CN109149061B - Signal tracking method for flat-panel television antenna and antenna thereof - Google Patents
Signal tracking method for flat-panel television antenna and antenna thereof Download PDFInfo
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- CN109149061B CN109149061B CN201810954383.4A CN201810954383A CN109149061B CN 109149061 B CN109149061 B CN 109149061B CN 201810954383 A CN201810954383 A CN 201810954383A CN 109149061 B CN109149061 B CN 109149061B
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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
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
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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
-
- 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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
Abstract
The invention discloses a signal tracking method for a flat-panel television antenna, which comprises the following steps: setting an adjustable area of the antenna; when a frequency conversion instruction or a channel signal received by the terminal is lower than a threshold value, the antenna adjusts the position of the antenna to enable the signal intensity of the current channel of the terminal to be larger than or equal to the threshold value; the frequency conversion instruction is an instruction for switching channels received by the terminal; when the antenna adjusts the position of the antenna, the adjusting range of the antenna is within an adjustable area. When a user needs to change channels, change channels or open the terminal, the terminal sends information of the current channel to the antenna, the antenna judges whether the signal intensity of the current channel is lower than a threshold value, and if so, the antenna adjusts the position of the antenna to enable the signal intensity of the current channel to be larger than or equal to the threshold value. The method avoids the phenomenon that the antenna collides indoor furniture or the center of gravity is unstable due to overlarge amplitude of an adjusting angle when the position of the antenna is adjusted, so that damage or danger is caused.
Description
Technical Field
The invention belongs to the field of communication antennas, and relates to a signal tracking method for a flat-panel television antenna and an antenna thereof.
Background
With the development of flat televisions, television antennas matched with the flat televisions are also developed, and for common antennas, the common antennas are hung on a wall body through hangers or placed on a table top. If the table top is placed on the table, the table top occupies a large space and is not easy to place. When the antenna is hung on a wall, holes need to be drilled in the wall, and if the television is not close to the wall or the wall near the television is not suitable for drilling, the antenna cannot be installed. Therefore, an antenna capable of being hung on a flat tv is produced as needed. For example, patent No. 201210019482.6 discloses a flat tv antenna stand, which includes a platform on the top of the flat tv for supporting the flat tv antenna, a suspension plate at the front end of the platform and hanging on the front edge of the top of the flat tv, and a support part rotatably connected to the platform and supported on the back of the flat tv. However, the above patent cannot automatically track signals transmitted by satellite televisions, which results in unstable television signals, and although there are antennas for automatically tracking signals at present, there is no antenna for automatically tracking signals installed on flat panel televisions, which is specific to indoor complex environments.
Disclosure of Invention
The invention aims to solve the technical problem of providing a flat-panel television antenna signal tracking method and an antenna thereof, which can meet the requirement of avoiding unstable gravity center caused by touching indoor furniture or too large amplitude of angle adjustment in an indoor complex environment.
In order to achieve the purpose, the invention provides the following technical scheme:
a signal tracking method for a flat-panel television antenna comprises the following steps: setting an adjustable area of the antenna; when the channel signal is lower than the threshold value, the antenna adjusts the position of the antenna to enable the signal intensity of the current channel of the terminal received by the antenna to be larger than or equal to the threshold value; when the antenna adjusts the position of the antenna, the adjusting range of the antenna is within an adjustable area, and the adjustable area comprises an artificial setting area, an automatic setting area and a low noise area.
When a user needs to change channels, change channels or open the terminal, the terminal sends information of the current channel to the antenna, the antenna judges whether the signal intensity of the current channel is lower than a threshold value, and if so, the antenna adjusts the position of the antenna to enable the signal intensity of the current channel to be larger than or equal to the threshold value. The method avoids damage or danger caused by unstable center of gravity due to contact with indoor furniture or overlarge amplitude of an adjusting angle when the antenna adjusts the position of the antenna by arranging the adjustable area.
The artificially set area means that a user can limit parameters such as the ascending and descending height and the rotating angle of the antenna according to the installation environment of the antenna, so as to prevent the antenna from touching surrounding objects. The automatically set area can be understood as an area obtained by a central processing unit of the antenna according to parameters of the antenna (the thickness of the terminal, the weight of the antenna and the wind intensity) such as a certain amount of calculation and the experience of an engineer, and in the area, the unstable gravity center caused by the overhigh antenna and the overlarge angle can be avoided. In addition, the invention also considers the influence of the noise generated by indoor home on the television signal, and establishes a low-noise area, so that the antenna is less interfered, and the television signal can be better restored.
Preferably, the signal of the ambient noise in the low noise region is equal to or lower than a threshold value.
Preferably, the antenna tracking signal method further includes finding a position where the noise signal intensity around the antenna is low, and establishing a low noise area.
Preferably, the automatic setting area is determined according to the thickness of the terminal (more precisely, the thickness of the top of the terminal), the weight of the antenna, and the intensity and direction of the wind.
Because the antenna is fixed on the terminal through the clamping part in this scheme, the thicker the top of terminal is, the more steadily the antenna is placed on the terminal, but the range of rising of antenna is bigger, and on the same hand, the lighter the antenna is, but the required holding power that provides of clamping part is the smaller, but the range of rising of antenna is bigger, and horizontal flip angle can be bigger with vertical flip angle, vice versa. The intensity and direction of indoor wind can cause the antenna to fall, and the antenna needs to be accommodated in an automatic setting area.
Preferably, the memory module records different channels and corresponding antenna predetermined positions, and when the terminal receives the frequency conversion signal, the antenna is adjusted to reach the predetermined position corresponding to the channel. More specifically, the antenna adjusts its position only when the terminal receives the frequency-converted signal and the television signal of the frequency-converted channel is lower than the threshold, and the antenna does not make any adjustment when the television signal of the frequency-converted channel is greater than or equal to the threshold.
In order to avoid the long time for adjusting the position of the antenna, corresponding antenna preset positions of different channels are recorded on the memory module, and when a user switches the channels, the position of the antenna is adjusted to reach the preset position in time, so that the adjustment time is shortened.
Preferably, more than one antenna predetermined position corresponding to a channel is recorded in the memory module.
Preferably, when the antenna adjusts the position of the antenna, the antenna is adjusted to reach the preset position from new to old in sequence according to the sequence recorded by the preset position of the antenna in the recording module.
When the antenna receives an external television signal, the intensity of the received television signal is weaker than that of the last received television signal due to changes of satellites and environments, and therefore, a plurality of preset positions need to be recorded in the memory module. And when one preset position does not meet the requirement, adjusting to another preset position.
A flat television antenna capable of actively tracking signals comprises an antenna main body, a clamping part and a central processing unit, wherein the clamping part is used for clamping a terminal, an adjusting device used for adjusting the position between the main body and the clamping part is arranged between the main body and the clamping part, and the adjusting device is in signal connection with the central processing unit.
The antenna in the method is clamped on a terminal (television), the antenna is supported and fixed on the terminal through the acting force of the antenna main body and the terminal, an adjusting device is arranged on the main body and the clamping part, and the central processing unit can control the angle and the height between the clamping part and the main body through adjusting the adjusting device, so that the main body can better receive signals.
Preferably, the adjusting device comprises a height adjusting device and an angle adjusting device.
Preferably, the clamping part is provided with a first displacement sensing device for acquiring the thickness of the terminal, and the first displacement sensing device is in signal connection with the central processing unit. It should be understood that the first displacement sensing device may be a distance meter or a gyroscope disposed on the clamping portion.
Preferably, obstacle detection devices are provided on both sides and above the body, and the obstacle detection devices are used to detect whether there is an obstacle near the body.
Preferably, a wind power measuring system is arranged on the body and used for sensing the strength and direction of wind. It will be appreciated that the central processing unit will register different wind directions and the intensity of the corresponding wind directions.
Compared with the prior art, the invention has the beneficial effects that:
(1) the position of antenna adjustment can be effectively restricted, and the phenomenon that the antenna collides indoor household appliances or the center of gravity is unstable due to overhigh lifting position when the antenna is automatically adjusted is avoided.
(2) By setting a series of preset positions, when a user switches channels, the position of the antenna can be timely adjusted to reach the preset position, and the adjustment time is shortened.
(3) The influence of antenna parameters, terminal parameters and wind power on the adjustment position of the antenna is fully considered, so that the center of gravity shift or overhigh is avoided, and the stability of the antenna is greatly improved.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a schematic cross-sectional view of the present invention.
The labels in the figure are: 1. a main body; 2. a support portion; 3. a suspension plate; 4. a platform; 5. a drive motor; 6. the motor is rotationally driven.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
A flat television antenna capable of actively tracking signals comprises an antenna body 1, a clamping part and a central processing unit, wherein the clamping part is used for clamping a terminal, an adjusting device used for adjusting the position between the body 1 and the clamping part is arranged between the body 1 and the clamping part, and the adjusting device is in signal connection with the central processing unit. More specifically, the flat television antenna comprises an adjusting device positioned at the top of a flat television, a main body 1 movably connected with the adjusting device and a clamping part, wherein the clamping part comprises a hanging plate 3 positioned at the front end of the adjusting device and a supporting part 2 rotatably connected with the adjusting device, the hanging plate 3 is hung at the front edge of the top of the flat television, the supporting part 2 is supported at the back of the flat television, and the main body 1 is provided with a central processing unit.
The adjusting device comprises a platform 4 positioned at the top of the flat-panel television, the main body 1 is connected with the platform 4 through a height adjusting device, an angle adjusting device is arranged between the height adjusting device and the main body 1, the height adjusting device comprises a driving motor 5, a central processing unit connected with the driving motor 5, the angle adjusting device comprises a rotary driving motor 6, and the central processing unit connected with the rotary driving motor 6. The angle adjusting device can be provided with two rotary driving motors 6 or one rotary driving motor 6 according to the requirement so as to meet the requirements of horizontal overturning and vertical overturning.
The antenna in the method is clamped on a terminal (television), the antenna is supported and fixed on the terminal through the acting force of the antenna main body 1 and the terminal, an adjusting device is arranged on the main body 1 and the clamping part, and the central processing unit can control the angle between the clamping part and the main body 1 and the distance between the clamping part and the main body 1 through adjusting the adjusting device, so that the main body 1 can better receive signals.
Preferably, the adjusting device comprises a height adjusting device and an angle adjusting device, and the height adjusting device and the angle adjusting device are in signal connection with the central processing unit.
Preferably, the clamping part is provided with a first displacement sensing device for acquiring the thickness of the terminal, and the first displacement sensing device is in signal connection with the central processing unit. It should be understood that the first displacement sensing device may be a distance meter or a gyroscope disposed on the clamping portion, and the approximate thickness of the terminal can be determined according to the rotation angle of the clamping portion obtained by the gyroscope.
Preferably, obstacle detection devices are arranged on two sides and above the body, are used for detecting whether obstacles exist nearby the body and are in signal connection with the central processing unit. The obstacle detection device may be a laser range finder, a radar, a mechanical microswitch.
Preferably, a wind power measuring system is arranged on the body and used for sensing the strength and direction of wind. The wind power measuring system is a wind power detector and is in signal connection with the central processing unit.
A signal tracking method for a flat-panel television antenna comprises the following steps: setting an adjustable area of the antenna; when the channel signal is lower than the threshold value, the antenna adjusts the position of the antenna to enable the signal intensity of the current channel of the terminal received by the antenna to be larger than or equal to the threshold value; when the antenna adjusts the position of the antenna, the adjusting range is in an adjustable area; the adjustable region comprises an artificial setting region, an automatic setting region and a low noise region.
When a user needs to change channels, change channels or open the terminal, the terminal sends information of a current channel to the antenna, the antenna judges whether the signal intensity of the current channel is lower than a threshold value, if so, the antenna adjusts the position of the antenna to enable the signal intensity of the current channel to be larger than or equal to the threshold value, and if not, the antenna keeps the original position. It should be understood that when the antenna adjusts its position, if there is no preset position, the antenna is fixed at a height and a vertical flip angle, then the signal strength of different horizontal flip angles at the same height and the same vertical flip angle is tested, when the signal strength obtained by the test is not satisfactory, the antenna is raised by 1 unit of height (the unit height is judged according to the actual condition of the antenna), then the signal strength of different horizontal flip angles at the new height is tested, and so on until the antenna body 1 reaches a proper position, so that the television signal strength is greater than or equal to the threshold. It should be understood that all of the heights and angles described should be within the adjustable region, more precisely within the intersection of the artificially set region, the low noise region, and the automatically set region.
Preferably, the signal of the ambient noise in the low noise region is equal to or lower than a threshold value.
Preferably, the adjustable region of the antenna includes a manually set region and an automatically set region. The artificially set area means that a user can limit parameters such as the ascending and descending height and the rotating angle of the antenna according to the installation environment of the antenna, so as to prevent the antenna from touching surrounding objects. The automatically set area can be understood as an area obtained by a central processing unit of the antenna according to parameters of the antenna (the thickness of the terminal, the weight of the antenna and the wind intensity) such as a certain amount of calculation and the experience of an engineer, and in the area, the unstable gravity center caused by the overhigh antenna and the overlarge angle can be avoided.
Preferably, the automatic setting area is determined according to the thickness of the terminal (more precisely, the thickness of the top of the terminal), the weight of the antenna, and the intensity and direction of the wind.
Because the antenna is fixed on the terminal through the clamping part in this scheme, the thicker the top of terminal is, the more steadily the antenna is placed on the terminal, but the range of rising of antenna is bigger, and on the same hand, the lighter the antenna is, but the required holding power that provides of clamping part is the smaller, but the range of rising of antenna is bigger, and horizontal flip angle can be bigger with vertical flip angle, vice versa. The intensity and direction of indoor wind can cause the antenna to fall, and the antenna needs to be accommodated in an automatic setting area.
Example 2
Different from the embodiment 1, the memory module of the antenna already records different channels and corresponding antenna predetermined positions, and when the terminal receives the frequency conversion signal, the antenna is adjusted to reach the predetermined position corresponding to the channel. More specifically, the antenna adjusts its position only when the terminal receives the frequency-converted signal and the television signal of the frequency-converted channel is lower than the threshold, and the antenna does not make any adjustment when the television signal of the frequency-converted channel is greater than or equal to the threshold.
In order to avoid the long time for adjusting the position of the antenna, corresponding antenna preset positions of different channels are recorded on the memory module, and when a user switches the channels, the position of the antenna is adjusted to reach the preset position in time, so that the adjustment time is shortened. It should be understood that the antenna may start to adjust the position only after the channel is switched and stays on the channel for 1 second or more, otherwise, the antenna may not make any adjustment.
Preferably, more than one antenna predetermined position corresponding to a channel is recorded in the memory module.
Preferably, when the antenna adjusts the position of the antenna, the antenna is adjusted to reach the preset position from new to old in sequence according to the sequence recorded by the preset position of the antenna in the recording module.
When the antenna receives an external television signal, the intensity of the received television signal is weaker than that of the last received television signal due to changes of satellites and environments, and therefore, a plurality of preset positions need to be recorded in the memory module. And when one preset position does not meet the requirement, adjusting to another preset position.
Example 3
This embodiment is to explain that the automatic setting area is determined based on the thickness of the terminal (more precisely, the thickness of the top of the terminal), the weight of the antenna, and the intensity and direction of the wind, and also based on the data obtained by the obstacle detecting device.
The obstacle detection device detects whether an obstacle exists around the antenna body 1 and the distance between the obstacle and the antenna body 1, if the distance between the obstacle and the antenna body 1 is less than or equal to 2cm, the obstacle detection device is considered to be in a safety range and belongs to an automatic setting area, and if the distance between the obstacle and the antenna body 1 is greater than 2cm, the obstacle detection device is considered to be out of the safety range, namely not in the automatic setting area.
Example 4
The present embodiment is mainly used for explaining how a user sets a manually set area, a control panel is provided on the adjusting device, the user sets the adjusting device to be in a set mode, and then the main body 1 is rotated by a certain horizontal turning angle, so that the central processing unit records the operation, and the horizontal turning range is the horizontal turning angle range in the manually set area. Similarly, when the user raises and lowers the main body 1 by a predetermined amount, the range of the raising and lowering is the range of the raising and lowering of the artificial setting region, and the combination of the both is the artificial setting region.
It should be understood that if one of the horizontal turning angle and the ascending and descending amplitude is adopted for adjustment, the manually set area has only one adjustment range, and if the user only inputs the horizontal turning angle range of the main body 1 into the central processing unit, the antenna only adjusts the horizontal turning angle of the antenna when automatically adjusting the position, and the antenna does not ascend or descend. Therefore, it should be understood that when the user inputs the vertical flip angle into the central processing unit again, the combination of the vertical flip angle range, the horizontal flip angle range, and the ascending and descending range is an artificial setting region.
It should be understood that in the way how the user sets the manually set area, the user can not only rely on the control panel, but also remotely control the area through the mobile phone or the remote controller through the signal receiving and sending device in the antenna. Other transmission modes for allowing the user to input the horizontal turning angle, the vertical turning angle and the ascending and descending amplitude of the antenna into the central processing unit are all within the protection scope of the present invention.
Example 5
The present embodiment is to illustrate how to measure the noise signal, and since the tv signal is a random signal, it is difficult to distinguish the noise from the tv signal received by the antenna, so the tv signal can be shielded first, and the noise distribution in the indoor environment can be analyzed. The method of masking a television signal is as follows: the method comprises the steps of covering a signal shielding piece above an antenna, testing signals of the antenna under different horizontal turning angles, vertical turning angles and heights, defining the signals as noise, recording the corresponding positions of the noise lower than a noise threshold value into a central processing unit, and defining the corresponding positions as low-noise areas. The invention is arranged above the flat-panel television antenna, is already positioned at a relatively higher position in a room, is less interfered by noise from the upper part, and television signals are transmitted from top to bottom. The electromagnetic wave absorbing material is paved on the upper surface of the shielding piece, and the electromagnetic wave reflecting material is paved on the upper surface of the shielding piece.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A signal tracking method for a flat-panel television antenna is characterized by comprising the following steps:
setting an adjustable area of the antenna;
when the channel signal of the terminal is lower than the threshold value, the antenna adjusts the position of the antenna so that the received signal intensity of the current channel of the terminal is greater than or equal to the threshold value;
the antenna adjusting the position thereof comprises: the antenna is fixed at a height and a vertical turnover angle, the signal intensity of different horizontal turnover angles at the same height and the same vertical turnover angle is tested, when the signal intensity obtained by the test does not meet the requirement, the height of the antenna is increased by 1 unit, then the signal intensity of different horizontal turnover angles at the new height is tested, and the like is carried out until the antenna reaches a position which enables the television signal intensity to be larger than or equal to a threshold value;
when the antenna adjusts the position of the antenna, the adjusting range is in an adjustable area;
the adjustable area comprises an artificial setting area, an automatic setting area and a low noise area; wherein the artificial setting area is determined according to the installation environment of the antenna, the automatic setting area is determined according to the parameters of the antenna,
the artificially set area means that a user can limit the ascending and descending height and the rotating angle parameters of the antenna according to the installation environment of the antenna, so that the antenna is prevented from touching surrounding objects;
the automatic setting area is an area obtained by the central processing unit of the antenna according to the thickness of the terminal, the weight of the antenna and the wind intensity.
2. The method as claimed in claim 1, wherein the signal of the environmental noise in the low noise area is lower than or equal to a threshold value.
3. The method as claimed in claim 1, further comprising finding a location around the antenna where the noise signal strength is low to create a low noise area.
4. The method as claimed in claim 1, wherein the memory module records different channels and corresponding predetermined positions of the antenna, and adjusts the antenna to reach the predetermined position corresponding to the channel when the terminal receives the frequency-change signal.
5. The method as claimed in claim 4, wherein more than one predetermined position of the antenna corresponding to the channel is recorded in the memory module.
6. The method as claimed in claim 5, wherein when the antenna adjusts its position, the antenna is adjusted to the predetermined position in sequence from new to old according to the sequence recorded by the predetermined position of the antenna in the recording module.
7. A flat television antenna for actively tracking signals, characterized in that it employs the method of any one of claims 1 to 6 and comprises an antenna body, a holding portion for holding on a terminal, and a central processing unit, between the body and the holding portion there being provided adjusting means for adjusting the position between the body and the holding portion, said adjusting means being in signal connection with the central processing unit.
8. The flat-panel television antenna according to claim 7, wherein the adjusting means comprises a height adjusting means and an angle adjusting means.
9. A flat-panel television antenna according to claim 7, characterized in that the clamping part is provided with a first displacement sensing means for obtaining the thickness of the terminal, the first displacement sensing means being in signal connection with the central processing unit.
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| CN201810954383.4A CN109149061B (en) | 2018-08-21 | 2018-08-21 | Signal tracking method for flat-panel television antenna and antenna thereof |
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| CN201810954383.4A CN109149061B (en) | 2018-08-21 | 2018-08-21 | Signal tracking method for flat-panel television antenna and antenna thereof |
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| CN205245447U (en) * | 2015-10-30 | 2016-05-18 | 大金工业株式会社 | Air conditioner |
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| CN2938449Y (en) * | 2006-08-03 | 2007-08-22 | 创惟科技股份有限公司 | Automatic digital antenna feedback regulating device |
| CN105071040A (en) * | 2015-08-17 | 2015-11-18 | 南京中网卫星通信股份有限公司 | Ship-borne communication-in-moving antenna stabilized platform apparatus |
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