CN206921994U - Antenna structure - Google Patents
Antenna structure Download PDFInfo
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- CN206921994U CN206921994U CN201720348495.6U CN201720348495U CN206921994U CN 206921994 U CN206921994 U CN 206921994U CN 201720348495 U CN201720348495 U CN 201720348495U CN 206921994 U CN206921994 U CN 206921994U
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- receiving element
- electric capacity
- signal receiving
- signal
- antenna body
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Abstract
It the utility model is related to a kind of antenna structure, including antenna body；The acceptance division to be extended out from antenna body；Signal receiving element, it is arranged on antenna body；Power supply, operating voltage is provided to signal receiving element.Antenna body includes：First low pass filter, first resistor and the first electric capacity, the first low pass filter include the first inductance and the second electric capacity；Power supply is electrically connected at the node between first resistor and the first electric capacity with first resistor and the first electric capacity composition loop, the voltage input end of signal receiving element, the other end ground connection of the first electric capacity；The earth terminal ground connection of signal receiving element；The output end of signal receiving element is electrically connected at the node between the first inductance of the first low pass filter and the second electric capacity, the other end of the second electric capacity ground connection, the output end of the other end of the first inductance as signal receiving element receiving infrared-ray signal.Antenna structure provided by the utility model may be such that digital television receiver has stronger signal reception.
Description
Technical field
A kind of antenna structure is the utility model is related to, especially, is related to a kind of DTV with remote control reception function
The antenna structure of receiver.
Background technology
At present, computer is increasingly popularized, and its function is also stronger and stronger, is had become using computer come TV reception
A kind of trend.And need a digital television receiver to receive TV signal come TV reception using computer, then pass through
The display screen of computer plays the TV programme received.
Existing digital television receiver generally comprises tuner (TV tuner), and the antenna being connected with the tuner
Structure.The antenna structure is generally located on spacious obvious place, such as：The top of display, to receive TV signal and incite somebody to action
The television signal transmission received plays the TV Festival received after signal transacting to tuner by the display of computer
Mesh.
However, the digital television receiver with remote control reception function, integrates one usually on the circuit board of tuner
Individual signal receiving element, to receive infrared signal that remote control sends to realize long-range remote control function.
General tuner is using USB interface or to be directly inserted on the PCI slot in host computer, is connected with computer
To carry out signal exchange.If tuner is inserted into the USB interface at host computer rear or is directly inserted in host computer
On PCI slot, due to the stop of host computer in itself, the signal receiving element being arranged on tuner circuit plate is difficult to receive
The infrared signal that remote control is sent, cause reception dead angle more.Therefore, remote control uses very inconvenient, and have can
Energy digital television receiver loses long-range remote control function completely.
Utility model content
In view of this, there is provided a kind of antenna structure that there is reception remote control to send signal capabilities is actually necessary.
A kind of antenna structure will be illustrated with embodiment below, it is stronger that the antenna structure may be such that digital television receiver has
Reception remote control send the ability of signal.
The utility model provides a kind of antenna structure, including antenna body；The reception to be extended out from the antenna body
Portion；Signal receiving element, it is arranged on the antenna body, receives the infrared signal that remote control is sent；And power supply, to institute
State signal receiving element and operating voltage is provided, wherein, the antenna body also includes：First low pass filter, first resistor and
First electric capacity, first low pass filter include the first inductance and the second electric capacity；The power supply and the first resistor and institute
The first electric capacity composition loop is stated, the voltage input end of the signal receiving element is electrically connected to the first resistor and described first
At node between electric capacity, the other end ground connection of first electric capacity；The earth terminal ground connection of the signal receiving element；And institute
The output end for stating signal receiving element is electrically connected to first inductance of first low pass filter and second electric capacity
Between node at, the other end of second electric capacity ground connection, the other end of first inductance receives member as the signal
The output end of part receiving infrared-ray signal.
Compared to prior art, signal receiving element is arranged on the antenna body of antenna structure by the antenna structure,
Because antenna structure is typically all to be arranged on spacious obvious position, therefore, the signal receiving element being arranged on antenna structure
It is easier to receive the infrared signal that remote control is sent, from the reception dead angle for largely reducing infrared signal, enters
And make it that the signal reception of digital television receiver is stronger.
Brief description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the entirety of antenna structure provided by the utility model and the digital television receiver using the antenna structure
Structural representation；
Fig. 2 is the local circuit annexation signal for the digital television receiver that the utility model first embodiment is provided
Figure；And
Fig. 3 is the local circuit annexation signal for the digital television receiver that the utility model second embodiment is provided
Figure.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is refer to, the utility model provides a kind of digital television receiver 100, including：Tuner 110, antenna structure
120, to connect the radio-frequency cable 130 of tuner 110 and antenna structure 120.
Tuner 110 is surface-mounted integrated circuit, the PCI slot using USB interface or being directly inserted in host computer
It is upper to be connected with computer equipment.Tuner 110 is connected by radio-frequency cable 130 with antenna structure 120, to antenna structure
120 radiofrequency signals transmitted are handled.Radiofrequency signal after processing is transferred to computer, and can be in being played on computer monitor
The TV programme received.
Antenna structure 120 includes antenna body 122, the acceptance division 121 to be extended out from antenna body 122 and signal and connect
Receive element 123.Acceptance division 121 extends out to receive TV RF signals from antenna body 122.Antenna body 122 passes through
Radio-frequency cable 130 is connected with tuner 110, and TV RF signals are transmitted to tuner 110.
Signal receiving element 123 is arranged on antenna body 122, to receive the infrared signal that remote control is sent, with
Perform the Remote to digital television receiver 100.
In the present embodiment, because antenna structure 120 is generally located on spacious visibility point, therefore by signal receiving element
123 are arranged in the antenna body 122 of antenna structure 120, typically will not by the stop of other objects (such as host computer),
The infrared signal that remote control is sent is easier to be received by signal receiving element 123, and it is from largely reducing infrared ray
The reception dead angle of signal, and then so that the ability for the infrared signal that the reception remote control of digital television receiver 100 is sent is stronger.
The specific connection circuit relationships of digital television receiver 100 will be introduced with specific embodiment below.
Fig. 2 is refer to, Fig. 2 show the office for the digital television receiver 100 that the utility model first embodiment is provided
Portion's circuit connecting relation schematic diagram.Independently-powered power supply 125 is provided with antenna body 122, with to signal receiving element 123
Operating voltage is supplied, i.e., independently-powered power supply 125 only provides operating voltage to signal receiving element 123, do not provide work
Voltage is to tuner 110.Power supply 125 is battery, or power supply adaptor.Supply unit in power supply 125 or computer, passes through
Transmission line provides operating voltage to signal receiving element 123.The output signal of signal receiving element 123 passes through radio-frequency cable 130
Transmit to tuner 110.
Power supply 125 is grounded after being sequentially connected electrically resistance R1 and electric capacity C1, i.e. power supply 125 and resistance R1 and electric capacity C1 compositions one
Loop.The voltage input end Vcc of signal receiving element 123 is electrically connected at the node between resistance R1 and electric capacity C1, to connect
The operating voltage that power supply 125 is provided is received, so that signal receiving element 123 is in running order.Signal receiving element 123 connects
Ground terminal GND is grounded.The output end vo ut of infrared receiver 123 and the first low pass filter being arranged on antenna body 122
126 are connected, and the infrared signal that signal receiving element 123 receives passes sequentially through the first low pass filter 126 and radio frequency electrical
Cable 130 is transmitted to tuner 110.Specifically, the first low pass filter 126 is made up of electric capacity C2 and inductance L1.Signal receives
The output end vo ut of element 123 is electrically connected at the node between electric capacity C2 and inductance L1, electric capacity C2 other end ground connection, inductance
L1 other end connection radio-frequency cable 130, and be connected with acceptance division 121.Preferably, the output end of signal receiving element 123
Vout is further electrically connected to the node between power supply 125 and resistance R1 by resistance R2, to ensure output end vo ut voltage
The output of output signal, and deliver to next stage circuit processing beneficial to by voltage output signal.
Radio-frequency cable 130 is connected with the radio frequency connector 111 of tuner 110, and by being arranged in tuner 110
The radiofrequency signal that second low pass filter 112 receives acceptance division 121, and the infrared ray that signal receiving element 123 receives
Signal exports respectively.Second low pass filter 112 is formed by connecting by electric capacity C4, inductance L2 and electric capacity C3.Specifically, radio frequency connects
The output end of device 111 is electrically connected to the node between electric capacity C4 and inductance L2, and the electric capacity C4 other end exports as radiofrequency signal
RFO/P is held, the radiofrequency signal acceptance division 121 to be received is exported.The inductance L2 other end is connected with electric capacity C3, electricity
Hold C3 other end ground connection.Output end IR Data O/P of the node as infrared signal between inductance L2 and electric capacity C3, use
Export to the central processing unit in tuner 110 and handled in the infrared signal for receiving signal receiving element 123.
In the present embodiment, signal receiving element 123 utilizes power supply 125 (being such as arranged at the battery in antenna body 122)
It is powered and is at working condition, to receive the infrared signal that remote control is sent.The infrared signal received
Pass sequentially through the first low pass filter 126, the low pass filter 112 of the radio frequency connector being arranged on tuner 110 111 and second
The central processing unit being transferred in tuner 110 is handled, to perform remote control command.
Fig. 3 is refer to, Fig. 3 show the office for the digital television receiver 200 that the utility model second embodiment is provided
Portion's circuit connecting relation schematic diagram.Second embodiment is roughly the same with the circuit connecting relation that first embodiment is provided, and it is not
It is with part, independently-powered power supply is not provided with antenna body 222, the operating voltage of signal receiving element 223 is by tuning
Device 210 provides.Tuner 210 provides direct-current working volts by radio-frequency cable 230 to signal receiving element 223, and signal connects
The output signal for receiving element 223 is transmitted to tuner 210 by transmission line 240.
Specifically, in the second low pass filter 212 in tuner 210, the node conduct between inductance L2 and electric capacity C3
DC voltage input end DCI/P, it may be electrically connected on the power supply in tuner 210, the power supply of tuner 210 provided
Operating voltage transmit to signal receiving element 223.Node between inductance L2 and electric capacity C4 passes sequentially through radio frequency connector 211
The low pass filter 226 of acceptance division 221 and first is connected to radio-frequency cable 230, the DC voltage that tuner 210 is provided passes
The power end Vcc for the signal receiving element 223 being arranged on antenna body 222 is transported to, and the radio frequency that acceptance division 221 is received is believed
Number transmit to the radio frequency output port RF O/P of tuner 210.Inductance in the low pass filter 226 of radio-frequency cable 230 and first
L1 is connected, and the inductance L1 other end is connected with electric capacity C2, electric capacity C2 other end ground connection.Between inductance L1 and electric capacity C2
Node is connected to resistance R1, and the resistance R1 other end is connected with electric capacity C1, electric capacity C1 other end ground connection, and resistance R1 and electricity
Hold the voltage input end Vcc that the node between C1 is electrically connected to signal receiving element 223, connect with providing operating voltage to infrared ray
Receive device 223.The earth terminal GND ground connection of infrared receiver 223, output end vo ut are directly connected to tuning by transmission line 240
The central processing unit (not shown) of device 210.Preferably, the output end vo ut and inductance L1 and electric capacity C2 of signal receiving element 223
Between node between resistance R2 is set, to ensure the output of the voltage output signal of signal receiving element 223, and beneficial to by voltage
Output signal delivers to next stage circuit processing.
In the present embodiment, tuner 210 provides operating voltage to signal receiving element 223, is at working condition,
Signal receiving element 223 receives the infrared signal that remote control is sent, and by the infrared signal received via transmission line 240
The central processing unit for being transferred to tuner 210 is handled, to perform long-distance infrared remote-controlled instruction.
Although the utility model is disclosed as above with preferred embodiment, it is not for limiting the utility model, appointing
What those skilled in the art is not being departed from spirit and scope of the present utility model, may be by the method and skill of the disclosure above
Art content makes possible variation and modification to technical solutions of the utility model, therefore, every without departing from the utility model technology
The content of scheme, any simple modification made according to the technical essence of the utility model to above example, equivalent variations and
Modification, belong to the protection domain of technical solutions of the utility model.
Claims (3)
- A kind of 1. antenna structure, it is characterised in that including：Antenna body；The acceptance division to be extended out from the antenna body；Signal receiving element, it is arranged on the antenna body, receives the infrared signal that remote control is sent；AndPower supply, operating voltage is provided to the signal receiving element,Wherein, the antenna body also includes：First low pass filter, first resistor and the first electric capacity, first low pass filter include the first inductance and the second electricity Hold；The power supply and the first resistor and first electric capacity composition loop, the voltage input end of the signal receiving element It is electrically connected at the node between the first resistor and first electric capacity, the other end ground connection of first electric capacity；The earth terminal ground connection of the signal receiving element；AndThe output end of the signal receiving element is electrically connected to first inductance of first low pass filter and described the At node between two electric capacity, the other end ground connection of second electric capacity, the other end of first inductance is as the signal The output end of receiving element receiving infrared-ray signal.
- 2. antenna structure as claimed in claim 1, it is characterised in that the power supply is battery or power supply adaptor.
- 3. antenna structure as claimed in claim 1, it is characterised in that wherein, the antenna body also includes second resistance, and The second resistance is electrically connected between the output end of the power supply and the signal receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348495.6U CN206921994U (en) | 2017-11-02 | 2017-11-02 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720348495.6U CN206921994U (en) | 2017-11-02 | 2017-11-02 | Antenna structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921994U true CN206921994U (en) | 2018-01-23 |
Family
ID=61305301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720348495.6U Active CN206921994U (en) | 2017-11-02 | 2017-11-02 | Antenna structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206921994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544855A (en) * | 2018-05-29 | 2019-12-06 | 鸿富锦精密工业(武汉)有限公司 | power adapter and electronic device including the same |
-
2017
- 2017-11-02 CN CN201720348495.6U patent/CN206921994U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544855A (en) * | 2018-05-29 | 2019-12-06 | 鸿富锦精密工业(武汉)有限公司 | power adapter and electronic device including the same |
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