CN203813031U - 450 MHz antenna apparatus - Google Patents
450 MHz antenna apparatus Download PDFInfo
- Publication number
- CN203813031U CN203813031U CN201420238796.XU CN201420238796U CN203813031U CN 203813031 U CN203813031 U CN 203813031U CN 201420238796 U CN201420238796 U CN 201420238796U CN 203813031 U CN203813031 U CN 203813031U
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- CN
- China
- Prior art keywords
- feed
- sheet
- antenna
- plate
- forward position
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model provides a 450 MHz antenna apparatus, which comprises a first feed A-plate and a second feed A-plate. The two feed A-plates are arranged along one diagonal line of an antenna reflector plate in a central symmetry manner. The distance between the front edges of the two feed A-plates is 91-95 mm. Along the other diagonal line of the antenna reflector plate, a first feed B-plate and a second feed B-plate are arranged in a central symmetry manner. The distance between the front edges of the two feed B-plates is 91-95 mm. A leading plate is covered above the feed plates. The leading plate is at a distance of 6-10 mm from the top of the feed plates. A radome made of plastic cement material is additionally covered onto the leading plate. Compared with the prior art, the 450 MHz antenna apparatus is small in size and the dimension of the 450 MHz antenna apparatus is 280 mm * 280 mm. The 450 MHz antenna apparatus is excellent in performance and can stably receive and send out signals within the range of 50 meters.
Description
Technical field
The utility model relates to antenna, especially relates to a kind of 450MHz antenna assembly.
Background technology
In prior art, there is 450MHz antenna, but this antenna size is large, be generally 500mm × 500mm, at some special occasions, the antenna of this size cannot be arranged among rack, and the size of dwindling 450MHz antenna is confronted with numerous difficulties, through great many of experiments, it is found that, 450MHz antenna is often dwindled to the size of 10 centimetres and will make a large amount of experiments and find the form of best current feed terminal.
And the 450MHz antenna performance of prior art is not good, transmission range is in the time that 10M is above, and signal is intermittent, cannot use.
People look forward to the 450MHz antenna of the excellent performance that a kind of size of Industry Control use is little.
Do not see at present very gratifying solution.
Utility model content
In order to solve the technical problem existing in prior art, the utility model proposes method and antenna assembly that a kind of 450MHz antenna is manufactured.
The utility model is by realizing by the following technical solutions:
Manufacture and design a kind of 450MHz antenna assembly, described device comprises:
It is of a size of 272～276mm × 272～276mm × 0.5mm one antenna-reflected plate;
On a diagonal of antenna-reflected plate, be provided with Central Symmetry
One feed A sheet and the second feed A sheet, two feed A sheet forward positions are at a distance of 91～95mm; Wherein the first feed A sheet below antenna-reflected plate and the insulation of antenna-reflected plate, it links with antenna lead by the first feeder line plate;
Described the second feed A sheet and antenna-reflected plate electrical connection;
The physical dimension of the first feed A sheet and the second feed A sheet is:
Feed A sheet forward position 40mm;
Feed A sheet front side edge 15mm;
After feed A sheet along 30mm;
70mm between edge behind feed A sheet forward position;
On another diagonal of antenna-reflected plate, arrange with Central Symmetry
One feed B sheet and the second feed B sheet, two feed B sheet forward positions are at a distance of 91～95mm; Wherein the first feed B sheet below antenna-reflected plate and the insulation of antenna-reflected plate, it links with antenna lead by the second feeder line plate;
Described the second feed B sheet and antenna-reflected plate electrical connection;
The physical dimension of the first feed B sheet and the second feed B sheet is: feed B sheet forward position 40mm;
Feed B sheet front side edge 15mm;
After feed B sheet along 30mm;
65mm between edge behind feed B sheet forward position;
Above described the first feed A sheet and the second feed A sheet and the first feed B sheet and the second feed B sheet, mount cover a guiding plate, described guiding plate is apart from feed tab top 6～10mm;
Described guiding plate is of a size of 227～231mm × 227～231mm × 0.5mm.
The fixing hole of described the first feed A sheet and the second feed A sheet is apart from feed A sheet forward position 10mm.
The fixing hole of described the first feed B sheet and the second feed B sheet is apart from feed B sheet forward position 5mm.
On described guiding plate, add a cover a radome, made by plastic material.
Compared with prior art, the utility model has the advantages that:
One, size is little, is only 280mm × 280mm.
Two, excellent performance, 50m is with interior stable reception transmitting.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the utility model 450MHz antenna assembly;
Fig. 2 be in the utility model 450MHz antenna assembly the first feed A sheet and the second feed A sheet and the first feed B sheet and the second feed B sheet at the upper schematic diagram installing of antenna-reflected plate;
Fig. 3 is the schematic diagram of the first feed A sheet and the second feed A chip size in the utility model 450MHz antenna assembly;
Fig. 4 is the schematic diagram of the first feed B sheet and the second feed B chip size in the utility model 450MHz antenna assembly;
Fig. 5 is the schematic diagram of guiding plate size in the utility model 450MHz antenna assembly;
Fig. 6 is the polar coordinates direction schematic diagram of the utility model 450MHz antenna assembly;
Fig. 7 is the normalization direction schematic diagram of the utility model 450MHz antenna assembly.
Embodiment
In order to further illustrate the utility model, an existing preferred embodiment of the present utility model shown in is by reference to the accompanying drawings elaborated, but described embodiment is only for furnishing an explanation and the use of explaining, can not be used for limiting scope of patent protection of the present utility model.
As shown in Fig. 1～Fig. 7, manufacture and design a kind of 450MHz antenna assembly, described device comprises:
One antenna-reflected plate 1 its be of a size of 272～276mm × 272～276mm ×
0.5mm；
On a diagonal of antenna-reflected plate 1, be provided with Central Symmetry
One feed A sheet 11 and the second feed A sheet 12, two feed A sheet forward positions are at a distance of 91～95mm; Wherein the first feed A sheet 11 below antenna-reflected plate 1 insulate with antenna-reflected plate 1, and it links with antenna lead by the first feeder line plate 13;
Described the second feed A sheet 12 and antenna-reflected plate 1 electrical connection;
The physical dimension of the first feed A sheet 11 and the second feed A sheet 12 is:
Feed A sheet forward position 17 is 40mm;
Feed A sheet front side edge 18 is 15mm;
After feed A sheet, be 30mm along 19;
Behind feed A sheet forward position, between edge, be of a size of 70mm;
On another diagonal of antenna-reflected plate 1, arrange with Central Symmetry
One feed B sheet 21 and the second feed B sheet 22, two feed B sheet forward positions are at a distance of 91～95mm; Wherein the first feed B sheet 21 below antenna-reflected plate 1 insulate with antenna-reflected plate 1, and it links with antenna lead by the second feeder line plate 23;
Described the second feed B sheet 22 and antenna-reflected plate 1 electrical connection;
The physical dimension of the first feed B sheet 21 and the second feed B sheet 22 is: feed B sheet forward position 27 is 40mm;
Feed B sheet front side edge 28 is 15mm;
After feed B sheet, be 30mm along 29;
Behind feed B sheet forward position, between edge, be of a size of 65mm;
Described the first feed A sheet 11 and the second feed A sheet 12 and first
The top of feed B sheet 21 and the second feed B sheet 22 mounts cover a guiding plate 50, and described guiding plate 50 is apart from feed tab top 6～10mm;
Described guiding plate 50 is of a size of 227～231mm × 227～231mm × 0.5mm.
The fixing hole 16 of described the first feed A sheet 11 and the second feed A sheet 12 is 10mm apart from feed A sheet forward position 17.
The fixing hole 26 of described the first feed B sheet 21 and the second feed B sheet 22 is 5mm apart from feed B sheet forward position 27.
On described guiding plate 50, add a cover a radome 52, made by plastic material.
The utility model has the advantages that:
One, size is little, is only 280mm × 280mm.
Two, excellent performance, 50m is with interior stable reception transmitting.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (4)
1. a 450MHz antenna assembly, is characterized in that, described device comprises:
One antenna-reflected plate (1) its be of a size of 272～276mm × 272～276mm ×
0.5mm；
On a diagonal of antenna-reflected plate (1), be provided with Central Symmetry
One feed A sheet (11) and the second feed A sheet (12), two feed A sheet forward positions are at a distance of 91～95mm; Wherein, at the first feed A sheet (11) and antenna-reflected plate (1) insulation of antenna-reflected plate (1) below, it links with antenna lead by the first feeder line plate (13);
Described the second feed A sheet (12) and antenna-reflected plate (1) electrical connection;
The physical dimension of the first feed A sheet (11) and the second feed A sheet (12) is:
Feed A sheet forward position 40mm;
Feed A sheet front side edge 15mm;
After feed A sheet along 30mm;
70mm between edge behind feed A sheet forward position;
On another diagonal of antenna-reflected plate (1), arrange with Central Symmetry
One feed B sheet (21) and the second feed B sheet (22), two feed B sheet forward positions are at a distance of 91～95mm; Wherein, at the first feed B sheet (21) and antenna-reflected plate (1) insulation of antenna-reflected plate (1) below, it links with antenna lead by the second feeder line plate (23);
Described the second feed B sheet (22) and antenna-reflected plate (1) electrical connection;
The physical dimension of the first feed B sheet (21) and the second feed B sheet (22) is: feed B sheet forward position 40mm;
Feed B sheet front side edge 15mm;
After feed B sheet along 30mm;
65mm between edge behind feed B sheet forward position;
Described the first feed A sheet (11) and the second feed A sheet (12) and first
The top of feed B sheet (21) and the second feed B sheet (22) mounts cover a guiding plate (50), and described guiding plate (50) is apart from feed tab top 6～10mm;
Described guiding plate (50) is of a size of 227～231mm × 227～231mm × 0.5mm.
2. 450MHz antenna assembly according to claim 1, is characterized in that:
The fixing hole (16) of described the first feed A sheet (11) and the second feed A sheet (12) is apart from feed A sheet forward position (17) 10mm.
3. 450MHz antenna assembly according to claim 1, is characterized in that:
The fixing hole (26) of described the first feed B sheet (21) and the second feed B sheet (22) is apart from feed B sheet forward position (27) 5mm.
4. 450MHz antenna assembly according to claim 1, is characterized in that:
On described described guiding plate (50), add a cover a radome (52), made by plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238796.XU CN203813031U (en) | 2014-05-12 | 2014-05-12 | 450 MHz antenna apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238796.XU CN203813031U (en) | 2014-05-12 | 2014-05-12 | 450 MHz antenna apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813031U true CN203813031U (en) | 2014-09-03 |
Family
ID=51451747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238796.XU Withdrawn - After Issue CN203813031U (en) | 2014-05-12 | 2014-05-12 | 450 MHz antenna apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943971A (en) * | 2014-05-12 | 2014-07-23 | 良特电子科技(东莞)有限公司 | 450-MHz antenna manufacturing method and 450-MHz antenna device |
-
2014
- 2014-05-12 CN CN201420238796.XU patent/CN203813031U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943971A (en) * | 2014-05-12 | 2014-07-23 | 良特电子科技(东莞)有限公司 | 450-MHz antenna manufacturing method and 450-MHz antenna device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |