CN207651672U - The antenna of collection contract two frequency resonant points of frequency range - Google Patents
The antenna of collection contract two frequency resonant points of frequency range Download PDFInfo
- Publication number
- CN207651672U CN207651672U CN201721804727.0U CN201721804727U CN207651672U CN 207651672 U CN207651672 U CN 207651672U CN 201721804727 U CN201721804727 U CN 201721804727U CN 207651672 U CN207651672 U CN 207651672U
- Authority
- CN
- China
- Prior art keywords
- shell
- coil
- antenna
- outer diameter
- frequency range
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model discloses the antennas of collection two frequency resonant points of contract frequency range, belong to the antenna technical field of wireless device, antenna includes the connecting line of shell and setting inside the shell, and the upper end of shell is provided with connecting seat, the upper end of connecting line is connect with connecting seat, it is important to：The antenna further includes first coil and the second coil, one end of first coil is connect with connecting seat, the other end is connect with one end of the second coil, the other end of second coil and the upper end of connecting line connect, it is parallel with capacitance between the both ends of second coil and is formed as LC antiresonant circuits, first coil makes two frequency resonant points of antenna belong to same frequency range and not at multiple proportion together with LC antiresonant circuits.Same frequency range may be implemented and wavelength is not at the integration of two frequencies of multiple proportion, so that two frequency resonant points of antenna is belonged to same frequency range and not at multiple proportion, simple in structure, integration process difficulty is low, it is easy to accomplish.
Description
Technical field
The utility model belongs to the antenna technical field of wireless device, is related to two frequency resonant points of collection contract frequency range
Antenna.
Background technology
LC can make the multi-frequency integral antenna length this point that shortens unquestionable, but it is only limited to wavelength into multiple
Two frequencies of relationship are integrated, such as 150 and 450 integrate.There is presently no same frequency ranges, not at multiple proportion as 35,49
Frequency integrate because its integration is quite difficult, this needs to obtain L, C parameter by orthogonal test many times.
Invention content
The utility model devises the day of collection contract two frequency resonant points of frequency range to overcome the deficiencies of existing technologies
Line, may be implemented same frequency range and wavelength is not at the integration of two frequencies of multiple proportion, and simple in structure, integration process difficulty is low,
It is easily achieved.
The specific technical solution that the utility model is taken is：The antenna of collection contract two frequency resonant points of frequency range, including
The connecting line of shell and setting inside the shell, the upper end of shell are provided with connecting seat, and the upper end of connecting line is connect with connecting seat,
Key is：The antenna further includes first coil and the second coil, one end of first coil connect with connecting seat, the other end with
One end of second coil connects, and the other end of the second coil and the upper end of connecting line connect, in parallel between the both ends of the second coil
There is capacitance to be formed as LC antiresonant circuits, first coil makes two frequency resonant points of antenna together with LC antiresonant circuits
Belong to same frequency range and not at multiple proportion.
The connecting seat is SMA public affairs needles.
The shell includes upper shell, lower housing and the transition between upper shell and lower housing of coaxial arrangement
Shell, upper shell, lower housing and transitional shell are an integral structure, and the outer diameter of upper shell is more than lower housing outer diameter, transitional shell
The outer diameter of upper end is equal to upper shell outer diameter, and the outer diameter of transitional shell lower end is equal to lower housing outer diameter, and the outer diameter of transitional shell is by upper
Reduce to lower linear, first coil, the second coil and capacitance are all fixed in upper shell.
The upper shell upper end is provided with connection ring, and connection ring outer diameter is less than upper shell outer diameter, connecting seat and connection ring
It is fixedly connected, the outer diameter of connecting seat is less than or equal to upper shell outer diameter, and connection ring is an integral structure with upper shell.
The periphery of the shell lower end is set with fixing sleeve, and the bottom of fixing sleeve is fixed with conductive plate, under connecting line
End is connect with conductive plate.
The conductive board diameter is more than fixing sleeve internal diameter and is less than fixed cover external diameter, and fixing sleeve lower end offers installation
Slot, conductive plate are arranged in mounting groove and are fixedly connected with fixing sleeve.
It is along the circumferential direction provided at least two dovetail grooves on the conductive plate outer wall, is provided on the cell wall of mounting groove
Coattail strip, conductive plate by dovetail groove and coattail strip mating and fixing sleeve plugged and fixed.
The utility model has the beneficial effects that：By giving first coil, the second coil to select suitable the number of turns and inductance value,
And give the suitable capacitance of capacitance selection, you can to realize with frequency range and wavelength not at the integration of two frequencies of multiple proportion,
So that two frequency resonant points of antenna is belonged to same frequency range and not at multiple proportion, simple in structure, integration process difficulty is low, is easy to
It realizes.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In attached drawing, 1 represents shell, and 2 represent connecting line, and 3 represent connecting seat, and 4 represent first coil, and 5 represent the second coil,
6 represent capacitance, and 7 represent fixing sleeve, and 8 represent conductive plate, and 9 represent connection ring.
Specific implementation mode
It elaborates in the following with reference to the drawings and specific embodiments to the utility model：
Specific embodiment, as shown in Figure 1, the antenna of collection contract two frequency resonant points of frequency range, including shell 1 and setting
The upper end of connecting line 2 in shell 1, shell 1 is provided with connecting seat 3, and the upper end of connecting line 2 is connect with connecting seat 3, described
Antenna further includes first coil 4 and the second coil 5, and one end of first coil 4 connect with connecting seat 3, the other end and the second coil 5
One end connection, the other end of the second coil 5 connect with the upper end of connecting line 2, and capacitance is parallel between the both ends of the second coil 5
6 are formed as LC antiresonant circuits, and first coil 4 belongs to two frequency resonant points of antenna together with LC antiresonant circuits
Same frequency range and not at multiple proportion.By giving first coil 4, the second coil 5 to select suitable the number of turns and inductance value, and to electricity
Hold the 6 suitable capacitances of selection, you can with realization is with frequency range and wavelength is not at the integration of two frequencies of multiple proportion, make antenna
Two frequency resonant points belong to same frequency range and not at multiple proportion, simple in structure, integration process difficulty is low, it is easy to accomplish.
As to further improvement of the utility model, connecting seat 3 is SMA public affairs needles.Traditional is all that female seat is connect on antenna,
The public needle of another end of grafting is removed, this connection type, may be by public needle leakage signal after taking down antenna, this practicality is new
Type inverts public needle with female seat, and public needle is connect on antenna, goes the female seat of grafting other end, after taking down antenna, the mother of another end
Seat will not leakage signal, more securely and reliably.
As to further improvement of the utility model, shell 1 includes the upper shell being coaxially disposed, lower housing and is located at
Transitional shell between upper shell and lower housing, upper shell, lower housing and transitional shell are an integral structure, outside upper shell
Diameter is more than lower housing outer diameter, and the outer diameter of transitional shell upper end is equal to upper shell outer diameter, and the outer diameter of transitional shell lower end is equal to lower casing
The outer diameter of external diameter, transitional shell linearly reduces from top to bottom, and first coil 4, the second coil 5 and capacitance 6 are all fixed on upper casing
In vivo, it is not only easily installed, but also can prevent first coil 4, the second coil 5 and capacitance 6 from shaking and influence to connect between each other
Fastness.
As to further improvement of the utility model, upper shell upper end is provided with connection ring 9, and 9 outer diameter of connection ring is less than
Upper shell outer diameter, connecting seat 3 are fixedly connected with connection ring 9, and the outer diameter of connecting seat 3 is less than or equal to upper shell outer diameter, monnolithic case
It is more beautiful, convenient for placing.Connection ring 9 is an integral structure with upper shell, makes simple, firm and reliable connection.
It is set with fixing sleeve 7, the bottom of fixing sleeve 7 as the periphery to further improvement of the utility model, 1 lower end of shell
Portion is fixed with conductive plate 8, and the lower end of connecting line 2 is connect with conductive plate 8.The casing in antenna and radio station is fixed using fixing sleeve 7
Together, connecting line 2 is connect by conductive plate 8 with the circuit module in casing, and firm and reliable connection is convenient to disassembly, no
Any damage can be caused to shell 1 and connecting line 2.
As to further improvement of the utility model, 8 diameter of conductive plate is more than 7 internal diameter of fixing sleeve and is less than fixing sleeve 7
Outer diameter, 7 lower end of fixing sleeve offer mounting groove, and conductive plate 8 is arranged in mounting groove and is fixedly connected with fixing sleeve 7.It will be conductive
Plate 8 is inlaid in the mounting groove of fixing sleeve 7, can be short-circuit to avoid conductive plate 8 and other component contacts, more securely and reliably.
As to further improvement of the utility model, at least two swallows are along the circumferential direction provided on 8 outer wall of conductive plate
Stern notch, is provided with coattail strip on the cell wall of mounting groove, conductive plate 8 by dovetail groove and coattail strip mating and fixing sleeve 7
Plugged and fixed, it is convenient to disassembly, it is time saving and energy saving.
The entire length of antenna is 180mm in the utility model, and the outer diameter of upper shell is 13mm, and the outer diameter of connection ring 9 is
The length of 9.5mm, this antenna in Europe are 300mm, and the utility model is utilized capacitance, the length of antenna is made to shorten.When first
When the number of turns of coil is 62T, the number of turns of the second coil is 12T, the capacitance of capacitance is 20pF, the transmission frequency of antenna is
35MHz, receives frequency 49MHz, various parameter values are soft according to IE3D softwares, the FIDELITY of Zland companies of Zland companies
Part and CST software are calculated and are emulated.
Claims (7)
1. collecting the antenna of contract two frequency resonant points of frequency range, include the connecting line of shell (1) and setting in shell (1)
(2), the upper end of shell (1) is provided with connecting seat (3), and the upper end of connecting line (2) is connect with connecting seat (3), it is characterised in that：Institute
The antenna stated further includes first coil (4) and the second coil (5), and one end of first coil (4) connect with connecting seat (3), is another
End is connect with one end of the second coil (5), and the other end of the second coil (5) is connect with the upper end of connecting line (2), the second coil
(5) it is parallel with capacitance (6) between both ends and is formed as LC antiresonant circuits, first coil (4) and LC antiresonant circuits one
Rising makes two frequency resonant points of antenna belong to same frequency range and not at multiple proportion.
2. the antenna of two frequency resonant points of collection contract frequency range according to claim 1, it is characterised in that：The connection
Seat (3) is SMA public affairs needles.
3. the antenna of two frequency resonant points of collection contract frequency range according to claim 1, it is characterised in that：The shell
(1) include upper shell, lower housing and the transitional shell between upper shell and lower housing being coaxially disposed, upper shell, lower casing
Body and transitional shell are an integral structure, and the outer diameter of upper shell is more than lower housing outer diameter, and the outer diameter of transitional shell upper end is equal to upper
The outer diameter of housing outer diameter, transitional shell lower end is equal to lower housing outer diameter, and the outer diameter of transitional shell linearly reduces from top to bottom, and first
Coil (4), the second coil (5) and capacitance (6) are all fixed in upper shell.
4. the antenna of two frequency resonant points of collection contract frequency range according to claim 3, it is characterised in that：The upper casing
Body upper end is provided with connection ring (9), and connection ring (9) outer diameter is less than upper shell outer diameter, connecting seat (3) and the fixed company of connection ring (9)
It connects, the outer diameter of connecting seat (3) is less than or equal to upper shell outer diameter, and connection ring (9) is an integral structure with upper shell.
5. the antenna of two frequency resonant points of collection contract frequency range according to claim 1, it is characterised in that：The shell
(1) periphery of lower end is set with fixing sleeve (7), and the bottom of fixing sleeve (7) is fixed with conductive plate (8), the lower end of connecting line (2) with
Conductive plate (8) connects.
6. the antenna of two frequency resonant points of collection contract frequency range according to claim 5, it is characterised in that：The conduction
Plate (8) diameter is more than fixing sleeve (7) internal diameter and is less than fixing sleeve (7) outer diameter, and fixing sleeve (7) lower end offers mounting groove, conductive
Plate (8) is arranged in mounting groove and is fixedly connected with fixing sleeve (7).
7. the antenna of two frequency resonant points of collection contract frequency range according to claim 6, it is characterised in that：The conduction
At least two dovetail grooves are along the circumferential direction provided on plate (8) outer wall, coattail strip, conductive plate are provided on the cell wall of mounting groove
(8) by mating and fixing sleeve (7) plugged and fixed of dovetail groove and coattail strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804727.0U CN207651672U (en) | 2017-12-21 | 2017-12-21 | The antenna of collection contract two frequency resonant points of frequency range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804727.0U CN207651672U (en) | 2017-12-21 | 2017-12-21 | The antenna of collection contract two frequency resonant points of frequency range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207651672U true CN207651672U (en) | 2018-07-24 |
Family
ID=62877766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804727.0U Active CN207651672U (en) | 2017-12-21 | 2017-12-21 | The antenna of collection contract two frequency resonant points of frequency range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207651672U (en) |
-
2017
- 2017-12-21 CN CN201721804727.0U patent/CN207651672U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105932408A (en) | High-isolation metal frame LTE tuning antenna | |
| CN206163670U (en) | Metric wave circulator | |
| CN103855448A (en) | TM mode dielectric filter | |
| CN103618389A (en) | In-mould injection electromagnetic resonance wireless charging receiving device and electromagnetic resonance wireless charging electric appliance | |
| CN207651672U (en) | The antenna of collection contract two frequency resonant points of frequency range | |
| CN203747049U (en) | Self-tuning cell phone antenna | |
| CN206789686U (en) | A kind of mobile terminal antenna of all-metal bonnet | |
| CN205921059U (en) | Cavity filter who contains adjustable capacitance coupling structure | |
| CN201708229U (en) | Cavity filter and filter cavity | |
| CN201011689Y (en) | Filter connector | |
| CN203883127U (en) | Broadband antenna with resonance type feed structure | |
| CN104901750B (en) | Circuit board and its Multifunctional radio-frequency test bench | |
| CN205212801U (en) | Electrically tunable filter | |
| CN207652421U (en) | A kind of hand-held radio telephone with the antenna with two frequency resonant points of frequency range | |
| CN108879046B (en) | Cavity filter | |
| CN204179287U (en) | Radio frequency (RF) coaxial connector | |
| CN208433514U (en) | A kind of tunable antenna for mobile phone based on metal back cover and metal edge frame | |
| CN203398251U (en) | Two power dividers capable of being energized by direct current | |
| CN205900794U (en) | Device is extended to LTE cell -phone antenna low -frequency range double resonance bandwidth | |
| CN107681245B (en) | Single-negative metamaterial heterojunction loaded with comb-shaped inductor and open resonant ring | |
| CN201418146Y (en) | Miniature capacitive type microphone | |
| CN203376352U (en) | Radio frequency resonator frequency-selecting clamp | |
| CN210142180U (en) | Nuclear magnetic resonance detection probe | |
| CN216252732U (en) | Isolated communication circuit | |
| CN212875963U (en) | Tuner for television filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |