistance values.
The pressing region 51 at center is annularly surrounded by deformed region 52.Deformed region 52 is implemented as follows, i.e.
It is set to implement fastening process or folding process when power (Fig. 4) is applied on the pressing region 51 at center, so that contact element
Part 55 is pressed on two contact points 3a, 3b with contact surface 56.
Sealing area 53 is attached with deformed region 52.The sealing area 53 is scarfed in the groove 54 of assembly carrier 1, and
And sealing switching space 30 is invaded with liquidproof from outside.
Reference numerals list
1 assembly carrier
2 lead frames
3 conductive traces
3a first make contacts
The second contact points of 3b
3 conductive traces
30 switching spaces
4 resistance
5a switching devices
5b switching devices
The pressing region at 51 centers
52 deformed regions
53 sealing areas
54 grooves
55 contact elements
56 contact surfaces
6 leave blank portion
7 end regions
8 connectors
9 switching spaces
Claims (6)
1. a kind of multi-channel switching device for automobile application, the multi-channel switching device has at least two switching devices, institute
Stating switching device includes being used between two conductive traces (3,3a, 3b) contact surface (56a, 56b) for establishing electrical connection respectively,
It is characterized in that, the first switching device has the first contact element being made of the first material, and the second switching device has
The second contact element being made of the second material, first material and second material have different resistance values.
2. the multi-channel switching device according to claim 1 for automobile application, it is characterised in that existing respectively has separately
The other switching device of outer contact element, the other contact element by having the other material of different resistance values respectively
Material is formed, and the resistance value of the other material is different from the resistance value of first material and second material.
3. the multi-channel switching device according to claim 1 or 2 for automobile application, it is characterised in that switching device is
Key switch cap, wherein, the contact element of switching device is embedded in the operating element (51,52,53) being made of plastics.
4. the multi-channel switching device according to claim 1 or 2 for automobile application, it is characterised in that conductive traces (3)
Be in assembly carrier (1) and/or on lead frame (2).
5. the multi-channel switching device according to claim 1 or 2 for automobile application, it is characterised in that the multichannel is opened
Close the multi-channel switching device that device is lock system.
6. the multi-channel switching device according to claim 4 for automobile application, it is characterised in that the assembly carrier
(1) it is electronic building brick carrier.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2014/054433 WO2015131951A1 (en) | 2014-03-07 | 2014-03-07 | Multiple-switch assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106062912A CN106062912A (en) | 2016-10-26 |
| CN106062912B true CN106062912B (en) | 2018-04-17 |
Family
ID=50239626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480076883.2A Active CN106062912B (en) | 2014-03-07 | 2014-03-07 | Multi-channel switching device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106062912B (en) |
| WO (1) | WO2015131951A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10360422A1 (en) * | 2003-12-19 | 2005-07-21 | Brose Schließsysteme GmbH & Co.KG | motor vehicle |
| DE202007005076U1 (en) * | 2007-04-05 | 2007-08-02 | Kiekert Ag | Component carrier for locking systems |
| JP2009134473A (en) * | 2007-11-29 | 2009-06-18 | Sony Corp | Pressing detection sensor, input device and electronic equipment |
| CH699577A1 (en) * | 2008-09-30 | 2010-03-31 | Abatek Internat Ag | Integrated slide switch. |
| DE202009011366U1 (en) * | 2009-08-21 | 2010-03-11 | Kiekert Ag | Multiple switch arrangement for automotive applications |
-
2014
- 2014-03-07 WO PCT/EP2014/054433 patent/WO2015131951A1/en active Application Filing
- 2014-03-07 CN CN201480076883.2A patent/CN106062912B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106062912A (en) | 2016-10-26 |
| WO2015131951A1 (en) | 2015-09-11 |
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| GR01 | Patent grant |