CN206742500U - Radiating guide and receiving system - Google Patents
Radiating guide and receiving system Download PDFInfo
- Publication number
- CN206742500U CN206742500U CN201720505726.XU CN201720505726U CN206742500U CN 206742500 U CN206742500 U CN 206742500U CN 201720505726 U CN201720505726 U CN 201720505726U CN 206742500 U CN206742500 U CN 206742500U
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- antenna
- radiating guide
- metal
- metal frame
- bottom plate
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Abstract
A kind of radiating guide, including：Bottom plate；At least two joints, are arranged on bottom, for accessing signal from outside；With the antenna element of joint number equal number, be arranged on bottom plate and with joint respectively it is corresponding electrical connection；And antenna house, it is connected on bottom plate and covers antenna element, wherein, the antenna polarization direction of adjacent two antenna elements is vertical.Because have multiple antenna elements, and the antenna polarization direction of adjacent two antenna elements is vertical, so the radiating guide solves and decays big in signals transmission, the shortcomings that interference free performance difference, improves channel capacity and signal transmission quality again.Received using radiating guide of the present utility model and leakage twin-guide antenna match, so form intactly RF radio frequency links, the receiving system is applied in rail transit field communication, it is small with decaying in signals transmission, the advantages of strong anti-interference performance, while there is high channel capacity and good signal transmission quality again.
Description
Technical field
Wireless communication field is the utility model is related to, particularly applies in track traffic communication and uses MIMO (multichannels
Input multiple-channel output) technology radiating guide.
Background technology
Since stepping into 21 century, with the rapid development of science and technology, the life of people increasingly modernizes and socialization, because
This application to electronic technology proposes higher requirement, and either military communication or commercial signal communication system does not require nothing more than high-quality
The information such as the transmission language of amount, word, image, data, and require that equipment is broadband, miniaturization.Antenna is as radiation and connects
The device of electromagnetic wave is received, is one of important component of radio communications system.
In commercial signal communication system, particularly the free wireless communication system of track traffic, its channel capacity constantly expand,
Transmission range constantly extends, and is all often by putting using powerful emitter or signal to meet communication quality
Come to antenna input signal greatly, thus considerably increase cost, therefore in the case where existing bandwidth is constant, be to improve
System capacity, a kind of new communication technology, i.e. MIMO (Multiple-Input Multiple-Output, multichannel input are emerged in large numbers
Multiple-channel output) technology.MIMO technology refers to that wireless network signal synchronizes transmitting-receiving to suppress channel fading by multiple antenna,
Channel capacity is improved, improves the availability of frequency spectrum.Its technology is considered as that future mobile communications are realized at a high speed with PCS Personal Communications System
Rate data transfer, improve the important channel of transmission quality.
But the mode of the antenna transmission signal used in MIMO technology is free wireless mode at present, therefore it has signal
Decay it is big and the shortcomings that interference free performance is poor.
Utility model content
The utility model is exactly that decay that the antenna of existing MIMO technology has is big and interference free performance is poor to solve
The shortcomings that, propose a kind of new radiating guide.
A kind of radiating guide, including：Bottom plate；At least two joints, are arranged on bottom, for accessing signal from outside；
With the antenna element of joint number equal number, be arranged on bottom plate and with joint respectively it is corresponding electrical connection；And antenna house, even
It is connected on bottom plate and covers antenna element, wherein, the antenna polarization direction of adjacent two antenna elements is vertical.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, antenna list
Member includes metal frame, the metal step block being arranged in the metal frame and the metal bottom seat board being connected with metal frame,
Metal bottom seat board electrically connects with joint, and the bottom of metal step block electrically connects with metal bottom seat board.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, metal rank
Terraced block has upper part and the lower part for the overlapping that is leveled up and down with the upper part, and upper and bottom section is cuboid, metal
The bottom surface of the lower part of ladder block contacts with metal bottom seat board.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, metal frame
The cross section of body is rectangle, and the length direction of two neighboring metal frame is mutually perpendicular to, the outer end of the upper part of metal step block
Face contacts with the long side inner thread pressing of metal frame.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, metal rank
Terraced block is located at the positive and negative 5mm of the point midway of the long side of metal frame.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, adjacent two
The long side outer wall of individual metal frame and the distance of short side outer wall are 50mm to 100mm.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, metal frame
The size of body is the size of standard rectangular waveguide.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, joint is
Brass nickel plating or the radio-frequency joint of stainless steel, bottom plate are aluminium alloy plate.
Radiating guide provided by the utility model, it can also have the feature that, it is characterised in that：Wherein, antenna house
For the antenna house of electromagnetic wave transparent material.
The utility model also provides a kind of receiving system for supporting MIMO technology, it is characterised in that：The signal receives
System received using above-mentioned radiating guide and leakage twin-guide antenna match, and intactly radio frequency link carries out signal to composition
Reception communication.
Utility model acts on and effect
According to radiating guide provided by the utility model, because there are multiple antenna elements, and adjacent two days
The antenna polarization direction of line unit is vertical, is decayed so the radiating guide solves in signals transmission greatly, anti-interference
The shortcomings that poor performance, channel capacity and signal transmission quality are improved again.
Simultaneously in order to which closer to its signal transmission quality is further improved, the utility model additionally provides a kind of support MIMO
The receiving system of technology, received using radiating guide of the present utility model and leakage twin-guide antenna match, so formed
Intactly RF radio frequency links, the receiving system are applied in rail transit field communication, have in signals transmission and decline
Reduce, the advantages of strong anti-interference performance, while there is high channel capacity and good signal transmission quality again.
Brief description of the drawings
Fig. 1 is the structural representation of radiating guide of the present utility model；
Fig. 2 is internal structure schematic diagram of the radiating guide of the present utility model after antenna house is pulled down；
Fig. 3 is the structural representation of the antenna element of radiating guide of the present utility model；And
Fig. 4 is the structural representation of the metal frame of radiating guide of the present utility model.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to the drawings, concrete structure of the present utility model is further described.
Fig. 1 is the structural representation of radiating guide of the present utility model.
Fig. 2 is internal structure schematic diagram of the radiating guide of the present utility model after antenna house is pulled down.
As shown in Figure 1, 2, the radiating guide 100 of the present embodiment includes bottom plate 10, joint 20, antenna element 30 and antenna
Cover 40.
Bottom plate 10 is the aluminium alloy plate of rectangle, is provided with two mounting holes of two joints 20 of installation in fact.
Multiple joints 20, from brass nickel plating or the radio-frequency joint of stainless steel, the number of the present embodiment center tap 20
For two (20a, 20b), on two mounting holes of bottom plate 10, expose and outside signal wire is conductively connected part, use
In from outside access signal.
With the antenna element 30 of the number equal number of joint 20, the present embodiment is two, is arranged on bottom and and joint
20 correspond to electrical connection respectively.The antenna polarization direction of two adjacent antenna elements 30 be it is vertical, as shown in Figure 2.
Fig. 3 is the structural representation of the antenna element of radiating guide of the present utility model.
As shown in Figure 2,3, each antenna element 30 includes metal frame 31, the metal rank being arranged in the metal frame 31
Terraced block 32 and the metal bottom seat board 33 being connected with metal frame 31.Two antenna elements 30a and 30b are used in the present embodiment.
Fig. 4 is the structural representation of the metal frame of radiating guide of the present utility model.
Metal frame 31 is the rectangular waveguide of standard, and cross section is rectangle, as shown in figure 4, its dimensional parameters reference《GB
11450.2-1989 hollow metal waveguide part 2:The relevant specification of normal rectangular waveguide》Be designed it is selected, in the present embodiment
The R48 waveguide bores of standard are used, are highly selected according to actual conditions.As shown in Figure 1, 2, two be disposed adjacent
Metal frame 31 is mutually perpendicular in length direction, and the long side outer wall of some metal frame 31 and another metal frame 31 is short
The distance of side outer wall is 50mm to 100mm, the present embodiment 50mm.
Metal step block 32 is located at the point midway of the long side of metal frame 31, allows positive and negative 5mm's during actual fabrication
Deviation.It has upper part and the lower part for the overlapping that is leveled up and down with the upper part, upper and bottom section are cuboid, under
Partial bottom surface contacts conduction with metal bottom seat board 33, and the outer face of upper part passes through screw thread with the long side inwall of metal frame 31
Pressing contact and it is conductive.As shown in Figure 1, 2, two metal step blocks 32 being disposed adjacent are also mutually to hang down in length bearing of trend
Straight.
Metal bottom seat board 33 electrically connects with joint 20, and is insulated by insulating materials and bottom plate 10.
What metal frame 31 was formed in one with metal bottom seat board 33, using aluminium alloy or Copper alloy material, in metal
The marginal position of bedplate 33 is threaded hole and is fixedly connected by bolt with bottom plate 10, keeps bottom plate 10 and antenna element 30
Insulation.
Antenna house 40, it is connected on bottom plate and covers antenna element 30, is the antenna house of electromagnetic wave transparent material in the present embodiment.
Further, the present embodiment also provides a kind of receiving system for supporting MIMO technology, and the receiving system is
Received using above-mentioned radiating guide and leakage twin-guide antenna match, form complete RF radio frequency links to carry out connecing for signal
Receive communication.
Principle Analysis
Antenna element 30a is a kind of linear polarization, and antenna element 30b is another line with antenna element 30a polarization orthogonals
Polarization (i.e., the antenna polarization direction of two adjacent antenna elements is vertical).Antenna element 30a and antenna element
30b be all by the use of waveguide transmissions line as antenna, i.e., it is theoretical using waveguide transmission line, it is suitable in existing standard by selecting
Interior chamber size a, b, as shown in Figure 4, you can meet the Electromagnetic Wave Propagation of a certain frequency range.Therefore waveguide is given in one end by joint 10
Manage (i.e., metal frame 31) feed, other end open circuit (i.e., Fig. 2 and Fig. 3 metal frame upper opening), you can as antenna
Use, to receive and launch frequency electromagnetic waves.
