CN202977731U - Coil-type anti-theft antenna and anti-theft locking system - Google Patents
Coil-type anti-theft antenna and anti-theft locking system Download PDFInfo
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- CN202977731U CN202977731U CN201220733683.8U CN201220733683U CN202977731U CN 202977731 U CN202977731 U CN 202977731U CN 201220733683 U CN201220733683 U CN 201220733683U CN 202977731 U CN202977731 U CN 202977731U
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Abstract
The utility model discloses a coil-type anti-theft antenna and an anti-theft locking system. the coil-type anti-theft antenna comprises a shell; the shell is provided with an annular main body into which an ignition key can be inserted, and an annular groove is arranged on the periphery of the annular main body; the shell is also provided with a contact mounting part extending from the annular main body; a first contact , a second contact and a third contact are formed in the contact mounting part; a wire for forming the anti-theft antenna is wound on the annular groove, and both ends of the wire are led out as the first input end and the second input end of the anti-theft antenna; the first input end and the second input end are respectively electrically connected onto the first contact and the second contact; the central part of the wire is led out as the third input end of the anti-theft antenna; and the third input is electrically connected onto the third contact. As the anti-theft antenna has three input ends and the three input ends can be combined in pairs to generate three signals, the anti-theft antenna disclosed by the utility model can enable three different keys to start a motor.
Description
Technical field
The utility model relate to a kind of for anti-theft locking system of engine the coil form anti-theft antenna and with the anti-theft locking system of this coil form anti-theft antenna.
Background technology
Along with the significantly increase of automobile quantity, the mutual opening rate of automobile door lock has become very important problem, and the anti-theft of automobile is reduced.In order to guarantee the theftproof performance of automobile, the automaker has developed anti-theft locking system of engine.
The operation principle of typical engine is as follows, and the password transponder is housed in the automotive ignition key, and each key has fixing ID, and when only having the ID of key consistent with the ID of engine, automobile could start.If inconsistent, automobile can cut off circuit, and engine can't be lighted a fire.
Specifically, except the password transponder, for example a kind of representative engine anti-theft locking system described in CN101439703 also comprises antitheft coil, antitheft base station and engine control module.When the driver rotates key when starting vehicle, base station emission low frequency signal begins verification process.The key end transponder obtains work capacity by described low frequency signal, then the ID of transponder is sent to antitheft base station.The ID of base station checking transponder, if the verification passes, communicate by letter with engine control module in antitheft base station, by the engine control module ato unit.
Fig. 1 illustrates a kind of existing anti-theft antenna 100, it comprises housing 110, described housing 110 has firing key can insert wherein circumferential body 111, described circumferential body 111 has cannelure on periphery, described housing 110 also has the contact installation portion 120 that extends out from described circumferential body 111.
With reference to figure 2, the wire 130 that is used to form described anti-theft antenna is wrapped on described cannelure simultaneously, and draw respectively as the first input end 121 of anti-theft antenna and the second input 122 at the two ends of described wire; Described first input end 121 and the second input 122 are electrically connected to respectively the first contact 131 and the second contact 132 that is formed on described contact installation portion.
Thus, two of above-mentioned anti-theft antenna inputs can provide a signal.An obvious signal means to have the key can ato unit.
From the anti-theft antenna of prior art usually only for a signal thereby can only allow the situation of a key ato unit different be, inventor of the present utility model has expected other applicable cases, for example, the member of one family can have different keys separately, and all can start same vehicle.In the time of this, obviously the anti-theft antenna of prior art is just no longer applicable.
The utility model content
For this potential valuable new application, the anti-theft locking system that the utility model proposes a kind of coil form anti-theft antenna and comprise this coil form anti-theft antenna can allow three different keys come ato unit.。
According to a kind of embodiment of the present utility model, a kind of coil form anti-theft antenna for anti-theft locking system of engine is provided, comprising:
Housing, described housing have firing key can insert wherein circumferential body, and described circumferential body has cannelure on periphery, and described housing also has from the contact installation portion that described circumferential body extends out;
First, second, and third contact is formed on described contact installation portion; And
The wire that is used to form described anti-theft antenna is wrapped on described cannelure, and draw respectively at the two ends of described wire, as first input end and second input of anti-theft antenna; Described first input end and the second input are electrically connected to respectively the first contact and the second contact that is formed on described contact installation portion;
Wherein, the mid portion of described wire is drawn, and as the 3rd input of anti-theft antenna, described the 3rd input is electrically connected to the 3rd contact that is formed on described contact installation portion.
In above-mentioned coil form anti-theft antenna, described the first, the 3rd, second contact is along circumferentially being formed on successively on the installation portion of described contact.
Above-mentioned coil form anti-theft antenna comprises that also first, second, third holds together line section, described first, second, third holds together line section is formed on described housing, and corresponding with described first, second, third contact respectively, contact with first input end, the second input and the 3rd input of the wire that prevents from being electrically connected to described first, second, third contact.
