CN204590935U - A kind of automobile automatic window-closing circuit - Google Patents
A kind of automobile automatic window-closing circuit Download PDFInfo
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- CN204590935U CN204590935U CN201520251927.2U CN201520251927U CN204590935U CN 204590935 U CN204590935 U CN 204590935U CN 201520251927 U CN201520251927 U CN 201520251927U CN 204590935 U CN204590935 U CN 204590935U
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- automobile
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Abstract
The utility model discloses a kind of automobile automatic window-closing circuit, comprise the vehicle window controller be connected on automobile bus, it is characterized in that: automobile bus is provided with bus gateway, this bus gateway is connected with microcontroller by bus conversion module, relay module is connected with at the output of microcontroller, microcontroller for obtaining key gear signal and the window locations signal of Current vehicle, and controls described vehicle window controller and relay module work according to the key gear signal of Current vehicle and window locations signal.Its remarkable result is: export control signal by the moment of remote-control key closed door by microcontroller at automobile, triggers vehicle in short-term charged, then rises window order by automobile bus output, realizes rising window; Do not need to transform the program of the vehicle window controller of former car and original vehicle electronic circuit, structure is simple, easy for installation; Meanwhile, rising window order is send when original vehicle window controller electriferous state, and versatility is good.
Description
Technical field
The utility model relates to technical field of automotive electronics, specifically, is a kind of automobile automatic window-closing circuit.
Background technology
Along with expanding economy, the increase of per capita income, increasing automobile enters average family, and in today that automobile popularity rate improves constantly, the larceny case for automobile also increases year by year, and automotive safety is more and more subject to people's attention.In car theft cases, common one is not closed because car owner leaves vehicle rear window in parking exactly, causes thief by vehicle window into the car, takes property in car away, is therefore necessary automatically to close vehicle window when automobile flameout pulls up key.
It is Car's door controlling device by transforming former car that existing automatic window-closing control system is mainly following two kinds: one, detects that when closing lock signal, by relay output drive signal, Direct driver Car window electric machine works, and realizes rising window; Two is by can bus, gathers door lock signal and after pressing pass locking key, sends can bus line command, directly realizes rising window function.
But the equal Shortcomings of above-mentioned two schemes: scheme one is owing to needing the car door tearing former car open, and reconfiguration line is comparatively complicated, so public praise bad; Although scheme two is easy for installation, structure is simple, receives welcome to a certain degree, but most vehicle is extracting car key and after opening car door, automobile power system stops powering for each position, the can bus of vehicle window controller just no longer works, and therefore can not realize rising window function.
Utility model content
For the deficiencies in the prior art, the utility model provides a kind of automobile automatic window-closing circuit, by detecting key gear signal and window locations signal, utilizes relay module to trigger vehicle power supply conducting, again by microprocessor control vehicle window controller, until vehicle window is closed completely.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of automobile automatic window-closing circuit, comprise the vehicle window controller be connected on automobile bus, its key is: described automobile bus is provided with bus gateway, this bus gateway is connected with microcontroller by bus conversion module, relay module is connected with at the output of described microcontroller, described microcontroller for obtaining remote-control key signal and the window locations signal of Current vehicle, and controls described vehicle window controller and relay module work according to the remote-control key signal of Current vehicle and window locations signal;
Described relay module comprises triode Q8, the control signal of described microcontroller is received after the base stage series resistor R54 of this triode Q8, be connected with vehicle power after the coil windings of the collector series relay of triode Q8, the grounded emitter of triode Q8, relay switch is serially connected in the ON output of vehicle power and ignition switch module, when relay switch closes, automobile is automatically energized and triggers vehicle electronic device work.
In implementation process, microcontroller can obtain key gear signal and the window locations signal of vehicle by automobile bus, when pressing key car locking key, send signal control relay switch conduction, trigger vehicle live line work, now microcontroller is sent by automobile bus and closes window order to vehicle window controller, the vehicle window of not closing completely is closed, after guaranteeing to close completely, microcontroller sends control signal again and relay switch is disconnected, automobile power source is stopped power supply, as the case may be, the power circuit that relay switch in native system controls can be a road, also can be two-way, the output of signal acquisition and controlling signal is realized by automobile bus, and utilize relay to control to the break-make realizing power supply, do not need to transform the vehicle window controller of former car, structure is simple, easy for installation.
As different embodiments, described automobile bus is CAN, LIN bus or K bus.
As preferably, described relay switch is normal open switch, is connected with resistance R55, the connecting line between resistance R54 and microcontroller also connects vehicle power through pull-up resistor R52 between the base stage and emitter stage of described triode Q8.
Again further, diode D3 is had at the two ends reverse parallel connection of relay coil winding.
In order to ensure microcontroller reliable power supply, described microcontroller is powered by power module, the input of voltage stabilizing chip LM7805 is connect after the power input of this power module is connected in series protective tube F1 and diode D1 successively, the output 5V D.C. regulated power supply of voltage stabilizing chip LM7805, between the input and earth terminal of voltage stabilizing chip LM7805, be connected with filter capacitor C1, between the output and ground of voltage stabilizing chip LM7805, be also connected with filter capacitor C2.
Remarkable result of the present utility model is: export control signal by the moment of remote-control key closed door by microcontroller at automobile, triggers vehicle in short-term charged, then rises window order by automobile bus output, realizes rising window; Do not need to transform the program of the vehicle window controller of former car and original vehicle electronic circuit, structure is simple, easy for installation; Meanwhile, rising window order is send when original vehicle window controller electriferous state, and versatility is good.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of CAN modular converter;
Fig. 3 is the circuit theory diagrams of microcontroller in Fig. 1;
Fig. 4 is the circuit theory diagrams of microcontroller power module;
Fig. 5 is the circuit theory diagrams of relay module;
Fig. 6 is control flow chart of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model and operating principle are described in further detail.
As shown in Figure 1, a kind of automobile automatic window-closing circuit, comprise the vehicle window controller be connected on automobile bus, described automobile bus is provided with bus gateway, this bus gateway is connected with microcontroller by bus conversion module, relay module is connected with at the output of described microcontroller, described microcontroller for obtaining remote-control key signal and the window locations signal of Current vehicle, and controls described vehicle window controller and relay module work according to the remote-control key signal of Current vehicle and window locations signal;
In implementation process, microcontroller directly can obtain the pass gate signal of remote-control key by automobile bus, also can access in remote-control key signal receiver by wire, obtains close gate signal from remote-control key signal receiver.
For the ease of controlling, described relay module comprises triode Q8, the control signal of described microcontroller is received after the base stage series resistor R54 of this triode Q8, be connected with vehicle power after the coil windings of the collector series relay of triode Q8, the grounded emitter of triode Q8, relay switch is serially connected in the ON output of vehicle power and ignition switch module, and when relay switch closes, automobile is automatically energized and triggers vehicle electronic device work.
In the present embodiment, selected automobile bus is CAN, its bus conversion module adopts chip model to be PCA82C250, physical circuit as shown in Figure 2, microcontroller adopts model to be the single-chip microcomputer of MC9S08DZ32, specifically as shown in Figure 3, in order to ensure this microcontroller normal power supply, this microcontroller is also configured with power module, as shown in Figure 4, the input of voltage stabilizing chip LM7805 is connect after the power input of this power module is connected in series protective tube F1 and diode D1 successively, the output 5V D.C. regulated power supply of voltage stabilizing chip LM7805, filter capacitor C1 is connected with between the input and earth terminal of voltage stabilizing chip LM7805, also filter capacitor C2 is connected with between the output and ground of voltage stabilizing chip LM7805.
As shown in Figure 5, as a kind of implementation, relay switch in this example is normal open switch, resistance R55 is connected with between the base stage and emitter stage of described triode Q8, connecting line between resistance R54 and microcontroller also connects vehicle power through pull-up resistor R52, has diode D3 at the two ends reverse parallel connection of relay coil winding.
As shown in Figure 6, above-mentioned automobile automatic window-closing circuit can control in accordance with the following methods, and concrete steps are:
Step 1: microcontroller obtains the remote-control key signal of vehicle, and when pressing remote-control key car locking key, microcontroller sends control signal, control relay switch conduction, makes automobile automatically be energized and triggers vehicle electronic device work;
Step 2: microcontroller obtains window locations signal, when vehicle window is in full closing state, enters step 3; Otherwise enter step 4;
Step 3: microcontroller sends control signal, control relay switch disconnects, and makes automobile auto-breaking, stops powering to vehicle electronic device work;
Step 4: microcontroller is sent by automobile bus and closes window signal to vehicle window controller, closes, and return step 2 cycle detection to vehicle window.
By above-mentioned design, microcontroller usually exports a low level signal and impels triode Q8 to disconnect, electric current is not had to flow through in relay coil, its normal open switch is in off-state, when driver is when pressing remote-control key car locking key, microcontroller can export a high level signal, timely trigger relay switch conduction, make vehicle temporarily charged, now inspection vehicle window position, if vehicle window is not closed completely, microcontroller can be sent by bus and close window order to pass window controller, make it perform and close window action, until vehicle window is closed completely, microcontroller just control relay switch disconnects, allow the complete power down of automobile, effectively complete vehicle window automatic closing function, improve the intelligent and safety of vehicle.
Claims (5)
1. an automobile automatic window-closing circuit, comprise the vehicle window controller be connected on automobile bus, it is characterized in that: described automobile bus is provided with bus gateway, this bus gateway is connected with microcontroller by bus conversion module, relay module is connected with at the output of described microcontroller, described microcontroller for obtaining remote-control key signal and the window locations signal of Current vehicle, and controls described vehicle window controller and relay module work according to the remote-control key signal of Current vehicle and window locations signal;
Described relay module comprises triode Q8, the control signal of described microcontroller is received after the base stage series resistor R54 of this triode Q8, be connected with vehicle power after the coil windings of the collector series relay of triode Q8, the grounded emitter of triode Q8, relay switch is serially connected in the ON output of vehicle power and ignition switch module, when relay switch closes, automobile is automatically energized and triggers vehicle electronic device work.
2. a kind of automobile automatic window-closing circuit according to claim 1, is characterized in that: described automobile bus is CAN, LIN bus or K bus.
3. a kind of automobile automatic window-closing circuit according to claim 1 and 2, it is characterized in that: described relay switch is normal open switch, between the base stage and emitter stage of described triode Q8, be connected with resistance R55, the connecting line between resistance R54 and microcontroller also connects vehicle power through pull-up resistor R52.
4. a kind of automobile automatic window-closing circuit according to claim 3, is characterized in that: have diode D3 at the two ends reverse parallel connection of relay coil winding.
5. a kind of automobile automatic window-closing circuit according to claim 1, it is characterized in that: described microcontroller is powered by power module, the input of voltage stabilizing chip LM7805 is connect after the power input of this power module is connected in series protective tube F1 and diode D1 successively, the output 5V D.C. regulated power supply of voltage stabilizing chip LM7805, between the input and earth terminal of voltage stabilizing chip LM7805, be connected with filter capacitor C1, between the output and ground of voltage stabilizing chip LM7805, be also connected with filter capacitor C2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251927.2U CN204590935U (en) | 2015-04-23 | 2015-04-23 | A kind of automobile automatic window-closing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520251927.2U CN204590935U (en) | 2015-04-23 | 2015-04-23 | A kind of automobile automatic window-closing circuit |
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| Publication Number | Publication Date |
|---|---|
| CN204590935U true CN204590935U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520251927.2U Expired - Fee Related CN204590935U (en) | 2015-04-23 | 2015-04-23 | A kind of automobile automatic window-closing circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790802A (en) * | 2015-04-23 | 2015-07-22 | 重庆大学 | Automatic automobile window closing system and control method thereof |
| CN109696869A (en) * | 2018-05-25 | 2019-04-30 | 广西科技大学 | Automotive Central Door Lock Control Device and control method based on NFC technology |
| CN111717146A (en) * | 2020-06-04 | 2020-09-29 | 奇瑞商用车（安徽）有限公司 | Power supply control circuit and method for electric automobile without low-voltage storage battery |
| CN114753739A (en) * | 2022-04-15 | 2022-07-15 | 浙江吉利控股集团有限公司 | Vehicle window control method, terminal and computer-readable storage medium |
-
2015
- 2015-04-23 CN CN201520251927.2U patent/CN204590935U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104790802A (en) * | 2015-04-23 | 2015-07-22 | 重庆大学 | Automatic automobile window closing system and control method thereof |
| CN109696869A (en) * | 2018-05-25 | 2019-04-30 | 广西科技大学 | Automotive Central Door Lock Control Device and control method based on NFC technology |
| CN109696869B (en) * | 2018-05-25 | 2023-06-30 | 广西科技大学 | Automobile central door lock control device and control method based on NFC (near field communication) technology |
| CN111717146A (en) * | 2020-06-04 | 2020-09-29 | 奇瑞商用车（安徽）有限公司 | Power supply control circuit and method for electric automobile without low-voltage storage battery |
| CN114753739A (en) * | 2022-04-15 | 2022-07-15 | 浙江吉利控股集团有限公司 | Vehicle window control method, terminal and computer-readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING COLLEGE OF ELECTRONICS ENGINEERING Free format text: FORMER OWNER: ZHU ZHOUXIAN Effective date: 20150803 |
|
| C14 | Grant of patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150803 Address after: 401331 Shapingba University District, Chongqing City Road, No. 76 Patentee after: Chongqing College of Electronic Engineering Address before: 400044 Shapingba street, Shapingba District, Chongqing, No. 174 Patentee before: Zhu Zhouxian |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20200423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |