CN103618558B - A kind of Receiver Module, automobile remote controllers and remote control thereof - Google Patents
A kind of Receiver Module, automobile remote controllers and remote control thereof Download PDFInfo
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- CN103618558B CN103618558B CN201310632583.5A CN201310632583A CN103618558B CN 103618558 B CN103618558 B CN 103618558B CN 201310632583 A CN201310632583 A CN 201310632583A CN 103618558 B CN103618558 B CN 103618558B
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Abstract
The invention provides a kind of Receiver Module and adopt the automobile remote controllers of this Receiver Module and automobile carried out to the method for remote control.There is in this Receiver Module the module that radio frequency signal transit distance carries out processing, utilize the distance between the receiving terminal of this module acquisition radiofrequency signal and transmitting terminal, make transmitting terminal controlled to receiving terminal.The method controls just to mate when making the distance between hand-held remote controller with remote-receiver in setting range, can be controlled to remote controller during the hand-held remote control that driver is grasped.
Description
Technical field
The present invention relates to rf signal reception field, particularly a kind of with detecting the Receiver Module of remote control distance function and adopting automobile remote controllers and the remote control thereof of this Receiver Module.
Background technology
Utilize automobile remote controllers by automobile locking and unblank to be the Main Means in automobile burglar field, driver utilizes remote controller to control car locking and driving, at present, common practices is, after a stoppage, driver sends control command by hand-held remote controller, is arranged on remote-receiver on automobile and receives after the guidance command that sended over by hand-held remote controller resolves, and is performed unblank and the action of locking by final controlling element.The remote-receiver be arranged on automobile only receives the remote signal of mating with oneself just to carry out resolving and performing, if the remote signal do not matched with oneself, then ignores.Ensure that the safety of automobile to a certain extent.
At present, automobile remote controllers is generally divided into infrared remote controller and Digiplex, be collectively referred to as RF remote, comprise remote control transmitter and remote signal receiver, wherein, remote control transmitter is also known as remote controller, it is a kind of radio-frequency (RF) transmitter, guidance command is modulated in radiofrequency signal and sends to receiver of remote-control sytem, remote signal receiver is exactly a kind of Receiver Module in fact, receive the remote radio frequency signal sended over by radio frequency sending module to be analysed by demodulation, acquisition is the control command controlled oneself, then guidance command is performed by final controlling element.
At present, in order to ensure the reliability of automobile remote controllers, identification code is provided with between hand-held remote controller (radio frequency sends out reflector) and remote control reception module (Receiver Module), it is generally a string number, hand-held remote controller is when sending, identification code is sent to remote control reception module, after remote control reception module receives radiofrequency signal, after demodulating and decoding, obtain this string identification code of being reequiped by hand-held remote controller, this a string identification code is mated with the identification code be kept in remote control reception module, if can mate, then perform the guidance command received, otherwise will not perform.By correct hand-held remote controller, automobile being unblanked and locking with regard to ensure that to a certain extent like this, preventing illegal hand-held remote controller from unblanking.
But in such remote controller, when remote controller mates with receiver module, easily produce by mistake study, a large difficulty that error hiding is still puzzlement remote controller transmitting and receiving producer, bad to this control, just there will be the situation that a remote controller mates many automobiles; This reason is wherein diversified; The difference etc. of the misoperation of such as production line Manufacturing Worker, the electromagnetic environment difference residing for car load, remote controller condition for study, therefore, the mistake study produced when cannot ensure automobile study coupling in prior art, the situations such as error hiding, so very large impact is caused on the fail safe of car load, meanwhile, the reliability of consumer to car load is greatly reduced.
Summary of the invention
For overcoming radiofrequency launcher of the prior art and radio-frequency module in the above-mentioned deficiency of carrying out occurring in remote control identification code matching process, the invention provides a kind of Receiver Module and using the automobile remote controllers of this Receiver Module.
The present invention in order to the technical scheme realizing its technical purpose and adopt is: a kind of Receiver Module, comprise radio frequency receive antenna and radio-frequency signal processing module, described radio frequency receive antenna receives the radiofrequency signal of being launched by radiofrequency emitting module and is sent to described radio-frequency signal processing module, also comprise received signal strength indicator processing module, described received signal strength indicator processing module connects described radio-frequency signal processing module, comprise filter amplification circuit and A/D convertor circuit, received signal strength processing module, described radio-frequency signal processing module isolates receiving signal intensity indication signal after described filter amplifier filter and amplification from the signal that described radio frequency receive antenna receives, the digital signal of receiving signal intensity indication signal is formed through described A/D convertor circuit, the distance between described Receiver Module and radiofrequency emitting module is obtained after the digital signal of described receiving signal intensity indication signal enters described received signal strength processing module process.
