CN203905668U - Automobile key-free door lock system with connection wire shared by switch circuit and resonance circuit - Google Patents
Automobile key-free door lock system with connection wire shared by switch circuit and resonance circuit Download PDFInfo
- Publication number
- CN203905668U CN203905668U CN201420244537.8U CN201420244537U CN203905668U CN 203905668 U CN203905668 U CN 203905668U CN 201420244537 U CN201420244537 U CN 201420244537U CN 203905668 U CN203905668 U CN 203905668U
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- wire harness
- circuit
- switch
- resonance circuit
- resistance
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- 230000010354 integration Effects 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims description 31
- 238000004804 winding Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000004891 communication Methods 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
An automobile key-free door lock system with a connection wire shared by a switch circuit and a resonance circuit comprises a central processor (1) and a door handle antenna and switch integration module (2). The central processor (1) is connected with the door handle antenna and switch integration module (2) through a first wire harness (3) and a second wire harness (4). The system is characterized in that the door handle antenna and switch integration module (2) comprises the resonance circuit (5), a first resistor (6), a first electronic switch (7), a second resistor (8) and a button switch (9). According to the system, the button switch is utilized to control an electronic switch, the fact that the central processor and a communication module are directly connected with the wire harnesses is avoided, the control reliability is improved, and interference between the circuits is reduced.
Description
Technical field
The utility model relates to door lock for vehicle control system, specifically just relate to the vehicle key-free door-locking system that a kind of on-off circuit and resonance circuit share connecting line, central processor unit and the direct connecting line of door handle device in vehicle key-free door-locking system are reduced, reduce the weight of vehicle, saved cost of production.
Background technology
Along with economic fast development, automobile industry obtains fast development, the operation of automobile also more and more carrys out more hommization, especially the door lock control section of automobile, realize without key release blocking function, so-called refer to that without key release blocking function user just can release or locking vehicle in the situation that needn't operating key or remote controllers, this vehicle key-free release block sytem comprises that central processing unit and Intelligent key complete wireless authentication, then car door is with regard to release, user does not need that Intelligent key is carried out to any operation just can directly open car door, increase the convenience using.
Traditional is at least made up of several parts of central processing unit, low-frequency antenna and trigger sensor without key release block sytem, conventionally low-frequency antenna and trigger sensor combine and arrange in door handle or the integration module of near formation door handle trigger sensor and low-frequency antenna, are connected with central processing unit by many wire harness.Realize being communicated with between central processing unit and door handle trigger sensor and the integration module of low-frequency antenna by low frequency signal, finally realize release and locking under vehicle key-free state.But, in the structure of the type, between central processing unit and door handle trigger sensor and the integration module of low-frequency antenna, be to be all connected by many connecting lines, increase cost of production, some technical scheme has reduced the quantity of connecting line, for example Chinese patent 201180067673.3 discloses a kind of communication module for vehicle release/locking, it comprises for resonant circuit, be adjusted to regulating frequency, also comprise the transmission winding of connecting with tuning capacitor, described resonant circuit can send low frequency request signal to identifier with described regulating frequency; Also comprise manual flip flop equipment, this flip flop equipment is used to trigger the transmission of described request signal, it is characterized in that: described flip flop equipment is press button, its at least with resistor in series, formed eelctric dipole, and described eelctric dipole is connected with all or part of of resonant circuit.This patented technology has realized telecommunications module and is incorporated to manual control press button and reduces the object of connecting line quantity.But this patented technology also exists to utilize directly and is composed in series eelctric dipole with press button and resistance.But press button has intrinsic defect, in the time of trigger button switch, there is mechanical shaking, may cause central processing unit erroneous judgement, reduce the reliability using.
Utility model content
The purpose of this utility model is too much for existing vehicle key-free release/block sytem rat tail, even if or rat tail is few, but the technological deficiency that reliability is not strong, provide a kind of on-off circuit and resonance circuit to share the vehicle key-free door-locking system of connecting line, utilize the control of press button to electronic switch, not only realize the object that reduces central processing unit and communication module tieline bundle, also increased the reliability of controlling, reduced the interference between circuit.
In order to realize above-mentioned technical purpose, the technical scheme that the utility model is taked is the vehicle key-free door-locking system that a kind of on-off circuit of design and resonance circuit share connecting line, it comprises central processing unit, door handle antenna and switch integration module, described central processing unit is connected with switch integration module with door handle antenna with the second wire harness by the first wire harness, it is characterized in that: described door handle antenna and switch integration module comprise resonance circuit the first resistance, the first electronic switch, the second resistance and press button;
Described resonance circuit comprises winding inductor and tuning capacitor, winding inductor and and tuning capacitor series connection;
Described the first resistance and the series connection of the first electronic switch;
Described the second resistance and press button series connection;
Connect with the first electronic switch in described first resistance one end, front end or rear end that the other end is received winding inductor with the second resistance time in parallel;
Connect with the first resistance in described first electronic switch one end, an end is received press button, also has one end and tuning capacitor to receive the second wire harness simultaneously.
Further, described the first wire harness and the second wire harness are received respectively resonance circuit two ends.
Further, described central processing unit comprises that single-chip microcomputer, low-frequency antenna drive chip, switching signal processing circuit and pull-up resistor, described single-chip microcomputer drives chip to be connected by spi bus and low-frequency antenna, low-frequency antenna drives chip to receive door handle antenna and switch integration module by the first wire harness and the second wire harness, switching signal processing circuit one end is received First Line bundle, the other end is received single-chip microcomputer, and described pull-up resistor accesses the first wire harness;
Described the second wire harness ground connection.
Further, described central processing unit also comprises electronic switch, and electronic switch one end is received the second wire harness, and an end is received single-chip microcomputer, also has one end ground connection.
Beneficial effect
The on-off circuit that the utility model is designed and resonance circuit share the vehicle key-free door-locking system of connecting line, utilize the control of electronic switch to press button, not only realize the object that reduces central processing unit and communication module tieline bundle, also increase the reliability of controlling, reduced the interference between circuit.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model the first embodiment.
Accompanying drawing 2 is structural representations of the utility model the second embodiment.
Accompanying drawing 3 is structural representations of the utility model the 3rd embodiment.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described further.
Embodiment 1
As shown in Figure 1, a kind of on-off circuit and resonance circuit share the vehicle key-free door-locking system of connecting line, he comprises central processing unit 1, door handle antenna and switch integration module 2, described central processing unit 1 is connected with switch integration module 2 with door handle antenna with the second wire harness 4 by the first wire harness 3, wherein, described door handle antenna and switch integration module 2 comprise resonance circuit 5, the first resistance 6, the first electronic switch 7, the second resistance 8 and press button 9;
Described resonance circuit 5 comprises winding inductor 51 and tuning capacitor 52, winding inductor and 51 and tuning capacitor 52 connect;
Described the first resistance 6 and the first electronic switch 7 are connected;
Described the second resistance 8 and press button 9 are connected;
Connect with the first electronic switch 7 in described first resistance 6 one end, the other end and the second resistance 8 are received the front end of winding inductor 51 time in parallel;
Connect with the first resistance 6 in described first electronic switch 7 one end, an end is received press button 9, also has one end and tuning capacitor 52 to receive the second wire harness 4 simultaneously.
Described the first wire harness 3 and the second wire harness 4 are received respectively resonance circuit 5 two ends.
Described central processing unit 1 comprises that single-chip microcomputer 11, low-frequency antenna drive chip 12, switching signal processing circuit 13 and pull-up resistor 14, described single-chip microcomputer 11 drives chip 12 to be connected by spi bus 15 and low-frequency antenna, low-frequency antenna drives chip 12 to receive door handle antenna and switch integration module 2 by the first wire harness 3 and the second wire harness 4, switching signal processing circuit 13 1 ends are received First Line bundle 3, the other end is received single-chip microcomputer 11, and described pull-up resistor 14 accesses the first wire harness 3;
Described the second wire harness 4 ground connection.
Embodiment 2
As shown in Figure 2, connect with the first electronic switch 7 in described first resistance 6 one end, the rear end that the other end can also be received winding inductor 51 with the second resistance 8 time in parallel;
Embodiment 3
As shown in Figure 3, described central processing unit 1 also comprises electronic switch 16, and electronic switch 16 1 ends are received the second wire harness 4, one ends and received single-chip microcomputer 11, also has one end ground connection.
Work of the present utility model is originally: the radiation low frequency signal stage, the data that single-chip microcomputer 11 working procedures obtain encrypting are transferred to low-frequency antenna by spi bus 15 and drive chip 12, generate the low-frequency data of encrypting, transmit low frequency by the first wire harness 3 and the second wire harness 4 to door handle antenna and switch integration module 2.The low frequency signal that resonance circuit 5 in door handle antenna and switch integration module 2 transmits central processing unit 1 is to external radiation.
Switching signal acquisition phase, when microswitch is not pressed, switching signal processing circuit 13 is transferred to single-chip microcomputer 11 high level signals; In the time that press button 9 is pressed, the first electronic switch 7 is triode, receives on the ground, and the output signal of switching signal processing circuit 13 is received on the ground by the first resistance 6, the first electronic switch 7.So switching signal processing circuit 13 is transferred to single-chip microcomputer 11 low level signals.
The on-off circuit that the utility model is designed and resonance circuit share the vehicle key-free door-locking system of connecting line, utilize the control of electronic switch to press button, not only realize the object that reduces central processing unit and communication module tieline bundle, also increase the reliability of controlling, reduced the interference between circuit.
Claims (4)
1. an on-off circuit and resonance circuit share the vehicle key-free door-locking system of connecting line, it comprises central processing unit (1), door handle antenna and switch integration module (2), described central processing unit (1) is connected with switch integration module (2) with door handle antenna with the second wire harness (4) by the first wire harness (3), it is characterized in that: described door handle antenna and switch integration module (2) comprise resonance circuit (5), the first resistance (6), the first electronic switch (7), the second resistance (8) and press button (9),
Described resonance circuit (5) comprises winding inductor (51) and tuning capacitor (52), winding inductor (51) and tuning capacitor (52) series connection;
Described the first resistance (6) and the first electronic switch (7) series connection;
Described the second resistance (8) and press button (9) series connection;
Connect with electronic switch (7) in described the first resistance (6) one end, front end or rear end that the other end and the second resistance (8) are received winding inductor (51) simultaneously;
Connect with the first resistance (6) in described the first electronic switch (7) one end, an end is received press button (9), also has one end and tuning capacitor (52) to receive the second wire harness (4) simultaneously.
2. a kind of on-off circuit as claimed in claim 1 and resonance circuit share the vehicle key-free door-locking system of connecting line, it is characterized in that: described the first wire harness (3) and the second wire harness (4) are received respectively resonance circuit (5) two ends.
3. a kind of on-off circuit as claimed in claim 1 and resonance circuit share the vehicle key-free door-locking system of connecting line, it is characterized in that: described central processing unit (1) comprises single-chip microcomputer (11), low-frequency antenna drives chip (12), switching signal processing circuit (13) and pull-up resistor (14), described single-chip microcomputer (11) drives chip (12) to be connected by spi bus (15) and low-frequency antenna, low-frequency antenna drives chip (12) to receive door handle antenna and switch integration module (2) by the first wire harness (3) and the second wire harness (4), switching signal processing circuit (13) one ends are received First Line bundle (3), the other end is received single-chip microcomputer (11), described pull-up resistor (14) access the first wire harness (3),
Described the second wire harness (4) ground connection.
4. a kind of on-off circuit as described in claim 1 or 3 and resonance circuit share the vehicle key-free door-locking system of connecting line, it is characterized in that: described central processing unit (1) also comprises electronic switch (16), electronic switch (16) one ends are received the second wire harness (4), one end is received single-chip microcomputer (11), also has one end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244537.8U CN203905668U (en) | 2014-05-13 | 2014-05-13 | Automobile key-free door lock system with connection wire shared by switch circuit and resonance circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420244537.8U CN203905668U (en) | 2014-05-13 | 2014-05-13 | Automobile key-free door lock system with connection wire shared by switch circuit and resonance circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203905668U true CN203905668U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420244537.8U Withdrawn - After Issue CN203905668U (en) | 2014-05-13 | 2014-05-13 | Automobile key-free door lock system with connection wire shared by switch circuit and resonance circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203905668U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953234A (en) * | 2014-05-13 | 2014-07-30 | 华域汽车系统股份有限公司 | Vehicle keyless door lock system with connecting line shared by switching circuit and resonance circuit |
-
2014
- 2014-05-13 CN CN201420244537.8U patent/CN203905668U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103953234A (en) * | 2014-05-13 | 2014-07-30 | 华域汽车系统股份有限公司 | Vehicle keyless door lock system with connecting line shared by switching circuit and resonance circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141029 Effective date of abandoning: 20160727 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |