CN209434375U - A kind of active wifi antenna, wifi signal transmission and receiving device and system - Google Patents
A kind of active wifi antenna, wifi signal transmission and receiving device and system Download PDFInfo
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- CN209434375U CN209434375U CN201920183482.7U CN201920183482U CN209434375U CN 209434375 U CN209434375 U CN 209434375U CN 201920183482 U CN201920183482 U CN 201920183482U CN 209434375 U CN209434375 U CN 209434375U
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Abstract
The utility model provides a kind of active wifi antenna, wifi signal transmission and receiving device and system, active wifi antenna includes passive antenna and active circuit connected to it, active circuit includes receiving branch R1, transmitting branch T1, level logic controller Q, wherein, level logic controller Q is configured to the low and high level signal for the predeterminated frequency that main equipment issues being converted into reversed level signal and is sent to receiving branch R1 and transmitting branch T1；Receiving branch R1 is configured to when detecting that the first logic of propositions combines signal, is received the wifi signal from passive antenna and is sent to main equipment after amplifier L amplification；Transmitting branch T1 is configured to when detecting that the second logic of propositions combines signal, and future, the wifi signal of autonomous device emitted to passive antenna；Passive antenna receives the wifi signal issued from equipment and sends it to receiving branch R1 and receive the wifi signal of transmitting branch T1 transmission and be converted into electromagenetic wave radiation to space.
Description
Technical field
The utility model relates to field of communication technology, sent more particularly to a kind of active wifi antenna, wifi signal and
Reception device and system.
Background technique
Existing WiFi antenna is generally used passive design, i.e., effective spoke of antenna is realized by the resonance of antenna
It penetrates, the gain of antenna is improved by way of unit group battle array, the intensity of wireless signal can be improved in this method.
But since common antenna size is larger, antenna is unbecoming with equipment appearance, so equipment is forced using low increasing
The antenna of benefit, this can sacrifice the quality of wireless signal, wireless device performance is caused to decline.Therefore, it is necessary to design a kind of size
Small, high gain antenna meets the appearance requirement of wireless device.
Utility model content
In view of the above problems, the utility model is proposed to overcome the above problem in order to provide one kind or at least partly solve
Certainly active wifi antenna, wifi signal transmission and receiving device and the system of the above problem.
On the one hand according to the utility model, a kind of active wifi antenna is provided, in main equipment and between equipment
It sends and receives signal, including passive antenna and active circuit connected to it, the active circuit includes receiving branch R1, hair
Penetrate branch T1, level logic controller Q, wherein
The level logic controller Q, connect with the main equipment, is configured to the predeterminated frequency for issuing the main equipment
Low and high level signal be converted into reversed level signal and be sent to the receiving branch R1 and transmitting branch T1；
The receiving branch R1 is separately connected with the level logic controller Q and the main equipment, including amplifier L,
If being configured to receive the level signal that the main equipment issues to be the first predetermined level signal and level logic controller Q output
The level signal opposite with the first predetermined level receives the wifi signal from the passive antenna and puts through the amplifier L
The main equipment is sent to after big；
The transmitting branch T1 is separately connected with the level logic controller Q and the main equipment, if being configured to receive
The level signal issued to the main equipment is the second predetermined level signal and level logic controller Q output and the second default electricity
Opposite level signal is equalled, the wifi signal from the main equipment is emitted to the passive antenna；
The passive antenna is configured to receive the wifi signal issued from equipment and sends it to the reception branch
Road R1 and the wifi signal of the reception transmitting branch T1 transmission are simultaneously converted into electromagenetic wave radiation to space.
Optionally, the active circuit further include:
RF switch S1 and RF switch S2 is all connected with the level logic controller Q and the main equipment, and described
The receiving branch R1 and transmitting branch T1 is shared；
The RF switch S1 and RF switch S2 receives the level signal that the main equipment issues and level is patrolled
The level signal of controller Q output is collected, if the two receives the level signal that the main equipment issues simultaneously presets electricity for first
Ordinary mail number and level logic controller Q export the level signal opposite with the first predetermined level, then the two is all connected with the amplification
Device L switches the receiving branch R1 work.
Optionally, if the RF switch S1 and RF switch S2 receives the level that the main equipment issues simultaneously
Signal is that the second predetermined level signal and level logic controller Q export the level signal opposite with the second predetermined level, then two
Person disconnects the amplifier L, and the RF switch S1 is connected with the RF switch S2, switches the transmitting branch T1 work
Make.
It optionally, further include input interface and output interface,
The input interface is separately connected with the RF switch S1 and the main equipment, is configured to the main equipment
The wifi signal of sending is forwarded to the RF switch S1 and the wifi signal from the RF switch S1 is forwarded to institute
State main equipment；
The input interface is also connect with the level logic controller Q, is additionally configured to issue the main equipment pre-
If the low and high level signal of frequency is forwarded to the level logic controller Q, the RF switch S1 and the RF switch S2；
The output interface is separately connected with the passive antenna and the RF switch S2, and being configured to will be from described
The wifi signal of RF switch S2 is forwarded to the passive antenna and the wifi signal for receiving the passive antenna forwards
To the RF switch S2.
Optionally, the passive antenna includes radio-frequency cable, feed Balun and radiator,
The radio-frequency cable is separately connected with the active circuit and the feed Balun, is configured in the active electricity
The transmitting of wifi signal is carried out between road and the feed Balun；
The feed Balun provides the feeding mode of balance for the radiator；
The radiator is connect with the feed Balun, is configured to wifi signal being converted to electromagenetic wave radiation to space
Or electromagnetic wave is received from space and is converted to wifi signal.
Optionally, there are two radiation arms for the radiator tool, and two radiation arms include connecting with the feed Balun
Engaging portion and symmetrically bend the C-shaped branch portion extended to form up and down respectively from the engaging portion other end.
Optionally, the passive antenna includes impedance adjustment sheet, is configured to the resistance value by adjusting the impedance adjustment sheet
Or position or placing direction adjust the parameter of the passive antenna.
Optionally, the impedance adjustment sheet, is arranged in the opening of at least one C-shaped branch portion.
Optionally, the parameter of the passive antenna includes: the yield value and/or signal transmitting and receiving efficiency of passive antenna.
According to the another aspect of the utility model, a kind of wifi signal transmission and receiving device is additionally provided, including as above
Active wifi antenna described in literary any embodiment；
The wifi signal is sent and reception device, is configured to receive by the active wifi antenna described from equipment hair
Wifi signal out simultaneously will be sent to the main equipment after wifi signal amplification, and will by the active wifi antenna
The wifi signal that the main equipment issues emits to described from equipment.
According to the utility model in another aspect, additionally providing a kind of wifi signal sends and receives system, including master sets
It is standby, from equipment and the active wifi antenna as described in any embodiment above, wherein
The main equipment is wirelessly connected by the active wifi antenna and described establish from equipment, is configured to generate sound
Answering the wifi signal from equipment and the wifi signal of generation is sent to described in the active wifi antenna and reception has
Source wifi antenna will be from the amplified wifi signal of the wifi signal from equipment；
The active wifi antenna, be configured to receive the wifi signal that the main equipment issues emit to it is described from equipment,
And it receives the wifi signal issued from equipment and the main equipment will be sent to after wifi signal amplification；
It is described from equipment, be configured to generate the wifi signal for controlling the main equipment and be sent to the wifi signal described
Active wifi antenna and the wifi signal from the main equipment for receiving the active wifi antenna forwarding.
Optionally, the main equipment includes intelligent luminaire, it is described from equipment include for controlling the intelligent lighting
The controller of lamps and lanterns.
In the utility model embodiment, active circuit is set in passive antenna scheme, comprising connecing in the active circuit
Revenue and expenditure road and transmitting branch, and signal amplifier is additionally provided in receiving branch, so that being connect using active circuit
The signal received can be amplified when the collection of letters, not only can effectively reinforce receiving signal, improve the gain of antenna
And efficiency, the stability and sensitivity of passive antenna can also be improved.Meanwhile the active wifi antenna electric of the utility model
Line structure is simple, and the design of active antenna is realized in the specification of a very little, to extend antenna adaptation equipment
Ability, improve the matching degree of antenna Yu equipment shape.Further, the active circuit of the utility model embodiment is receiving
It is non-interference during wifi signal and transmitting wifi signal, solve the problems, such as that doubly-fed antenna influences each other.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift specific embodiment of the present utility model.
According to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will be more
Add the above-mentioned and other purposes, advantages and features of clear the utility model.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the active wifi antenna according to the utility model one embodiment；
Fig. 2 shows the structural schematic diagrams according to the active circuit of the utility model one embodiment；
Fig. 3 shows the structural representation that system is sent and received according to the wifi signal of the utility model one embodiment
Figure.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
In order to solve the above technical problems, the utility model embodiment provides a kind of active wifi antenna, for setting in master
It is standby to be sent and received signal between equipment.Fig. 1 shows the active wifi antenna according to the utility model one embodiment
Structural schematic diagram, Fig. 2 shows the structural schematic diagrams according to the active circuit of the utility model one embodiment.Referring to Fig. 1
And Fig. 2, active wifi antenna include passive antenna 1 and active circuit connected to it 2, which includes receiving branch
R1, transmitting branch T1, level logic controller Q, wherein
Level logic controller Q is connect with main equipment (not shown), is configured to the predeterminated frequency for issuing main equipment
Low and high level signal be converted into reversed level signal and be sent to receiving branch R1 and transmitting branch T1.Master in the embodiment
Equipment, which can be intelligent luminaire etc., can generate the smart machine of wifi signal.
Receiving branch R1 is separately connected with level logic controller Q and main equipment, including amplifier L, if being configured to receive
The level signal issued to main equipment is the first predetermined level signal and level logic controller Q output and the first predetermined level phase
Anti- level signal receives the wifi signal from passive antenna 1 and is sent to main equipment after amplifier L amplification.Wherein, it puts
Big device L is mainly used to improve the wifi signal reception of receiving branch R1.
Transmitting branch T1 is separately connected with level logic controller Q and main equipment, if being configured to receive main equipment sending
Level signal be that the second predetermined level signal and level logic controller Q export the level opposite with the second predetermined level and believe
Number, future, the wifi signal of autonomous device emitted to passive antenna 1.
In this embodiment, transmitting branch T1 emits the process of wifi signal and the mistake of receiving branch R1 reception wifi signal
Journey is two independent processes, and the two is independent of each other.The first predetermined level signal in the utility model embodiment can be height
Level or level signal, the second predetermined level signal is also possible to high level or low level signal, also, the first predetermined level is believed
Number and the second predetermined level signal be different level signal, can specifically set according to actual needs.
Passive antenna 1 is configured to receive the wifi signal issued from equipment (not shown) and sends it to reception
Branch R1 and the wifi signal of reception transmitting branch T1 transmission are simultaneously converted into electromagenetic wave radiation to space.
In the utility model embodiment, by the way that active circuit 2 is arranged in 1 scheme of passive antenna, in the active circuit 2
It is additionally provided with signal amplifier comprising receiving branch R1 and transmitting branch T1, and in receiving branch R1, so that having utilizing
Source circuit 2 can amplify the signal received when carrying out reception signal, not only can effectively reinforce receiving signal, mention
The gain and efficiency of high antenna can also improve the stability and sensitivity of passive antenna 1.Meanwhile the utility model
Active wifi antenna circuit structure is simple, and the design of active antenna is realized in the specification of a very little, to extend
The ability of antenna adaptation equipment, improves the matching degree of antenna Yu equipment shape.Further, the utility model embodiment
Active circuit 2 is non-interference during receiving wifi signal and transmitting wifi signal, solves the mutual shadow of doubly-fed antenna
Loud problem.
In the utility model embodiment, main equipment can receive the wifi letter for controlling main equipment issued from equipment
Number, and main equipment can also send feedback wifi signal to main equipment, to feed back the wifi signal issued from equipment, no matter
It is that main equipment receives wifi signal or feedback wifi signal, it is logical to realize that active wifi antenna can by active wifi antenna
With setting in main equipment side, so that main equipment establishes wireless connection with from equipment by active wifi antenna.In the embodiment,
Main equipment and be to have the equipment of wifi signal transfer function from equipment, the two can both issue wifi signal, also can receive
Wifi signal.Certainly, during issuing wifi signal and receiving wifi signal, it is also necessary to by means of the utility model
Active antenna.For example, main equipment can be Intelligent lamp with wifi function, smart home etc..It can be from equipment
Remote controler, control panel etc. have the control equipment of wifi function.The utility model embodiment is to main equipment and from equipment
Type does not do specific restriction.
Referring to Fig. 1 and Fig. 2, in an embodiment of the utility model, active circuit 2 can also include RF switch S1 and penetrate
Frequency switch S2, and RF switch S1 and RF switch S2 are all connected with level logic controller Q and main equipment.Receiving branch R1 and
Transmitting branch T1 shared radio frequency switch S1 and RF switch S2.
Wherein, if RF switch S1 and RF switch S2 receive the level signal and level logic control of main equipment sending
The level signal of device Q output, if the level signal that the two receives main equipment sending simultaneously is the first predetermined level signal and electricity
Flat logic controller Q exports the level signal opposite with the first predetermined level, then the two is all connected with amplifier L, and switching receives branch
Road R1 work.
If the level signal that RF switch S1 and RF switch S2 receives main equipment sending simultaneously is the second predetermined level
Signal and level logic controller Q export the level signal opposite with the second predetermined level, then both disconnect the amplifier
L, and RF switch S1 is connected with the RF switch S2, switching transmitting branch T1 work.That is it RF switch S1 and penetrates
Frequency switch S2 can complete the switching to receiving branch R1 and transmitting branch T1.The RF switch S1 of the utility model embodiment and
S2 can use coaxial switch, and the utility model embodiment does not do specific restriction to the type of RF switch S1 and S2.
In this embodiment, since RF switch S1 and RF switch S2 are respectively connected with main equipment and level logic controller
Q, therefore, the reversed level that the low and high level signal and level logic controller Q for the predeterminated frequency that main equipment issues are converted to
The state of signal co- controlling RF switch S1 and RF switch S2, to control and receive the work of branch R1 and transmitting branch T1
State.
For example, level logic controller Q is anti-by the high level when main equipment issues high level signal (being indicated with " 1 ")
To low level (being indicated with " 0 ") is converted to, the logical combination signal that RF switch S1 and RF switch S2 are detected respectively is
"10".When main equipment issues low level signal, which is high level, radio frequency by level logic controller Q
The logical combination signal that switch S1 and RF switch S2 are detected respectively is " 01 ".
If setting, the first logic of propositions combines signal as " 10 " and the second logic of propositions combination signal is " 01 ", then, when
When main equipment issues high level signal, RF switch S1 and RF switch S2 detect the logical signal of " 10 ", at this point, radio frequency
Switch S1 and RF switch S2 connect amplifier L, so that receiving branch R1 works, i.e. reception wifi signal (VRX_
WiFi)。
When RF switch S1 and RF switch S2 detect the logical signal of " 01 ", at this point, RF switch S1 and radio frequency
Switch S2 is disconnected and the connection of amplifier L, and RF switch S1 is connected with RF switch S2, so that transmitting branch T1
Work, i.e. transmitting wifi signal (VTX_WiFi).
In addition, the first logic of propositions combination signal can also be set as " 01 " in the utility model embodiment, and second
It is " 10 " that logic of propositions, which combines signal, and the utility model embodiment does not do specific restriction to this.
With continued reference to Fig. 1 and Fig. 2, for convenience between passive antenna 1 and active circuit 2 and active circuit 2 and master set
Signal transmitting is carried out between standby can also be arranged input interface in active wifi antenna in an embodiment of the utility model
A1 and output interface A2.
Input interface A1 is separately connected with RF switch S1 and main equipment, is configured to the wifi signal for issuing main equipment and is turned
It is sent to RF switch S1 and the wifi signal from RF switch S1 is forwarded to main equipment.
In the embodiment, input interface A1 can also be connect with level logic controller Q, and be additionally configured to main equipment
The low and high level signal of the predeterminated frequency of sending is forwarded to level logic controller Q, RF switch S1 and RF switch S2.This
Outside, input interface A1 also carries the DC voltage VCC provided from main equipment, provides for active antenna scheme necessary
Operating voltage.
Output interface A2 is separately connected with passive antenna 1 and RF switch S2, and being configured to will be from RF switch S2's
Wifi signal is forwarded to passive antenna 1 and the wifi signal that passive antenna 1 receives is forwarded to RF switch S2.
In the utility model embodiment, coaxial line can be set in input interface A1 and output interface A2, to pass through
The transmitting of coaxial line realization wifi signal, low and high level signal.
With continued reference to Fig. 1 and Fig. 2, in an embodiment of the utility model, passive antenna 1 includes radio-frequency cable (RF
Cable), feed Balun 3 and radiator 4.
The output interface A2 and feed Balun 3 of radio-frequency cable and active circuit 2 are separately connected, and are configured in active circuit 2
The transmitting of wifi signal is carried out between feed Balun 3.
Feed Balun 3 provides the feeding mode of balance for radiator 4.
Radiator 4, there are two radiation arm 41,42, two radiation arms are connect with feed Balun 3 tool respectively, be configured to by
Wifi signal is converted to electromagenetic wave radiation to space or receives electromagnetic wave from space and be converted to wifi signal.Radiation arm 41 and spoke
It penetrates arm 42 and the function of exchange of electromagnetic energy may be implemented.What radiation arm 41, radiation arm 42 respectively included connecting with feed Balun 3
Engaging portion and the self-bonding portion other end symmetrically bend the C-shaped branch portion extended to form up and down respectively.In the implementation, knot
Conjunction portion is crossbeam shape, is connected by screw to perhaps welding manner with feed Balun 3 and is attached or feed Balun 3 and spoke
Beam 4 is an integral molding structure.
In the embodiment, it is enough symmetrical that feed Balun 3 can also effectively guarantee that two radiation arms 41,42 can obtain
Electric current.
With continued reference to Fig. 1, in an embodiment of the utility model, the C-shaped branch portion opening of radiation arm 42 can also be set
Set impedance adjustment sheet 5.Certainly, the middle part of the C-shaped branch portion of radiation arm 41 can also be arranged in impedance adjustment sheet 5, can also set
It sets near C-shaped branch portion opening and position etc. away from C-shaped branch portion certain distance, in addition, impedance adjustment sheet 5 can also be set
It sets near radiation arm 42, the utility model embodiment does not do specific restriction to the setting position of impedance adjustment sheet 5.
Impedance adjustment sheet 5 is configured to resistance value or position or placing direction etc. by adjusting impedance adjustment sheet 5 to adjust nothing
The parameter of source antenna 1.Wherein, the parameter of passive antenna 1 may include the yield value of passive antenna 1, signal transmitting and receiving efficiency etc.
At least one of.
Conceived based on same utility model, present invention also provides a kind of wifi signal transmission and receiving devices, including such as
Active wifi antenna in any embodiment above, wifi signal is sent and reception device, can be connect by active wifi antenna
It receives from the wifi signal that equipment issues and main equipment will be sent to after the amplification of wifi signal, can also be incited somebody to action by active wifi antenna
The wifi signal that main equipment issues emits to from equipment.
Conceived based on same utility model, present invention also provides a kind of wifi signals to send and receive system 30, referring to
Fig. 3, wifi signal send and receive system 30 include main equipment 31, the active wifi antenna 32 in any embodiment such as above,
From equipment 33, wherein main equipment 31 can establish wireless connection with from equipment 33 by active wifi antenna 32, be configured to generate
It responds the wifi signal from equipment 33 and the wifi signal of generation is sent to active wifi antenna 32 and receives active wifi
32 future of antenna is since the amplified wifi signal of the wifi signal of equipment 33.
Active wifi antenna 32, can receive main equipment 31 sending wifi signal emit to from equipment 33 and receive
From the wifi signal that equipment 33 issues and main equipment 31 will be sent to after the amplification of wifi signal.
From equipment 33, it can produce the wifi signal of control main equipment 31 and be sent to the wifi signal active wifi days
Line 32 and the wifi signal for carrying out autonomous device 31 for receiving the active forwarding of wifi antenna 32.
In an embodiment of the utility model, active wifi antenna 32 can be set in 31 side of main equipment, main equipment 31
May include intelligent luminaire, correspondingly, from equipment 33 include the controller for controlling intelligent luminaire.Certainly, main
Equipment 31 can also use other smart machines, such as smart home, other, which can also be used, from equipment 33 can control intelligence
Control equipment of equipment etc., the utility model embodiment do not do specific restriction to this.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: within the spirit and principles of the present invention, still can to technical solution documented by foregoing embodiments into
Row modification, or equivalent substitution of some or all of the technical features；And these are modified or replaceed, and do not make phase
Technical solution is answered to be detached from the protection scope of the utility model.
Claims (12)
1. a kind of active wifi antenna, for being sent and received signal in main equipment and between equipment, which is characterized in that including
Passive antenna and active circuit connected to it, the active circuit include receiving branch R1, transmitting branch T1, level logic control
Device Q processed, wherein
The level logic controller Q, connect with the main equipment, is configured to the height for the predeterminated frequency for issuing the main equipment
Low level signal is converted into reversed level signal and is sent to the receiving branch R1 and transmitting branch T1；
The receiving branch R1 is separately connected with the level logic controller Q and the main equipment, including amplifier L, configuration
If being the first predetermined level signal and level logic controller Q output and the to receive the level signal that the main equipment issues
The opposite level signal of one predetermined level receives the wifi signal from the passive antenna and after amplifier L amplification
It is sent to the main equipment；
The transmitting branch T1 is separately connected with the level logic controller Q and the main equipment, if being configured to receive institute
The level signal for stating main equipment sending is the second predetermined level signal and level logic controller Q output and the second predetermined level phase
Anti- level signal emits the wifi signal from the main equipment to the passive antenna；
The passive antenna is configured to receive the wifi signal issued from equipment and sends it to the receiving branch
R1 and the wifi signal of the reception transmitting branch T1 transmission are simultaneously converted into electromagenetic wave radiation to space.
2. active wifi antenna according to claim 1, which is characterized in that the active circuit further include:
RF switch S1 and RF switch S2 is all connected with the level logic controller Q and the main equipment, and by the reception
The branch R1 and transmitting branch T1 is shared；
The RF switch S1 and RF switch S2 receives the level signal and level logic control that the main equipment issues
The level signal of device Q output processed, if the two receives the level signal that the main equipment issues simultaneously as the first predetermined level letter
Number and level logic controller Q export the level signal opposite with the first predetermined level, then the two is all connected with the amplifier L,
Switch the receiving branch R1 work.
3. active wifi antenna according to claim 2, which is characterized in that
If it is second that the RF switch S1 and RF switch S2 receives the level signal that the main equipment issues simultaneously
Predetermined level signal and level logic controller Q export the level signal opposite with the second predetermined level, then both disconnect institute
Amplifier L is stated, the RF switch S1 is connected with the RF switch S2, switches the transmitting branch T1 work.
4. active wifi antenna according to claim 2 or 3, which is characterized in that it further include input interface and output interface,
The input interface is separately connected with the RF switch S1 and the main equipment, is configured to issue the main equipment
Wifi signal be forwarded to the RF switch S1 and the wifi signal from the RF switch S1 be forwarded to the master
Equipment；
The input interface also connect with the level logic controller Q, is additionally configured to the default frequency for issuing the main equipment
The low and high level signal of rate is forwarded to the level logic controller Q, the RF switch S1 and the RF switch S2；
The output interface is separately connected with the passive antenna and the RF switch S2, is configured to that the radio frequency will be come from
The wifi signal of switch S2 is forwarded to the passive antenna and the wifi signal that the passive antenna receives is forwarded to institute
State RF switch S2.
5. active wifi antenna according to claim 1-3, which is characterized in that the passive antenna includes radio frequency
Cable, feed Balun and radiator,
The radio-frequency cable is separately connected with the active circuit and the feed Balun, be configured in the active circuit and
The transmitting of wifi signal is carried out between the feed Balun；
The feed Balun provides the feeding mode of balance for the radiator；
The radiator is connect with the feed Balun, be configured to be converted to wifi signal electromagenetic wave radiation to space or from
Space receives electromagnetic wave and is converted to wifi signal.
6. active wifi antenna according to claim 5, which is characterized in that
Radiator tool there are two radiation arm, two radiation arms include the engaging portion being connect with the feed Balun and
Symmetrically bend the C-shaped branch portion extended to form up and down respectively from the engaging portion other end.
7. active wifi antenna according to claim 6, which is characterized in that the passive antenna includes impedance adjustment sheet,
Resistance value or position or placing direction by adjusting the impedance adjustment sheet are configured to adjust the parameter of the passive antenna.
8. active wifi antenna according to claim 7, which is characterized in that the impedance adjustment sheet is arranged at least one
The opening of a C-shaped branch portion.
9. active wifi antenna according to claim 7, which is characterized in that the parameter of the passive antenna includes:
The yield value and/or signal transmitting and receiving efficiency of passive antenna.
10. a kind of wifi signal transmission and receiving device, which is characterized in that have including such as claim 1-9 is described in any item
Source wifi antenna；
The wifi signal is sent and reception device, is configured to receive by the active wifi antenna and described issues from equipment
Wifi signal simultaneously will be sent to the main equipment after wifi signal amplification, and will be described by the active wifi antenna
The wifi signal that main equipment issues emits to described from equipment.
11. a kind of wifi signal sends and receives system, which is characterized in that including main equipment, from equipment and such as claim 1-9
Described in any item active wifi antennas, wherein
The main equipment is wirelessly connected by the active wifi antenna and described establish from equipment, is configured to generate response institute
It states the wifi signal from equipment and the wifi signal of generation is sent to the active wifi antenna and is received described active
Wifi antenna will be from the amplified wifi signal of the wifi signal from equipment；
The active wifi antenna, be configured to receive the wifi signal that the main equipment issues emit to described from equipment and
It receives the wifi signal issued from equipment and the main equipment will be sent to after wifi signal amplification；
It is described from equipment, be configured to generate the wifi signal for controlling the main equipment and be sent to the wifi signal described active
Wifi antenna and the wifi signal from the main equipment for receiving the active wifi antenna forwarding.
12. system according to claim 11, which is characterized in that
The main equipment includes intelligent luminaire, it is described from equipment include control for controlling the intelligent luminaire
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920183482.7U CN209434375U (en) | 2019-01-18 | 2019-01-18 | A kind of active wifi antenna, wifi signal transmission and receiving device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920183482.7U CN209434375U (en) | 2019-01-18 | 2019-01-18 | A kind of active wifi antenna, wifi signal transmission and receiving device and system |
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| CN209434375U true CN209434375U (en) | 2019-09-24 |
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| CN (1) | CN209434375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755724A (en) * | 2019-01-18 | 2019-05-14 | 欧普照明股份有限公司 | A kind of active wifi antenna, wifi signal transmission and receiving device and system |
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2019
- 2019-01-18 CN CN201920183482.7U patent/CN209434375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755724A (en) * | 2019-01-18 | 2019-05-14 | 欧普照明股份有限公司 | A kind of active wifi antenna, wifi signal transmission and receiving device and system |
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