CN202839962U - Flexible antenna apparatus - Google Patents
Flexible antenna apparatus Download PDFInfo
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- CN202839962U CN202839962U CN 201220397348 CN201220397348U CN202839962U CN 202839962 U CN202839962 U CN 202839962U CN 201220397348 CN201220397348 CN 201220397348 CN 201220397348 U CN201220397348 U CN 201220397348U CN 202839962 U CN202839962 U CN 202839962U
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- helical coil
- antenna
- wireless device
- connector
- coil section
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Abstract
The utility model relates to a flexible antenna apparatus which comprises a flexible antenna unit and a bottom unit connected with the flexible antenna unit. The bottom unit comprises a connector and a coupling coil. The coupling coil comprises a first spiral coil segment and a second spiral coil segment, wherein the first spiral coil segment is sleeved on the flexible antenna unit to generate a coupling effect, and the second spiral coil segment connects the first spiral coil segment to the connector. The flexible antenna apparatus provided by the utility model effectively improves fatigue resistance of the coupling coil and allows the antenna unit not to be easily damaged during swinging or bending.
Description
Technical field
The utility model relates to communicator, more particularly, relates to a kind of antenna assembly.
Background technology
Such as communication terminals such as intercoms,, texture reliable for promoting or heat radiation, host housing adopts metal structure, and this metal structure has certain negative effect to the effect of antenna, satisfies the transmitting-receiving performance that needs to promote with coupling coil antenna.Although the coupling coil in the correlation technique can promote the transmitting-receiving performance of antenna to a certain extent, be difficult to adapt to the demand of flexible antennas.
The utility model content
The technical problems to be solved in the utility model is, for the above-mentioned deficiency in the correlation technique, provides a kind of improved antenna assembly.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of flexible wireless device, comprise flexible antennas unit and the base unit that links to each other with this flexible antennas unit, described base unit comprises connector and coupling coil; Described coupling coil comprises the first helical coil section and the second helical coil section, described the first helical coil section is sheathed on the described flexible antennas unit to produce coupling effect, and described the second helical coil section links to each other described the first helical coil section with described connector.
Preferably, the outer quilt of antenna that described flexible antennas unit comprises antenna wires and coats described antenna wires, described antenna wires is the nitinol alloy wire with memory characteristic.
Preferably, described antenna is outer to be the PVDF heat-shrink tube, and this antenna outer by on be formed with frosted layer.
Preferably, this flexible wireless device also comprises the strain relief unit; Described base unit is also wrapped insulator and antenna connecting line core, and described insulator plug is located in the connector, and described antenna connecting line core is arranged in the insulator; Described strain relief unit coats described base unit.
Preferably, described connector comprises the axially extending bore that plugs for described insulator, described connector comprises and is opened in the perforation on the sidewall and/or is formed at some double wedges that extend vertically on the outer side surface, and described perforation and/or double wedge match with described strain relief unit.
Preferably, the front end of described the second helical coil section and/or end tangentially are connected on described the first helical coil section and/or the described connector.
Preferably, described coupling coil comprises the triple helical coil segment, and described triple helical coil segment is socketed on the described connector, and the end of described the second helical coil section is connected on the described triple helical coil segment.
Preferably, the front end of described the second helical coil section is tangentially drawn from the end of described the first helical coil section, the terminal front end that tangentially accesses described triple helical coil segment.
Preferably, described coupling coil integral body twist, described the first helical coil section and described triple helical coil segment all are cylindric, and the internal diameter of described the first helical coil section is less than the internal diameter of described triple helical coil segment, and it is conical that described the second helical coil section is.
Preferably, described triple helical coil segment coaxially is sheathed on the peripheral or inner of described connector.
The beneficial effects of the utility model are: compare with correlation technique, owing to will link to each other with connector by the second helical coil section for generation of the first helical coil section of coupling effect, effectively promoted the endurance life of coupling coil, antenna element has been difficult for destroyed when waving or bend.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the combination schematic diagram of the flexible wireless device among some embodiment of the utility model;
Fig. 2 is the generalized section of the antenna element of the flexible wireless device among some embodiment of the utility model;
Fig. 3 is base unit and the strain relief unit combination solid assembling schematic diagram together of the flexible wireless device among some embodiment of the utility model;
Fig. 4 is the decomposing schematic representation of the base unit of the flexible wireless device among some embodiment of the utility model;
Fig. 5 is the generalized section of connector of the base unit of the flexible wireless device among some embodiment of the utility model;
Fig. 6 is the solid combination schematic diagram of the base unit of the flexible wireless device among some embodiment of the utility model;
Fig. 7 is the solid combination schematic diagram of the base unit of the flexible wireless device among other embodiment of the utility model.
Embodiment
Below in conjunction with specific embodiment and Figure of description the utility model is described in further details.
Fig. 1 shows the antenna assembly 1 among some embodiment of the utility model, and this antenna assembly 1 can be applicable to such as communication terminals such as intercoms, and is flexible wireless device.As shown in Figure 1, this antenna assembly 1 can comprise flexible antennas unit 10, base unit 20 and strain relief (Strain Relief) unit 30.Flexible antennas unit 10 is used for receiving and/or emitting electromagnetic wave, has good bending performance.Base unit 20 is connected in communication terminal (not shown) electrically for flexible antennas unit 10 is mechanically reached.Strain relief unit 30 is coated on the periphery of base unit 20 and 10 bottoms, flexible antennas unit, (for example can play protective action, waterproof and dustproof, anti-strain etc.), strain relief unit 30 also can play and reinforce being connected between flexible antennas unit 10 and the base unit 20 and between each parts of base unit 20; Strain relief unit 30 can adopt the flexible glue integrated injection molding in certain embodiments.Be appreciated that ground, antenna assembly 1 is not limited to double-frequency antenna unit, and single-frequency or multi-frequency antenna device also can be suitable for.
Fig. 2 is the generalized section of flexible antennas unit 10, it shows structure and the annexation of flexible antennas unit 10 each parts among some embodiment, as shown in Figure 2, this flexible antennas unit 10 is used for emission and/or receives low frequency and high-frequency signal, the signal tuning body 12 that it can comprise antenna body 11 and be sheathed on antenna body 11 tops.
Antenna is outer to be can be the PVDF(Kynoar in certain embodiments by 112) heat-shrink tube, the PVDF heat-shrink tube is held antenna wires 11 tightly after pyrocondensation, promote the toughness of antenna wires 111, possess the characteristics such as high reliability, high strength, high temperature resistant and rub resistance, thereby can be better be complementary with the flexible characteristic of antenna wires 111.In certain embodiments, owing to being the appearance surfaces of light after the pyrocondensation of PVDF heat-shrink tube, so that the whole impression of antenna body 11 is relatively poor, for this reason, also can be carried out frosted after 112 pyrocondensations and processed antenna is outer, antenna outside by frosted layer of outer surface formation of 112.Be appreciated that ground, antenna wires 111 also can adopt other the suitable materials beyond the nitinol alloy wire with memory characteristic to make, and antenna is outer also can be adopted PVDF heat-shrink tube other materials that are fit in addition to make by 112.
Signal tuning body 12 can be used in certain embodiments the emission of tuning flexible antennas unit 10 and/or receives electromagnetic function, the frequency that makes flexible antennas unit 10 launch and/or to receive is more accurate and adjustable, it comprises metal tube 121 and gum cover 122, metal tube 121 is sheathed on the top of antenna body 11, and contact with exposed antenna wires 111, metal tube 121 can be copper pipe in certain embodiments.Gum cover 122 is coated on the periphery of metal tube 121, is used for metal tube 121 is attached to the top of antenna body 11, and metal tube 121 is protected and isolated with external insulation.Be appreciated that ground, signal tuning body 12 is not limited to applied metal pipe 121 and comes harmonic ringing, and other are also applicable such as the structure that coil etc. possesses similar functions.
Fig. 3 is base unit 20 generalized section when combining with strain relief unit 30, Fig. 4 is the decomposing schematic representation of base unit 20, Fig. 3 and Fig. 4 at length show structure and the annexation of base unit 20 each parts among some embodiment, as shown in Figures 3 and 4, base unit 20 can comprise connector 21, insulator 22, antenna connecting line core 23 and coupling coil 24.Connector 21 is used for antenna assembly 1 is connected in communication terminal, insulator 20 plugs are located in the connector 21, antenna connecting line core 23 is arranged in the insulator 20, coupling coil 24 1 ends link to each other with connector 21, the other end links to each other with flexible antennas unit 10, for increasing the transmitting-receiving performance of flexible antennas unit 10, with eliminate or reduce that communication terminal is reliable in order to promote, texture and heat radiation and adopt the metal shell adverse effect.
Fig. 5 is the generalized section of connector 21, together consult Fig. 5, it is cylindric that connector 21 roughly is in certain embodiments, and it has an axially extending bore 210, the middle part of axially extending bore 210 also is provided with the neck 212 of an annular, and the internal diameter of neck 212 is less than the aperture of axially extending bore 210.Axially extending bore 210 is positioned on the sidewall of neck 212 bottoms and is formed with helicitic texture 214, so that connector 21 is threadedly connected on the communication terminal.Connector 21 can comprise in certain embodiments the perforation 216 that is opened on the sidewall and be formed at some double wedges 218 that extend vertically on the outer side surface.Perforation 216 and double wedge 218 all match with strain relief unit 30, wherein, perforation 216 is used at strain relief unit 30 injection molding processes, allow plastic cement with 21 inside and outside being connected of connector, thereby both can prevent that connector 21 was mobile vertically with respect to strain relief unit 30, can prevent again that connector 21 from rotating around axis with respect to strain relief unit 30; Double wedge 218 is used at strain relief unit 30 injection molding processes, allows plastic cement be full of in the teeth groove between the adjacent double wedge 218, rotates around axis with respect to strain relief unit 30 further to prevent connector 21.Be appreciated that ground, in certain embodiments, connector 21 also can only arrange perforation 216 and double wedge 218 the two one of.
Again as shown in Figures 3 and 4, insulator 22 can adopt plastic cement to make at some embodiment, its be used for antenna connecting line core 23 electric insulations be installed on connector 21.Insulator 22 can comprise a cylindrical body 221 and the ring edge 223 that is formed at body 221 upper ends.The internal diameter of the neck 212 of the diameter of body 221 and connector 21 is suitable, so that body 221 can closely be embedded in the neck 212.The diameter of ring edge 223 in order to when body 221 is embedded in the neck 212, can keep out the end face at neck 212, positions and promotes the support force of insulator 22 greater than the diameter of body 221 for insulator 22.The middle part of insulator 22 also is formed with axially extending bore 225, is placed through wherein for antenna connecting line core 23.Be appreciated that ground, insulator 22 also can adopt such as other insulating material such as potteries and make.
Antenna connecting line core 23 is used for flexible antennas unit 10 and communication terminal are electrically connected, and it can adopt such as the good material of the electric conductivities such as gold plated copper and make.As shown in Figures 3 and 4, antenna connecting line core 23 can comprise Plug Division 231, body 232 and resettlement section 233.Plug Division 231 is needle-like, is used for being plugged in the jack of the connector (not shown) that is arranged on the communication terminal, is electrically connected with communication terminal.Body 232 is thin rod shape, the length of its length and insulator 22 is suitable, the aperture of the axially extending bore 225 of its diameter and insulator 22 is suitable, so that this body 232 is housed in the axially extending bore 225 of insulator 22 preferably, allows Plug Division 231 be exposed to the lower surface of insulator 22.Resettlement section 233 is cylindric, and its diameter is greater than the diameter of body 232, so that body 232 is when being inserted in the axially extending bore 225 of insulator 22, keep out on the upper surface of insulator 22 lower surface of resettlement section 233.Also be formed with accepting hole 234 in the resettlement section 233, accepting hole 234, is used for being inserted in wherein for the bottom of antenna wires 111 axially to downward-extension by middle part, the upper surface of resettlement section 233.
Fig. 6 is the perspective view of base unit 20, this figure shows structure and the annexation of coupling coil 24 in more detail, together consult Fig. 3, Fig. 4 and Fig. 6, this coupling coil 24 can adopt the materials such as copper, stainless steel and carbon steel to make in certain embodiments, and it comprises the first helical coil section 241, the second helical coil section 242 and triple helical coil segment 243.
The first helical coil section 241 is for generation of coupling effect, and the pitch of coupling coil 24 and the number of turns can need to be adjusted according to antenna performance (for example, operating frequency).The first helical coil section 241 can be cylindrical, and the outer diameter by 112 of the antenna of its internal diameter and antenna body 11 is suitable, so that the first helical coil section 241 can be set on the antenna body 11.Triple helical coil segment 243 also can be cylindrical, and coaxially be sheathed on the upper end of connector 21, so that this coupling coil 24 is linked to each other with connector 21.In certain embodiments, for make between triple helical coil segment 243 and the connector 21 be connected more firm, also can be with triple helical coil segment 243 and connector 21 welding.The second helical coil section 242 links to each other the first helical coil section 241 with triple helical coil segment 243, and then the first helical coil section is linked to each other with connector 21.
The second helical coil section 242 can be conical in certain embodiments, its front end edge tangential direction link to each other with the end of the first helical coil section 241 (namely tangentially drawing from the end of the first helical coil section 241), its rear end tangentially link to each other with the front end of triple helical coil segment 243 (namely tangentially from the access of the front end of triple helical coil segment 243), and then the second helical coil section 242 tangentially linked to each other with connector 21, effectively promoted the endurance life of coupling coil 24, antenna assembly 1 has been difficult for destroyed when waving or bend.Be appreciated that ground, in certain embodiments, also can be the second helical coil section 242 with the first helical coil section 241 between be connected along tangential direction perhaps being connected along tangential direction between the second helical coil section 242 and the triple helical coil segment 243 just.Be appreciated that ground, triple helical coil segment 243 can omit in certain embodiments again, but allows the end of the second helical coil section 242 tangentially be directly connected on the connector 21.
In certain embodiments, coupling coil 24 integral body can be twist.An one aspect has been equivalent to increase the height of connector 21, (for example reduced the metal shell of communication terminal, aluminum hull) on electromagnetic impact, also promoted the reliability (namely being equivalent to has increased skeleton structure to strain relief unit 30) of strain relief unit 30 simultaneously.
Fig. 7 shows the base unit 20a among other embodiment, itself and base unit shown in Figure 6 20 are similar, both main distinctions are, the triple helical coil segment 243a of base unit 20a coaxially is embedded in the connector 21, and the end of triple helical coil segment 243a is welded in the perforation 216 of connector 21.
The above only is preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art, in several improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a flexible wireless device is characterized in that, comprises flexible antennas unit and the base unit that links to each other with this flexible antennas unit, and described base unit comprises connector and coupling coil; Described coupling coil comprises the first helical coil section and the second helical coil section, described the first helical coil section is sheathed on the described flexible antennas unit to produce coupling effect, and described the second helical coil section links to each other described the first helical coil section with described connector.
2. flexible wireless device according to claim 1 is characterized in that, the outer quilt of antenna that described flexible antennas unit comprises antenna wires and coats described antenna wires, and described antenna wires is the nitinol alloy wire with memory characteristic.
3. flexible wireless device according to claim 2 is characterized in that, described antenna is outer to be the PVDF heat-shrink tube, and this antenna outer by on be formed with frosted layer.
4. flexible wireless device according to claim 3 is characterized in that, this flexible wireless device also comprises the strain relief unit; Described base unit is also wrapped insulator and antenna connecting line core, and described insulator plug is located in the connector, and described antenna connecting line core is arranged in the insulator; Described strain relief unit coats described base unit.
5. flexible wireless device according to claim 4, it is characterized in that, described connector comprises the axially extending bore that plugs for described insulator, described connector comprises and is opened in the perforation on the sidewall and/or is formed at some double wedges that extend vertically on the outer side surface, and described perforation and/or double wedge match with described strain relief unit.
6. each described flexible wireless device is characterized in that according to claim 1-5, and the front end of described the second helical coil section and/or end tangentially are connected on described the first helical coil section and/or the described connector.
7. flexible wireless device according to claim 6, it is characterized in that, described coupling coil comprises the triple helical coil segment, and described triple helical coil segment is socketed on the described connector, and the end of described the second helical coil section is connected on the described triple helical coil segment.
8. flexible wireless device according to claim 7 is characterized in that, the front end of described the second helical coil section is tangentially drawn from the end of described the first helical coil section, the terminal front end that tangentially accesses described triple helical coil segment.
9. flexible wireless device according to claim 8, it is characterized in that, described coupling coil integral body twist, described the first helical coil section and described triple helical coil segment all are cylindric, the internal diameter of described the first helical coil section is less than the internal diameter of described triple helical coil segment, and it is conical that described the second helical coil section is.
10. flexible wireless device according to claim 9 is characterized in that, described triple helical coil segment coaxially is sheathed on the peripheral or inner of described connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397348 CN202839962U (en) | 2012-08-10 | 2012-08-10 | Flexible antenna apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397348 CN202839962U (en) | 2012-08-10 | 2012-08-10 | Flexible antenna apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202839962U true CN202839962U (en) | 2013-03-27 |
Family
ID=47951588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397348 Expired - Lifetime CN202839962U (en) | 2012-08-10 | 2012-08-10 | Flexible antenna apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202839962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212508A1 (en) * | 2020-04-24 | 2021-10-28 | 海能达通信股份有限公司 | Antenna and manufacturing method therefor, and electronic device |
-
2012
- 2012-08-10 CN CN 201220397348 patent/CN202839962U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021212508A1 (en) * | 2020-04-24 | 2021-10-28 | 海能达通信股份有限公司 | Antenna and manufacturing method therefor, and electronic device |
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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 |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |