CN104723998A - ACC signal acquisition device and method of vehicle-mounted equipment - Google Patents
ACC signal acquisition device and method of vehicle-mounted equipment Download PDFInfo
- Publication number
- CN104723998A CN104723998A CN201510088309.5A CN201510088309A CN104723998A CN 104723998 A CN104723998 A CN 104723998A CN 201510088309 A CN201510088309 A CN 201510088309A CN 104723998 A CN104723998 A CN 104723998A
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- Prior art keywords
- acc
- signal
- acc signal
- signals
- additional equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention belongs to the field of automobiles and relates to an ACC signal acquisition device of vehicle-mounted equipment. The ACC signal acquisition device comprises an ACC signal sending end and an ACC signal receiving end paired with the ACC signal sending end. The ACC signal sending end is connected with an original ACC of a vehicle through a signal line to obtain original ACC signals of the vehicle, process the ACC signals and send out the ACC signals in a RF signal mode. The ACC signal receiving end is connected with the mounted equipment needing the ACC signals, receives the RF signals, converts the RF signals into level signals, and then transmits the level signals to the mounted equipment. The invention further discloses an ACC signal acquisition method of the vehicle-mounted equipment. The ACC signal acquisition method and device of the vehicle-mounted equipment adopt the RF signals to transmit the ACC state signals, through the scheme, signal synchronization is effective and reliable; by the adoption of the RF wireless transmission signals, long wires do not need to be arranged, so the installation is simple, meanwhile, the wire harness cost is lowered, and the problem that the mounted terminal equipment can not obtain the ACC signals is effectively solved.
Description
Technical field
The invention belongs to automotive field, relate to a kind of ACC signal acquisition and the method for transmission and the improvement opportunity of device.
Background technology
In some cases, after install additional motor vehicle module, equipment or repacking part due to installation site or vehicle body signal wire (SW) definition reason, (general automobile ignition switch has START, ON, ACC, LOCK tetra-gears cannot to get ACC signal, ACC refers to before automobile does not also start, as long as key to be pushed this position of ACC shelves, the equipment that some electricity consumptions are little, such as: radio receiver, Cigarette lighter, air-conditioning etc. have just been energized, when automotive ignition time, need a heavy current, at this moment stop power supply in ACC position, terminate Deng automotive ignition, start again power supply.), common terms of settlement be nearby find can be synchronous with ACC on car signal wire (SW), but not the ACC signal wire (SW) of reality, this situation is easy to occur that signal is asynchronous; Another kind of way is receiving known former car ACC signal wire (SW), and this situation when signal is distant therewith for installation site, even needs to obtain in fuse box, needs longer wiring and set-up time, increase installation difficulty.Given this, be necessary that design is a kind of with the method and apparatus of simple and effective solution without ACC signal.
Summary of the invention
For overcoming the shortcomings and deficiencies of above-mentioned prior art, the invention provides the ACC signal acquisition device of a kind of signal acquisition vehicle additional equipment reliable, easy for installation.
Technical scheme of the present invention is: a kind of ACC signal acquisition device of vehicle additional equipment, the ACC signal receiving end comprising ACC signal sending end and match with ACC signal sending end,
ACC signal sending end, is connected with automobile former car ACC signal wire (SW), obtains the original ACC signal of automobile, and process also sends with radiofrequency signal;
ACC signal receiving end, is connected with needing the additional equipment of ACC signal, and received RF signal is also converted to level signal, is then transferred to additional equipment.
Described ACC signal sending end comprises signal detection processing module and connected radiofrequency signal sending module, and signal detection processing module is directly connected with automobile former car ACC signal wire (SW).
Described ACC signal receiving end comprises rf signal reception module and connected signal conversion module, and radiofrequency signal accepts module and radiofrequency signal sending module matches, and signal conversion module is directly connected with additional equipment.
Another object of the present invention is to provide the ACC signal acquiring method of the vehicle additional equipment that a kind of signal acquisition is reliable, synchronism is good.Adopted technical scheme be:
An ACC signal acquiring method for vehicle additional equipment, comprising:
ACC signal sending end detects the ACC signal of automobile ignition switch;
The process of ACC status signal is sent radiofrequency signal;
ACC signal receiving end received RF signal is also transferred to the additional equipment needing ACC signal.
When ACC is ON state, ACC signal sending end can send the radiofrequency signal of an ACC ON every Preset Time.
When ACC signal receiving end when default interior do not receive the ACC ON signal of ACC signal sending end time, then enter ACC OFF.
The invention has the beneficial effects as follows: the one that this case proposes
carthe ACC signal acquisition device and method of additional equipment, adopt radio signal transmission ACC status signal, this scheme signal is synchronous effectively reliable, radio frequency wireless transmission signal is adopted just not need longer wiring, install simple, also save wire harness cost simultaneously, effectively solve the problem that the final terminal installed additional cannot obtain ACC signal.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention overall schematic.
Detailed description of the invention
Understand technology contents of the present invention for convenience of those skilled in the art, below in conjunction with drawings and Examples, the present invention is described in further detail.
Do not have the problem of ACC signal for the equipment installed additional or reequip, the present invention adopts the method for radio signal transmission ACC status signal, comprises the following steps: ACC signal sending end detects the ACC signal of automobile ignition switch; The process of ACC status signal is sent radiofrequency signal; The ACC signal receiving end received RF signal matched with ACC signal sending end is also transferred to additional equipment.This solution ensure the synchronous of signal, adopt radio frequency wireless transmission signal just not need longer wiring, also make installation simple, also save wire harness cost simultaneously, effectively solve the problem that the final terminal installed additional cannot obtain ACC signal.
Radio frequency (RF) is that a kind of high-frequency ac changes electromagnetic abbreviation, and RF is the abbreviation of Radio Frequency, represents and can be radiated the electromagnetic frequency in space, and frequency limit is between 300KHz ~ 30GHz.
As shown in Figure 1, the ACC signal acquisition device of a kind of vehicle additional equipment that this case provides, the ACC signal receiving end comprising ACC signal sending end and match with ACC signal sending end.ACC signal sending end is connected with automobile former car ACC signal wire (SW), comprises signal detection processing module and radiofrequency signal sending module, and signal detection processing module directly connects with automobile former car ACC signal wire (SW).ACC signal receiving end is connected with needing the additional equipment of ACC signal, comprises rf signal reception module and signal conversion module, and radiofrequency signal accepts module and radiofrequency signal sending module matches, and signal conversion module is directly connected with additional equipment.
When the signal detection processing module of ACC signal sending end gets the signal of ACC from former car, (level is ACC ON from low to high, or level is ACC OFF from high to low) after, the original ACC signal of automobile is obtained by signal detection processing module, and sent with radiofrequency signal by radiofrequency signal sending module, the rf signal reception module of ACC signal receiving end receives ACC signal, be converted to level signal through signal conversion module, then export the final terminal of this signal to ACC signal receiving end connection therewith.This scheme can ensure that multiple equipment can receive the original ACC signal of automobile by failure-free simultaneously.
When the original ACC signal of automobile is ON state, radiofrequency signal sending end (such as arranges acquiescence 30 seconds) and can send the radiofrequency signal of an ACC ON at set intervals, and for avoiding when first time ACC ON, rf signal reception end lost this signal; Simultaneously, this interval sends also as heartbeat packet, when in a timing, (such as arranging acquiescence 90 seconds) does not receive the ACC ON signal of sending end to receiving end, then enter ACC OFF, in case the ACC OFF dropout of rf signal reception end or sending end fault, this ensures that there the reliability of Signal transmissions.
Above-described embodiment is only wherein specific implementation of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (6)
1. an ACC signal acquisition device for vehicle additional equipment, is characterized in that, the ACC signal receiving end comprising ACC signal sending end and match with ACC signal sending end,
ACC signal sending end, is connected with automobile former car ACC signal wire (SW), obtains the original ACC signal of automobile, and process also sends with radiofrequency signal;
ACC signal receiving end, is connected with needing the additional equipment of ACC signal, and received RF signal is also converted to level signal, is then transferred to additional equipment.
2. the ACC signal acquisition device of vehicle additional equipment according to claim 1, it is characterized in that, described ACC signal sending end comprises signal detection processing module and connected radiofrequency signal sending module, and signal detection processing module is directly connected with automobile former car ACC signal wire (SW).
3. the ACC signal acquisition device of vehicle additional equipment according to claim 2, it is characterized in that, described ACC signal receiving end comprises rf signal reception module and connected signal conversion module, radiofrequency signal accepts module and radiofrequency signal sending module matches, and signal conversion module is directly connected with additional equipment.
4. an ACC signal acquiring method for vehicle additional equipment, is characterized in that, comprising:
ACC signal sending end detects the ACC signal of automobile ignition switch;
The process of ACC status signal is sent radiofrequency signal;
ACC signal receiving end received RF signal is also transferred to the additional equipment needing ACC signal.
5. the ACC signal acquiring method of vehicle additional equipment according to claim 4, is characterized in that, when ACC is ON state, ACC signal sending end can send the radiofrequency signal of an ACC ON every Preset Time.
6. the ACC signal acquiring method of vehicle additional equipment according to claim 5, is characterized in that, when ACC signal receiving end when default interior do not receive the ACC ON signal of ACC signal sending end time, then enter ACC OFF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510088309.5A CN104723998A (en) | 2015-02-26 | 2015-02-26 | ACC signal acquisition device and method of vehicle-mounted equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510088309.5A CN104723998A (en) | 2015-02-26 | 2015-02-26 | ACC signal acquisition device and method of vehicle-mounted equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104723998A true CN104723998A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510088309.5A Pending CN104723998A (en) | 2015-02-26 | 2015-02-26 | ACC signal acquisition device and method of vehicle-mounted equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN104723998A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5874785A (en) * | 1997-12-04 | 1999-02-23 | Continocean Tech Inc. | Keyless motor vehicle starting system |
| CN2455548Y (en) * | 2000-11-09 | 2001-10-24 | 吕淑真 | Wireless device against theft for motor car |
| CN101208006A (en) * | 2006-12-20 | 2008-06-25 | 厦门雅迅网络股份有限公司 | Vehicle mounted terminal integrated with guidance and vocation application |
| CN103312741A (en) * | 2012-03-09 | 2013-09-18 | 镁骅科技有限公司 | Driving information notification system |
-
2015
- 2015-02-26 CN CN201510088309.5A patent/CN104723998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5874785A (en) * | 1997-12-04 | 1999-02-23 | Continocean Tech Inc. | Keyless motor vehicle starting system |
| CN2455548Y (en) * | 2000-11-09 | 2001-10-24 | 吕淑真 | Wireless device against theft for motor car |
| CN101208006A (en) * | 2006-12-20 | 2008-06-25 | 厦门雅迅网络股份有限公司 | Vehicle mounted terminal integrated with guidance and vocation application |
| CN103312741A (en) * | 2012-03-09 | 2013-09-18 | 镁骅科技有限公司 | Driving information notification system |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 516006 Guangdong city of Huizhou province Huizhou Zhongkai high tech Zone and five West Road No. 103 Applicant after: HUIZHOU DESAY SV AUTOMOTIVE CO., LTD. Address before: 516006 Guangdong city of Huizhou province Huizhou Zhongkai high tech Zone and five West Road No. 103 Applicant before: Huizhou Desay SV Auto. Electronics Co., Ltd. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150624 |