In above-mentioned coil form anti-theft antenna, comprise that also first, second, third holds together line section, described first, second, third holds together line section is formed on described housing, and corresponding with described first, second, third contact respectively, contact with first input end, the second input and the 3rd input of the wire that prevents from being electrically connected to described first, second, third contact.
In above-mentioned coil form anti-theft antenna, the described the 3rd to hold together line section be T-shaped structure, and the recessed portion that the 3rd input of described wire sticks to the both sides of described T-shaped structure is connected to described the 3rd contact.
In above-mentioned coil form anti-theft antenna, described housing also comprises the antenna fixed part, and described antenna fixed part extends perpendicular to the plane at described circumferential body place, is used for fixing described antenna.
In above-mentioned coil form anti-theft antenna, described housing also comprises the antenna Plug Division, and described antenna Plug Division allows described housing to be inserted in the means of transportation that uses described antenna.
In above-mentioned coil form anti-theft antenna, described circumferential body, contact installation portion, described antenna fixed part and described Plug Division are formed as one.
In above-mentioned coil form anti-theft antenna, described the 3rd input of described wire and the distance between described first input end are different from the distance between described the 3rd input and described the second input.The utility model also proposes a kind of anti-theft locking system with the coil form anti-theft antenna described in above-mentioned arbitrary embodiment.
Because anti-theft antenna of the present utility model has three inputs, these three inputs can make up in twos and produce three signals, and therefore anti-theft antenna of the present utility model and anti-theft locking system can allow three different keys come ato unit.
Description of drawings
Fig. 1 is the schematic perspective view that a kind of anti-theft antenna of prior art is shown.
Fig. 2 is the enlarged drawing that the part of anti-theft antenna shown in Figure 1 is shown.
Fig. 3 is the fluid schematic that illustrates according to the coil form anti-theft antenna of an embodiment of the present utility model.
Fig. 4 is the enlarged drawing that the part of coil form anti-theft antenna shown in Figure 3 is shown.
Embodiment
With reference to figure 3 and Fig. 4, a kind of coil form anti-theft antenna 200 for anti-theft locking system of engine of the present utility model comprises simultaneously:
The wire 230 that is used to form described anti-theft antenna is wrapped on described cannelure, and draw respectively at the two ends of described wire, as first input end 231 and second input 232 of anti-theft antenna; Described first input end and the second input are electrically connected to respectively the first contact 221 and the second contact 222 that is formed on described contact installation portion 220; Wherein said the first contact 221 and the second contact 222 are the column of radially outward stretching out with respect to described circumferential body 211, and the two ends of described wire 230 are wrapped in respectively on two contacts of column, make wire two ends form reliable the electrical connection with the contact.
The mid portion of wherein said wire 230 is drawn, and as the 3rd input 233 of anti-theft antenna, described the 3rd input 233 is electrically connected to the 3rd contact 223 that is formed on described contact installation portion.Similar with the first contact 221 and the second contact 222, the 3rd contact 223 is the column of radially outward stretching out with respect to described circumferential body 211 equally, the 3rd input 233 of wire 230 is wrapped on the contact 223 of column, makes the 3rd input 233 of wire be electrically connected to reliably with the 3rd contact 223 formation.According to an example of the present utility model, described wire 230 is different from the distance of described wire 230 between described the 3rd input 233 and described the second input 232 in the distance between described the 3rd input 233 and described first input end 231.
Owing to having three inputs, anti-theft antenna of the present utility model can be selected any two from these three inputs signal is provided, amount to like this three kinds of signal supplying formulas, namely, signal by first input end 231 and the second input 232 provide, signal provides by first input end 231 and the 3rd input 233, and signal is provided by the second input 232 and the 3rd input 233.
Thus, by select two from above-mentioned three inputs, anti-theft antenna of the present utility model can have three kinds of signal supplying formulas, and allows three different keys to start same vehicle.
As shown in Figure 4, preferably, described the first, the 3rd, second contact 221,223,222 is along circumferentially being formed on successively on described contact installation portion 220, that is, along the circumferential direction of circumferential body, the first and second contacts 221,222 are positioned at the outside of the 3rd contact 223.
Preferably, described contact installation portion 220 has with described first, second, third contact 221,222,223 corresponding first, second, third and holds together line section 225,226,227, is in contact with one another with the first input end 231 of the wire that prevents from being electrically connected to described first, second, third contact and the second input 232 and the 3rd input 233.
Preferably, described first and second hold together line section 225,226 is the Γ type structure towards the outside, and the first input end 231 of described wire and the second input 232 the 3rd input 233 of the hollow space by described Γ type structure respectively are connected to described the first and second contacts 221,222.As shown in Figure 4, block wire by two limits with Γ type structure, the end that is wrapped in the wire on cannelure is sticked to holding together in line section, and eliminate due to the risk that is not intended to touch other conductor part.
Preferably, the described the 3rd holds together line section 227 is T-shaped structure, and the recessed portion that the 3rd input 233 of described wire sticks to the both sides of described T-shaped structure is connected to described the 3rd contact 223.Especially, by allowing two section 2331 of the 3rd input and 2332 of wire to intersect, then around the both sides of pressing close to described T-shaped structure, can allow the position of the 3rd input 233 of wire substantially fixing.Thereby eliminate the risk that is not intended to touch other conductor part.
Preferably, housing 210 also comprises antenna fixed part 240, and described antenna fixed part 240 extends perpendicular to the plane at described circumferential body place, is used for fixing described antenna 200.Specifically, described antenna fixed part 240 has through hole 241, and it allows screw or pin to pass through and fixed antenna fixed part 240.
Preferably, described housing 210 also comprises antenna Plug Division 250, and described antenna Plug Division 250 allows described housings 210 to be inserted in the means of transportation that uses described antenna.
Preferably, described circumferential body 211, contact installation portion 220, described antenna fixed part 240, and described Plug Division 250 is formed as one.
In addition, by using disclosed coil form anti-theft antenna in above-described embodiment, the utility model can provide a kind of new anti-theft locking system of engine, and this system allows three different key ato units.
Although described the utility model in conjunction with specific embodiment, should be appreciated that, those skilled in the art can in the situation that do not depart from spirit and scope of the present utility model, carry out the change of various forms and details to above-described embodiment.
Claims (10)
1. coil form anti-theft antenna that is used for anti-theft locking system of engine comprises:
Housing, described housing have firing key can insert wherein circumferential body, and described circumferential body has cannelure on periphery; Described housing also has from the contact installation portion that described circumferential body extends out;
First, second, and third contact is formed on described contact installation portion; And
The wire that is used to form described anti-theft antenna is wrapped on described cannelure, and draw respectively at the two ends of described wire, as first input end and second input of anti-theft antenna; Described first input end and the second input are electrically connected to respectively described the first contact and described the second contact;
It is characterized in that, the mid portion of described wire is drawn, and as the 3rd input of anti-theft antenna, described the 3rd input is electrically connected to described the 3rd contact.
2. coil form anti-theft antenna according to claim 1, is characterized in that, described the first, the 3rd, second contact is along circumferentially being formed on successively on the installation portion of described contact.
3. coil form anti-theft antenna according to claim 2, it is characterized in that, comprise that also first, second, third holds together line section, described first, second, third holds together line section is formed on described housing, and corresponding with described first, second, third contact respectively, contact with first input end, the second input and the 3rd input of the wire that prevents from being electrically connected to described first, second, third contact.
4. coil form anti-theft antenna according to claim 3, it is characterized in that, described first and second hold together line section is the Γ type structure towards the outside, and the first input end of described wire and the second input are connected to described the first and second contacts by the hollow space of described Γ type structure respectively.
5. coil form anti-theft antenna according to claim 3, is characterized in that, the described the 3rd to hold together line section be T-shaped structure, and the recessed portion that the 3rd input of described wire sticks to the both sides of described T-shaped structure is connected to described the 3rd contact.
6. coil form anti-theft antenna according to claim 1, is characterized in that, described housing also comprises the antenna fixed part, and described antenna fixed part extends perpendicular to the plane at described circumferential body place, is used for fixing described antenna.
7. coil form anti-theft antenna according to claim 1, is characterized in that, described housing also comprises the antenna Plug Division, and described antenna Plug Division allows described housing to be inserted in the means of transportation that uses described antenna.
8. coil form anti-theft antenna according to claim 1, is characterized in that, described circumferential body, contact installation portion, described antenna fixed part and described Plug Division are formed as one.
9. coil form anti-theft antenna according to claim 1, is characterized in that, described the 3rd input of described wire and the distance between described first input end are different from the distance between described the 3rd input and described the second input.
10. an anti-theft locking system, is characterized in that, comprises arbitrary described coil form anti-theft antenna according to claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220733683.8U CN202977731U (en) | 2012-12-27 | 2012-12-27 | Coil-type anti-theft antenna and anti-theft locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220733683.8U CN202977731U (en) | 2012-12-27 | 2012-12-27 | Coil-type anti-theft antenna and anti-theft locking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977731U true CN202977731U (en) | 2013-06-05 |
Family
ID=48518765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220733683.8U Expired - Fee Related CN202977731U (en) | 2012-12-27 | 2012-12-27 | Coil-type anti-theft antenna and anti-theft locking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977731U (en) |
-
2012
- 2012-12-27 CN CN201220733683.8U patent/CN202977731U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20171227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |