CN107069200A - PCB antenna system based on portable control and sensing acquisition equipment - Google Patents
PCB antenna system based on portable control and sensing acquisition equipment Download PDFInfo
- Publication number
- CN107069200A CN107069200A CN201710113159.8A CN201710113159A CN107069200A CN 107069200 A CN107069200 A CN 107069200A CN 201710113159 A CN201710113159 A CN 201710113159A CN 107069200 A CN107069200 A CN 107069200A
- Authority
- CN
- China
- Prior art keywords
- antenna
- pcb
- acquisition equipment
- portable control
- inductance
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The present invention provides a kind of PCB antenna system based on portable control and sensing acquisition equipment, including main body circuit, antenna and impedance matching circuit.Main body circuit is arranged at PCB printed boards, and main body circuit includes signal emission part.Antenna print with PCB printed boards, the overall serpentine-like cabling of antenna, the width of antenna is 0.508 millimeter, and the length of antenna is 224.9 millimeters, and antenna includes orthogonal first antenna portion and the second antenna part.Impedance matching circuit is arranged at PCB printed boards, the input impedance of impedance matching circuit matched signal emission part and antenna.
Description
Technical field
The present invention relates to antenna technical field, and it is more particularly to a kind of based on portable control and sensing acquisition equipment
PCB antenna system.
Background technology
In RF application, antenna is the essential element for realizing data transfer.Antenna in existing radio frequency products is divided into
Built-in aerial and external antenna.Under many circumstances when the outward appearance to product has certain demand, now it is not intended to external
Antenna, now built-in aerial just have advantage.
Existing built-in aerial includes spring antenna and ceramic antenna, and on the one hand wherein spring antenna and ceramic antenna need
Outsourcing day line material, increases design cost；On the other hand need to be welded in PCB, there is technique control in production process
The problem of system is difficult, influences the uniformity of antenna performance.
The content of the invention
The present invention is in order to overcome the deficiencies in the prior art there is provided a kind of based on portable control and sensing acquisition equipment
PCB antenna system.
To achieve these goals, the present invention provides a kind of PCB days based on portable control and sensing acquisition equipment
Linear system is united, including main body circuit, antenna and impedance matching circuit.Main body circuit is arranged at PCB printed boards, and main body circuit includes
Signal emission part.Antenna print with PCB printed boards, the overall serpentine-like cabling of antenna, the width of antenna is 0.508 millimeter, antenna
Length be 224.9 millimeters, antenna include orthogonal first antenna portion and the second antenna part.Impedance matching circuit is arranged at
PCB printed boards, the input impedance of impedance matching circuit matched signal emission part and antenna.
In one embodiment of the invention, length of bending arm extended in first antenna portion along its equivalent length direction etc.
It it is vertically 2.52 millimeters with the minimum length of the bending arm in the equivalent length direction in first antenna portion in 2.01 millimeters.
In one embodiment of the invention, the second antenna part includes long connecting portion, seven foldings being connected with first antenna portion
Turn of bilge and the short connecting portion being connected with PCB printed boards.
In one embodiment of the invention, the length of long connecting portion is 26.88 millimeters, and each bending part includes vertical successively
The length of the first bending arm, the second bending arm, the 3rd bending arm and the four fold curved boom of connection, the first bending arm and the 3rd bending arm
Degree is 1.36 millimeters, and the length of the second bending arm and four fold curved boom is 12.1 millimeters.
In one embodiment of the invention, the thickness of antenna is equal to the thickness for the copper cash printed in PCB printed boards, is forming copper
Antenna is formed while line.
In one embodiment of the invention, antenna formation is on the right of PCB printed boards and below.
In one embodiment of the invention, impedance matching circuit includes the first inductance, the second inductance, the first electric capacity and the second electricity
Hold, the first inductance and the second inductance are in series in the output end of signal emission part, the first end of the first electric capacity is connected to the first electricity
Sense and the common port of signal emission part, the second end ground connection of the first electric capacity, the first end of the second electric capacity be connected to the first inductance and
The common port of second inductance, the second end ground connection of the second electric capacity.
In summary, the PCB antenna system based on portable control and sensing acquisition equipment that the present invention is provided passes through
Antenna is printed in PCB printed boards, it is not necessary to extra soldered antenna, not only simplify production and avoid welding error and cause
Antenna impedance and performance it is inconsistent.The antenna being printed in PCB printed boards belongs to built-in aerial, and outward appearance is very succinct.It is logical
Cross in setting impedance matching circuit, the PCB antenna system based on portable control and sensing acquisition equipment that the present invention is provided
Antenna can realize impedance matching at 433.2MHz and carry out video communication.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly,
And coordinate accompanying drawing, it is described in detail below.
Brief description of the drawings
Fig. 1 show the PCB antenna based on portable control and sensing acquisition equipment of one embodiment of the invention offer
The schematic diagram of system.
Fig. 2 show the structural representation of each bending part in the second antenna part.
Fig. 3 show the circuit theory diagrams of Fig. 1 middle impedance match circuits.
Embodiment
As shown in figure 1, the PCB antenna system bag based on portable control and sensing acquisition equipment that the present embodiment is provided
Include main body circuit 1, antenna 2 and impedance matching circuit 3.Main body circuit 1 is arranged at PCB printed boards, and main body circuit 1 includes signal
Emission part 11.Antenna 2 is printed and PCB printed boards, the overall serpentine-like cabling of antenna 2, and the width of antenna 2 is 0.508 millimeter, antenna
2 length is 224.9 millimeters, and antenna 2 includes the orthogonal antenna part 22 of first antenna portion 21 and second.Impedance matching circuit
3 set PCB printed boards, the input impedance of the matched signal emission part 11 of impedance matching circuit 3 and antenna 2.
The PCB antenna system based on portable control and sensing acquisition equipment that the present embodiment is provided is by for radiation
Antenna is printed in PCB printed boards to realize built-in antenna, and sets the thickness of antenna 2 to be equal to the copper printed in PCB printed boards
The thickness of line, antenna is formed while copper cash is formed.Built-in aerial is not only taken up under volume, good appearance, and due to its nothing
Need to be welded with PCB printed boards, be prevented effectively from can day wire bonding brought antenna uniformity the problem of.Further, by
Yu Qike is synchronous with the copper cash in PCB printed boards to be formed, and be enormously simplify production technology, is reduced production cost.
Collect in the present embodiment, the length of the bending arm 211 extended in first antenna portion 21 along its equivalent length direction
It it is vertically 2.52 millimeters with the minimum length of the bending arm 212 in the equivalent length direction in first antenna portion 21 equal to 2.01 millimeters.
As shown in figure 1, the equivalent length direction in first antenna portion 21 is vertical direction, the equivalent length direction of the second antenna part 22 is water
Square to.Second antenna part 22 include be connected with first antenna portion 21 long connecting portion 221, seven bending parts 222 and with
The short connecting portion 223 that PCB printed boards are connected.The length of long connecting portion 221 be 26.88 millimeters, each bending part include according to
Secondary first bending arm 2221 connected vertically, the second bending arm 2222, the 3rd bending arm 2223 and four fold curved boom 2224, first
The length of the bending arm 2223 of bending arm 2221 and the 3rd is 1.36 millimeters, the second bending arm 2222 and four fold curved boom 2224
Length is 12.1 millimeters.The antenna that the present embodiment is provided, is radiation when it is operated in 433.2MHz under the conditions of free space
Distance can be more than 100 meters.
With the continuous diminution of electronic product volume, PCB is printed in existing portable control and sensing acquisition equipment
The volume of plate is very small, accordingly, and antenna 2 occupies also very small, position of the combine antenna in PCB printed boards
Influence to aerial radiation distance, is preferable to provide antenna 2 and forms the right in PCB printed boards and following.
In the present embodiment, as shown in figure 3, impedance matching circuit 300 includes the first inductance L1, the second inductance L2, first
Electric capacity C1 and the second electric capacity C2, the first inductance L1 and the second inductance L2 are in series in the output end of signal emission part 11, the first electricity
The first end for holding C1 is connected to the common port of the first inductance L1 and signal emission part 11, and the first electric capacity C1 the second end is grounded, the
Two electric capacity C2 first end is connected to the first inductance L1 and the second inductance L2 common port, the second electric capacity C2 the second end ground connection.
The impedance matching specifically, if antenna 2 is operated under 433.2MHz frequencies and has re-j*im (input impedance of antenna is
One plural number, re is real part, and im is imaginary part, and j is imaginary unit) input impedance, then impedance matching circuit 300 should make as much as possible
The impedance for obtaining Wifi modules 100 is re+j*im.Impedance matching can greatly reduce loss of the signal energy in transmitting procedure, greatly
Amplitude improves the radiation length of antenna.
In summary, the PCB antenna system based on portable control and sensing acquisition equipment that the present invention is provided passes through
Antenna is printed in PCB printed boards, it is not necessary to extra soldered antenna, not only simplify production and avoid welding error and cause
Antenna impedance and performance it is inconsistent.The antenna being printed in PCB printed boards belongs to built-in aerial, and outward appearance is very succinct.It is logical
Cross in setting impedance matching circuit, the PCB antenna system based on portable control and sensing acquisition equipment that the present invention is provided
Antenna can realize impedance matching at 433.2MHz and carry out video communication.
It is any to know this skill although the present invention is disclosed above by preferred embodiment, but is not limited to the present invention
Skill person, without departing from the spirit and scope of the present invention, can make a little change and retouching, therefore protection scope of the present invention is worked as
It is defined depending on claims scope claimed.
Claims (7)
1. a kind of PCB antenna system based on portable control and sensing acquisition equipment, it is characterised in that including：
Main body circuit, is arranged at the PCB printed boards, and the main body circuit includes signal emission part；
Antenna, printing and the PCB printed boards, the overall serpentine-like cabling of the antenna, the width of antenna is 0.508 millimeter, day
The length of line is 224.9 millimeters, and the antenna includes orthogonal first antenna portion and the second antenna part；
Impedance matching circuit, is arranged at the PCB printed boards, the impedance matching circuit matched signal emission part and antenna it is defeated
Enter impedance.
2. the PCB antenna system according to claim 1 based on portable control and sensing acquisition equipment, its feature exists
In the length of the bending arm extended in first antenna portion along its equivalent length direction is equal to 2.01 millimeters, vertically with first day
The minimum length of the bending arm in the equivalent length direction in line portion is 2.52 millimeters.
3. the PCB antenna system according to claim 1 based on portable control and sensing acquisition equipment, its feature exists
The long connecting portion that includes being connected with first antenna portion in, second antenna part, seven bending parts and with PCB printed board phases
The short connecting portion of connection.
4. the PCB antenna system according to claim 3 based on portable control and sensing acquisition equipment, its feature exists
It it is 26.88 millimeters in the length of, the long connecting portion, each bending part includes the first bending arm connected vertically, the successively
The length of eighty percent discount curved boom, the 3rd bending arm and four fold curved boom, the first bending arm and the 3rd bending arm is 1.36 millimeters, second
The length of bending arm and four fold curved boom is 12.1 millimeters.
5. the PCB antenna system according to claim 1 based on portable control and sensing acquisition equipment, its feature exists
In the thickness of antenna is equal to the thickness for the copper cash printed in PCB printed boards, and antenna is formed while copper cash is formed.
6. the PCB antenna system according to claim 1 based on portable control and sensing acquisition equipment, its feature exists
In the antenna formation is on the right of PCB printed boards and below.
7. the PCB antenna system according to claim 1 based on portable control and sensing acquisition equipment, its feature exists
Include the first inductance, the second inductance, the first electric capacity and the second electric capacity in, the impedance matching circuit, first inductance and the
Two inductance are in series in the output end of signal emission part, and the first end of the first electric capacity is connected to the first inductance and signal emission part
Common port, the second end ground connection of the first electric capacity, the first end of the second electric capacity is connected to the common port of the first inductance and the second inductance,
The second end ground connection of second electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113159.8A CN107069200A (en) | 2017-02-28 | 2017-02-28 | PCB antenna system based on portable control and sensing acquisition equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710113159.8A CN107069200A (en) | 2017-02-28 | 2017-02-28 | PCB antenna system based on portable control and sensing acquisition equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107069200A true CN107069200A (en) | 2017-08-18 |
Family
ID=59622263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710113159.8A Pending CN107069200A (en) | 2017-02-28 | 2017-02-28 | PCB antenna system based on portable control and sensing acquisition equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107069200A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417817Y (en) * | 2009-03-20 | 2010-03-03 | 上海闻泰电子科技有限公司 | Built-in radio antenna of portable device |
| CN202206386U (en) * | 2011-09-21 | 2012-04-25 | 联想移动通信科技有限公司 | Mobile communication terminal |
| US20140285392A1 (en) * | 2013-03-20 | 2014-09-25 | Arcadyan Technology Corporation | Monopole antenna |
| US8847828B1 (en) * | 2012-09-25 | 2014-09-30 | Amazon Technologies, Inc. | Antenna structure with strongly coupled parasitic grounding element |
| CN105609924A (en) * | 2015-12-23 | 2016-05-25 | 杭州古北电子科技有限公司 | Printed circuit board (PCB) radio-frequency antenna for intelligent remote control system |
-
2017
- 2017-02-28 CN CN201710113159.8A patent/CN107069200A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417817Y (en) * | 2009-03-20 | 2010-03-03 | 上海闻泰电子科技有限公司 | Built-in radio antenna of portable device |
| CN202206386U (en) * | 2011-09-21 | 2012-04-25 | 联想移动通信科技有限公司 | Mobile communication terminal |
| US8847828B1 (en) * | 2012-09-25 | 2014-09-30 | Amazon Technologies, Inc. | Antenna structure with strongly coupled parasitic grounding element |
| US20140285392A1 (en) * | 2013-03-20 | 2014-09-25 | Arcadyan Technology Corporation | Monopole antenna |
| CN105609924A (en) * | 2015-12-23 | 2016-05-25 | 杭州古北电子科技有限公司 | Printed circuit board (PCB) radio-frequency antenna for intelligent remote control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 310000 Room 101, 1st Floor, Block C, No. 57, Changhe Street, Binjiang District, Hangzhou City, Zhejiang Province Applicant after: Hangzhou Bolian Intelligent Technology Co., Ltd. Address before: 310053 Room 106, Building No. 1, 611 Jianghong Road, Changhe Street, Binjiang District, Hangzhou City, Zhejiang Province Applicant before: Hangzhou Gubei Electronic Technology Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |