CN206022590U - A kind of loss prevention alerts antenna - Google Patents
A kind of loss prevention alerts antenna Download PDFInfo
- Publication number
- CN206022590U CN206022590U CN201621025574.5U CN201621025574U CN206022590U CN 206022590 U CN206022590 U CN 206022590U CN 201621025574 U CN201621025574 U CN 201621025574U CN 206022590 U CN206022590 U CN 206022590U
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- Prior art keywords
- antenna
- circuit
- damage
- loss prevention
- proof device
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Abstract
A kind of loss prevention alarm antenna designed by this utility model, including antenna body, damage-proof device and antenna casing, the antenna body and damage-proof device are in antenna casing, antenna body is by antenna terminal, cable, active circuit and passive antenna are sequentially connected in series, the passive antenna constitutes active antenna (i.e. communication module) with active circuit, described damage-proof device is in parallel with active antenna, the damage-proof device includes isolation circuit, sensor and coding circuit, after antenna is damaged, the input current of antenna terminal changes, exceed normal range of operation, main frame detects warning signal according to curent change, and according to the scope for exceeding, identify fault type and species.
Description
Technical field
This utility model is related to car antenna technical field.Specifically related to a kind of loss prevention alerts antenna, is mainly used in car
Carry mobile terminal or Related product.
Background technology
With developing rapidly for auto industry in recent years, car antenna via originally simple AM/FM antennas, is developed into
The combination of multiple antennas such as 4G antennas, WiFi antennas, gps antenna, AM/FM antennas, DSRC antennas, and by simple passive antenna
Active antenna is developed into, an automobile is popularized for 4～5 antennas very much.In these antenna much comprising sensitive circuit,
Cable, joint, antenna inherently Sensitive Apparatuses, the change of surrounding objects, the damage of shell and disappearance, inner antenna water inlet or
Drench with rain, the damage of cable, the loose contact of joint, any one whole onboard system that may all affect that breaks down；Send out in time
Now and positioning failure, be conducive to quick reparation, save maintenance cost.
Existing car antenna, seldom has autognostic ability, and after breaking down, whole system is affected, it is difficult to
Judge rapidly antenna failure or hostdown, vehicle is sent to special maintaining unit, professional is asked to vehicle
Carry out disassembling, diagnose, keeped in repair after determining trouble location again, disassemble and install to search trouble point and will carrying out sometimes many places
Recovery operation, both wasted time and energy.The loss prevention warning technology of antenna always perplexs a difficult problem for industry.
Utility model content
In order to solve the above problems, for existing antenna have autognostic ability or autognostic ability less lack
Fall into, this utility model provides a kind of diagnosis that can be used in antenna, antenna condition is provided to host computer system feedback, be easy in time
It was found that the loss prevention alarm antenna of antenna failure, confirmation trouble location and fault type.
In order to achieve the above object, a kind of loss prevention alarm antenna designed by this utility model, including antenna body, loss prevention
, in antenna casing, antenna body is by antenna terminal, cable for device and antenna casing, the antenna body and damage-proof device
Line, active circuit and passive antenna composition, signal sequentially pass through antenna terminal, cable, active circuit and passive antenna.Described
Passive antenna and active circuit constitute active antenna (i.e. communication module), the damage-proof device include isolation circuit, sensor and
Coding circuit, described damage-proof device are connected to passive antenna and active circuit two ends, after antenna is damaged, antenna terminal defeated
Enter electric current to change, more than normal range of operation, main frame detects warning signal according to curent change, and according to the model for exceeding
Enclose, identify fault type and species.Isolation circuit that the damage-proof device includes avoiding having undesirable effect antenna performance,
The sensor detected by various possible breakdowns and the coding circuit three series connection encoded by failure.
Further technical scheme is, in order to antenna casing reliability loss prevention alarm, described loss prevention are realized in multiposition detection
Include the loss prevention detection circuit of multigroup sensor and coding circuit composition in device, between multigroup loss prevention detection circuit mutually simultaneously
Connection, multiple sensors constitute a sensing module, and the sensor can select polytype sensor, realize multisensor
Combination, is the further expansion of the function of single-sensor.
Further technical scheme is, the cable being provided with the antenna casing is many, every cable all can
With a damage-proof device, the failures such as the joint open circuit of corresponding cable and joint, short circuit, loose contact are detected；
Detection to antenna casing damage, disappearance or improper opening, the damage-proof device that can be equipped with by wherein one or more cables
Complete.
Preferably, the isolation circuit being provided with the damage-proof device is distributed inductance circuit or low pass inductive circuit.
Preferably, the sensor includes light sensor or/and microswitch.
Preferably, using detection Antenna Operation current methods, the cable and joint to active antenna is breaking, short
The failures such as road, loose contact carry out detection alarm；For passive antenna, load is set up in antenna end, it is possible to constitute active day
Line.
Further, described coding circuit is in the form of multigroup resistor coupled in parallel.
Preferably, the malfunction coding adopts the different sensors of current mode coded system, same cable line input to adopt
With the circuit of different cut-off currents, different according to failure, cable input current is distributed in different scopes, and main frame is according to antenna electric
Cable current range, failure judgement type and species.
In sum, the beneficial effect and advantage of the loss prevention alarm antenna designed by this utility model is：
(1) damage-proof device is set on loss prevention of the present utility model alarm antenna, after antenna is damaged, antenna terminal defeated
Enter electric current to change, more than normal range of operation, main frame detects warning signal according to curent change；
(2) loss prevention alarm antenna of the present utility model not only detects short circuit, open fault, and detects that the shell of antenna is damaged
Bad；
(3) loss prevention of the present utility model alarm antenna pair failure carries out sorting code number, different faults, and curent change scope is not
Same, it is easy to main frame preferably to recognize fault type and fault location；
(4) in addition employing current mode detection mode of the present utility model, do not increase cable, and strong anti-interference performance is beneficial to
Reduces cost, it is easy to produce and improves system reliability.
Description of the drawings
Fig. 1 is the structural representation of this utility model design.
Fig. 2 is the functional block diagram of this utility model design.
Specific embodiment
Accompanying drawing is combined below by embodiment, and the utility model will be further described.
Embodiment 1.
The purpose of this utility model is to overcome limitation of the prior art, designs a kind of loss prevention and alerts antenna.For saying
The bright technical scheme being embodied as.For simplest passive antenna product, load active circuit is set up in antenna end, composition has
Source antenna, realize to detect cable and joint joint open circuit, short circuit, the detection of the failure such as loose contact.With reference to
Drawings and Examples are described in detail to the loss prevention alarm antenna of active antenna, no longer individually describe the alarm side of passive antenna
Case.
As shown in Figure 1 and Figure 2, a kind of loss prevention alarm antenna of the present embodiment description, including antenna body, damage-proof device and
Antenna casing, the antenna body and damage-proof device in the antenna casing, antenna body by antenna terminal 6, cable 7,
Active circuit 2 and passive antenna 1 are constituted, and signal sequentially passes through antenna terminal 6, cable 7, active circuit 2 and passive antenna 1；
The passive antenna 1 constitutes active antenna (i.e. communication module) with active circuit 2, and the damage-proof device includes isolation circuit 3, passes
Sensor 4 and coding circuit 5, described damage-proof device are connected to 2 two ends of passive antenna 1 and active circuit.
Include the loss prevention detection circuit of multigroup sensor 4 and the composition of coding circuit 5, Duo Zufang in described damage-proof device
Parallel with one another between damage detection circuit, multiple sensors 4 constitute a sensing module, and the sensor 4 can select polytype
Sensor, realize the combination of multisensor, be the further expansion of the function of single-sensor.
The cable 7 being provided with the antenna casing is many, and every cable 7 mates a damage-proof device
The isolation circuit 3 being provided with the damage-proof device is distributed inductance circuit or low pass inductive circuit, for realizing penetrating
Frequency signal isolation, to avoid damage-proof device from having undesirable effect antenna performance.
The sensor 4 includes light sensor or/and microswitch, and light sensor is light sensitive diode, it is also possible to
For phototriode.
Described coding circuit 5 realizes current mode binary coding or single group coding electricity in the form of multigroup resistor coupled in parallel
The form of road series connection.
Realize, to antenna casing damage, cable and joint open circuit, the detection of short trouble, failure being carried out classification and being gone forward side by side
After row analog code, the warning information that antenna is damaged is fed back on-vehicle host in time, be easy to main frame discriminatory analysiss, confirm failure portion
Position and fault type, with detection comprehensively, low cost, take up room little, little is affected on antenna performance many advantages, such as.
Ultimate principle of the present utility model, principal character and advantage is had been shown and described above, is only this utility model day
Line implement preferable examples, not do any restriction to technical scope, it should be understood by those skilled in the art that, every according to
Any trickle amendment, equivalent variations and the modification that above example is done according to technical spirit of the present utility model, still falls within this
The technical scheme scope of utility model.
Claims (6)
1. a kind of loss prevention alerts antenna, including antenna body, damage-proof device and antenna casing, it is characterized in that the antenna body and
, in antenna casing, antenna body is by antenna terminal (6), cable (7), active circuit (2) and passive day for damage-proof device
Line (1) is constituted, and signal sequentially passes through antenna terminal (6), cable (7), active circuit (2) and passive antenna (1), and described is anti-
Damage device is connected to passive antenna (1) and active circuit (2) two ends, and the damage-proof device includes isolation circuit (3), sensor
(4) connect with coding circuit (5) three.
2. loss prevention according to claim 1 alerts antenna, it is characterized in that including multigroup sensing in described damage-proof device
The loss prevention detection circuit that device (4) and coding circuit (5) are constituted, parallel with one another, multiple sensors between multigroup loss prevention detection circuit
(4) sensing module is constituted.
3. loss prevention according to claim 1 alerts antenna, it is characterized in that the cable (7) being provided with the antenna casing is
Many, every cable (7) mates a damage-proof device.
4. loss prevention according to claim 1 alerts antenna, it is characterized in that the isolation circuit (3) for distributed inductance circuit or
Low pass inductive circuit.
5. loss prevention according to claim 1 alerts antenna, it is characterized in that the sensor (4) include light sensor or/
And microswitch.
6. loss prevention according to claim 1 alerts antenna, it is characterized in that described coding circuit (5) using multigroup resistance simultaneously
The form of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025574.5U CN206022590U (en) | 2016-08-30 | 2016-08-30 | A kind of loss prevention alerts antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025574.5U CN206022590U (en) | 2016-08-30 | 2016-08-30 | A kind of loss prevention alerts antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206022590U true CN206022590U (en) | 2017-03-15 |
Family
ID=58258478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025574.5U Expired - Fee Related CN206022590U (en) | 2016-08-30 | 2016-08-30 | A kind of loss prevention alerts antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206022590U (en) |
-
2016
- 2016-08-30 CN CN201621025574.5U patent/CN206022590U/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 | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Jiaxing City, Zhejiang province 314100 Jiashan County town of Jiashan Dayun Road No. 1897 Patentee after: ZHEJIANG JINYICHANG TECHNOLOGY CO.,LTD. Address before: 314100 Jiashan Road, Jiashan, Zhejiang, No. 1897, No. Patentee before: JIASHAN JINCHANG ELECTRONICS CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20210830 |