The effect of embodiment and beneficial effect
The radiating guide provided according to the present embodiment, because there are multiple antenna elements, and adjacent two antennas
The antenna polarization direction of unit is vertical, so the radiating guide solves big, the anti-interference that decays in signals transmission
Can be poor the shortcomings that, channel capacity and signal transmission quality are improved again.
Further, waveguide feed end design a metal staircase match block, meet input resistant matching will
Ask, and then adapt to wide band job requirement.
Because the antenna polarization direction of the two neighboring antenna element in the radiating guide of this implementation is being physically
Vertical, so the radiating guide of the present embodiment is rotated by 90 °, two antenna elements are used interchangeably, and enhance radiating guide
Engineering adaptability.
Simultaneously in order to which closer to its signal transmission quality is further improved, the utility model additionally provides a kind of support MIMO
The receiving system of technology, received using radiating guide of the present utility model and leakage twin-guide antenna match, so formed
Intactly RF radio frequency links, the receiving system are applied in rail transit field communication, have in signals transmission and decline
Reduce, the advantages of strong anti-interference performance, while there is high channel capacity and good signal transmission quality again.Pass through experiment pair
Than finding, compared with microstrip antenna, dipole antenna are as reception antenna, in the leakage double wave lead antenna with supporting MIMO technology
With the use of when, the signal received is more steady, and coupling performance has been lifted.
Claims (10)
1. a kind of radiating guide, including：
Bottom plate；
At least two joints, set on said bottom, for accessing signal from outside；
With the antenna element of the joint number equal number, be arranged on the bottom plate and with the joint is corresponding respectively is electrically connected
Connect；And
Antenna house, it is connected on the bottom plate and covers the antenna element,
Wherein, the antenna polarization direction of two adjacent antenna elements is vertical.
2. radiating guide according to claim 1, it is characterised in that：
Wherein, the antenna element include metal frame, the metal step block that is arranged in the metal frame and with the gold
Belong to the metal bottom seat board of framework connection,
The metal bottom seat board electrically connects with the joint,
The bottom of the metal step block electrically connects with the metal bottom seat board.
3. radiating guide according to claim 2, it is characterised in that：
Wherein, the metal step block has upper part and a lower part for the overlapping that is leveled up and down with the upper part, the upper part
It is cuboid with the lower part,
The bottom surface of the lower part of the metal step block contacts with the metal bottom seat board.
4. radiating guide according to claim 2, it is characterised in that：
Wherein, the cross section of the metal frame is rectangle,
The length direction of the two neighboring metal frame is mutually perpendicular to,
The outer face of the upper part of the metal step block contacts with the long side inner thread pressing of the metal frame.
5. radiating guide according to claim 4, it is characterised in that：
Wherein, the metal step block is located at the positive and negative 5mm of the point midway of the long side of the metal frame.
6. radiating guide according to claim 4, it is characterised in that：
Wherein, the long side outer wall of two neighboring metal frame and the distance of short side outer wall are 50mm to 100mm.
7. radiating guide according to claim 2, it is characterised in that：
Wherein, the size of the metal frame is the size of standard rectangular waveguide.
8. radiating guide according to claim 1, it is characterised in that：
Wherein, the joint is the radio-frequency joint of brass nickel plating or stainless steel, and the bottom plate is aluminium alloy plate.
9. radiating guide according to claim 1, it is characterised in that：
Wherein, the antenna house is the antenna house of electromagnetic wave transparent material.
A kind of 10. receiving system for supporting MIMO technology, it is characterised in that：
The receiving system is the radiating guide and leakage double wave lead antenna in usage right requirement 1-9 described in any one
With reception, complete radio frequency link is formed to carry out the reception of signal communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505726.XU CN206742500U (en) | 2017-05-09 | 2017-05-09 | Radiating guide and receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505726.XU CN206742500U (en) | 2017-05-09 | 2017-05-09 | Radiating guide and receiving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206742500U true CN206742500U (en) | 2017-12-12 |
Family
ID=60564289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720505726.XU Withdrawn - After Issue CN206742500U (en) | 2017-05-09 | 2017-05-09 | Radiating guide and receiving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206742500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069218A (en) * | 2017-05-09 | 2017-08-18 | 中电科微波通信（上海）股份有限公司 | Radiating guide and receiving system |
-
2017
- 2017-05-09 CN CN201720505726.XU patent/CN206742500U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069218A (en) * | 2017-05-09 | 2017-08-18 | 中电科微波通信（上海）股份有限公司 | Radiating guide and receiving system |
| CN107069218B (en) * | 2017-05-09 | 2023-06-23 | 中电科微波通信（上海）股份有限公司 | Waveguide antenna and signal receiving system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20230623 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20230623 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |