CN105098319B - A kind of antenna suitable for intelligent electric meter micropower wireless communication module - Google Patents
A kind of antenna suitable for intelligent electric meter micropower wireless communication module Download PDFInfo
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- CN105098319B CN105098319B CN201510337462.7A CN201510337462A CN105098319B CN 105098319 B CN105098319 B CN 105098319B CN 201510337462 A CN201510337462 A CN 201510337462A CN 105098319 B CN105098319 B CN 105098319B
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- antenna
- radiating element
- wireless communication
- communication module
- electric meter
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- 238000004891 communication Methods 0.000 title claims abstract description 30
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Abstract
The present invention provides a kind of antenna suitable for intelligent electric meter micropower wireless communication module, operating frequency range is 223~235MHz；Antenna axial direction length is 39~41mm；101 diameter of radiating element is 5.3mm；101 adjoining spiral spacing of radiating element is 1.05~1.15mm.Make antenna under the premise of comprising the operating frequency range of 223~235MHz electric power private radio frequency point by above-mentioned design, its physical size meets micropower wireless communication module interior space dimension installation limitation simultaneously and requires, and meets the requirement of PCB circuit board installation dimension.
Description
Technical field
The present invention relates to antenna technical field, specially a kind of day suitable for intelligent electric meter micropower wireless communication module
Line.
Background technique
Intelligent electric meter is widely used, and is had many advantages, such as remotely monitor compared to ordinary electric meter, be can control, partly
It largely installs and uses in area.
Intelligent electric meter is carried out wireless communication with concentrator using 433MHz and 470MHz wireless signal at present, and 433MHz with
470MHz radio band is public radio band, is easy interference and influence by other wireless signals, reduce intelligent electric meter with
The communication quality of concentrator, or even communication disruption is caused, greatly reduce grid supply quality monitoring and supportability.230MHz
The wireless communication frequency band that electric power radio band is divided as the National Radio committee exclusively for power grid is that interference is relatively small number of
Frequency spectrum resource, but there has been no the table internal antennas for being specially adapted for the dedicated frequency range of power grid at present.
In addition, national grid has carried out unified standard to the apparent size of intelligent electric meter at present, micropower therein is wireless
Regulation also has been carried out in the physical size of communication module, it is contemplated that volume shared by PCB circuit board, in micro power radio communication mould
In block, the installation space of antenna is extremely limited, and the antenna of frequency range is not able to satisfy installation space near existing 230MHz on the market
Demand.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of days suitable for intelligent electric meter micropower wireless communication module
Line overcomes the shortcomings of existing antenna and defect, can meet electric power wireless communication frequency band working range, and be installed on intelligence
In ammeter micro power radio module.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of antenna suitable for intelligent electric meter micropower wireless communication module is wirelessly communicated for intelligent electric meter, special
Sign is: including: radiating element 101, feed end 102 and antenna fixing end 103, and is sequentially connected；The radiating element 101 is
Screw type；Feed end 102 is connected with PCB circuit board signal via 201；Antenna fixing end 103 is fixed in PCB circuit board 20；
The operating frequency of antenna range is 223~235MHz；
The antenna axial direction length is 39~41mm；
101 diameter of radiating element is 5.3mm；
The 101 adjoining spiral spacing of radiating element is 1.05~1.15mm.
Preferably, antenna according to claim 1, it is characterised in that: the antenna fixing end 103 passes through asphalt mixtures modified by epoxy resin
Rouge solid-state glue is fixed in PCB circuit board 20.
Preferably, antenna according to claim 2, it is characterised in that: the height of the epoxy resin solids glue is not
Greater than 7mm.
Preferably, antenna according to claim 1, it is characterised in that: the material of the radiating element 101 be silver or
Copper.
Preferably, antenna according to claim 1, it is characterised in that: the radiating element 101 uses enameled wire.
As shown in the above, the present invention provides a kind of days suitable for intelligent electric meter micropower wireless communication module
Line, operating frequency range are 223~235MHz；Antenna axial direction length is 39~41mm；101 diameter of radiating element is 5.3mm；Spoke
Penetrating 101 adjoining spiral spacing of unit is 1.05~1.15mm.Make antenna special comprising 223~235MHz electric power by above-mentioned design
Under the premise of operating frequency range with wireless frequency point, physical size meets micropower wireless communication module inner space simultaneously
Size installation limitation and requirement, and meet the requirement of PCB circuit board installation dimension.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of antenna general structure schematic diagram suitable for intelligent electric meter micropower wireless communication module of the present invention；
Fig. 2 is a kind of antenna scheme of installation suitable for intelligent electric meter micropower wireless communication module of the present invention；
Fig. 3 is that a kind of return loss that the antenna suitable for intelligent electric meter micropower wireless communication module emulates of the present invention is shown
It is intended to；
Fig. 4 is a kind of directional diagram signal that the antenna suitable for intelligent electric meter micropower wireless communication module emulates of the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention provides a kind of antennas suitable for intelligent electric meter micropower wireless communication module, overcome existing
The deficiency and defect of antenna can meet electric power wireless communication frequency band working range, and be installed on intelligent electric meter micropower
In wireless module.
As shown in Figure 1, 2, the antenna includes: radiating element 101, feed end 102 and antenna fixing end 103, and successively
It is connected；
The radiating element 101 is screw type；101 diameter of radiating element is 5.3mm；101 phase of radiating element
Adjacent spiral spacing is 1.05~1.15mm.
The feed end 102 of the antenna is by being fixedly welded on signal via 201 in PCB circuit board 20；
Antenna fixing end 103 is fixed in PCB circuit board fixing end 202 by epoxy resin solids glue；The asphalt mixtures modified by epoxy resin
The height of rouge solid gum is not more than 7mm；
The antenna axial direction length is 39~41mm；
It should be noted that conventional communication wireless module inside dimension are as follows:
Width 46mm, it is also contemplated that installation dimension namely via hole 201 of the antenna feed end 102 in circuit board via 201
Certain position is accounted for, therefore 42mm is not to be exceeded in antenna length.Signal via end 201 and fixing end 202 in PCB circuit board 20
Between centre distance be generally 40mm.
Height 17mm, circuit plate thickness about 1.72mm, remaining space height about 15mm.Therefore fixing end height H can be single
Solely change, but must not exceed remaining space height 15mm plus antenna diameter D.
It can be seen that every dimensions of the invention meet micropower wireless communication module interior space dimension installation limitation and
It is required that and meeting the requirement of PCB circuit board installation dimension.
The operating frequency of antenna range is 223~235MHz；
Specifically, as select in Fig. 3 the present embodiment Renesas company RF switch chip UPG2214 come matching impedance for
50 ohm, work in 223~235MHz.
As shown in the above, the present invention provides a kind of days suitable for intelligent electric meter micropower wireless communication module
Line, operating frequency range are 223~235MHz；Antenna axial direction length is 39~41mm；101 diameter of radiating element is 5.3mm；Spoke
Penetrating 101 adjoining spiral spacing of unit is 1.05~1.15mm.Make antenna special comprising 223~235MHz electric power by above-mentioned design
Under the premise of operating frequency range with wireless frequency point, physical size meets micropower wireless communication module inner space simultaneously
Size installation limitation and requirement, and meet the requirement of PCB circuit board installation dimension.
A kind of antenna suitable for intelligent electric meter micropower wireless communication module is provided in another embodiment of the present invention,
Specifically, the size of each part regulation is shown in Table 1:
| Project | Axial length L | Diameter D | Spiral interval S | Fixing end height H |
| Size/mm | 41 | 5.3 | 1.05 | 6.5 |
1 antenna sections size of table
In the present embodiment, the material of the radiating element 101 is silver or copper；The radiating element 101 uses enameled wire.
In assembly, first antenna feed end 102 is welded in PCB circuit board signal via 201, then by antenna fixing end
102 are fixed in PCB circuit board fixing end 202 with epoxy resin solids glue；And antenna feed end 102 cannot be with PCB circuit board
20 earth signal is connected.
When in use, intelligent electric meter and concentrator need to be only placed in valid wireless communication range, intelligence can be realized
The wireless data transmission of energy ammeter and concentrator.
As shown in figure 3, being the return loss characteristic of the present embodiment.Wherein, abscissa is signal frequency, unit MHz；It is vertical
Coordinate is return loss variable, unit dB.Antenna suitable for intelligent electric meter micropower wireless communication module of the invention exists
There is preferable impedance matching property in design frequency range (223~235MHz).
As shown in figure 4, being the antenna radiation characteristics of the present embodiment.Antenna has omnidirectional radiation characteristic in normal orientation,
Radiation intensity is minimum in the axial direction.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (5)
1. a kind of antenna suitable for intelligent electric meter micropower wireless communication module wirelessly communicates, feature for intelligent electric meter
It is: includes: radiating element (101), feed end (102) and antenna fixing end (103)；The feed end (102) is connected to institute
One end of radiating element (101) is stated, the antenna fixing end (103) is connected to the other end of the radiating element (101)；It is described
Radiating element (101) is screw type；Feed end (102) is connected with PCB circuit board signal via (201)；Antenna fixing end (103)
It is fixed on PCB circuit board (20)；
The operating frequency of antenna range is 223~235MHz；
The antenna axial direction length is 39~41mm；
Radiating element (101) diameter is 5.3mm；
Radiating element (101) the adjoining spiral spacing is 1.05~1.15mm.
2. antenna according to claim 1, it is characterised in that: the antenna fixing end (103) passes through epoxy resin solid-state
Glue is fixed on PCB circuit board (20).
3. antenna according to claim 2, it is characterised in that: the height of the epoxy resin solids glue is not more than 7mm.
4. antenna according to claim 1, it is characterised in that: the material of the radiating element (101) is silver or copper.
5. antenna according to claim 1, it is characterised in that: the radiating element (101) uses enameled wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337462.7A CN105098319B (en) | 2015-06-17 | 2015-06-17 | A kind of antenna suitable for intelligent electric meter micropower wireless communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337462.7A CN105098319B (en) | 2015-06-17 | 2015-06-17 | A kind of antenna suitable for intelligent electric meter micropower wireless communication module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105098319A CN105098319A (en) | 2015-11-25 |
| CN105098319B true CN105098319B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510337462.7A Active CN105098319B (en) | 2015-06-17 | 2015-06-17 | A kind of antenna suitable for intelligent electric meter micropower wireless communication module |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036003A (en) * | 2011-09-30 | 2013-04-10 | 深圳光启高等理工研究院 | Intelligent electric meter |
| CN103811843A (en) * | 2012-11-07 | 2014-05-21 | 启碁科技股份有限公司 | Intelligent electric meter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2353412B (en) * | 1999-08-11 | 2003-10-08 | Motorola Israel Ltd | Method and device for coupling electromagnetic radiation |
| CN201078810Y (en) * | 2007-07-31 | 2008-06-25 | 京信通信系统（中国）有限公司 | Electric small size helical antenna with broad band |
| CN102544736B (en) * | 2010-12-08 | 2016-08-17 | 上海保隆汽车科技股份有限公司 | There is the helical antenna of little reflecting surface |
| US8928542B2 (en) * | 2011-08-17 | 2015-01-06 | CBF Networks, Inc. | Backhaul radio with an aperture-fed antenna assembly |
-
2015
- 2015-06-17 CN CN201510337462.7A patent/CN105098319B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103036003A (en) * | 2011-09-30 | 2013-04-10 | 深圳光启高等理工研究院 | Intelligent electric meter |
| CN103811843A (en) * | 2012-11-07 | 2014-05-21 | 启碁科技股份有限公司 | Intelligent electric meter |
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| Publication number | Publication date |
|---|---|
| CN105098319A (en) | 2015-11-25 |
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