CN114421119A - Antenna, wireless communication device and working method thereof - Google Patents
Antenna, wireless communication device and working method thereof Download PDFInfo
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- CN114421119A CN114421119A CN202210182460.5A CN202210182460A CN114421119A CN 114421119 A CN114421119 A CN 114421119A CN 202210182460 A CN202210182460 A CN 202210182460A CN 114421119 A CN114421119 A CN 114421119A
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- 238000004891 communication Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 30
- 238000012544 monitoring process Methods 0.000 claims description 12
- 230000003993 interaction Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 19
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005670 electromagnetic radiation Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- 230000000191 radiation effect Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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Abstract
The invention relates to the technical field of wireless communication, and provides an antenna, a wireless communication device and a working method thereof. By adopting the technical scheme, the antenna can normally work no matter in an unfolding state or a folding state.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to an antenna, wireless communication equipment and a working method of the wireless communication equipment.
Background
Rod antenna is the antenna type that current domestic wireless router is used commonly, but because rod antenna's length is great, its great space that needs occupy leads to wireless router's extranal packing volume increase, is unfavorable for transporting wireless router.
At present, in order to reduce the external packaging volume of a wireless router, part of manufacturers design a rod-shaped antenna into a foldable structure, but because each dipole in the folded antenna is close to each other, a self-coupling phenomenon occurs between each dipole, so that the radiation performance of the antenna is deteriorated and the antenna cannot work normally.
Disclosure of Invention
The embodiment of the invention aims to provide an antenna, wireless communication equipment and a working method thereof, and aims to solve the technical problem that the conventional antenna cannot normally work after being folded.
In order to achieve the purpose, the embodiment of the invention adopts the technical scheme that: an antenna, comprising:
a housing comprising a first shell and a second shell, the first shell foldably connected to the second shell;
the radiating body comprises a first dipole arranged in the first shell, a second dipole arranged in the second shell and a flexible phase inverter connected between the first dipole and the second dipole, the first dipole comprises a first dipole arm connected with the flexible phase inverter and a second dipole arm arranged in an insulating mode with the first dipole arm, a feeding point is arranged on the first dipole arm, a grounding point is arranged on the second dipole arm, and the second dipole can be connected with the second dipole arm after the first shell and the second shell are folded.
The antenna provided by the embodiment of the invention at least has the following beneficial effects: when the antenna is in an unfolded state, the first dipole, the second dipole and the flexible inverter are approximately positioned on the same straight line, at the moment, a feeding current is input to a feeding point of the first dipole arm, the current phase of the first dipole is the same as that of the second dipole under the reverse phase action of the flexible inverter, so that the first dipole and the second dipole form a binary linear array, and the electromagnetic radiation generated by the first dipole and the electromagnetic radiation generated by the second dipole are mutually superposed, so that the antenna can realize high-gain and narrow-beam omnidirectional radiation in the horizontal direction, and the radiation performance of the antenna is ensured; when the antenna is in a folded state, the second dipole is connected with the second dipole arm, the feeding point is in short circuit with the grounding point, so that a closed loop circuit structure is formed by the radiator, meanwhile, the input end and the output end of the flexible phase inverter are close to each other to generate a self-coupling phenomenon, so that the reverse phase effect of the flexible phase inverter is invalid, the current direction of the first dipole is the same as that of the second dipole, at the moment, the whole radiator is equivalent to a folded dipole, the antenna can realize low-gain and wide-beam omnidirectional radiation in the horizontal direction, and the radiation performance of the antenna is ensured. Therefore, the antenna can realize perfect omnidirectional radiation no matter in an unfolding state or a folding state, two different working modes can be provided for a user, the user can select the working modes of the antenna according to different working scenes, and the user experience is effectively improved.
In one embodiment, a first electrical contact portion is disposed on the second oscillator arm, the first electrical contact portion extends out of the first housing, a second electrical contact portion is disposed on the second dipole, the second electrical contact portion extends out of the second housing, and the first electrical contact portion can be connected to the second electrical contact portion after the first housing and the second housing are folded with each other.
In one embodiment, the first and second housings are in a mutually folded state, the first electrical contact forms a first projection on the second dipole, the second electrical contact forms a second projection on the second dipole arm, the first projection has an area less than 0.0025 λ, and/or the second projection has an area less than 0.0025 λ, where λ is a wavelength in free space.
In one embodiment, a first connecting portion is disposed on the first housing, a second connecting portion is disposed on the second housing, the first connecting portion can be detachably connected to the second connecting portion after the first housing and the second housing are folded, and the first electrical contact portion can be abutted to the second electrical contact portion after the first housing and the second housing are folded.
In one embodiment, the electrical lines of the flex inverter are in a wave structure or a spiral structure.
In one embodiment, the housing further comprises a hinge, one end of the hinge is hinged to the first housing, and the other end of the hinge is hinged to the second housing.
In one embodiment, the housing further comprises a bellows, one end of the bellows is connected to the first housing, and the other end of the bellows is connected to the second housing.
In order to achieve the above object, an embodiment of the present invention further provides a wireless communication device, including a control unit and the antenna according to any one or more of the above embodiments, the control unit comprises a processing module, a radio frequency module, a first matching module, a second matching module and an on-off control module, the processing module is provided with an antenna attitude monitoring port which is electrically connected with a feed point of the antenna, the radio frequency module is electrically connected with the processing module, the radio frequency module is provided with a radio frequency port and a matching network selection port, the radio frequency port is electrically connected with the first matching module, the matching network selection port is electrically connected with the on-off control module, the first matching module is electrically connected with the feeding point, the on-off control module is electrically connected between the first matching module and the second matching module.
Since the wireless communication device employs all embodiments of the antenna, at least all beneficial effects of the embodiments are achieved, and are not described in detail herein.
In one embodiment, the wireless communication device further comprises a user interaction module in electrical communication with the processing module.
In order to achieve the above object, an embodiment of the present invention further provides an operating method of a wireless communication device, where the operating method includes the following steps:
the antenna is in a folded state, a feed point and a grounding point of the antenna are in short circuit to generate a short-circuit signal, and a processing module detects whether the antenna generates the short-circuit signal through an antenna attitude monitoring port;
if not, the processing module judges that the antenna is in the unfolding state, and sends an instruction to the radio frequency module so that the radio frequency module sends a disconnection instruction to the on-off control module through the matching network selection port, so that the on-off control module enters a disconnection state, and at the moment, the antenna is matched with the radio frequency module through the first matching module;
if the antenna is in the folded state, the processing module sends an instruction to the radio frequency module, so that the radio frequency module sends a switching-on instruction to the on-off control module through the matching network selection port, the on-off control module enters a switching-on state, and at the moment, the antenna is matched with the radio frequency module through the first matching module and the second matching module.
The working method of the wireless communication equipment provided by the embodiment of the invention at least has the following beneficial effects: when the antenna is in an unfolded state, the antenna is matched with the radio frequency module through the first matching module, and when the antenna is in a folded state, the antenna is matched with the radio frequency module through the first matching module and the second matching module, so that the antenna can realize good impedance matching performance no matter in the folded state or the unfolded state, and the radiation performance of the antenna in different states is ensured.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an antenna according to an embodiment of the present invention in an unfolded state;
fig. 2 is a schematic structural diagram of an antenna according to an embodiment of the present invention in a folded state;
FIG. 3 is a schematic structural diagram of an electrical circuit of a flex inverter according to an embodiment of the present invention;
fig. 4 is a directional diagram of an antenna according to an embodiment of the present invention in an unfolded state;
fig. 5 is a directional diagram of an antenna provided by an embodiment of the present invention in a folded state;
fig. 6 is a schematic structural diagram of a wireless communication device according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. an antenna; 110. a housing; 111. a first housing; 112. a second housing; 113. an articulation member; 120. a radiator; 121. a first dipole; 1211. a first vibrator arm; 1212. a second vibrator arm; 12121. a second electrical contact; 122. a second dipole; 1221. a first electrical contact; 123. a flexible inverter; 1231. an electrical line; 200. a control unit; 210. a processing module; 211. an antenna attitude monitoring port; 220. a radio frequency module; 221. a radio frequency port; 222. selecting a port by a matching network; 230. a first matching module; 240. a second matching module; 250. an on-off control module; 300. and a user interaction module.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A first aspect of the present invention provides an antenna 100, which antenna 100 is applicable in wireless communication devices, such as wireless routers, wireless base stations, etc., and is capable of transmitting and receiving electromagnetic signals.
As shown in fig. 1 and fig. 2, the antenna 100 includes a housing 110 and a radiator 120, the housing 110 includes a first casing 111 and a second casing 112, and the first casing 111 and the second casing 112 are foldably connected. The radiator 120 includes a first dipole 121, a second dipole 122, and a flexible inverter 123, the first dipole 121 is disposed in the first housing 111, the second dipole 122 is disposed in the second housing 112, and the flexible inverter 123 is connected between the first dipole 121 and the second dipole 122. The first dipole 121 includes a first dipole arm 1211 and a second dipole arm 1212, the first dipole arm 1211 is connected to the flexible inverter 123, and the first dipole arm 1211 is provided with a feeding point (not shown) for electrically connecting to an external feeding port. The second vibrator arm 1212 is insulated from the first vibrator arm 1211, and a grounding point (not shown) is disposed on the second vibrator arm 1212, and the grounding point is used for connecting to ground. The second dipole 122 can be connected to the second dipole arm 1212 after the first case 111 and the second case 112 are folded.
It is understood that after the first housing 111 and the second housing 112 are folded, the flexible inverter 123 is bent to fold the first dipole 121 and the second dipole 122 until the second dipole 122 and the second dipole arm 1212 are connected to each other.
When the antenna 100 is in the unfolded state, the first dipole 121, the second dipole 122 and the flexible inverter 123 are substantially on the same straight line, at this time, a feeding current is input to a feeding point of the first element arm 1211, under the reverse phase action of the flexible inverter 123, the current phase of the first dipole 121 is the same as that of the second dipole 122, so that the first dipole 121 and the second dipole 122 form a binary linear array, and the electromagnetic radiation generated by the first dipole 121 and the electromagnetic radiation generated by the second dipole 122 are superposed with each other, so that the antenna 100 can realize high-gain and narrow-beam omnidirectional radiation in the horizontal direction, thereby ensuring the radiation performance of the antenna 100; when the antenna 100 is in a folded state, the second dipole 122 is connected to the second dipole arm 1212, so that the feeding point is short-circuited to the ground point, and the radiator 120 forms a closed-loop circuit structure, and meanwhile, the input end and the output end of the flexible inverter 123 are close to each other to generate a self-coupling phenomenon, so that the reverse phase function of the flexible inverter 123 is disabled, and the current direction of the first dipole 121 is the same as that of the second dipole 122, and at this time, the whole radiator 120 is equivalent to a folded dipole, so that the antenna 100 can implement low-gain and wide-beam omnidirectional radiation in the horizontal direction, and the radiation performance of the antenna 100 is ensured. Therefore, the antenna 100 can realize perfect omnidirectional radiation regardless of the unfolding state or the folding state, so that two different working modes can be provided for a user, the user can select the working mode of the antenna 100 according to different working scenes, and the user experience is effectively improved.
It should be noted that the electrical length of the first dipole 121 and the electrical length of the second dipole 122 may be determined according to the practical application requirement, and optionally, the electrical length of the first dipole 121 is 0.5 λ, and the electrical length of the second dipole 122 is 0.5 λ, where λ is the wavelength in free space, that is, the antenna 100 in the unfolded state is the full-wave antenna 100, and the antenna 100 in the folded state is the half-wave antenna 100.
In one embodiment, referring to fig. 1, a first electrical contact 1221 is disposed on the second dipole arm 1212, the first electrical contact 1221 extends out of the first case 111, a second electrical contact 12121 is disposed on the second dipole 122, the second electrical contact 12121 extends out of the second case 112, and the first electrical contact 1221 can be connected to the second electrical contact 12121 after the first case 111 and the second case 112 are folded with each other, so that the second dipole 122 is electrically connected to the second dipole arm 1212, and the feeding point is shorted to the ground point.
Specifically, a first through hole (not shown) is formed in the first housing 111, and the first electrical contact 1221 extends out of the first housing 111 through the first through hole, and similarly, a second through hole (not shown) is formed in the second housing 112, and the second electrical contact 12121 extends out of the second housing 112 through the second through hole, so that the first electrical contact 1221 can be connected to the second electrical contact 12121 after the first housing 111 and the second housing 112 are folded with each other.
In the above embodiment, when the first housing 111 and the second housing 112 are in the mutually folded state, the first electrical contact 1221 forms a first projection on the second dipole 122, and the area of the first projection is smaller than 0.0025 λ, and by limiting the area of the first projection to the above range, the self-coupling phenomenon between the first electrical contact 1221 and the second dipole 122 can be avoided, thereby ensuring the radiation performance of the antenna 100.
It is understood that the cross-sectional shape of the first electrical contact 1221 includes, but is not limited to, circular, square, and triangular.
Similarly, when the first housing 111 and the second housing 112 are in the mutually folded state, the second electrical contact 12121 forms a second projection on the second dipole arm 1212, and the area of the second projection is smaller than 0.0025 λ, so that by limiting the area of the second projection within the above range, the self-coupling phenomenon between the second electrical contact 12121 and the first dipole 121 can be avoided, and the radiation performance of the antenna 100 is ensured.
It is understood that the cross-sectional shape of the second electrical contact 12121 includes, but is not limited to, circular, square, triangular.
In the above embodiment, the first housing 111 is provided with a first connecting portion (not shown), the second housing 112 is provided with a second connecting portion (not shown), the first connecting portion can be detachably connected to the second connecting portion after the first housing 111 and the second housing 112 are folded, and the first electrical contact 1221 can be abutted to the second electrical contact 12121 after the first housing 111 and the second housing 112 are folded. When the first casing 111 and the second casing 112 are folded, the first connection portion is connected to the second connection portion, so that the first electrical contact portion 1221 and the second electrical contact portion 12121 can be held in close contact with each other, and the first electrical contact portion 1221 and the second electrical contact portion 12121 are prevented from being separated from each other, which may cause the antenna 100 to fail to operate normally in the folded state, thereby improving the operational reliability of the antenna 100.
It should be noted that the connection manner of the first connection portion and the second connection portion includes multiple manners, for example, the first connection portion and the second connection portion are respectively a clamping portion, and when the first shell 111 and the second shell 112 are folded, the two clamping portions are clamped with each other; for another example, the first connecting portion is a female hook and loop fastener, the second connecting portion is a male hook and loop fastener, and when the first housing 111 and the second housing 112 are folded, the female hook and loop fastener and the male hook and loop fastener are bonded to each other; for another example, the first connecting portion and the second connecting portion are respectively made of magnets, the two magnets have opposite magnetism, and when the first casing 111 and the second casing 112 are folded, the two magnets are magnetically attracted to each other, which is not limited herein.
In one embodiment, as shown in fig. 3, the electric line 1231 of the flexible inverter 123 is in a wave structure or a spiral structure, so that a self-coupling phenomenon is generated between parts of the electric line 1231 of the flexible inverter 123, thereby effectively suppressing the current intensity of the flexible inverter 123, weakening the current radiation effect of the flexible inverter 123, and avoiding the adverse effect of the current radiation of the flexible inverter 123 on the radiation performance of the antenna 100.
In one embodiment, please refer to fig. 1 and fig. 2, the housing 110 further includes a hinge 113, one end of the hinge 113 is hinged to the first housing 111, and the other end of the hinge 113 is hinged to the second housing 112, when the antenna 100 needs to be folded, the first housing 111 can be rotated around the rotation axis between the first housing 111 and the hinge 113, and the second housing 112 can be rotated around the rotation axis between the second housing 112 and the hinge 113, until the first housing 111 and the second housing 112 abut against each other, so as to complete the folding operation of the antenna 100, which is convenient and fast.
In the above embodiment, the hinge 113 has a cavity formed therein, and the flexible inverter 123 is disposed in the hinge 113.
Specifically, a first fastening structure (not shown) is disposed between the first housing 111 and the hinge 113, the first fastening structure includes a first fastening portion and a second fastening portion, the first fastening portion can be fastened with the second fastening portion after the first housing 111 and the second housing 112 are folded, a second fastening structure (not shown) is disposed between the second housing 112 and the hinge 113, the second fastening structure includes a third fastening portion and a fourth fastening portion, the third fastening portion can be fastened with the fourth fastening portion after the first housing 111 and the second housing 112 are folded, when the antenna 100 is in the unfolded state, the first locking portion is engaged with the second locking portion, and the third locking portion is engaged with the fourth locking portion, to maintain the antenna 100 in an unfolded state, when it is desired to fold the antenna 100, the first housing 111 and the second housing 112 can be directly rotated to separate the first engaging portion from the second engaging portion and the third engaging portion from the fourth engaging portion.
It should be noted that the first snap structure includes various forms, for example, the first snap portion is a snap point, the second snap portion is a bayonet, and the like, and the second snap structure includes various forms, for example, the third snap portion is a snap point, and the fourth snap portion is a bayonet, and the like, and the invention is not limited thereto.
In another embodiment, the housing 110 further includes a corrugated tube, one end of the corrugated tube is connected to the first housing 111, and the other end of the corrugated tube is connected to the second housing 112, when the antenna 100 needs to be folded, the corrugated tube can be directly bent until the first housing 111 and the second housing 112 are attached to each other, so that the folding operation of the antenna 100 is completed, which is convenient and fast.
In the above embodiment, the flexible inverter 123 is disposed inside the bellows.
As shown in fig. 4, when the antenna 100 is in the unfolded state, the antenna 100 may implement high-gain and narrow-beam radiation, and the antenna 100 in this state may be suitable for the same-floor working scenario, and when the antenna 100 is in the folded state, the antenna 100 may implement low-gain and wide-beam radiation, and the antenna 100 in this state may be suitable for the cross-floor working scenario.
A second aspect of the present invention provides a wireless communication device, please refer to fig. 6, the wireless communication device includes a control unit 200 and the antenna 100 of any one or more embodiments, the control unit 200 includes a processing module 210, a radio frequency module 220, a first matching module 230, a second matching module 240, and an on-off control module 250, the processing module 210 has an antenna attitude monitoring port 211, the antenna attitude monitoring port 211 is electrically connected to a feeding point of the antenna 100, the radio frequency module 220 is electrically connected to the processing module 210, the rf module 220 has an rf port 221 and a matching network selection port 222, the rf port 221 is electrically connected to the first matching module 230, the matching network selection port 222 is electrically connected to the on-off control module 250, the first matching module 230 is electrically connected to the feeding point, and the on-off control module 250 is electrically connected between the first matching module 230 and the second matching module 240.
In the working process of the wireless communication device, when the antenna 100 is in the unfolded state, the feeding point is not short-circuited with the grounding point, and when the antenna 100 is in the folded state, the feeding point is short-circuited with the grounding point, the antenna 100 generates a short-circuit signal, and the processing module 210 detects whether the antenna 100 generates the short-circuit signal in real time through the antenna attitude monitoring port 211; when the antenna attitude monitoring port 211 does not detect a short-circuit signal, the processing module 210 determines that the antenna 100 is in the unfolded state, and then the processing module 210 sends an instruction to the radio frequency module 220, so that the radio frequency module 220 controls the on-off control module 250 to be switched off through the matching network selection port 222, and at this time, the antenna 100 and the radio frequency module 220 are matched through the first matching module 230; when the antenna attitude monitoring port 211 detects a short-circuit signal, the processing module 210 determines that the antenna 100 is in a folded state, and the processing module 210 sends an instruction to the radio frequency module 220, so that the radio frequency module 220 controls the on-off control module 250 to be turned on through the matching network selection port 222, and at this time, the antenna 100 and the radio frequency module 220 are matched through the first matching module 230 and the second matching module 240.
Since the above-mentioned wireless communication device adopts all embodiments of the above-mentioned antenna 100, at least all the beneficial effects of the above-mentioned embodiments are obtained, and are not described in detail herein.
In one embodiment, as shown in connection with fig. 6, the wireless communication device further includes a user interaction module 300, the user interaction module 300 being in electrical communication with the processing module 210. The processing module 210 may monitor and analyze the signal strength and the state of the antenna 100, and feed the analysis result back to the user interaction module 300 to prompt the user to change or maintain the state of the antenna 100.
It should be noted that the user interaction module 300 includes, but is not limited to, a display screen, a speaker, and a mobile phone.
A third aspect of the present invention provides a method of operating a wireless communication device, the method comprising:
the feed point and the grounding point of the antenna 100 in the folded state are short-circuited to generate a short-circuit signal, and the processing module 210 detects whether the antenna 100 generates the short-circuit signal through the antenna attitude monitoring port 211;
if not, the processing module 210 determines that the antenna 100 is in the unfolded state, and the processing module 210 sends an instruction to the radio frequency module 220, so that the radio frequency module 220 sends a disconnection instruction to the on-off control module 250 through the matching network selection port 222, so that the on-off control module 250 enters a disconnection state, and at this time, the antenna 100 and the radio frequency module 220 are matched through the first matching module 230;
if so, the processing module 210 determines that the antenna 100 is in the folded state, and the processing module 210 sends an instruction to the radio frequency module 220, so that the radio frequency module 220 sends a switch-on instruction to the on-off control module 250 through the matching network selection port 222, so that the on-off control module 250 enters the on state, and at this time, the antenna 100 and the radio frequency module 220 are matched through the first matching module 230 and the second matching module 240.
When the antenna 100 is in the unfolded state, the antenna 100 and the rf module 220 are matched through the first matching module 230, and when the antenna 100 is in the folded state, the antenna 100 and the rf module 220 are matched through the first matching module 230 and the second matching module 240, so that the antenna 100 can achieve good impedance matching performance no matter in the folded state or in the unfolded state, and radiation performance of the antenna 100 in different states is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An antenna, characterized in that the antenna comprises:
a housing comprising a first shell and a second shell, the first shell foldably connected to the second shell;
the radiating body comprises a first dipole arranged in the first shell, a second dipole arranged in the second shell and a flexible phase inverter connected between the first dipole and the second dipole, the first dipole comprises a first dipole arm connected with the flexible phase inverter and a second dipole arm arranged in an insulating mode with the first dipole arm, a feeding point is arranged on the first dipole arm, a grounding point is arranged on the second dipole arm, and the second dipole can be connected with the second dipole arm after the first shell and the second shell are folded.
2. The antenna of claim 1, wherein: the second dipole arm is provided with a first electric contact portion, the first electric contact portion extends out of the first shell, the second dipole is provided with a second electric contact portion, the second electric contact portion extends out of the second shell, and the first electric contact portion can be connected with the second electric contact portion after the first shell and the second shell are folded mutually.
3. The antenna of claim 2, wherein: the first and second housings are in a mutually folded state, the first electrical contact forms a first projection on the second dipole, the second electrical contact forms a second projection on the second dipole arm, the first projection has an area less than 0.0025 λ, and/or the second projection has an area less than 0.0025 λ, where λ is a wavelength in free space.
4. The antenna of claim 2, wherein: the first shell is provided with a first connecting part, the second shell is provided with a second connecting part, the first connecting part can be connected with the second shell in a detachable manner after being folded, and the first shell can be connected with the second shell in a detachable manner after being folded.
5. The antenna according to any of claims 1-4, characterized in that: the electric circuit of the flexible phase inverter is in a wave structure or a spiral structure.
6. The antenna according to any of claims 1-4, characterized in that: the shell further comprises a hinged piece, one end of the hinged piece is hinged to the first shell, and the other end of the hinged piece is hinged to the second shell.
7. The antenna according to any of claims 1-4, characterized in that: the shell further comprises a corrugated pipe, one end of the corrugated pipe is connected with the first shell, and the other end of the corrugated pipe is connected with the second shell.
8. A wireless communication device, characterized by: the wireless communication device comprises a control unit and the antenna according to any one of claims 1 to 7, wherein the control unit comprises a processing module, a radio frequency module, a first matching module, a second matching module and an on-off control module, the processing module is provided with an antenna attitude monitoring port, the antenna attitude monitoring port is electrically connected with a feeding point of the antenna, the radio frequency module is electrically connected with the processing module, the radio frequency module is provided with a radio frequency port and a matching network selection port, the radio frequency port is electrically connected with the first matching module, the matching network selection port is electrically connected with the on-off control module, the first matching module is electrically connected with the feeding point, and the on-off control module is electrically connected between the first matching module and the second matching module.
9. The wireless communication device of claim 8, wherein: the wireless communication device also includes a user interaction module in electrical communication with the processing module.
10. A method of operating a wireless communication device, the method comprising the steps of:
the antenna short-circuit detection method comprises the steps that a feed point and a grounding point of an antenna in a folded state are in short circuit to generate a short-circuit signal, and a processing module detects whether the antenna generates the short-circuit signal through an antenna attitude monitoring port;
if not, the processing module judges that the antenna is in the unfolding state, and sends an instruction to the radio frequency module so that the radio frequency module sends a disconnection instruction to the on-off control module through the matching network selection port, so that the on-off control module enters a disconnection state, and at the moment, the antenna is matched with the radio frequency module through the first matching module;
if the antenna is in the folded state, the processing module sends an instruction to the radio frequency module, so that the radio frequency module sends a switching-on instruction to the on-off control module through the matching network selection port, the on-off control module enters a switching-on state, and at the moment, the antenna is matched with the radio frequency module through the first matching module and the second matching module.
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| CN114421119B (en) | 2024-06-07 |
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