Further, in above-mentioned Receiver Module: described received signal strength indicator processing module comprises divider resistance R3, divider resistance R7, divider resistance R5 and divider resistance R8 from the place in circuit of described radio-frequency signal processing module access receiving signal intensity indication signal, described divider resistance R3 and divider resistance R7 is connected between DC power supply and ground, and the receiving signal intensity indication signal exported from described radio-frequency signal processing module connects described divider resistance R3 and the link of divider resistance R7; Described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5; Described divider resistance R5 and described divider resistance R8 contacts ground connection.
Further, in above-mentioned Receiver Module: also comprise filter capacitor C4, before described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5, by described filter capacitor C4 ground connection.
Further, in above-mentioned Receiver Module: described filter amplification circuit comprises the first differential comparator and the second differential comparator; The receiving signal intensity indication signal accessed by place in circuit is after the homophase input port input filtering clutter of the first differential comparator, export from the delivery outlet of the first differential comparator, the homophase input port input entering the second described differential comparator, after amplifying, exports from the delivery outlet of the second differential comparator and connects described A/D convertor circuit.
Further, in above-mentioned Receiver Module: the delivery outlet of the second described differential comparator exports to connect between described A/D convertor circuit and is also provided with steady filter circuit, described steady filter circuit comprises current-limiting resistance R4, filter capacitor C2, ground connection after described current-limiting resistance R4 and filter capacitor C2 contacts.
Present invention also offers a kind of automobile remote-control comprising above-mentioned Receiver Module, described automobile remote controllers comprises the hand-held remote controller grasped by driver and the remote signal receiver be arranged on automobile, described remote signal receiver comprises remote control signal receiver antenna and remote signal processing unit, performance element, remote signal processing unit described in the remote signal of being launched by described hand-held remote controller that receives described remote control signal receiver antenna accesses, described remote signal processing unit exports and connects described performance element, received signal strength indicator processing module is also comprised in described remote signal receiver, described received signal strength indicator processing module connects described remote signal processing unit, comprise filter amplification circuit and A/D convertor circuit, received signal strength processing module, described remote signal processing unit isolates receiving signal intensity indication signal after described filter amplifier filter and amplification from the signal that described remote control signal receiver antenna receives, the digital signal of receiving signal intensity indication signal is formed through described A/D convertor circuit, the distance between described Receiver Module and radiofrequency emitting module is obtained after the digital signal of described receiving signal intensity indication signal enters described received signal strength processing module process.
Further, in above-mentioned automobile remote controllers: described received signal strength indicator processing module comprises divider resistance R3, divider resistance R7, divider resistance R5 and divider resistance R8 from the place in circuit of described remote signal processing unit access receiving signal intensity indication signal, described divider resistance R3 and divider resistance R7 is connected between DC power supply and ground, and the receiving signal intensity indication signal exported from described radio-frequency signal processing module connects described divider resistance R3 and the link of divider resistance R7; Described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5; Described divider resistance R5 and described divider resistance R8 contacts ground connection; Also comprise filter capacitor C4, before described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5, by described filter capacitor C4 ground connection.
Further, in above-mentioned automobile remote controllers: described filter amplification circuit comprises the first differential comparator and the second differential comparator; The receiving signal intensity indication signal accessed by place in circuit is after the homophase input port input filtering clutter of the first differential comparator, export from the delivery outlet of the first differential comparator, the homophase input port input entering the second described differential comparator, after amplifying, exports from the delivery outlet of the second differential comparator and connects described A/D convertor circuit.
Further, in above-mentioned automobile remote controllers: the delivery outlet of the second described differential comparator exports to connect between described A/D convertor circuit and is also provided with steady filter circuit, described steady filter circuit comprises current-limiting resistance R4, filter capacitor C2, ground connection after described current-limiting resistance R4 and filter capacitor C2 contacts.
Present invention also offers a kind of vehicle remote control method, the method utilizes driver's hand-held remote controller to control the remote signal receiver be arranged on automobile, after remote signal receiver receives the control command sent by hand-held remote controller, mate with itself, only have that the match is successful and just produce control signal and control actuator's action, at described remote signal receiver when receiving the signal of hand-held remote controller, detect the distance between hand-held remote controller, only have this distance just to mate in setting range.
Receiver Module provided by the invention and automobile remote controllers can provide the distance signal between Receiver Module and radio-frequency transmissions hair device, guarantee that radiofrequency signal is controlled between sending and receiving.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1. automobile remote controllers structured flowchart.
Fig. 2 is the place in circuit schematic diagram of the embodiment of the present invention 1 receiving signal intensity indication signal.
Fig. 3 is the embodiment of the present invention 1 filter amplification circuit schematic diagram.
Embodiment
Embodiment 1, as shown in Figure 1, the present embodiment is a kind of automobile remote controllers, the module that the RSSI of intensity instruction to received signal signal carries out processing is included in automobile remote controllers in the present embodiment, here RSSI:Received Signal Strength Indication received signal strength indicator, the selective sections of wireless transmission layer, is used for judging link quality, and whether increases broadcast transmission intensity.Just can acquire the hand-held remote controller grasped by driver after process is carried out in the present embodiment intensity instruction to received signal and be arranged on the distance between the remote signal receiver on automobile, and by process distance exceed certain limit such as 1 meter time, no longer process.
The automobile remote controllers of the present embodiment is infrared remote controller, comprise infrared transmitter, the hand-held remote control grasped by driver exactly and the remote signal receiver be arranged on automobile, the Receiver Module that one judges the module of the spacing of transmitting and receiving signal is included in remote control signal receiver, Receiver Module comprises received signal strength indicator processing module, received signal strength indicator processing module connects radio-frequency signal processing module, comprise filter amplification circuit and A/D convertor circuit, received signal strength processing module, radio-frequency signal processing module isolates receiving signal intensity indication signal after filtering after amplifier filter and amplification from the signal that radio frequency receive antenna receives, the digital signal of receiving signal intensity indication signal is formed through A/D convertor circuit, the distance between Receiver Module and radiofrequency emitting module is obtained after the digital signal of receiving signal intensity indication signal enters the process of received signal strength processing module.
As shown in Figure 1, automobile remote controllers in the present embodiment comprises the hand-held remote controller grasped by driver and the remote signal receiver be arranged on automobile, remote signal receiver comprises remote control signal receiver antenna and remote signal processing unit, performance element, remote control signal receiver antenna receives the remote signal access remote signal processing unit launched by hand-held remote controller, and remote signal processing unit exports and connects described performance element, especially, received signal strength indicator processing module is also comprised in remote signal receiver in the present embodiment, received signal strength indicator processing module connects remote signal processing unit, comprise filter amplification circuit and A/D convertor circuit, received signal strength processing module, remote signal processing unit isolates receiving signal intensity indication signal after filtering after amplifier filter and amplification from the signal that remote control signal receiver antenna receives, the digital signal of receiving signal intensity indication signal is formed through A/D convertor circuit, the distance between Receiver Module and radiofrequency emitting module is obtained after the digital signal of receiving signal intensity indication signal enters the process of received signal strength processing module.
In the present embodiment, received signal strength indicator processing module accesses the place in circuit of receiving signal intensity indication signal as shown in Figure 2 from remote signal processing unit, comprise divider resistance R3, divider resistance R7, divider resistance R5 and divider resistance R8, described divider resistance R3 and divider resistance R7 is connected between DC power supply and ground, connects the link of divider resistance R3 and divider resistance R7 from the receiving signal intensity indication signal of radio-frequency signal processing module output; Receiving signal intensity indication signal connects described filter amplifier by divider resistance R5; Divider resistance R5 and divider resistance R8 contacts ground connection; Also comprise filter capacitor C4, before receiving signal intensity indication signal connects described filter amplifier by divider resistance R5, by filter capacitor C4 ground connection, filtering high-frequency signal disturbs.
In the present embodiment, filter amplification circuit is made up of a low-power consumption low maladjustment voltage dual comparator LM2903 and peripheral circuit, and as shown in Figure 3, low-power consumption low maladjustment voltage dual comparator LM2903 comprises the first differential comparator and the second differential comparator; The receiving signal intensity indication signal accessed by place in circuit is after homophase input port IN1 (+) the input filtering clutter of the first differential comparator, export from the delivery outlet Output1 of the first differential comparator, homophase input port IN1 (+) input entering the second differential comparator, after amplifying, exports from the delivery outlet Output2 of the second differential comparator and connects described A/D convertor circuit.Export to connect between A/D convertor circuit at the delivery outlet Output2 of the second differential comparator and be also provided with steady filter circuit, steady filter circuit comprises current-limiting resistance R4, filter capacitor C2, ground connection after described current-limiting resistance R4 and filter capacitor C2 contacts.In addition, in figure, C1, R1, R6 are the same with C3, R10, R9 forms filter amplifier together with low-power consumption low maladjustment voltage dual comparator LM2903.
The technical scheme that the present embodiment provides is, a kind of automobile remote controllers, and the Receiver Module in remote controller has the unit of the distance between accurate remote position controlled device and Receiver Module.
First, the radiofrequency signal sent by rf signal reception antenna reception hand-held remote controller, and radiofrequency signal is passed to Receiver Module.
Receiver Module receives radiofrequency signal, exports untreated radio frequency strength signal by RSSI.
The radio-frequency (RF) signal strength that filter amplifier exports by receiving RSSI, and carry out filter and amplification, convert voltage signal to, line output of going forward side by side.
AD detection module receives the signal that filter amplifier transmits, and voltage signal, detects voltage strength in real time.
And the voltage detected by AD by specific algorithm and the distance between remote controller and Receiver Module are converted, and accurately draw the distance between remote controller and Receiver Module.
By software control, only have during the distance≤1m between remote controller and Receiver Module and just allow coupling learning, otherwise do not allow study, the situation generation of error hiding, study by mistake can be avoided like this.
Claims (8)
1. a Receiver Module, comprise radio frequency receive antenna and radio-frequency signal processing module, described radio frequency receive antenna receives the radiofrequency signal of being launched by radiofrequency emitting module and is sent to described radio-frequency signal processing module, it is characterized in that: also comprise received signal strength indicator processing module, described received signal strength indicator processing module connects described radio-frequency signal processing module, comprise filter amplifier and A/D convertor circuit, received signal strength processing module, described radio-frequency signal processing module isolates receiving signal intensity indication signal after described filter amplifier filter and amplification from the signal that described radio frequency receive antenna receives, the digital signal of receiving signal intensity indication signal is formed through described A/D convertor circuit, the distance between described Receiver Module and radiofrequency emitting module is obtained after the digital signal of described receiving signal intensity indication signal enters described received signal strength processing module process,
Described received signal strength indicator processing module comprises divider resistance R3, divider resistance R7, divider resistance R5 and divider resistance R8 from the place in circuit of described radio-frequency signal processing module access receiving signal intensity indication signal, described divider resistance R3 and divider resistance R7 is connected between DC power supply and ground, and the receiving signal intensity indication signal exported from described radio-frequency signal processing module connects described divider resistance R3 and the link of divider resistance R7; Described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5; Described divider resistance R5 and described divider resistance R8 contacts ground connection.
2. Receiver Module according to claim 1, it is characterized in that: also comprise filter capacitor C4, before described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5, by described filter capacitor C4 ground connection.
3. the Receiver Module according to claims 1 or 2, is characterized in that: described filter amplifier comprises the first differential comparator and the second differential comparator; The receiving signal intensity indication signal accessed by place in circuit is after homophase input port (IN1 (+)) the input filtering clutter of the first differential comparator, export from the delivery outlet (Output1) of the first differential comparator, homophase input port (IN1 (+)) input entering the second described differential comparator, after amplifying, exports from the delivery outlet (Output2) of the second differential comparator and connects described A/D convertor circuit.
4. Receiver Module according to claim 3, it is characterized in that: the delivery outlet (Output2) of the second described differential comparator exports to connect between described A/D convertor circuit and is also provided with steady filter circuit, described steady filter circuit comprises current-limiting resistance R4, filter capacitor C2, ground connection after described current-limiting resistance R4 and filter capacitor C2 contacts.
5. an automobile remote controllers, comprise the hand-held remote controller grasped by driver and the remote signal receiver be arranged on automobile, described remote signal receiver comprises remote control signal receiver antenna and remote signal processing unit, performance element, remote signal processing unit described in the remote signal of being launched by described hand-held remote controller that receives described remote control signal receiver antenna accesses, described remote signal processing unit exports and connects described performance element, it is characterized in that: in described remote signal receiver, also comprise received signal strength indicator processing module, described received signal strength indicator processing module connects described remote signal processing unit, comprise filter amplifier and A/D convertor circuit, received signal strength processing module, described remote signal processing unit isolates receiving signal intensity indication signal after described filter amplifier filter and amplification from the signal that described remote control signal receiver antenna receives, the digital signal of receiving signal intensity indication signal is formed through described A/D convertor circuit, the distance between the Receiver Module of remote signal receiver and the radiofrequency emitting module of hand-held remote controller is obtained after the digital signal of described receiving signal intensity indication signal enters described received signal strength processing module process,
Described received signal strength indicator processing module comprises divider resistance R3, divider resistance R7, divider resistance R5 and divider resistance R8 from the place in circuit of described remote signal processing unit access receiving signal intensity indication signal, described divider resistance R3 and divider resistance R7 is connected between DC power supply and ground, and the receiving signal intensity indication signal exported from the radio-frequency signal processing module of the Receiver Module of described remote signal receiver connects described divider resistance R3 and the link of divider resistance R7; Described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5; Described divider resistance R5 and described divider resistance R8 contacts ground connection; Also comprise filter capacitor C4, before described receiving signal intensity indication signal connects described filter amplifier by described divider resistance R5, by described filter capacitor C4 ground connection.
6. automobile remote controllers according to claim 5, is characterized in that: described filter amplifier comprises the first differential comparator and the second differential comparator; The receiving signal intensity indication signal accessed by place in circuit is after homophase input port (IN1 (+)) the input filtering clutter of the first differential comparator, export from the delivery outlet (Output1) of the first differential comparator, homophase input port (IN1 (+)) input entering the second described differential comparator, after amplifying, exports from the delivery outlet (Output2) of the second differential comparator and connects described A/D convertor circuit.
7. automobile remote controllers according to claim 6, it is characterized in that: the delivery outlet (Output2) of the second described differential comparator exports to connect between described A/D convertor circuit and is also provided with steady filter circuit, described steady filter circuit comprises current-limiting resistance R4, filter capacitor C2, ground connection after described current-limiting resistance R4 and filter capacitor C2 contacts.
8. a vehicle remote control method, the method utilizes driver's hand-held remote controller to control the remote signal receiver be arranged on automobile, after remote signal receiver receives the control command sent by hand-held remote controller, mate with itself, only have that the match is successful and just produce control signal and control actuator's action, it is characterized in that: described remote controller adopts any automobile remote controllers in claim 5 to 7; Described remote signal receiver, when receiving the signal of hand-held remote controller, detects the distance between hand-held remote controller, only has this distance just to mate in setting range.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310632583.5A CN103618558B (en) | 2013-12-02 | 2013-12-02 | A kind of Receiver Module, automobile remote controllers and remote control thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310632583.5A CN103618558B (en) | 2013-12-02 | 2013-12-02 | A kind of Receiver Module, automobile remote controllers and remote control thereof |
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| CN103618558A CN103618558A (en) | 2014-03-05 |
| CN103618558B true CN103618558B (en) | 2015-09-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108413991B (en) * | 2018-02-12 | 2020-11-06 | 深圳市建讯电子有限公司 | Method and device for detecting proximity of metal coil/plate in electromagnetic wave transmission process |
| CN114677789A (en) * | 2022-03-24 | 2022-06-28 | 北京金和网络股份有限公司 | Special vehicle management system |
| CN116206458B (en) * | 2022-12-29 | 2023-10-27 | 北京零零易科技有限公司 | Electric bicycle parking management system, management method and equipment thereof |
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| CN1295951A (en) * | 1999-11-10 | 2001-05-23 | 清华同方股份有限公司 | Location apparatus and method for anti-robbing and anti-theft system of car |
| CN201294639Y (en) * | 2008-11-10 | 2009-08-19 | 石强 | Single base station wireless locating device |
| CN102363422A (en) * | 2010-06-21 | 2012-02-29 | 胡夫·许尔斯贝克和福斯特有限及两合公司 | Key remote controller and method for exchanging signals between motor car-side control device and key remote controller |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0210064D0 (en) * | 2002-05-02 | 2002-06-12 | Koninkl Philips Electronics Nv | Radio system amd method of operating the radio system |
| DE102010010057B4 (en) * | 2010-03-03 | 2012-09-06 | Continental Automotive Gmbh | Method for controlling a door of a vehicle |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295951A (en) * | 1999-11-10 | 2001-05-23 | 清华同方股份有限公司 | Location apparatus and method for anti-robbing and anti-theft system of car |
| CN201294639Y (en) * | 2008-11-10 | 2009-08-19 | 石强 | Single base station wireless locating device |
| CN102363422A (en) * | 2010-06-21 | 2012-02-29 | 胡夫·许尔斯贝克和福斯特有限及两合公司 | Key remote controller and method for exchanging signals between motor car-side control device and key remote controller |
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Denomination of invention: Radio-frequency receiving module, automobile remote control and remote control method Effective date of registration: 20171211 Granted publication date: 20150930 Pledgee: Huizhou Merchants Bank, Wuhu solidarity Road subbranch Pledgor: CHANGHUI AUTO ELECTRICAL SYSTEM (ANHUI) Co.,Ltd. Registration number: 2017340000392 |
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Date of cancellation: 20221108 Granted publication date: 20150930 Pledgee: Huizhou Merchants Bank, Wuhu solidarity Road subbranch Pledgor: CHANGHUI AUTO ELECTRICAL SYSTEM (ANHUI) Co.,Ltd. Registration number: 2017340000392 |
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