CN204145534U - Ceiling type wireless router - Google Patents
Ceiling type wireless router Download PDFInfo
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- CN204145534U CN204145534U CN201420607920.5U CN201420607920U CN204145534U CN 204145534 U CN204145534 U CN 204145534U CN 201420607920 U CN201420607920 U CN 201420607920U CN 204145534 U CN204145534 U CN 204145534U
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Abstract
The utility model discloses a kind of ceiling type wireless router, comprise housing and be built in pcb board and the ground plate of housing, described pcb board is electrically connected with ground plate, described ground plate is provided with antenna module, described antenna module comprises first day line component, the second antenna module and third antenna assembly, described first day line component is positioned in the Y-axis of substrate, and is provided with the first back gauge along between the direction first day line component and ground plate of Y-axis; Described second antenna module and third antenna assembly are symmetrically distributed in the both sides of Y-axis, Second Edge distance is provided with between second antenna module and ground plate along described in X-direction, be provided with the 3rd back gauge along between the described third antenna assembly of opposite direction and ground plate of X-axis, described second antenna module and third antenna assembly are formed with angle with X-axis respectively.The height of the utility model antenna module is little, can improve signal strength signal intensity and the receiving sensitivity of antenna, promotes the performance of router.
Description
Technical field
The utility model relates to a kind of router, particularly relates to a kind of ceiling type wireless router.
Background technology
In the research that the high speed wireless data of portable unit and routing device exchanges, the two-band WiFi system of 2.4G frequency range and 5G frequency range is attached most importance to research object.Up to now, 2x2 two-band WiFi antenna system has been widely used in ceiling type routing device.2x2 two-band WiFi antenna system refers to and be provided with two antennas on routing device, and correspondingly on a portable device arranges two antennas.
The nearly section time, in order to increase the transfer of data of router and portable terminal device further, propose a kind of 3x3 band antenna system being applied to ceiling type router.For the scheme of ceiling type router, the antenna system of router has stricter condition compared with the antenna system of portable terminal device.This is because, in order to ensure the wireless receiving of signal under office environment, ceiling type wireless router at least should meet following requirement: (1) is in order to increase ceiling type router coverage, signal strength signal intensity and sensitivity, on a certain specific vertical plane, antenna least gain must be greater than 0dBi, here, specific vertical plane is the elevation angle of ceiling and the z-axis angle of router antenna system is 60 °, consults Fig. 1; (2) isolation between antennae must be better than-15dB.In prior art, IFA formula multiband WiFi antenna system has been applied to 3x3 ceiling type router, but the height of its antenna is greater than 15mm, and therefore, the router thickness of manufacture is thicker, and heavier-weight is unfavorable for the installation of ceiling type router.In addition, even if be greater than the IFA antenna of 15mm for existing antenna height, above-mentioned requirements (1) also could not be met.For this reason, be necessary to be further improved antenna system in above-mentioned ceiling type router.
Utility model content
Technical problem to be solved in the utility model is: provide that a kind of thickness is thin, signal strength signal intensity is high and sensitivity is better, is particularly suitable for the ceiling type wireless router of office environment practicality.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of ceiling type wireless router, comprise housing and be built in pcb board and the ground plate of housing, described pcb board is electrically connected with ground plate, described ground plate is provided with antenna module, described antenna module comprises first day line component, the second antenna module and third antenna assembly, described first day line component is positioned in the Y-axis of substrate, and is provided with the first back gauge along between the direction first day line component and ground plate of Y-axis; Described second antenna module and third antenna assembly are symmetrically distributed in the both sides of Y-axis, Second Edge distance is provided with between second antenna module and ground plate along described in X-direction, the 3rd back gauge is provided with along between the described third antenna assembly of opposite direction and ground plate of X-axis, described second antenna module and third antenna assembly are formed with angle with X-axis respectively, wherein, described Y-axis and X-axis are for initial point with the center of ground plate, the broadside of ground plate is upwards Y direction, and long limit is to the right the coordinate system of X-direction foundation.
The beneficial effects of the utility model are: be different from ceiling type wireless router thickness of the prior art larger, heavier mass, be not easy to install, and signal strength signal intensity is bad, the problem that receiving sensitivity is poor, the utility model provides a kind of ceiling type wireless router, comprise housing and be built in the ground plate in housing, this ground plate is provided with antenna module, be respectively first day line component, second antenna module and third antenna assembly, first day line component is arranged in Y-axis, second antenna module and third antenna assembly are symmetricly set on the both sides of Y-axis, the height of antenna module is little, the thickness of router can be reduced, be conducive to installing.In addition, the first back gauge is left along Y direction first day line component and ground plate, Second Edge distance is left between second antenna module and ground plate along described in X-direction, the 3rd back gauge is left along between the described third antenna assembly of opposite direction and ground plate of X-axis, first back gauge, Second Edge distance and the 3rd back gauge will be able to regulate according to design, in addition, second antenna module and third antenna assembly are provided with angle with X-axis respectively, signal strength signal intensity and the receiving sensitivity of antenna can be improved by debugging back gauge and angle, promote the performance of router.
Accompanying drawing explanation
The schematic diagram of Fig. 1 to be router radiating surface and ceiling perpendicular bisector be 60 ° of angles (specific vertical plane);
Fig. 2 is the structural representation of the utility model ceiling type wireless router;
Fig. 3 is the perspective view of the utility model ceiling type wireless router;
Fig. 4 is the return loss plot figure of the utility model first day line component and the second antenna module;
Fig. 5 is the isolation curve chart of the utility model first day line component and the second antenna module;
Fig. 6 is that the gain of the first day line component of the utility model 2.4G frequency band is at specific vertical plane curve chart;
Fig. 7 is that the gain of the second antenna module of the utility model 2.4G frequency band is at specific vertical plane curve chart;
Fig. 8 is that the gain of the first day line component of the utility model 5.5G frequency band is at specific vertical plane curve chart;
Fig. 9 is that the gain of the second antenna module of the utility model 5.5G frequency band is at specific vertical plane curve chart;
Figure 10 is the curve chart of gain in specific vertical plane one embodiment of the second antenna module of the utility model 5.5G frequency band;
Figure 11 is the curve chart of gain in specific another embodiment of vertical plane of the second antenna module of the utility model 5.5G frequency band;
Figure 12 is the curve chart of the another embodiment of isolation of the utility model first day line component and the second antenna module.
Label declaration:
1, router; 2, ground plate; 3, third antenna assembly; 4, the second antenna module; 5, first day line component; 6, feed contact; 7, ground contact; 31, the 3rd back gauge; 32/42, angle; 41, Second Edge distance; 51, the first back gauge.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of the utility model most critical is: on ground plate, arrange three antenna modules, the thickness of these three antenna modules is less, lightweight being convenient to is installed, and the direction of first day line component, the second antenna module and third antenna assembly is arranged and back gauge setting, and second the angle of antenna module and third antenna assembly and X-axis arrange, signal strength signal intensity and the receiving sensitivity of antenna can be improved, promote the performance of router.
Please refer to Fig. 1 and Fig. 3, a kind of ceiling type wireless router, this router one comprises housing and is built in pcb board and the ground plate 2 of housing, described pcb board is electrically connected with ground plate 2, described ground plate 2 is provided with antenna module, described antenna module comprises first day line component 5, second antenna module 4 and third antenna assembly 3, and described first day line component 5 is positioned in the Y-axis of substrate, and is provided with the first back gauge 51 along between the direction first day line component 5 and ground plate 2 of Y-axis; Described second antenna module 4 and third antenna assembly 3 are symmetrically distributed in the both sides of Y-axis, along being provided with Second Edge described in X-direction between the second antenna module 4 and ground plate 2 apart from 41, the 3rd back gauge 31 is provided with along between the described third antenna assembly 3 of opposite direction and ground plate 2 of X-axis, described second antenna module 4 is formed with angle 42 with X-axis, and third antenna assembly 3 is formed with angle 32 with X-axis, wherein, described Y-axis and X-axis are for initial point with the center of ground plate 2, the broadside of ground plate 2 is upwards Y direction, and long limit is to the right the coordinate system of X-direction foundation.The first above-mentioned back gauge 51, Second Edge can adjust according to concrete requirement apart from the 41, the 3rd back gauge 31, angle β, thus can improve the performance of whole antenna module.
From foregoing description, the beneficial effects of the utility model are: be different from ceiling type wireless router thickness of the prior art larger, heavier mass, be not easy to install, and signal strength signal intensity is bad, the problem that receiving sensitivity is poor, the utility model provides a kind of ceiling type wireless router, comprise housing and be built in the ground plate 2 in housing, this ground plate 2 is provided with antenna module, be respectively first day line component 5, second antenna module 4 and third antenna assembly 3, first day line component 5 is arranged in Y-axis, second antenna module 4 and third antenna assembly 3 are symmetricly set on the both sides of Y-axis, the height of antenna module is little, the thickness of router can be reduced, be conducive to installing.In addition, the first back gauge Dy is left along Y direction first day line component 5 and ground plate 2, along leaving Second Edge described in X-direction between the second antenna module 4 and ground plate 2 apart from Dx, the 3rd back gauge Dx is left along between the described third antenna assembly 3 of opposite direction and ground plate 2 of X-axis, first back gauge, Second Edge distance and the 3rd back gauge 31 will be able to regulate according to design, add, second antenna module 4 and third antenna assembly 3 are provided with angle β with X-axis respectively, signal strength signal intensity and the receiving sensitivity of antenna can be improved by debugging back gauge and angle, promote the performance of router.
Further, the height of described first day line component 5, second antenna module 4 and third antenna assembly 3 is 4mm-8mm.4mm-8mm is the scheme of best preferred antenna height, and seen from the above description, the antenna module height of this programme is all less than antenna height of the prior art, make the thickness of router little like this, lighter weight, is convenient to the installation of router, reduces installing space simultaneously.
Further, described first day line component 5, second antenna module 4 and third antenna assembly 3 are provided with feed contact 6 and ground contact 7, described ground contact 7 is positioned at antenna module end and near the center of ground plate 2, described feed contact 6 is electrically connected with ground plate 2 respectively with ground contact 7.Electric performance stablity between antenna module and ground plate 2, also can reduce the height of antenna module simultaneously further.
Further, described first day line component 5, second antenna module 4 and third antenna assembly 3 are PIFA antenna, and first day line component 5, second antenna module 4 and third antenna assembly 3 receive simultaneously or launch WiFi2.4G frequency band signals and WiFi5G frequency band signals.Antenna module in PIFA antenna is parallel with ground plate 2, and relative to IFA formula multiband WiFi antenna, its antenna module is vertical with ground plate 2, therefore adopts one of benefit of PIFA antenna to be the height that can reduce antenna module.
Further, the length of described first day line component 5, second antenna module 4 and third antenna assembly 3 is all about the quarter-wave of 2.4G frequency and the quarter-wave sum of 5G frequency.The signal stabilization of this antenna module, receiving sensitivity is better.
Further, described second antenna module 4 and third antenna assembly 3 are 10 °-40 ° with the angle of X-axis.The restriction of this angular range not to angle, angle can regulate according to the demand of reality, its object is to the performance improving antenna.Based on the structure of this programme, the scheme only doing to change in angle is all in the protection range of the application.
Further, there is best isolation spacing with third antenna assembly 3 in described second antenna module 4, this spacing is relevant to the size of ground plate 2, and it can regulate according to the demand of reality, its object is to the performance improving antenna.Generally speaking, the less condition of spacing (1) more easily meets, but isolation is poorer; The larger condition of spacing (1) is more difficult on the contrary meets, but isolation is better.When only having the spacing between described first day line component 5 second antenna module 4 and third antenna assembly 3 to be greater than 1/4 wavelength of frequency 2.4GHz, the isolation of antenna just can reach best and meet technical requirement.When the back gauge of antenna sets is not less than certain value, the intensity of aerial signal and receiving sensitivity just can reach best.Only have when the absolute and relative position of antenna module on ground plate 2 (comprises the respective position of each antenna of antenna sets, second and spacing between the angle of third antenna group and X-axis and three antennas) when reaching an optimum value, condition (1) and isolation condition (2) could be met simultaneously.Angle and isolation spacing are the Two Variables affecting antenna module performance, and its regulate factors is also relevant to the size of ground plate 2.Such as, under ground plate 2 is of a size of the condition of 120mm x 120mm, the height of antenna module is 5mm, and the second antenna module 4 exists best isolation spacing and angle with third antenna assembly 3, now the best back gauge Dx of antenna module is 9.57mm, and optimum angle β is 25 °.
Please refer to Fig. 4-Figure 12, Fig. 4-Fig. 9 is the various performance parameters curve of this programme antenna module when the position of antenna sets is the best, and Figure 10-12 is the various performance parameters curve of the antenna module when the position of antenna sets and optimum bit are equipped with certain deviation.Wherein, the second antenna module 4 and third antenna assembly 3 are symmetrical structure, and both performances are similar, can represent with wherein one group of antenna.The return loss plot figure that Fig. 4 is the utility model first day line component 5 and the second antenna module 4 and Fig. 5 is the isolation curve chart of the utility model first day line component 5 and the second antenna module 4, as can be seen from Fig. 4 and Fig. 5, first day line component 5 and the second antenna module 4 return loss and isolation loss all meet the specification of antenna, having the poorest isolation at 2.5G is-15.368dB, be better than normal value-15dB, therefore, the return loss of antenna module and isolation better.Fig. 6 is that the antenna gain of the first day line component 5 of the utility model 2.4G frequency band is at specific vertical plane curve chart, and Fig. 7 is that the antenna gain of the second antenna module 4 of the utility model 2.4G frequency band is at specific vertical plane curve chart, from Fig. 6 and Fig. 7, we can draw, when specific vertical plane (θ=60 °), the antenna least gain of first day line component 5 and the second antenna module 4 is all better than 0dBi.Fig. 8 is that the antenna gain of the first day line component 5 of the utility model 5.5G frequency band is at specific vertical plane curve chart, Fig. 9 is that the antenna gain of the second antenna module 4 of the utility model 5.5G frequency band is at specific vertical plane curve chart, as can be seen from Fig. 8 and Fig. 9, when specific vertical plane (θ=60 °), the antenna least gain of first day line component 5 and the second antenna module 4 is all better than 0dBi.
In order to the importance of this case antenna sets position on ground plate 2 is described, discuss to the characteristic of the antenna when the position of antenna sets and its optimum bit are equipped with certain deviation below.Experimental data curve figure behind Figure 10-Figure 12 its optimum position that has been the position deviation of antenna module on ground plate 2, Figure 10 is the curve chart of gain in specific vertical plane one embodiment of the second antenna module 4 of the utility model 5.5G frequency band, in this embodiment, angle β is 0 °, as can be seen from Figure 10, when deflection is 20.34 °, the gain of antenna is minimum and its value is-1.261dBi, this point and environs do not meet the requirement of 0dBi, and above result suffices to show that the scope of angle β can affect the performance of antenna module; Figure 11 is the curve chart of gain in specific another embodiment of vertical plane of the second antenna module 4 of the utility model 5.5G frequency band, in this embodiment, the second antenna module 4 and third antenna assembly 3 are respectively to the outside mobile 5mm of ground plate 2 (Dx=Dx – 5mm), as can be seen from Figure 11 we, the angular range (angular range of deflection is 68 °) of mark 1 to mark 2 does not meet the requirement of 0dBi, and minimum antenna gain is-1.152dBi at mark 3 (deflection is 335.3 °); Figure 12 is the utility model. the curve chart of the another embodiment of isolation between the second antenna module 4 and third antenna assembly 3, in this embodiment, the second antenna module 4 and third antenna assembly 3 are respectively towards the inner mobile 5mm (Dx=Dx+5mm) of ground plate 2, as can be seen from Figure 12 we, isolation spacing between second antenna module 4 and third antenna assembly 3 reduces 10mm, isolation is now-12.367, does not meet the requirement of-15dB.Can draw from Figure 10-Figure 12, by optimizing the size of the first back gauge, Second Edge distance, the 3rd back gauge 31 and angle parameter, the designing requirement of antenna can be met, and preferred antenna scheme can be obtained further, promote the performance index of whole router.In sum, the ceiling type wireless router that the utility model provides, comprise housing and be built in the ground plate in housing, this ground plate is provided with antenna module, be respectively first day line component, the second antenna module and third antenna assembly, first day line component is arranged in Y-axis, and the second antenna module and third antenna assembly are symmetricly set on the both sides of Y-axis.In addition, the first back gauge is left along Y direction first day line component and ground plate, Second Edge distance is left between second antenna module and ground plate along described in X-direction, the 3rd back gauge is left along between the described third antenna assembly of opposite direction and ground plate of X-axis, first back gauge, Second Edge distance and the 3rd back gauge will be able to regulate according to design, add, the second antenna module and third antenna assembly are provided with angle with X-axis respectively, and the advantage of this programme is as follows:
1, have intensity and the receiving sensitivity of better signal, be applicable to being applied to working environment, at whole specific vertical plane, the installation site of antenna module the best makes all antenna modules have better gain;
2, the height of antenna module is little, is only 4mm-8mm, and adopt PIFA antenna to replace IFA antenna, the antenna module in PIFA antenna is parallel with ground plate;
3, antenna module system configuration is simple, is convenient to produce and assembling formation ceiling type wireless router, and production efficiency is high;
4, the antenna module of this programme can all ceiling type schemes, as access point apparatus, and routing device and gateway device etc.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a ceiling type wireless router, comprise housing and be built in pcb board and the ground plate of housing, described pcb board is electrically connected with ground plate, it is characterized in that, described ground plate is provided with antenna module, described antenna module comprises first day line component, the second antenna module and third antenna assembly, and described first day line component is positioned in the Y-axis of substrate, and is provided with the first back gauge along between the direction first day line component and ground plate of Y-axis; Described second antenna module and third antenna assembly are symmetrically distributed in the both sides of Y-axis, Second Edge distance is provided with between second antenna module and ground plate along described in X-direction, the 3rd back gauge is provided with along between the described third antenna assembly of opposite direction and ground plate of X-axis, described second antenna module and third antenna assembly are formed with angle with X-axis respectively, wherein, described Y-axis and X-axis are for initial point with the center of ground plate, the broadside of ground plate is upwards Y direction, and long limit is to the right the coordinate system of X-direction foundation.
2. ceiling type wireless router according to claim 1, is characterized in that, the height of described first day line component, the second antenna module and third antenna assembly is 4mm-8mm.
3. ceiling type wireless router according to claim 1, it is characterized in that, described first day line component, the second antenna module and third antenna assembly are provided with feed contact and ground nodes, described ground nodes is positioned at antenna module end and near the center of ground plate, described feed node is electrically connected with ground plate respectively with ground contact.
4. ceiling type wireless router according to claim 1, it is characterized in that, described first day line component, the second antenna module and third antenna assembly are PIFA antenna, and first day line component, the second antenna module and third antenna assembly receive simultaneously or launch WiFi2.4G frequency band signals and WiFi5G frequency band signals.
5. ceiling type wireless router according to claim 1, is characterized in that, the length of described first day line component, the second antenna module and third antenna assembly is the quarter-wave of 2.4G frequency and the quarter-wave sum of 5G frequency.
6. the ceiling type wireless router according to any one of claim 1-5, is characterized in that, the angle of described second antenna module and third antenna assembly and X-axis is 10 °-40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607920.5U CN204145534U (en) | 2014-10-20 | 2014-10-20 | Ceiling type wireless router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420607920.5U CN204145534U (en) | 2014-10-20 | 2014-10-20 | Ceiling type wireless router |
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| Publication Number | Publication Date |
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| CN204145534U true CN204145534U (en) | 2015-02-04 |
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| CN201420607920.5U Active CN204145534U (en) | 2014-10-20 | 2014-10-20 | Ceiling type wireless router |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270318A (en) * | 2014-10-20 | 2015-01-07 | 深圳市信维通信股份有限公司 | Ceiling type wireless router |
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- 2014-10-20 CN CN201420607920.5U patent/CN204145534U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104270318A (en) * | 2014-10-20 | 2015-01-07 | 深圳市信维通信股份有限公司 | Ceiling type wireless router |
| CN104270318B (en) * | 2014-10-20 | 2018-07-06 | 深圳市信维通信股份有限公司 | Ceiling type wireless router |
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