CN203186290U - Engine anti-theft system based on infrared technology - Google Patents
Engine anti-theft system based on infrared technology Download PDFInfo
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- CN203186290U CN203186290U CN 201320180348 CN201320180348U CN203186290U CN 203186290 U CN203186290 U CN 203186290U CN 201320180348 CN201320180348 CN 201320180348 CN 201320180348 U CN201320180348 U CN 201320180348U CN 203186290 U CN203186290 U CN 203186290U
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- infrared signal
- engine
- key
- infrared
- positive source
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Abstract
The utility model provides an engine anti-theft system based on the infrared technology. The engine anti-theft system based on the infrared technology comprises a key and an engine lock, wherein an infrared signal sending circuit and an infrared signal emitting terminal are arranged on a key handle, the engine lock is provided with an infrared signal receiving terminal, and the infrared signal receiving terminal is connected with an engine ECU. When the key is in a starting state, the infrared signal sending circuit and the engine ECU are electrified to work, the infrared signal emitting terminal sends infrared signals to the infrared signal receiving terminal, and the engine ECU controls the engine ECU to carry out an engine management program according to the infrared signals. According to the engine anti-theft system based on the infrared technology, under the premises that use safety of a system power source is ensured, and reliable communication is ensured, the infrared technology is applied to the field of motorcycle burglary prevention in an innovative mode, the characteristic that an electronic injection motorcycle is provided with an engine management control unit is combined, design is carried out by using low-cost infrared emission-and-receiving diodes, engine burglary prevention of the motorcycle is achieved, and the cost of engine burglary prevention of the motorcycle is reduced.
Description
Technical field
The utility model relates to the engine anti-theft technical field, is specifically related to a kind of infrared technique transmission signal that utilizes and realizes antitheft engine theftproof system.
Background technology
Engine anti-theft is present most popular antitheft scheme, but cost is higher, only uses at the part automobile, seldom uses on the motor bike.
The principle of work of typical engine theftproof system is: in the ignition key of vehicle electronic chip is housed, fixing ID (being equivalent to the identification number) is housed in each chip, when having only the ID of key chip consistent with the ID of driving engine one side, vehicle could start; On the contrary, if inconsistent, automobile is automatic shutdown circuit at once, and driving engine can't be started, and this theft preventing method all needs to install electronic chip on ignition key and driving engine, and cost is higher.
The utility model content
In order to overcome the defective that exists in the above-mentioned prior art, the purpose of this utility model provides a kind of engine theftproof system based on infrared technique, the infrared emission circuit of the utility model by key inside be the ECU(Electronic Control Unit to motorcycle with electronic fuel injection system at the initial stage of powering on, electronic control unit) sends password, control ECU carries out the engine management program, realizes the engine anti-theft function by lower cost.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of engine theftproof system based on infrared technique, comprise key and engine lock, described key is made up of key holder and key bit, has the infrared signal transtation mission circuit on the described key holder, infrared signal transmitting terminal and positive source input end, described positive source input end links to each other with described infrared signal transmitter card, described infrared signal transtation mission circuit links to each other with described infrared signal transmitting terminal, have positive source contact plate and infrared signal receiving end on the described engine lock, described positive source contact plate is connected with external power supply, and described infrared signal receiving end links to each other with Engine ECU; When key was in closed condition, the positive source input end on the described key holder separated with positive source contact plate on the described engine lock; When key is in opening, positive source input end on the described key holder contacts with positive source contact plate on the described engine lock, described key bit ground connection, described infrared signal transtation mission circuit and described Engine ECU work on power, described infrared signal transmitting terminal sends infrared signal to the infrared signal receiving end, and described Engine ECU is carried out the engine management program according to described infrared signal control Engine ECU.
The key of engine theftproof system of the present utility model need not be installed battery, guaranteeing system power supply use safety, under the prerequisite of reliable communications, that innovates courageously is applied to the motorcycle anti-theft field with infrared technique, have the characteristics of engine management control unit in conjunction with motorcycle with electronic fuel injection system, infrared emission and reception diode that use cost is cheap design, in conjunction with the structure of motor bike key and lock, realize the engine anti-theft of motor bike, reduced the antitheft cost of motor cycle engine.
In a kind of preferred implementation of the present utility model, described positive source input end is metal light shields, described metal light shields is tubular, described metal light shields is socketed on the described infrared signal transmitting terminal, when key was in closed condition, described metal light shields was separated with positive source contact plate on the described engine lock; When key was in opening, described metal light shields contacted with positive source contact plate on the described engine lock, and described infrared signal transmitting terminal and infrared signal receiving end are positioned at metal light shields inside.
In another kind of preferred implementation of the present utility model, also comprise the dash baffle on the locking closure that is positioned at described engine lock, has the baffle plate small opening that is connected by described metal light shields on the described dash baffle, described dash baffle rotates synchronously with key, when key was in closed condition, described dash baffle covered described infrared signal receiving end and positive source contact plate.
The utility model utilizes metal light shields that infrared signal transmitting terminal and infrared signal receiving end are protected, and this metal cap not only has interception, stops external ray to the interference of infrared signal, avoids occurring key and sends the possibility of being misread by ECU behind the password; Metal cap also uses as anodal.Locking closure of the present utility model has increased the dash baffle, and the positive source contact plate is protected by the dash baffle under the key closed condition, avoids occurring major failures such as power supply short circuit.
In a kind of preferred embodiment of the present utility model, also comprise at least two ring-type guiding gutters, described infrared signal receiving end and positive source contact plate are between two ring-type guiding gutters.Avoid occurring entering or touch etc. because of metal object the major failures such as power supply short circuit that cause because of rainwater.
In order to realize above-mentioned purpose of the present utility model, according to first aspect of the present utility model, the utility model provides a kind of engine theftproof system based on infrared technique, comprise key and engine lock, described key is made up of key holder and key bit, has the infrared signal transtation mission circuit on the described key holder, infrared signal transmitting terminal and battery, described battery links to each other with described infrared signal transtation mission circuit, described infrared signal transtation mission circuit links to each other with described infrared signal transmitting terminal, have the infrared signal receiving end on the described engine lock, described infrared signal transmitting terminal links to each other with Engine ECU; When key was in opening, described infrared signal transmitting terminal sent infrared signal to the infrared signal receiving end, and described Engine ECU is carried out the engine management program according to described infrared signal control Engine ECU.
Engine theftproof system of the present utility model is guaranteeing system power supply use safety, under the prerequisite of reliable communications, infrared technique is applied to the motorcycle anti-theft field, the characteristics that have the engine management control unit in conjunction with motorcycle with electronic fuel injection system, infrared emission and reception diode that use cost is cheap design, structure in conjunction with motor bike key and lock, reduced engine anti-theft scheme cost, the key of this programme must be installed battery, but because the power consumption of infrared-emitting diode is well below traditional wireless communication module, so its standby ability will outclass traditional key, and equally need not any metallic contact, safe and reliable.
In a kind of preferred embodiment of the present utility model, also comprise the non-metal shade, described non-metal shade is tubular, described non-metal shade is socketed on the described infrared signal transmitting terminal, when key was in opening, described infrared signal transmitting terminal and infrared signal receiving end were positioned at non-metal shade inside.
The utility model key end utilizes the non-metal shade that infrared signal transmitting terminal and infrared signal receiving end are protected; this shading is covered with interception; stop external ray to the interference of infrared signal, after avoiding occurring key and sending password, the possibility of being misread by ECU.
In another kind of preferred embodiment of the present utility model, also comprise the non-metal lamina of septum pellucidum, described non-metal lamina of septum pellucidum covers on the described infrared signal receiving end, plays the effect of protection.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the electrical block diagram in first preferred implementation of the utility model engine theftproof system;
Fig. 2 is the key front schematic view in first preferred implementation of the utility model engine theftproof system;
Fig. 3 is the key schematic bottom view in first preferred implementation of the utility model engine theftproof system;
Fig. 4 is the front schematic view of the engine lock in first preferred implementation of the utility model engine theftproof system;
Fig. 5 is that the locking closure of engine lock among Fig. 4 is along the side sectional view of AA ' direction;
Fig. 6 is the electrical block diagram in second preferred implementation of the utility model engine theftproof system;
Fig. 7 is the key front schematic view in second preferred implementation of the utility model engine theftproof system;
Fig. 8 is the key schematic bottom view in second preferred implementation of the utility model engine theftproof system;
Fig. 9 is the front schematic view of the engine lock in second preferred implementation of the utility model engine theftproof system;
Figure 10 is that the locking closure of engine lock among Fig. 9 is along the side sectional view of AA ' direction.
