CN213661603U - Low noise signal receiver for network terminal - Google Patents

Low noise signal receiver for network terminal Download PDF

Info

Publication number
CN213661603U
CN213661603U CN202120044556.6U CN202120044556U CN213661603U CN 213661603 U CN213661603 U CN 213661603U CN 202120044556 U CN202120044556 U CN 202120044556U CN 213661603 U CN213661603 U CN 213661603U
Authority
CN
China
Prior art keywords
connector
signal
feeder
output
box body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120044556.6U
Other languages
Chinese (zh)
Inventor
苏娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202120044556.6U priority Critical patent/CN213661603U/en
Application granted granted Critical
Publication of CN213661603U publication Critical patent/CN213661603U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The utility model discloses a low-noise signal receiver for a network terminal, which comprises a box body, wherein a receiving antenna is arranged in the box body, a first feeder line joint is arranged on the receiving antenna, a signal processor is also arranged in the box body, and an input joint and an output joint are arranged on the signal processor; a placing groove is formed in the box body, a containing rod is arranged in the placing groove, a feeder line is sleeved on the containing rod, and signal connectors are arranged at two ends of the feeder line; the input connector extends into the placing groove and is respectively connected with the first feeder connector and the output connector through the signal connector so as to realize signal connection between the receiving antenna and the signal processor; above-mentioned box body one side is equipped with output antenna, and above-mentioned output antenna inserts output and connects, above-mentioned output antenna and output connect signal connection to it influences because environmental factor makes signal transmission to expect to optimize, leads to the limited problem of network terminal signal transmission.

Description

Low noise signal receiver for network terminal
Technical Field
The utility model relates to a network terminal appurtenance, concretely relates to low noise signal receiver for network terminal.
Background
With the development of the times, the existing working environment and working progress are deliberately monitored in real time and synchronously docked through datamation, and remote working guidance can be realized through a network terminal and a corresponding scheduling terminal. The network terminal is a terminal device specially used in a network communication environment, and the interaction of the network terminal usually requires signal transmission and is performed by using a network as a main carrier, so that the network terminal needs to access a corresponding communication base station in the using process.
Because the network coverage and the signal receiving strength are mainly transmitted through filtering, and the filtering is easily influenced by external environmental factors, in the actual working process, if the working environment is in the interior of a building and signal transmission equipment in the interior of the building is not correspondingly built, the signal transmission of the network terminal in the interior of the building can not be ensured. Therefore, in a relatively complex environment, it is worth studying how to guarantee the signal reception of the network terminal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise signal receiver for network terminal to expect to optimize because environmental factor makes signal transmission receive the influence, lead to the limited problem of network terminal signal transmission.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a low-noise signal receiver for a network terminal comprises a box body, wherein a receiving antenna is placed in the box body, a first feeder line connector is arranged on the receiving antenna, a signal processor is further installed in the box body, and an input connector and an output connector are arranged on the signal processor; a placing groove is formed in the box body, a containing rod is arranged in the placing groove, a feeder line is sleeved on the containing rod, and signal connectors are arranged at two ends of the feeder line; the input connector extends into the placing groove and is respectively connected with the first feeder connector and the output connector through the signal connector so as to realize signal connection between the receiving antenna and the signal processor; one side of the box body is provided with an output antenna, the output antenna is inserted into an output connector, and the output antenna is in signal connection with the output connector.
Preferably, a carrier rod is placed in the box body, the carrier rod is hollow, a signal line is arranged in the carrier rod, a second feeder connector matched with the first feeder connector is arranged at the upper end of the carrier rod, a third feeder connector matched with the signal connector is arranged at the lower end of the carrier rod, the two ends of the signal line are respectively connected with the second feeder connector and the third feeder connector, and the carrier rod is used for communicating the feeder line with the receiving antenna.
The receiving antenna is a grid antenna, the carrier rods are multiple, two adjacent carrier rods are spliced with each other, and the second feeder line connector and the third feeder line connector are matched with each other.
Preferably, the box body is provided with a power supply, the power supply is electrically connected with a signal processor, an integrated board is arranged in the signal processor, and the integrated board processes signals transmitted by the receiving antenna.
The further technical scheme is that a signal amplification module, a low-pass filtering module, a high-pass filtering module, a wave trap and an amplification circuit are mounted on the integrated board, the input connector is connected with the signal amplification module, the signal amplification module is connected with the low-pass filtering module, the low-pass filtering module is connected with the high-pass filtering module, the high-pass filtering module is connected with the wave trap, the wave trap is connected with the amplification circuit, and the amplification circuit is connected with the output connector.
Compared with the prior art, the beneficial effects of the utility model are one of following at least:
the utility model discloses a box body improve equipment's portability gathers the basic station signal through receiving antenna, and signal output who accepts receiving antenna through the feeder is to signal processor, filters the back through signal processor, by the low noise signal after the output antenna output filters, transmits the low noise signal to the region that receives external environment influence through output antenna to satisfy network terminal's normal use.
This practicality can improve receiving antenna's the buildding through the carrier pole, makes receiving antenna's signal of gathering can be transmitted signal processor through second feeder joint, third feeder joint and signal line to the staff can be according to external environment, builds receiving antenna position department position. The splicing form of the carrier rod is beneficial to searching the best point for receiving the antenna signal by workers in a handheld state.
The utility model discloses a power has guaranteed the required voltage of signal processor work, reduces the use restriction of equipment under the environment that lacks municipal power supply.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the carrier rod of the present invention.
Fig. 3 is an installation schematic diagram of the present invention.
Fig. 4 is the utility model discloses circuit board work flow chart.
Fig. 5 is a schematic diagram of the signal amplification module.
FIG. 6 is a schematic diagram of a low pass filtering module.
Fig. 7 is a schematic diagram of a high-pass filtering module.
Figure 8 is a schematic diagram of the operation of the trap.
Fig. 9 is a schematic diagram of the amplifying circuit.
Description of reference numerals:
1-box body, 2-receiving antenna, 3-signal processor, 4-output antenna, 5-carrier rod, 6-power supply, 7-integrated board, 101-placement groove, 102-receiving rod, 103-feeder, 104-signal connector, 201-first feeder connector, 301-input connector, 302-output connector, 501-signal line, 502-second feeder connector, 503-third feeder connector, 701-signal amplification module, 702-low pass filter module, 703-high pass filter module, 704-wave trap and 705-amplification circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an embodiment of the present invention is a low noise signal receiver for network terminal, including a box body 1, a receiving antenna 2 is placed in the above box body 1, wherein, the receiving antenna 2 can be an existing parabolic antenna, its box body 1 is an existing alloy shell, and an insulating rubber is provided on the inner wall of the shell and the outer wall cover. The receiving antenna 2 is provided with a first feeder connector 201, the existing parabolic antenna generally has a paraboloid and a feed source head, the paraboloid is utilized to reflect parallel lines and then can be focused on a fixed point, the energy of electromagnetic waves is gathered on one point, then the feed source head is placed on the focus, a strong signal is obtained through the feed source head, and conversely, the line emitted by the feed source head on the focus can be reflected by the paraboloid in parallel; the receiving antenna 1 can be an existing grid antenna, the grid antenna is provided with a feed source head and a grid, and the feed source head is vertically arranged with the grid; the first feeder connector 201 is a signal connector of a feeder source, and the connector may be a male terminal of an existing communication connector.
The box body 1 is also provided with a signal processor 3, and the signal processor 3 is provided with an input connector 301 and an output connector 302; since the frequency of the signal collected by the receiving antenna 2 may be cluttered, the collected frequency of the signal needs to be filtered by the signal processor 3, and the filtered signal is output. Unprocessed signals are input through input connector 301 and processed signals are output through output connector 302.
A placing groove 101 is arranged in the box body 1, a containing rod 102 is arranged in the placing groove 101, a feeder line 103 is sleeved on the containing rod 102, and signal connectors 104 are arranged at two ends of the feeder line 103; the input connector 301 extends into the placement slot 101 and is respectively connected with the first feeder connector 201 and the output connector 302 through the signal connector 104 to realize the signal connection between the receiving antenna 2 and the signal processor 3; the feeder line 103 is an existing commodity, and the signal connector 104 at the head end of the feeder line 103 is an existing communication connector female end so as to be adapted to the first feeder line connector 201. And feeder 103 end signal connector 104 with input connector 301 adaptation can, settle at the signal acquisition point when receiving antenna 2, its box body 1 is placed in the region that lacks the signal, guarantee the switch-on of receiving antenna 2 and the inside signal processor 3 of box body 1 through feeder 103, store feeder 103 through standing groove 101 to portable is convenient for feed 103 winding through accomodating stick 102, thereby easily winding displacement improves the convenient degree of taking of feeder 103.
An output antenna 4 is provided at one side of the case 1, the output antenna 4 is inserted into an output connector 302, and the output antenna 4 is in signal connection with the output connector 302. The output antenna 4 is an existing commodity, which may be an existing ceiling antenna or a sucker antenna, and a connector of the output antenna 4 is connected to the output connector 302. Therefore, the signal processor 3 in the box body 1 can output signals and then is utilized by the network terminal, and the signal processor 3 and the network terminal are favorable for signal transmission.
Based on the above embodiment, referring to fig. 2 and 3, another embodiment of the present invention is that a carrier rod 5 is placed in the box body 1, the carrier rod 5 is hollow, a signal line 501 is disposed in the carrier rod 5, a second feeder connector 502 matched with the first feeder connector 201 is disposed at the upper end of the carrier rod 5, and a third feeder connector 503 matched with the signal connector 104 is disposed at the lower end of the carrier rod 5.
Since the signal connector 104 at the head end of the feeder line 103 is a female terminal of an existing communication connector, the third feeder connector 503 and the first feeder connector 201 are both male terminals of an existing communication connector. Similarly, the second feeder terminal 502 is the same terminal as the signal terminal 104 at the head end of the feeder line 103, so as to facilitate splicing.
The two ends of the signal line 501 are respectively connected with a second feeder connector 502 and a third feeder connector 503, and the carrier rod 5 is used for communicating the feeder 103 and the receiving antenna 2. The signal transmission of the second feeder terminal 502 and the third feeder terminal 503 is ensured by the signal line 501.
Further, the receiving antenna 2 is a grid antenna, so that in order to facilitate a worker to set up and test an optimal signal detection point in the air in the field, the carrier rods 5 are multiple, two adjacent carrier rods 5 are spliced with each other, and the second feeder connector 502 and the third feeder connector 503 are matched with each other.
Wherein, carrier rod 5 can form the effect of bracing piece through the concatenation under the prerequisite that satisfies signal conduction to improve receiving antenna 2's the convenience of buildding, help improving receiving antenna 2's the regional collection point of gathering of improving receiving antenna 2 and choosing not being difficult for buildding receiving antenna 2.
Based on the above embodiment, referring to fig. 1 and 4, another embodiment of the present invention is that a power supply 6 is disposed in the box body 1, the power supply 6 is electrically connected to the signal processor 3, an integrated board 7 is disposed in the signal processor 3, and the integrated board 7 processes the signal transmitted by the receiving antenna 2. The power supply of the signal processor is ensured by a power supply 6. The integration of the functional modules is facilitated through the integration board 7, and the signal processing of the signal processor 3 is realized.
Further, as shown in fig. 5 to 9, the integrated board 7 is provided with a signal amplification module 701, a low pass filter module 702, a high pass filter module 703, a wave trap 704 and an amplification circuit 705, the input connector 301 is connected to the signal amplification module 701, the signal amplification module 701 is connected to the low pass filter module 702, the low pass filter module 702 is connected to the high pass filter module 703, the high pass filter module 703 is connected to the wave trap 704, the wave trap 704 is connected to the amplification circuit 705, and the amplification circuit 705 is connected to the output connector 302.
The amplifying module 701 adopts the existing TLC2652 high-precision amplifier, and since the TLC2652 has a high requirement on resistance, the resistance with high precision is selected as much as possible, particularly the resistance connected to the feedback loop, so that the precision of the amplifying module 701 is ensured by the resistance precision, and it is noted that the 14 th pin and the 20 th pin of the TLC2652 high-precision amplifier are connected to the empty pin part of the input connector 301 to form signal transmission protection.
The low-pass filtering module 702, the high-pass filtering module 703 and the wave trap 704 form a filtering unit, and frequency selection is performed through the filtering unit, so that transmission of low-noise signals is ensured, specifically, impedance matching is not required between input and output of the signals, and good isolation effect of the input and the output is ensured.
Referring to fig. 7 and fig. 6, the low-pass filtering module 702 and the high-pass filtering module 703 are each formed by butterworth filters, and the amplitude-frequency characteristic of the butterworth filters in the pass band is flat, i.e. the amplitude-frequency characteristic of the butterworth filters at the low end of the frequency is relatively ideal, and low-noise signals can be easily transmitted. The low-pass filtering module 702 has high input impedance and low output impedance, so as to filter out the noise interference of the high-frequency signal. The combination of the high pass filter module 703 and the low pass filter module 702 ensures that the low frequency signal is not attenuated.
Referring to fig. 8, the wave trap 704 is an existing band-stop filter, and is formed by connecting a low-pass filter module 702 and a high-pass filter module 703 in parallel, and a band-stop frequency band is formed by the wave trap 704, and power frequency interference can be suppressed by the wave trap 704 because various power frequency interference noises may be included in a low-noise signal.
The amplifying circuit 705 mainly processes the signal processed by the low-pass filtering module 702, the high-pass filtering module 703 and the wave trap 704, and although the signal amplitude is amplified to a certain extent by the preamble element, for the network terminal, the amplifying circuit 705 also needs to perform secondary amplification, and it should be noted that the amplifying circuit 705 adopts OP07 as a core amplifying element, and has the advantages of low input noise voltage amplitude and long-term stability. It should be noted that if the amplification number of the amplifying circuit 705 is not enough, a group of similar amplifying circuits may be added to the circuit to achieve high amplification.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (5)

1. The utility model provides a low noise signal receiver for network terminal, includes box body (1), place receiving antenna (2) in box body (1), be equipped with first feeder joint (201) on receiving antenna (2), its characterized in that: the box body (1) is also provided with a signal processor (3), and the signal processor (3) is provided with an input connector (301) and an output connector (302); a placing groove (101) is formed in the box body (1), a receiving rod (102) is arranged in the placing groove (101), a feeder line (103) is sleeved on the receiving rod (102), and signal connectors (104) are arranged at two ends of the feeder line (103); the input connector (301) extends into the placing groove (101) and is respectively connected with the first feeder connector (201) and the output connector (302) through the signal connector (104) to realize signal connection between the receiving antenna (2) and the signal processor (3); one side of the box body (1) is provided with an output antenna (4), the output antenna (4) is inserted into the output connector (302), and the output antenna (4) is in signal connection with the output connector (302).
2. A low noise signal receiver for a network terminal according to claim 1, wherein: the antenna is characterized in that a carrier rod (5) is placed in the box body (1), the carrier rod (5) is hollow, a signal line (501) is arranged in the carrier rod (5), a second feeder connector (502) matched with the first feeder connector (201) is arranged at the upper end of the carrier rod (5), a third feeder connector (503) matched with the signal connector (104) is arranged at the lower end of the carrier rod (5), the second feeder connector (502) and the third feeder connector (503) are respectively connected to the two ends of the signal line (501), and the carrier rod (5) is communicated with the feeder (103) and the receiving antenna (2).
3. A low noise signal receiver for a network terminal according to claim 2, wherein: the receiving antenna (2) is a grid antenna, the carrier rods (5) are multiple, two adjacent carrier rods (5) are spliced with each other, and the second feeder line connector (502) is matched with the third feeder line connector (503).
4. A low noise signal receiver for a network terminal according to claim 1, wherein: the box body (1) is internally provided with a power supply (6), the power supply (6) is electrically connected with the signal processor (3), an integrated board (7) is arranged in the signal processor (3), and the integrated board (7) processes signals transmitted by the receiving antenna (2).
5. A low noise signal receiver for a network terminal according to claim 4, wherein: install signal amplification module (701), low pass filter module (702), high pass filter module (703), trapper (704) and amplifier circuit (705) on integrated board (7), signal amplification module (701) is connected in input joint (301), low pass filter module (702) is connected in signal amplification module (701), high pass filter module (703) is connected in low pass filter module (702), trapper (704) is connected in high pass filter module (703), amplifier circuit (705) is connected in trapper (704), output joint (302) is connected in amplifier circuit (705).
CN202120044556.6U 2021-01-08 2021-01-08 Low noise signal receiver for network terminal Expired - Fee Related CN213661603U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120044556.6U CN213661603U (en) 2021-01-08 2021-01-08 Low noise signal receiver for network terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120044556.6U CN213661603U (en) 2021-01-08 2021-01-08 Low noise signal receiver for network terminal

Publications (1)

Publication Number Publication Date
CN213661603U true CN213661603U (en) 2021-07-09

Family

ID=76690792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120044556.6U Expired - Fee Related CN213661603U (en) 2021-01-08 2021-01-08 Low noise signal receiver for network terminal

Country Status (1)

Country Link
CN (1) CN213661603U (en)

Similar Documents

Publication Publication Date Title
CN201878140U (en) Low-voltage power line carrier communication module
CN213661603U (en) Low noise signal receiver for network terminal
CN211656142U (en) L-shaped radio frequency matching circuit of zigbee intelligent household wireless module based on EFR32
CN209896244U (en) Rowland C miniaturized active receiving antenna
CN209170386U (en) A kind of radio frequency component, conduction test equipment and terminal
CN209046629U (en) A kind of channel reception device based on millimeter wave
CN106209018A (en) A kind of high-power band filter of ground radar
CN111146554A (en) Bidirectional signal directional cavity coupler
CN209345167U (en) A kind of novel optical detector
CN206272571U (en) A kind of broad band low frequency amplitude limit low noise amplification device assembly
CN203503781U (en) Automatic tuning backpack shortwave loop antenna
CN212518979U (en) Wireless repeater
CN103490145B (en) A kind of helicopter empennage antenna
CN112003000A (en) GPS high-precision double-fed ceramic active antenna
CN114336073A (en) Super surface unit and super surface energy collector with same
CN103901434B (en) A kind of wireless fish deteclor
CN204089274U (en) A kind of wireless charging device
CN205945735U (en) A circuit board for launching and receive bluetooth signal
CN207798956U (en) A kind of sensor for spatial electromagnetic signal strength detection
CN101916948A (en) Blind-mating connection device in remote radio unit
CN212571332U (en) Integral type TV receiving antenna
CN216085294U (en) Miniaturized magnetic antenna
CN202067975U (en) Connector
CN205723909U (en) A kind of solar energy base station communication antenna
CN218648817U (en) Device based on wireless signal relay amplification

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210709

Termination date: 20220108

CF01 Termination of patent right due to non-payment of annual fee