CN2629357Y - Automatic telescopic antenna apparatus for mobile station - Google Patents
Automatic telescopic antenna apparatus for mobile station Download PDFInfo
- Publication number
- CN2629357Y CN2629357Y CN 02256533 CN02256533U CN2629357Y CN 2629357 Y CN2629357 Y CN 2629357Y CN 02256533 CN02256533 CN 02256533 CN 02256533 U CN02256533 U CN 02256533U CN 2629357 Y CN2629357 Y CN 2629357Y
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- antenna
- travelling carriage
- utility
- micro motor
- model
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Abstract
The utility model discloses an automatic stretching antenna device used in the moving communication, comprising an antenna stretching and a guiding organ, a micro motor control element, an antenna matching circuit and feeding element and an antenna, wherein the output shaft, of the micro deceleration box driven by the micro motor of the antenna stretching and guiding organ, is provided with a drive wheel, around which a driven wheel that can rotate is positioned in the corresponding position of the drive wheel in the housing of the moving communication, and the two wheels clamp the primary body protection sleeve. A pinch wheel being adopted to to substitute the worm structure of the prior art, the utility model not only improves the efficiency, but also makes the antenna be firmly clamped between the drive wheel and the driven wheel. Therefore, the vertical moving is effectively prevented, which ensures the stretching feeding ring and the shrank feeding spring leaf can be connected reliably and stably, and thus ensuring the signal stability. Furthermore, the pinch wheel is of simple structure and can be easily processed and conveniently assembled, therefore the utility model is economic and practical.
Description
Technical field
The utility model relates to the mobile communications device of the automatically retractable antenna in the transport communication of a kind of telecommunication field, particularly relate to the further antenna assembly of the automatically retractable of improvement of a kind of antenna part at mobile communications device, can be widely used in the workbench of moving communicating fields such as GSM/GPRS, CDMA, and the automatic telescopic antenna device that is used for travelling carriage with stronger practicality characteristics.
Background technology
Entered since the nineties in 20th century, it is ripe that the GSM technology tends to day by day, goes through improvement in the technology of the design part of existing GSM mobile portable antennas, no matter from appearance design still from technology own, the development of advancing by leaps and bounds has brought the continuous lifting of new technology.
The existing antenna system that is used for the GSM travelling carriage, the design of its antenna generally can be divided into fixed and telescopic.Mobile phone all has a whip antenna or helical aerials usually, the length of this antenna be generally this mobile phone operating frequency wavelength 1/4 or 3/4.For the EGSM/DCS phone in the present commercialization, the length of 1/4 wavelength is approximately 80 millimeters or 40 millimeters.If such whip antenna often is exposed to the outside of mobile station apparatus, in actual use, carry inconvenience, and easily impaired; On the other hand, the physical length of helical aerials is short, though can avoid the inconvenience used, because of its physical length short, therefore, with whip antenna relatively, the efficient of helical aerials is low.In addition, owing to compare with whip antenna, the performance of helical aerials when communication is poor, therefore, wishes that the physical length of antenna is long, as whip antenna.
Based on more than, developed whip antenna and helical aerials combined, utilize the advantage of these two kinds of version antennas to design a kind of telescopic antenna.United States Patent (USP) NO.5,497,506 have announced a kind of a kind of device that is stretched by driven by motor worm screw control antenna.Mainly comprise a micromachine, a worm screw, the whip antenna of a band nut etc.When mobile phone when call accepted is prepared in standby, above-mentioned whip antenna can this mobile phone housing of indentation in.When communication was set up, in order to improve communication quality, the rotation of minitype motor driving worm screw was released this whip antenna from the housing of this mobile phone fully.Behind the sign off, the housing of mobile phone is regained this whip antenna in the reverse rotation of minitype motor driving worm screw.Yet the shortcoming of this structure maximum is that the sliding-frictional resistance of worm structure is big, therefore to the torque demand of micromachine than higher, efficient is lower.
This shows that the antenna system of above-mentioned existing GSM travelling carriage still has many defectives, and the assistant officer treats further to be improved.
The problem that exists for the antenna system that solves existing GSM travelling carriage, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that the above-mentioned existing antenna system that is used for the GSM travelling carriage exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of automatic telescopic antenna system that is applied to travelling carriage of new structure, can improve the general existing on the market conventional antenna structure that is applied to travelling carriage, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
The utility model content
Main purpose of the present utility model is, overcome the defective of existing application in the antenna system existence of GSM travelling carriage, and provide a kind of automatic telescopic antenna device that is used for travelling carriage of new structure, technical problem underlying to be solved is to make it be provided with the automatic telescopic antenna of the pressure roller structure of being controlled by micro motor, and have easier operation, and the stronger good effect of stability.
The purpose of this utility model and solve its technical problem underlying and realize by the following technical solutions.According to the automatic telescopic antenna device that is used for travelling carriage that the utility model proposes; comprise antenna flexible and guiding mechanism, micro motor control unit, antenna-matching circuit and feed element and antenna; wherein be equiped with a driving wheel on the output shaft of the miniature reduction box that drives of the micro motor in the flexible and guiding mechanism of antenna; in the travelling carriage housing, be provided with a follower that can rotate around its central shaft, and clamp the main body protection sleeve of antenna with driving wheel with this driving wheel corresponding position.
The aforesaid automatic telescopic antenna device that is used for travelling carriage, the rotating speed of wherein said micro motor is about 20000 rev/mins, and operating current is in 100mA; The speed ratio of used miniature reducer is about 1/25.
The aforesaid automatic telescopic antenna device that is used for travelling carriage, the material of wherein said driving wheel and follower is resin.
The utility model compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known,, not only improved efficient, and its antenna is clipped between driving wheel and the follower firmly and has been lockable because the utility model adopts pressure roller structure to replace worm structure of the prior art.Like this, prevented that effectively antenna from moving up and down, guaranteed to shrink electric feedback ring and reliable and stable being connected of contraction state feed reed energy, thereby guaranteed the stability of signal.Pressure roller structure is simple in addition, handling ease, and simple installation, therefore very economical and practical.
In sum, the automatic telescopic antenna device that is used for travelling carriage of the utility model special construction, have above-mentioned advantage and practical value, and in like product, do not see have similar structural design to publish or use, no matter and its structurally or bigger improvement is all arranged on the function, have large improvement technically, and produced handy and practical effect, and have the effect of enhancement really, thus be suitable for practicality more, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the operation principle schematic diagram of the utility model automatic telescopic antenna device of being used for travelling carriage.
Fig. 2 is the structural profile schematic diagram of the utility model automatic telescopic antenna device of being used for travelling carriage.
Among the figure:
4-antenna 11-pilot sleeve 13-micro motor
The miniature reduction box 15-of 14-driving wheel 16-follower
17-brake baffle 32-contraction state feed reed
The whiplike radiant body of 33-extended mode feed reed 41-spiral radiation body 42-
43-antenna protection cover 44-contraction state electric feedback ring
45-extended mode electric feedback ring 46-main body protection sleeve 47-braking ring
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to according to its embodiment of the automatic telescopic antenna device that is used for travelling carriage, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
See also Fig. 1, shown in Figure 2, the utility model is used for the automatic telescopic antenna device of travelling carriage, comprises antenna flexible and guiding mechanism, micro motor control unit, antenna-matching circuit and feed element and antenna, wherein:
The flexible guiding mechanism that reaches of above-mentioned antenna comprises pilot sleeve 11, micro motor 13, miniature reduction box 14, driving wheel 15, follower 16, brake baffle 17, wherein:
Micro motor 13 adopts general micro motor, and rotating speed is about 20000 rev/mins, and operating current is used to provide the power of control antenna 4 liftings in 100mA.What adoptable micro motor had Japan thinking motor, Taiwan builds alignment motor or the like.
Driving wheel 15 adopts resinae to make, and is connected with the rotating shaft of miniature reduction box 14, plays friction main body protection sleeve 46 and makes antenna 4 do straight line (lifting) motion.
Brake baffle 17, the barrier structure that adopts resinae to make cooperates with braking ring 47 to prevent that antenna 4 from going out housing under situation out of control.
Above-mentioned micro motor control unit comprises micro motor control circuit, control unit circuit interface, wherein:
Motor control circuit is used to the circuit of controlling micro motor 13 work (forward and backward), braking.
The control unit circuit interface is used for connecting with master controller, works to introduce control signal and output feedback signal.
Above-mentioned antenna-matching circuit and feed element comprise antenna-matching circuit, contraction state feed reed, extended mode feed reed and feed input interface, wherein:
Antenna-matching circuit for containing the PCB (circuit board) of two inverted L shapes or ∏ type match circuit, plays Antenna Impedance Matching and fixes, connects the antenna-matching circuit and the feed element set of data.
Contraction state feed reed 32, for being fixed in the copper reed on the PCB, when being used for whiplike radiant body 42 indentation housings with radiofrequency signal feedback and contraction state electric feedback ring 44.
Extended mode feed reed 33, for being fixed in the copper reed on the PCB, when being used for whiplike radiant body 42 and stretching out housing with radiofrequency signal feedback and extended mode electric feedback ring 45.
The feed input interface for being fixed in BNC or other radio frequency interfaces on the PCB, being used for radio-frequency transmission line such as coaxial cable and linking to each other.
Above-mentioned antenna comprises spiral radiation body 41, whiplike radiant body 42, antenna protection cover 43, contraction state electric feedback ring 44, extended mode electric feedback ring 45, main body protection sleeve 46 and braking ring 47, wherein:
Whiplike radiant body 42, the rod shaped structure that adopts memorial alloy to manufacture works to strengthen antenna integral radiation ability when stretching out housing.
Contraction state electric feedback ring 44, the collar that adopts metal to manufacture is positioned at the joint portion of spiral radiation body 41 and whiplike radiant body 42, when whiplike radiant body 42 indentation housings as the radio-frequency feed unit of antenna.
Extended mode electric feedback ring 45 with the collar that metal is manufactured, is positioned at the joint portion of whiplike radiant body 42 and braking ring 47, when whiplike radiant body 42 stretches out housing as the radio-frequency feed unit of antenna.
Main body protection sleeve 46 with the tube-in-tube structure that resinae is manufactured, plays the whiplike radiant body 42 of protection.Simultaneously by realizing the lifting of antenna 4 with the rubbing action of driving wheel 15, follower 16.
Braking ring 47 adopts the flat chip architecture of manufacturing with resinae, is positioned at the end of antenna 4, cooperates with brake baffle 17 to prevent that antenna 4 from going out housing under situation out of control.
See also shown in Figure 1ly, existing operative scenario with the antenna in the utility model 4 specifies as follows.When being in holding state, in the whiplike radiant body 42 indentation travelling carriage housings of antenna 4, being exposed at the outer spiral radiation body 41 of travelling carriage housing and playing effect with base station communication; Antenna 4 is connected with contraction state feed reed 32 by contraction state electric feedback ring 44, finishes and being connected of travelling carriage radiofrequency signal.Meanwhile, driving wheel 15 firmly pins antenna 4 by frictional force under the cooperation of follower 16, prevents that it from moving up and down, and guarantees contraction state electric feedback ring 44 and 32 reliable and stable being connected of contraction state feed reed, thereby guarantees the stability of signal; When communication is set up, in order to improve communication quality, micro motor 13 is under the control of micro motor control circuit, drive driving wheel 15 by miniature reduction box 14, driving wheel 15 is done rectilinear motion by the frictional force crushing clamp at the antenna 4 in the middle of them under the cooperation of follower 16, whiplike radiant body 42 parts of antenna 4 are released the travelling carriage housing, and frictional force is firmly pinned sky 4, antenna 4 is connected with extended mode feed reed 33 by extended mode electric feedback ring 45, at this moment, because the effect of whiplike radiant body 42, signal is enhanced; Behind sign off, micro motor 13 reverse rotation under the control of micro motor control circuit, drive driving wheel 15 by miniature reduction box 14, driving wheel 15 is done rectilinear motion by the frictional force crushing clamp at the antenna 4 in the middle of them under the cooperation of follower 16, whiplike radiant body 42 parts of antenna 4 are regained the travelling carriage housing, and frictional force is firmly pinned antenna 4, antenna 4 is connected with contraction state feed reed 32 by contraction state electric feedback ring 44, spiral radiation body 41 works, and whole operating state is finished.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified to the equivalent embodiment of equivalent variations, but every technical solutions of the utility model content that do not break away from,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (3)
1, a kind of automatic telescopic antenna device that is used for travelling carriage; comprise antenna flexible and guiding mechanism, micro motor control unit, antenna-matching circuit and feed element and antenna (4); it is characterized in that: be equiped with a driving wheel (15) on the output shaft of the miniature reduction box (14) that the flexible micro motor (13) that reaches in the guiding mechanism of antenna drives; in the travelling carriage housing, be provided with a follower (16) that can rotate around its central shaft, and clamp the main body protection sleeve (46) of antenna (4) with driving wheel (15) with this driving wheel corresponding position.
2, the automatic telescopic antenna device that is used for travelling carriage according to claim 1 is characterized in that: the rotating speed of described micro motor (13) is about 20000 rev/mins, and operating current is in 100mA; The speed ratio of used miniature reducer (14) is about 1/25.
3, the automatic telescopic antenna device that is used for travelling carriage according to claim 1 and 2 is characterized in that: the material of described driving wheel (15) and follower (16) is resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02256533 CN2629357Y (en) | 2002-09-20 | 2002-09-20 | Automatic telescopic antenna apparatus for mobile station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02256533 CN2629357Y (en) | 2002-09-20 | 2002-09-20 | Automatic telescopic antenna apparatus for mobile station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2629357Y true CN2629357Y (en) | 2004-07-28 |
Family
ID=34238329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02256533 Expired - Lifetime CN2629357Y (en) | 2002-09-20 | 2002-09-20 | Automatic telescopic antenna apparatus for mobile station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2629357Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013071708A1 (en) * | 2011-11-18 | 2013-05-23 | 中兴通讯股份有限公司 | Antenna device and terminal |
| CN105939408A (en) * | 2016-05-30 | 2016-09-14 | 芜湖辉灿电子科技有限公司 | Mobile phone for enhancing communication performance |
| CN105958171A (en) * | 2016-06-08 | 2016-09-21 | 江苏理工学院 | Cooperative communication technology-based automatic telescopic antenna of mobile station |
-
2002
- 2002-09-20 CN CN 02256533 patent/CN2629357Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013071708A1 (en) * | 2011-11-18 | 2013-05-23 | 中兴通讯股份有限公司 | Antenna device and terminal |
| CN105939408A (en) * | 2016-05-30 | 2016-09-14 | 芜湖辉灿电子科技有限公司 | Mobile phone for enhancing communication performance |
| CN105958171A (en) * | 2016-06-08 | 2016-09-21 | 江苏理工学院 | Cooperative communication technology-based automatic telescopic antenna of mobile station |
| CN105958171B (en) * | 2016-06-08 | 2019-01-25 | 江苏理工学院 | Mobile station automatic telescopic antenna based on cooperative communication technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20120920 Granted publication date: 20040728 |