Reference numeral:
1 key holder; 2 key bits; 3 positive source input ends; 4 infrared signal transtation mission circuits;
5 infrared signal transmitting terminals; 6 positive source contact plates; 7 infrared signal receiving ends;
8 dash baffles; 9 baffle plate small openings; 10 guiding gutters; 11 key holes;
12 infrared signal transmitting terminal running orbits; 13 non-metal lamina of septum pellucidum; 14 metal light shields;
15 non-metal shades; The initial correspondence position of 16 infrared signal transmitting terminals; 17 batteries.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, need to prove that term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
The utility model provides a kind of engine theftproof system based on infrared technique, in first preferred implementation of the present utility model, as Fig. 2-shown in Figure 5, it comprises key and engine lock, key is made up of key holder 1 and key bit 2, the material of key bit 2 is metal, after key bit 2 inserts the key hole 11 of lock, key bit 2 is as power ground, in conjunction with shown in Figure 1, has infrared signal transtation mission circuit 4 on the key holder 1, infrared signal transmitting terminal 5 and positive source input end 3, positive source input end 3 links to each other with infrared signal transmitting terminal 5 with infrared signal transtation mission circuit 4 plates respectively, infrared signal transtation mission circuit 4 links to each other with infrared signal transmitting terminal 5, have positive source contact plate 6 and infrared signal receiving end 7 on the engine lock, positive source contact plate 6 is connected with external power supply, and infrared signal receiving end 7 links to each other with Engine ECU; When key was in closed condition, the positive source input end 3 on the key holder 1 separated with positive source contact plate 6 on the engine lock; When key is in opening, positive source input end 3 on the key holder 1 contacts with positive source contact plate 6 on the described engine lock, described key bit 2 ground connection, infrared signal transtation mission circuit 4 works on power with Engine ECU, infrared signal transmitting terminal 5 sends infrared signal to infrared signal receiving end 7, and Engine ECU is carried out the engine management program according to infrared signal control Engine ECU.
In the present embodiment, positive source input end 3 is metal light shields 14, and this metal light shields 14 is tubular, and metal light shields 14 is socketed on the infrared signal transmitting terminal 5, when key was in closed condition, metal light shields 14 was separated with positive source contact plate 6 on the engine lock; When key was in opening, metal light shields 14 contacted with positive source contact plate 6 on the engine lock, and infrared signal transmitting terminal 5 is positioned at metal light shields 14 inside with infrared secondary signal receiving end.This metal cap uses as positive source, also has interception simultaneously, stops external ray to the interference of infrared signal, avoids occurring key and sends the possibility of being misread by ECU behind the password.
In the present embodiment, on the locking closure of engine lock, also be provided with dash baffle 8, as shown in Figure 4, has the baffle plate small opening 9 that is connected by metal light shields 14 on the dash baffle 8, dash baffle 8 can rotate synchronously with key, when key is in closed condition, dash baffle 8 covers infrared signal receiving end 7 and positive source contact plate 6, along infrared signal transmitting terminal 5 running orbits 12 shown in Fig. 4, key rotates to the open position from off position, positive source input end 3 on the key holder 1 contacts with positive source contact plate 6 on the engine lock, key bit 2 ground connection, infrared signal transtation mission circuit 4 works on power with Engine ECU, and infrared signal transmitting terminal 5 sends infrared signal to infrared signal receiving end 7, and Engine ECU is carried out the engine management program according to infrared signal control Engine ECU.
In the other preferred implementation of the utility model, on the locking closure of driving engine, also be provided with at least two ring-type guiding gutters 10, infrared signal receiving end 7 and positive source contact plate 6 are between two ring-type guiding gutters 10.Avoid occurring entering or touch etc. because of metal object the major failures such as power supply short circuit that cause because of rainwater, in the present embodiment, as shown in Figure 4, the quantity of guiding gutter 10 is 2, in other preferred implementation of the present utility model, can be for more than 3 or 3.
In the present embodiment, also be provided with non-metal lamina of septum pellucidum 13 on locking closure, non-metal lamina of septum pellucidum 13 covers on the infrared signal receiving end 7, plays the effect of protection.
The power unit of key also is made up of two parts in the present embodiment, and a part is the metal part of key before using, and it links to each other with frame of motorcycle, uses as power cathode.The 2nd, the positive source part; it is protected by dash baffle 8 under the key closed condition; avoid occurring entering or touch etc. because of metal object the major failures such as power supply short circuit that cause because of rainwater; in case and key is when rotating to the key open mode; metal light shields 14 on the key and the inner positive source touch panel of lock contact, and connect the power supply of key internal circuit.And the infrared signal key transmitting terminal in the shade also just with the infrared signal interlocking receiving end of lock end over against, can realize infrared communication.
In second preferred implementation of the present utility model, as Fig. 5-shown in Figure 8, engine theftproof system comprises key and engine lock, and key is made up of key holder 1 and key bit 2, in conjunction with shown in Figure 6, have infrared signal transtation mission circuit 4, infrared signal transmitting terminal 5 and battery 17 on the key holder 1.Wherein, battery 17 links to each other with infrared signal transmitting terminal 5 with infrared signal transtation mission circuit 4 respectively, and infrared signal transtation mission circuit 4 links to each other with infrared signal transmitting terminal 5, has infrared signal receiving end 7 on the engine lock, and infrared signal transmitting terminal 5 links to each other with Engine ECU; When the infrared signal transmitting terminal 5 initial correspondence positions 16 of key are rotated along infrared signal transmitting terminal 5 running orbits 12, when key is in opening, infrared signal transmitting terminal 5 sends infrared signal to infrared signal receiving end 7, and Engine ECU is carried out the engine management program according to described infrared signal control Engine ECU.
In the present embodiment, also comprise non-metal shade 15, non-metal shade 15 is tubular and is socketed on the infrared signal transmitting terminal 5 that when key was in opening, infrared signal transmitting terminal 5 was positioned at non-metal shade 15 inside with infrared signal receiving end 7.The utility model utilizes non-metal shade 15 that infrared signal transmitting terminal 5 and infrared signal receiving end 7 are protected; this shading is covered with interception; stop external ray to the interference of infrared signal, after avoiding occurring key and sending password, the possibility of being misread by ECU.
In the present embodiment, also be provided with non-metal lamina of septum pellucidum 13 on locking closure, non-metal lamina of septum pellucidum 13 covers on the infrared signal receiving end 7, plays the effect of protection.
Engine theftproof system of the present utility model is guaranteeing system power supply use safety, under the reliable communications ground prerequisite, that innovates courageously is applied to the motorcycle anti-theft field with infrared technique, the characteristics that have the engine management control unit in conjunction with motorcycle with electronic fuel injection system, infrared emission and reception diode that use cost is cheap design, structure in conjunction with motor bike key and lock, reduced engine anti-theft scheme cost, the key of this programme must be installed battery 17, but because the power consumption of infrared-emitting diode is well below traditional wireless communication module, so its standby ability will outclass traditional key, and equally need not any metallic contact, safe and reliable.
The utility model also provides a kind of theft preventing method of the engine theftproof system based on infrared technique, comprise the steps: that infrared signal transtation mission circuit 4 sends the password of this key to Engine ECU, after the launched machine ECU approval of described password, Engine ECU is carried out the engine management program, and infrared signal transtation mission circuit 4 enters sleep pattern.The utility model sends the password of this key and then whether determines start the engine to Engine ECU by infrared signal transtation mission circuit 4, can reduce the anti-theft system cost.
In the description of this specification sheets, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (8)
1. engine theftproof system based on infrared technique, comprise key and engine lock, described key is made up of key holder and key bit, it is characterized in that: have the infrared signal transtation mission circuit on the described key holder, infrared signal transmitting terminal and positive source input end, described positive source input end links to each other with described infrared signal transtation mission circuit, described infrared signal transtation mission circuit links to each other with described infrared signal transmitting terminal, have positive source contact plate and infrared signal receiving end on the described engine lock, described positive source contact plate is connected with external power supply, and described infrared signal receiving end links to each other with Engine ECU;
When key was in closed condition, the positive source input end on the described key holder separated with positive source contact plate on the described engine lock;
When key is in opening, positive source input end on the described key holder contacts with positive source contact plate on the described engine lock, described key bit ground connection, described infrared signal transtation mission circuit and described Engine ECU work on power, described infrared signal transmitting terminal sends infrared signal to the infrared signal receiving end, and described Engine ECU is carried out the engine management program according to described infrared signal control Engine ECU.
2. the engine theftproof system based on infrared technique as claimed in claim 1, it is characterized in that: described positive source input end is metal light shields, described metal light shields is tubular, described metal light shields is socketed on the described infrared signal transmitting terminal, when key was in closed condition, described metal light shields was separated with positive source contact plate on the described engine lock; When key was in opening, described metal light shields contacted with positive source contact plate on the described engine lock, and described infrared signal transmitting terminal and infrared secondary signal receiving end are positioned at metal light shields inside.
3. the engine theftproof system based on infrared technique as claimed in claim 1, it is characterized in that: also comprise the dash baffle on the locking closure that is positioned at described engine lock, has the baffle plate small opening that is connected by described metal light shields on the described dash baffle, described dash baffle rotates synchronously with key, when key was in closed condition, described dash baffle covered described infrared signal receiving end and positive source contact plate.
4. the engine theftproof system based on infrared technique as claimed in claim 1, it is characterized in that: also comprise at least two ring-type guiding gutters, described infrared signal receiving end and positive source contact plate are between two ring-type guiding gutters.
5. the engine theftproof system based on infrared technique as claimed in claim 1, it is characterized in that: also comprise the non-metal lamina of septum pellucidum, described non-metal lamina of septum pellucidum covers on the described infrared signal receiving end.
6. engine theftproof system based on infrared technique, comprise key and engine lock, described key is made up of key holder and key bit, it is characterized in that: have infrared signal transtation mission circuit, infrared signal transmitting terminal and battery on the described key holder, described battery links to each other with described infrared signal transtation mission circuit, described infrared signal transtation mission circuit links to each other with described infrared signal transmitting terminal, have the infrared signal receiving end on the described engine lock, described infrared signal transmitting terminal links to each other with Engine ECU;
When key was in opening, described infrared signal transmitting terminal sent infrared signal to the infrared signal receiving end, and described Engine ECU is carried out the engine management program according to described infrared signal control Engine ECU.
7. the engine theftproof system based on infrared technique as claimed in claim 6, it is characterized in that: also comprise the non-metal shade, described non-metal shade is tubular, described non-metal shade is socketed on the described infrared signal transmitting terminal, when key was in opening, described infrared signal transmitting terminal and infrared signal receiving end were positioned at non-metal shade inside.
8. the engine theftproof system based on infrared technique stated of claim 6, it is characterized in that: also comprise the non-metal lamina of septum pellucidum, described non-metal lamina of septum pellucidum covers on the described infrared signal receiving end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180348 CN203186290U (en) | 2013-04-11 | 2013-04-11 | Engine anti-theft system based on infrared technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180348 CN203186290U (en) | 2013-04-11 | 2013-04-11 | Engine anti-theft system based on infrared technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203186290U true CN203186290U (en) | 2013-09-11 |
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ID=49103172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180348 Expired - Lifetime CN203186290U (en) | 2013-04-11 | 2013-04-11 | Engine anti-theft system based on infrared technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN203186290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171516A (en) * | 2013-04-11 | 2013-06-26 | 力帆实业(集团)股份有限公司 | Engine anti-theft system based on infrared technology |
-
2013
- 2013-04-11 CN CN 201320180348 patent/CN203186290U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171516A (en) * | 2013-04-11 | 2013-06-26 | 力帆实业(集团)股份有限公司 | Engine anti-theft system based on infrared technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |