CN208723913U - A kind of detection signal generator and dual polarized antenna - Google Patents
A kind of detection signal generator and dual polarized antenna Download PDFInfo
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- CN208723913U CN208723913U CN201821301775.2U CN201821301775U CN208723913U CN 208723913 U CN208723913 U CN 208723913U CN 201821301775 U CN201821301775 U CN 201821301775U CN 208723913 U CN208723913 U CN 208723913U
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Abstract
The utility model provides a kind of detection signal generator and dual polarized antenna, wherein detection signal generator includes: signal dividing cell, the first coupler and the second coupler；Signal dividing cell splits into the first shunting signal and the second shunting signal from signal source receiving source signal, by source signal, exports the first shunting signal to the first coupler, and output the second shunting signal to the second coupler；First coupler handles the first shunting signal, obtains and exports first detection signal；Second coupler handles the second shunting signal, obtains and exports the second detection signal.In this way, when will test signal generator applied to dual polarized antenna, two detection signals may make to be output to detection device without source chamber branch path via two RF signal input end mouths of dual polarized antenna and accordingly respectively, since two detection signals are determining and stablize, therefore the mismatch that can accurately detect the dual polarized antenna, has higher stability and accuracy.
Description
Technical field
The utility model relates to field of communication technology more particularly to a kind of detection signal generators and dual polarized antenna.
Background technique
With the development of internet technology, network quality and the demand of flow are higher and higher, and indoor spaces can pass through room
Interior distribution antenna-feeder system enhances covering and hoist capacity.Dual polarized antenna is as room divided antenna, and there are two radio frequencies to input for tool
Port sends vertical polarization signal and horizontal polarization signals via corresponding radio frequency feed line channel, enhances in-door covering and peak value
Rate.The loss value mismatch in two radio frequency feed line channels directly affects the coverage effect of dual polarized antenna, it is therefore desirable to monitor
The loss value mismatch of dual polarized antenna signal, and adjusted in time in mismatch, to guarantee the coverage effect of dual polarized antenna.
In the prior art, the mismatch of dual polarized antenna, but the stabilization of this scheme can be monitored based on RFID tag
Property is poor.
As it can be seen that the technical problem that existing mismatch detection scheme is poor there are stability.
Utility model content
The utility model embodiment provides a kind of detection signal generator and dual polarized antenna, to solve existing mismatch
The detection scheme technical problem poor there are stability.
To achieve the goals above, the utility model embodiment provides a kind of detection signal generator, comprising: signal point
Flow unit, the first coupler and the second coupler；
Wherein, the signal dividing cell is connect with information source, first coupler and second coupler respectively；Institute
Signal dividing cell is stated from the signal source receiving source signal, the source signal is split into the first shunting signal and second point
Signal, output first shunting signal to first coupler, and output second shunting signal are flowed to described second
Coupler；First coupler handles first shunting signal, obtains first detection signal, and exports described
One detection signal；Second coupler handles second shunting signal, obtains the second detection signal, and export institute
State the second detection signal.
Optionally, the signal dividing cell includes information source port, the first output port and second output terminal mouth, the letter
Number dividing cell receives the source signal by the information source port, and passes through first output port output described first
Shunting signal exports second shunting signal by the second output terminal mouth；
First coupler includes first input port and the first isolated port, the first input port and described the
The connection of one output port, first coupler receives first shunting signal by the first input port, and passes through
First isolated port exports the first detection signal；
Second coupler includes the second input port and the second isolated port, second input port and described the
The connection of two output ports, second coupler receives second shunting signal by second input port, and passes through
Second isolated port output the second detection signal.
Optionally, the signal dividing cell is electric bridge, alternatively, power splitter.
Optionally, when the signal dividing cell is electric bridge, the electric bridge further includes impedance matching port, the electric bridge
It is connect by the impedance matching port with matching element.
Optionally, the first coupler is directional coupler, and/or, second coupler is directional coupler.
Optionally, first coupler is identical as the isolation angle value of second coupler.
Optionally, first coupler is identical as the coupling angle value of second coupler.
To achieve the goals above, the utility model embodiment additionally provides a kind of dual polarized antenna: including any of the above-described
The detection signal generator of item.
Optionally, the dual polarized antenna further include:
First oscillator input port, the first oscillator input port are connect with first coupler, first inspection
Signal is surveyed to export by the first oscillator input port；
Second oscillator input port, the second oscillator input port are connect with second coupler, second inspection
Signal is surveyed to export by the second oscillator input port.
Optionally, the dual polarized antenna further include:
First oscillator, the signal input part of first oscillator are connect with the first coupling port of first coupler；
Second oscillator, second oscillator is vertical with first oscillator, the signal input part of second oscillator and institute
State the second coupling port connection of the second coupler.
In the utility model embodiment, detection signal generator can handle source signal shunting to obtain two detection letters
Number, to may make two detection signals respectively via dual polarization when will test signal generator applied to dual polarized antenna
Two RF signal input end mouths of antenna and it is output to detection device without source chamber branch path accordingly, due to two detection signals
It is determining and stable, therefore the mismatch of the dual polarized antenna can be accurately detected, have higher stability and accuracy.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for detecting signal generator provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another detection signal generator provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of dual polarized antenna provided by the embodiment of the utility model；
Fig. 4 is the detection schematic diagram of dual polarized antenna provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, for a kind of structural schematic diagram for detecting signal generator provided by the embodiment of the utility model.Such as Fig. 1
Shown, which may include: signal dividing cell 110, the first coupler 120 and the second coupler
130。
Wherein, the signal dividing cell 110 respectively with information source (not shown), first coupler 120 and institute
State the connection of the second coupler 130；The signal dividing cell 110 is from the signal source receiving source signal, by the source signal
It splits into the first shunting signal and the second shunting signal, exports first shunting signal to first coupler 120 and defeated
Second shunting signal is to second coupler 130 out；First coupler 120 carries out first shunting signal
Processing, obtains first detection signal, and export the first detection signal；Second coupler 130 is shunted to described second
Signal is handled, and the second detection signal is obtained, and exports the second detection signal.
In the utility model embodiment, detection signal generator can handle source signal shunting to obtain two detection letters
Number, to may make two detection signals respectively via dual polarization when will test signal generator applied to dual polarized antenna
Two RF signal input end mouths of antenna and it is output to detection device without source chamber branch path accordingly, due to two detection signals
It is determining and stable, therefore the mismatch of the dual polarized antenna can be accurately detected, have higher stability and accuracy.
In a specific embodiment, as shown in Figure 1, the signal dividing cell 110 may include information source port 111,
First output port 112 and second output terminal mouth 113.The information source port 111 can be connect with information source.The signal dividing cell 110
Source signal can be split into the first shunting signal and second and shunted by information source port 111 from signal source receiving source signal
Signal, and the first shunting signal is exported by the first output port 112, it is shunted and is believed by the output of second output terminal mouth 113 second
Number.
First coupler 120 may include first input port 121, the first isolated port 122 and the first coupling port
123.The first input port 121 is connect with the first output port 112.First coupler 120 can pass through first input end
Mouth 121 receives the first shunting signals, and exports first detection signal by the first isolated port 122.Further, when first point
The processing that signal passes through the first coupler 120 is flowed, the first coupled signal can also be obtained, and defeated by the first coupling port 123
Out.
Second coupler 130 may include the second input port 131, the second isolated port 132 and the second coupling port
133, which connect with second output terminal mouth 113.Second coupler 130 can pass through the second input terminal
Mouth 131 receives the second shunting signals, and passes through the second isolated port 132 output the second detection signal.Further, when second point
When flowing processing of the signal by the second coupler 130, the second coupled signal can also be obtained, and pass through the second coupling port 123
Output.
Specifically, the 111 received source signal of institute of information source port of signal dividing cell 110 can be Bluetooth signal, nothing
Line network signal etc..When being applied to dual polarized antenna in view of source signal generator 100, it is chiefly used in indoor coverage of signal, because
This can be preferably Bluetooth signal, detection signal can be accurately positioned indoors, and power consumption is smaller.
Optionally, when the shunting of signal dividing cell 110 obtains two shunting signals, source signal can be divided into
Complete two equal signals.Certainly, source signal can also be split into two and is not completely equivalent by the signal dividing cell 110
Signal, be not limited thereto.
In a kind of specific embodiment, signal dividing cell 110 can be electric bridge, alternatively, power splitter.When specific implementation,
Received source signal can be split into two shunting signals by electric bridge or power splitter, and by adjusting relevant parameter control
The ratio of two shunting signals.Preferably, the signal dividing cell 110 is electric bridge, and power consumption is smaller.
When specific implementation, the detection signal generator in the utility model embodiment can be applied to the mistake of dual polarized antenna
With scenes such as degree detections.For example, can first will test at signal generator in the mismatch detection for being applied to dual polarized antenna
Obtained two detection signals are managed respectively via accordingly without exporting after the processing of source chamber branch path, then by detection device to accordingly defeated
The relevant parameter of signal is detected out.
In a kind of specific embodiment, the power of the first detection signal and the second detection signal be chosen as it is identical, so as to
In subsequent detection process.
Further, the power of signal dividing cell 110 exports the first shunting signal and the second shunting signal can also be with
It is identical.In this way, identical as the second detection power of signal convenient for control first detection signal.
In a kind of specific embodiment, as shown in Fig. 2, signal dividing cell 110 is chosen as electric bridge, which further includes resistance
Anti- matching port 114, the electric bridge can be connect by impedance matching port 114 with matching element 115.Specifically, as shown in Fig. 2,
Electric bridge may include four ports.One of port is as information source port 111, for receiving source signal, other two port
Respectively as the first output port 112 and second output terminal mouth 113, the last one port can be used as impedance matching port 114,
For matching connection element 115.Wherein, the load of matching element 115 is mainly used for the output loading of balanced bridge, to control two
The power ratio of a output port output signal.
When it is implemented, matching element 115 is chosen as resistance, the resistance value of resistance is chosen as 30 ohm to 70 ohm, with
The output loading range of electric bridge matches.Preferably, the resistance value of resistance can be selected as 50 by the power characteristic based on common electric bridge
Ohm, to guarantee the output power highest of electric bridge, the output signal power of two output ports be closer to it is even essentially equal, just
Detection with subsequent output signal loss power operates.
In a kind of specific embodiment, the first coupler 120 can be identical with the isolation angle value of the second coupler 130.
In general, the power of the isolated port output signal of coupler is the power of input signal and the difference of coupler isolation
Value.If the power for two shunting signals that signal dividing cell 110 exports is identical, that is, input first point of the first coupler 120
The power for flowing signal is identical as the input power of the second shunting signal of the second coupler 130, the isolation of the first coupler 120
Value and the second coupler 130 to be isolated angle value also identical, then, the first isolated port 122 of the first coupler 120 export the
The power for the second detection signal that the power of one detection signal and the second isolated port of the second coupler 130 export is also identical.
By control two shunting signals power is identical and the isolation angle value of two couplers is identical, can achieve two couplings
The identical effect of power of the detection signal of device output.
In addition, the first coupler 120 can also be identical with the coupling angle value of the second coupler 130.
In general, the received input signal directional separation of institute can be gone out one way signal by coupler, and via company, coupling port institute
The Harmonic Oscillators signal radiation covering connect.The power of the coupling port output signal of coupler is equal to the function of the shunting signal of input
The difference of rate and the coupling angle value of coupler, therefore, if the power of the shunting signal of two couplers input is identical, and two couplings
The coupling angle value of clutch is identical, then the power of the coupling port output signal of two couplers is also identical.
Optionally, the first coupler 120 can be directional coupler, and/or, the second coupler 130 is directional coupler.
Wherein, directional coupler can go out the signal of a direction by directional separation from the signal of input, and can pass through
The function of signal directed radiation in the Harmonic Oscillators certain area of coupling port connection.When the coupling port difference of two couplers
When being connected to two oscillators, the power of the coupling port output signal of two couplers is identical, can guarantee this to a certain extent
The power of the oscillator radiation signal for the both direction that two coupling ports are connected is identical, to avoid two oscillator radiation signals
Power is not simultaneously to the influence of signal strength.
It certainly, can also be by coupling if the coupling port of detection signal generator 100 provided in this embodiment is not connected to oscillator
The signal for closing port output carrys out measured signal power loss difference as detection signal.It can also be by controlling two shunting signal phases
Together, and the identical detection signal to guarantee the coupling port output of two couplers of coupling angle value is identical.
It is a kind of structural schematic diagram of dual polarized antenna provided by the embodiment of the utility model referring to Fig. 3.As shown in figure 3,
The dual polarized antenna 200 may include detection signal generator 100, and the detection signal generator 100 can be above-mentioned reality
The detection signal generator 100 of example offer is provided.
In a kind of specific embodiment, as shown in figure 3, the dual polarized antenna 200 may include:
First oscillator input port 210, the first oscillator input port 210 in the detection signal generator 100
The connection of the first coupler, the first detection signal of first coupler output passes through the first oscillator input port 210
Output；
Second oscillator input port 220, the second oscillator input port 220 in the detection signal generator 100
The connection of the second coupler, the second detection signal of second coupler output passes through the second oscillator input port 210
Output.
In the following, detecting signal detection dual polarized antenna SLM Signal Label Mismatch degree to using first detection signal and second in conjunction with Fig. 4
Principle be illustrated.As shown in figure 4, in the detection process, being passed through by the first detection signal that detection signal generator 100 exports
First oscillator input port 210 can be input to first without source chamber branch path 310, the first detection can be input to after path loss
Equipment 410；Correspondingly, by detection signal generator 100 export second detection signal through the second oscillator input port 220, can
Second is input to without source chamber branch path 320, the second detection device 420 can be input to again after path loss.In this way, the first detection
Equipment 410 and the second detection device 420 can respectively detect the signal of input, to obtain two-way without source chamber branch path
Path-loss difference, and based on path-loss difference judge respective bipolar aerial signal whether mismatch and the reason of SLM Signal Label Mismatch,
To adjust in time, guarantee the coverage effect of antenna.
It should be noted that first detection device 410 and the second detection device 420 can be the same detection device, it can also
For different detection devices.
In addition, as shown in figure 3, the dual polarized antenna 200 can also include:
First oscillator 230, the in the signal input part of first oscillator 230 and the detection signal generator 100
First coupling port of one coupler connects；
Second oscillator 240, second oscillator 240 is vertical with first oscillator 230, the letter of second oscillator 240
Number input terminal is connect with the second coupling port of the second coupler in the detection signal generator 100.
Specifically, when the first coupling port of the first coupler 120 is connected to the first oscillator 230, the first coupler
120 can by received first shunting signal directional separation go out first direction signal, via the first oscillator 230 export.When
When first coupling port of two couplers 130 connects the second oscillator 240, the second coupler 130 can shunt institute received second
The second direction signal that signal directional separation goes out is exported via the second oscillator 240.First oscillator 230 and the second oscillator 240 can be with
Perpendicular, first direction can be perpendicular with second party.For example, first oscillator 230 can be horizontal dipole, first direction
Signal is horizontal direction signal, and the second oscillator 240 is vertical dipole, and second direction is vertical direction signal.
When specific implementation, dual polarized antenna 200 can also include shell, detect signal generator 100, the first oscillator 230
It is all set in shell with the second oscillator 240, detects information source port 111, the first oscillator input port of signal generator 100
210 and second oscillator input port 220 be set on shell, the external information source in information source port 111, the first oscillator input port 210
It is connected to detection device and radio circuit via no source chamber branch path with the second oscillator input port 220, to realize dual polarization
The radiofrequency signal of antenna 200 radiates and mismatch detection function.
It is noted that when detecting signal generator 100 and being applied to dual polarized antenna 200, the of the first coupler 120
When one isolated port 122 is connected to the first oscillator input port 210 of dual polarized antenna 200, the first oscillator input port 210 was both
Antenna radio-frequency signal can be used to input, and first detection signal can be exported.Correspondingly, the second isolation end of the second coupler 130
When mouth 132 is connected to the second oscillator input port 220 of dual polarized antenna 200, the second oscillator input port 220 can be used for defeated
Enter antenna radio-frequency signal, and the second detection signal can be exported.
In general, the working frequency range range of dual polarized antenna provided in this embodiment is 700M to 2.7G, to execute routine
Radiofrequency signal radiation function.
Such as when specific implementation, the course of work of dual polarized antenna 200 provided in this embodiment may include:
Radiofrequency signal radiative process, the radiofrequency signal of radio circuit output can be transferred to via first without source chamber branch path double
First oscillator input port 210 of poliarizing antenna 200, and go out first direction signal via 120 directional separation of the first coupler, it passes through
It is radiated by the first oscillator 230；And radiofrequency signal can be transmitted to the of dual polarized antenna 200 without source chamber branch path via second
Two oscillator input ports 220, and sub-department's second direction signal is oriented via the second coupler 130, via 240 spoke of the second oscillator
It penetrates；
Mismatch detection process: information source exports source signal, splits into source signal via detection signal generator 100
First shunting signal and the second shunting signal；First shunting signal is input to the first coupler 120, by the first coupler 120
The first isolated port 122 export first detection signal, first detection signal is output to accordingly via first without source chamber branch path
Detection device；Correspondingly, the second shunting signal is input to the second coupler 130, by the second isolation of the second coupler 130
The output of port 132 second detection signal, the second detection signal are output to corresponding detection device without source chamber branch path via second
420；This two detection devices are the mismatch that 200 output signal of dual polarized antenna is calculated in combination with two signals received.
In the utility model embodiment, detection signal generator is set in provided dual polarized antenna, detects signal generator
Source signal shunting can be handled to obtain two detection signals, thus when will test signal generator applied to dual polarized antenna
When, it may make two detection signals respectively via two RF signal input end mouths of dual polarized antenna and accordingly without source chamber point
Branch is output to detection device, since two detection signals are determining and stablize, can accurately detect the dual polarized antenna
Mismatch has higher stability and accuracy.The specific implementation of dual polarized antenna provided by the embodiment of the utility model
Journey may refer to the specific implementation process of detection signal generator provided by the above embodiment, and this is no longer going to repeat them.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of detection signal generator characterized by comprising signal dividing cell, the first coupler and the second coupler；
Wherein, the signal dividing cell is connect with information source, first coupler and second coupler respectively；The letter
The source signal is split into the first shunting signal and second and shunts and believe from the signal source receiving source signal by number dividing cell
Number, output first shunting signal to first coupler, and second shunting signal is exported to second coupling
Device；First coupler handles first shunting signal, obtains first detection signal, and exports first inspection
Survey signal；Second coupler handles second shunting signal, obtains the second detection signal, and exports described
Two detection signals.
2. detection signal generator according to claim 1, which is characterized in that
The signal dividing cell includes information source port, the first output port and second output terminal mouth, the signal dividing cell
The source signal is received by the information source port, and first shunting signal is exported by first output port,
Second shunting signal is exported by the second output terminal mouth；
First coupler includes first input port and the first isolated port, the first input port and described first defeated
Exit port connection, first coupler receive first shunting signal by the first input port, and by described
First isolated port exports the first detection signal；
Second coupler includes the second input port and the second isolated port, second input port and described second defeated
Exit port connection, second coupler receive second shunting signal by second input port, and by described
Second isolated port output the second detection signal.
3. detection signal generator according to claim 1, which is characterized in that the signal dividing cell is electric bridge, or
Person, power splitter.
4. detection signal generator according to claim 3, which is characterized in that when the signal dividing cell is electric bridge
When, the electric bridge further includes impedance matching port, and the electric bridge is connect by the impedance matching port with matching element.
5. detection signal generator according to claim 1, which is characterized in that the first coupler is directional coupler, and/
Or, second coupler is directional coupler.
6. detection signal generator according to claim 1, which is characterized in that first coupler and second coupling
The isolation angle value of clutch is identical.
7. detection signal generator according to claim 1, which is characterized in that first coupler and second coupling
The coupling angle value of clutch is identical.
8. a kind of dual polarized antenna, which is characterized in that occur including the detection signal as described in any one of claims 1 to 7
Device.
9. dual polarized antenna according to claim 8, which is characterized in that the dual polarized antenna further include:
First oscillator input port, the first oscillator input port are connect with first coupler, the first detection letter
Number by the first oscillator input port export；
Second oscillator input port, the second oscillator input port are connect with second coupler, the second detection letter
Number by the second oscillator input port export.
10. dual polarized antenna according to claim 8, which is characterized in that the dual polarized antenna further include:
First oscillator, the signal input part of first oscillator are connect with the first coupling port of first coupler；
Second oscillator, second oscillator is vertical with first oscillator, the signal input part of second oscillator and described the
Second coupling port of two couplers connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821301775.2U CN208723913U (en) | 2018-08-13 | 2018-08-13 | A kind of detection signal generator and dual polarized antenna |
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| CN201821301775.2U CN208723913U (en) | 2018-08-13 | 2018-08-13 | A kind of detection signal generator and dual polarized antenna |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421224A (en) * | 2020-09-28 | 2021-02-26 | 广东盛路通信科技股份有限公司 | Antenna based on Bluetooth communication and 5G network communication and control method thereof |
| CN114171875A (en) * | 2022-02-14 | 2022-03-11 | 中国电信股份有限公司 | Combiner and indoor branch system |
-
2018
- 2018-08-13 CN CN201821301775.2U patent/CN208723913U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421224A (en) * | 2020-09-28 | 2021-02-26 | 广东盛路通信科技股份有限公司 | Antenna based on Bluetooth communication and 5G network communication and control method thereof |
| CN112421224B (en) * | 2020-09-28 | 2023-11-17 | 广东盛路通信科技股份有限公司 | Antenna based on Bluetooth communication and 5G network communication and control method thereof |
| CN114171875A (en) * | 2022-02-14 | 2022-03-11 | 中国电信股份有限公司 | Combiner and indoor branch system |
| CN114171875B (en) * | 2022-02-14 | 2022-05-17 | 中国电信股份有限公司 | Combiner and indoor branch system |
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