CN108134987A - A kind of transceiver apparatus - Google Patents
A kind of transceiver apparatus Download PDFInfo
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- CN108134987A CN108134987A CN201711278461.5A CN201711278461A CN108134987A CN 108134987 A CN108134987 A CN 108134987A CN 201711278461 A CN201711278461 A CN 201711278461A CN 108134987 A CN108134987 A CN 108134987A
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- handle
- ptt
- module
- connectivity port
- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a kind of transceiver apparatus, newly-increased remote handle expansion module is connect with radio station ontology, audio data can be mutually transmitted with radio station ontology and transmits PTT condition change signals to radio station ontology, the connection with remote handle is realized by first handle connectivity port and second handle connectivity port and two connecting lines, there are voltage differences between two handle attachment end mouths of remote handle expansion module, when remote handle sends out low pulse signal by two connecting lines, remote handle expanding unit can obtain low pulse signal from the high handle attachment end mouth of voltage, generation PTT condition change signals give radio station ontology, radio station ontology is changed the signal transmission direction of itself and remote handle expanding unit according to the PTT condition change signals, realize the data transmission of radio station ontology and remote handle.Increase with the transmission range of radio station ontology can be realized by transmission line by remote handle of the present invention, realize the remote transmission of handle and radio station ontology.
Description
Technical field
The present invention relates to radio station technique field more particularly to a kind of transceiver apparatus.
Background technology
Common short-wave radio set, ultrashort wave radio set are common communication equipments, have in industries such as army, public security, fire-fightings and largely should
With ordinary individual radio amateur also largely uses radio station.At present, usually, when in use, user is in radio station in radio station
Side is conversed by the handle and partner of station configuration.The handle in the radio station is to be connected to radio station by spring wire
On, line length is usually no more than 1 meter.
The connection of existing radio station and talking handle is as shown in Figure 1, generally there is five single datas between radio station and talking handle
Transmission line, this five transmission lines are each responsible for different functions, which is integrated in finite length in practice
It is used in spring wire.
But under certain application scenarios, radio station user of service is needed far from radio station；Such as：Because of the reason of poor signal,
Radio station is needed to perch or specific position, but together with radio station operator possibly can not treat with radio station at this time.In another example
Radio station is transmitting equipment, and easily the exposure position by radio-positioning, incurs enemy's bombing, at this time for the sake of security, radio station
Operator needs to carry out telephone operation far from radio station.
But existing spring wire connect due to, between radio station and talking handle can only short range transmission, to electricity
The use of platform produces limitation, so in the prior art, shortage is a kind of each other can be with the radio station of telecommunication and talking handle.
Invention content
A kind of transceiver apparatus provided in an embodiment of the present invention, mainly solving the technical problems that in the prior art due to call
Talking handle and the speech range in radio station are limited caused by the spring wire transmission information integrated between handle and radio station by five lines.
In order to solve the above technical problems, the present invention provides a kind of transceiver apparatus, which includes：Radio station ontology, far
Journey handle expanding unit and remote handle；
Remote handle expanding unit includes the ground terminal of ground connection and is connected with external power source power supply receiving terminal, connects with radio station
The signal input part, signal output end, power supply receiving terminal, ground terminal and the PTT signal transmissions end that connect and with voltage difference
First handle connectivity port and second handle connectivity port；
Remote handle includes the first connectivity port being connect by a connecting line with first handle connectivity port, by one
Second connection end mouth that root connecting line is connect with second handle connectivity port and with the first connectivity port and second connection end mouth
The control module of connection, control module is used for when being triggered by user, to the first connectivity port and second connection end port transmission PTT
State changes application signal, and it is low pulse signal that PTT states, which change application signal,；
Remote handle expanding unit be used for when from first handle connectivity port and second handle connectivity port voltage compared with
When PTT states change application signal is received on high port, PTT condition change signals are generated, PTT condition change signals are led to
It crosses PTT signal transmissions end and is transferred to radio station ontology and for that will connect from signal input part received signal by first handle
It connects port and second handle connectivity port and is transferred to remote handle, it will be from first handle connectivity port and second handle connectivity port
Received signal is transferred to radio station ontology by signal output end；
Radio station ontology is used for after PTT condition change signals are received, to the signal of itself and remote handle expanding unit
Transmission direction is changed.
Optionally, remote handle expanding unit is additionally operable to after PTT condition change signals are generated, and is changed according to PTT states
Signal overturns the polarity of voltage of first handle connectivity port and second handle connectivity port；
Remote handle is additionally operable to after the polarity of voltage of the first connectivity port and second connection end mouth is overturn, and prompts to use
Family PTT states change.
Optionally, remote handle expanding unit be additionally operable to by first handle connectivity port and second handle connectivity port to
Remote handle presents the electric current of fixed current value；
Remote handle is additionally operable to use for itself from the first connectivity port and second connection end mouth extraction power supply.
Optionally, remote handle expanding unit includes signal input module, signal output module, PTT authorization modules, PTT
Apply for detection module and power feeding module；
The input terminal of signal input module is signal input part, and the output terminal of signal output module is signal output end；PTT
The output terminal for applying for detection module is PTT signal transmissions end；
PTT authorization modules include first handle connectivity port and second handle connectivity port and the first internal interface, the
Two internal interfaces and PTT signaling interfaces；First handle connectivity port and one in the first internal interface and the second internal interface
Interface connects, and second handle connectivity port is connect with another interface；
Two output terminals of signal input module connect with the first internal interface of PTT authorization modules and the second internal interface
It connects；
Two input terminals of signal output module connect with the first internal interface of PTT authorization modules and the second internal interface
It connects；
Power feeding module is located at after PTT authorization modules and before signal input module and signal output module, with first
Internal interface and the connection of the second internal interface, for presenting the electricity of fixed current value to the first internal interface and the second internal interface
The voltage of the first internal interface of stream and control is higher than the voltage of the second internal interface；
PTT applies for detection module between PTT authorization modules and power feeding module, and PTT applies for the input terminal of detection module
It is connect with the first internal interface, PTT signal transmissions end is connect with PTT signaling interfaces, and PTT applies detection module inside first
When interface is to PTT states change application signal, PTT condition change signals are generated, PTT condition change signals are passed through into PTT
Signal transmission end is transferred to radio station ontology and PTT authorization modules；
PTT authorization modules are used for after PTT signaling interfaces receive PTT condition change signals, inside switching current first
Connection relation between interface and the second internal interface, with first handle connectivity port and second handle connectivity port.
Optionally, PTT authorization modules include and the first internal interface and the second internal interface and first handle connecting pin
The two control selections modules selected two circuits and control two to select two circuits that mouth is connected with second handle connectivity port, PTT signals
One input port of interface selecting module in order to control, control selections module from PTT signal ports for receiving PTT states
When changing signal, control two selects two circuits to switch current first internal interface and the second internal interface, with first handle connecting pin
Connection relation between mouth and second handle connectivity port.
Optionally, power feeding module includes：Connect with the first internal interface first feed submodule and with second inside connect
Second feed submodule of mouth connection；
First feed submodule and the second feed submodule are symmetrically arranged constant-current source circuits, the first feed submodule with
Power supply receiving terminal connects, and the second feed submodule is connected with ground terminal.
Optionally, remote handle further includes：Microphone input module and loud speaker output module；
The output terminal of microphone input module is connect with the first connectivity port and second connection end mouth；Loud speaker output module
Input terminal connect with the first connectivity port and second connection end mouth；
Control module is is arranged on after the first connectivity port and second connection end mouth, microphone input module and loud speaker
Switch before output module.
Optionally, remote handle further includes：Reminding module；Reminding module includes the resistance and give out light two that one end is connected with each other
Pole pipe, the other end of light emitting diode are connect with a port in the first connectivity port and second connection end mouth, resistance it is another
One end is connect with another port.
Optionally, remote handle further includes：Electricity-fetching module, electricity-fetching module and the first connectivity port and second connection end mouth connect
It connects, including the power output end being connect with microphone input module and loud speaker output module, electricity-fetching module is used to connect from first
The power supply of port and second connection end mouth extraction polarity stabilization is connect, power supply is output to microphone input mould by power output end
Block and loud speaker output module.
Optionally, electricity-fetching module includes the bridge rectifier module being connected with each other and switch power module, bridge rectifier module
It is connect respectively with the first connectivity port and second connection end mouth, the output terminal of switch power module is power output end.
Advantageous effect：
Based on a kind of transceiver apparatus disclosed by the invention, newly-increased remote handle expansion module is connect with radio station ontology, can
Mutually to transmit audio data with radio station ontology and transmit PTT condition change signals to radio station ontology, connected by first handle
It connects port and second handle connectivity port and two connecting line are realized and the connection of remote handle, remote handle expansion module
There are voltage difference between two handle attachment end mouths, when remote handle sends out low pulse signal by two connecting lines, remotely
Handle expanding unit can obtain low pulse signal from the high handle attachment end mouth of voltage, generation PTT (Push To Talk,
One by logical) condition change signal gives radio station ontology, and radio station ontology expands itself and remote handle according to the PTT condition change signals
The signal transmission direction of extending apparatus is changed, and so as to fulfill the switching of handle and the data transfer direction of radio station ontology, is realized
The data transmission of radio station ontology and remote handle.By the present invention, remote handle can be realized and radio station ontology by transmission line
Transmission range increase, realize the remote transmission of handle and radio station ontology.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the invention will be further described, in attached drawing：
Fig. 1 is radio station in the prior art and the connection diagram of user's handle；
Fig. 2 is the structure diagram of a kind of transceiver apparatus that the embodiment of the present invention provides；
Fig. 3 is the structure diagram of a kind of remote handle expanding unit that the embodiment of the present invention provides；
Fig. 4 is the structure diagram of a kind of remote handle that the embodiment of the present invention provides.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below by specific embodiment knot
Attached drawing is closed to be described in further detail the embodiment of the present invention.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
Embodiment：
What the present invention was limited to solve the distance between the telephone handle of transceiver apparatus and radio station ontology in the prior art
Problem improves existing transceiver apparatus, is additionally arranged remote handle expansion module as radio station ontology and remote handle
Information transmission modular converter between (telephone handle), can be only by double between the remote handle expansion module and remote handle
The transmission line connection of line, considerably increases the transmission range between remote handle and radio station ontology, realizes radio station ontology as a result,
With the long-range connection of remote handle.
As shown in Fig. 2, transceiver apparatus provided in this embodiment includes：Radio station ontology 21,22 He of remote handle expanding unit
Remote handle 23；
Remote handle expanding unit 22 includes the signal input part 221, signal output end 222, the PTT signals that are connect with radio station
Transmission end 223, be connected with external power source power supply receiving terminal 224, ground connection ground terminal 225 and, further include with voltage difference
First handle connectivity port 226 and second handle connectivity port 227；
Remote handle 23 includes the first connection being connect by a connecting line Line-A with first handle connectivity port 226
Port 231, the second connection end mouth 232, Yi Jiyu being connect by a connecting line Line-B with second handle connectivity port 227
The control module 233 that first connectivity port 231 and second connection end mouth 232 connect, control module 233 are used for when being triggered,
PTT states are transmitted to the first connectivity port 231 and second connection end mouth 232 and change application signal, and PTT states change application signal
For low pulse signal；
Remote handle expanding unit 22 is used to work as from first handle connectivity port 226 and second handle connectivity port 227
When PTT states change application signal is received on the higher port of middle voltage, PTT condition change signals are generated, PTT states are changed
Varying signal is transferred to radio station ontology 21 by PTT signal transmissions end 223；And the letter for will be received from signal input part 221
Number remote handle 23 is transferred to by first handle connectivity port 226 and second handle connectivity port 227 and will be from first-hand
Handle connectivity port 226 and 227 received signal of second handle connectivity port are transferred to radio station ontology by signal output end 222
21；
Radio station ontology 21 is used for after PTT condition change signals are received, to itself and remote handle expanding unit 22
Signal transmission direction is changed.In one example, the ground terminal of remote handle expanding unit can be and radio station ontology
Ground terminal connects, and external power supply can be radio station ontology.
Wherein it is possible to it is intended that in the present embodiment, remote handle can be also used for acquiring voice input by user,
The signal of acquisition is transferred to remote handle expansion module 22 by the first connecting interface 231 and the second connecting interface 232；And
It will be played from the voice signal that the first connecting interface 231 and the second connecting interface 232 receive by the loud speaker of remote handle 23
To user.
In above-mentioned scheme, increase remote handle expanding unit 22 and connected as by five lines of handle in the prior art
The module of the two lines connection of handle is converted to, realizes the telecommunication of handle.In the present embodiment, in two handle attachment end mouths
Two connecting lines used between the first connecting interface and the second connecting interface on remote handle can be common 2 core electricity
The common covered wire of cable or army, the present embodiment do not limit this.Data transmission between radio station ontology and remote handle is adopted
With differential transfer, the antijamming capability of signal transmission is enhanced.
The working method of transceiver apparatus is semiduplex working method in practice, so in above-mentioned scheme, it is same
Moment, between radio station and handle can only unidirectional data transmission, there are two types of above-mentioned PTT states, (long-range including PTT licensing status
Handle transmits data to radio station, i.e. radio station operator says) and non-PTT licensing status (data are transmitted in radio station to remote handle, i.e.,
Radio station operator listens).In above-mentioned scheme, the communication of remote handle and radio station ontology is realized, but for PTT states
Switching, if number is excessive, radio station operator can may not know that current PTT states are yet, so as to not know that oneself is
It is no to transmit data to radio station.So further, in the present embodiment, remote handle expanding unit 22 is additionally operable to producing
After raw PTT condition change signals, according to PTT condition change signals to first handle connectivity port 226 and second handle connecting pin
The polarity of voltage of mouth 227 is overturn；Remote handle is additionally operable to the electricity in the first connectivity port 231 and second connection end mouth 232
After pressure polarity is overturn, user's PTT states is prompted to change.In one example, two kinds of PTT states on remote handle
It can be indicated with the bright of display lamp or secretly.
In above-mentioned example, remote handle expanding unit 22 have can change two handle attachment end mouths 226 and 227
Polarity of voltage function, correspondingly, the electricity of port 231 and 232 being connect on remote handle 23 with two handle attachment end mouths
Pressure polarity can also change.
The realization method that there are many power supplies of remote handle 23, such as battery can be installed in remote handle, but examine
Consider the problem of easy to carry and battery capacity is limited, in the present embodiment, the power supply of remote handle preferentially uses long-range hand
The mode of handle expanding unit power supply.
In one example, remote handle expanding unit 22 is additionally operable to through first handle connectivity port 226 and second-hand
The constant current of fixed current value is presented to remote handle 23 in handle connectivity port 227；Remote handle 23 is additionally operable to from the first connecting pin
Mouth 231 and second connection end mouth 232 extract power supply and are used for itself.
The structure of the remote handle expanding unit 22 in the present embodiment is illustrated with reference to Fig. 3, such as Fig. 3 institutes
Show, remote handle expanding unit 22 includes signal input module, signal output module, PTT authorization modules, PTT application detection moulds
Block and power feeding module；
The input terminal of signal input module is signal input part 221, and the output terminal of signal output module is signal output end
222；The output terminal of PTT application detection modules is PTT signal transmissions end 223；PTT authorization modules include first handle connectivity port
226 and 227 and first internal interface 228 of second handle connectivity port, the second internal interface 229 and PTT signaling interfaces
2210；First handle connectivity port 226 is connect with an interface in the first internal interface 228 and the second internal interface 229, the
Two handle connectivity ports 227 are connect with another interface；
Two output terminals of signal input module and the first internal interface 228 of PTT authorization modules and the second internal interface
229 connections；
Two input terminals of signal output module and the first internal interface 228 of PTT authorization modules and the second internal interface
229 connections；
Power feeding module is located at after PTT authorization modules and before signal input module and signal output module, with first
228 and second internal interface 229 of internal interface connects, for being fixed to the first internal interface 228 and the feedback of the second internal interface 229
The voltage of the first internal interface 228 of electric current and control of current value is higher than the voltage of the second internal interface 229；
PTT applies for detection module between PTT authorization modules and power feeding module, and PTT applies for the input terminal of detection module
It is connect with the first internal interface 228, PTT signal transmissions end 223 connect (not shown), PTT Shens with PTT signaling interfaces 2210
Please detection module from the first internal interface 228 receive PTT states change application signal when, generate PTT condition change signals,
PTT condition change signals are transferred to 21 (not shown) of radio station ontology by PTT signal transmissions end 223 and PTT authorizes mould
Block；
PTT authorization modules are used for after PTT signaling interfaces 2210 receive PTT condition change signals, switching current first
228 and second internal interface 229 of internal interface, between first handle connectivity port 226 and second handle connectivity port 227
Connection relation.
In figure 3, the power end VCC of all modules with 224 direct or indirect connection of power supply receiving terminal in Fig. 2
(being not shown in Fig. 3), the port that all module needs are grounded connect and (are not shown in Fig. 3) with the ground terminal 225 in Fig. 2.
As shown in figure 3, signal input module and signal output module have respectively included input amplifier and output amplifier,
It can be used for the audio signal for sending radio station and the audio signal in radio station will be sent to being amplified processing.Input amplifier
It is completed with the structure of output amplifier using existing amplifier architecture, the present embodiment is repeated no more secondary.
In the present embodiment, the voltage of the first internal interface 228 is higher than the voltage of the second internal interface 229, in order to enable
Remote handle side can perceive change application such as the PTT authorized applications of PTT states and pass through, and employ PTT authorization modules in PTT states
Change after applying for that signal is handled, by overturning the voltage of first handle connectivity port 226 and second handle connectivity port 227,
So that remote handle 23 (being not shown in Fig. 3) can prompt the PTT states after user's change according to the overturning of voltage.In this example
In, PTT authorization modules including one two select two circuits and this are controlled two to select the control selections module of two circuits (such as Fig. 3 institutes
Show), this two selects two circuits and the first above-mentioned internal interface 228 and the second internal interface 229 and first handle connectivity port
226 and second handle connectivity port 227 connect, an input port of the selecting module in order to control of PTT signaling interfaces 2210, control
Selecting module is used for when receiving PTT condition change signals from PTT signaling interfaces, and control two selects two circuits to switch current first
228 and second internal interface 229 of internal interface, between first handle connectivity port 226 and second handle connectivity port 227
Connection relation for example, if current connection relation is the first internal interface is connected with first handle connectivity port, connects inside second
Mouth is connected with second handle connectivity port, then after two select two circuits to switch, connection relation becomes the first internal interface and second
Handle attachment end mouth connects, and the second internal interface is connected with first handle connectivity port.
Further, as shown in figure 3, two in the present embodiment select the switch that two circuits can be a double-pole double throw, and
It can be relay LS1 as shown in Figure 3 to select control circuit.And PTT applications detection module can include the inspection being connected with each other
Slowdown monitoring circuit U1D and flip-flop circuit, detection circuit U1D receive low pulse from the first internal interface 228, low pulse are carried out whole
Shape is sent to trigger, and trigger overturning is primary, and the level of output is as PTT condition change signals, when the level of output is high electricity
Flat, relay LS1 is attracted, and two select two circuits to switch current first internal interface and the second internal interface, are connect with first handle
The voltage of connection relation between port and second handle connectivity port, first handle connectivity port and second handle connectivity port
Polarity changes.
The overturning of this polarity of voltage will be detected that remote handle can determine PTT states according to polarity of voltage by remote handle,
Know when radio station operator can start to talk.When trigger control module exports low pulse again on remote handle
After PTT states change application signal, once inside out will occur again for the trigger D2 in PTT application detection modules, export low level,
Relay discharges, and two select two circuits to switch again, and remote handle loses PTT permissions.
In practice, feed circuit include connect with the first internal interface 228 first feed submodule and with second in
The second feed submodule that portion's interface 229 connects；First feed submodule and the second feed submodule are symmetrically arranged constant currents
Source circuit, the first feed submodule are connect with power supply receiving terminal, and the second feed submodule is connected with ground terminal.
In one example, feed circuit presents the constant current of 20mA to A, B circuits.Constant-current feeding is used in the present embodiment
Advantage is safety, and outside line short circuit will not cause to damage.And because of the internal resistance approach infinity of constant-current source circuit, to signal
Do not decay, and two feed sub-circuits are full symmetric, have good inhibiting effect to common mode interference.
With reference to Fig. 4, the structure of the remote handle 23 of the present embodiment is illustrated, remote handle further includes：Mike
Wind input module and loud speaker output module；
The output terminal of microphone input module is connect with the first connectivity port 231 and second connection end mouth 232；Loud speaker is defeated
The input terminal for going out module is connect with the first connectivity port 231 and second connection end mouth 232；Control module is is arranged on the first connection
After port 231 and second connection end mouth 232, the switch before microphone input module and loud speaker output module is (in Fig. 4
SW1).When switch SW1 is pressed, in the first connectivity port (being connect with connecting line Line_A) and second connection end mouth (with connecting
Wiring Line-B connections) on generate a low pulse, the low pulse as PTT states change application signal by Line_A with
Line-B is transferred to first handle connectivity port and second handle connectivity port (being not shown in Fig. 4).Change in PTT states and apply
Signal by when, that is, when allowing the PTT states to change, the polarity of voltage on first handle connectivity port and second handle connectivity port
It switches, 232 polarity of voltage can also change on the first connectivity port 231 and second connection end mouth, which can be with
It is indicated by light emitting diode.
Further, remote handle as shown in Figure 4 further includes：Reminding module；Reminding module includes what one end was connected with each other
Resistance (R1 in Fig. 4) and diode of giving out light (D2 in Fig. 4), the other end of light emitting diode and the first connectivity port and second
A port connection in connectivity port, the other end of resistance are connect with another port.Light emitting diode turn on/off state with
The correspondence that PTT is authorized and non-PTT is authorized is related with the setting direction of light emitting diode.Assuming that in the present embodiment, remotely
Handle is in when listening state, and first handle connectivity port is higher than the voltage of second handle connectivity port, then remote handle listens state
When, Line_A is higher than the voltage of Line-B, and user presses the SW1 in Fig. 4, and radio station allows to talk, then first handle connectivity port
It is switched with the polarity of voltage of second handle connectivity port, correspondingly polarity of voltages of the Line_A than Line_B is also switched, such as
The light emitting diode shown in Fig. 4 is lit, and prompts radio station operator that can talk by remote handle.In another example
In, if remote handle is in when listening state, first handle connectivity port is lower than the voltage of second handle connectivity port, when listening state
Light emitting diode be lit, if light emitting diode extinguish, prompt radio station operator that can talk by remote handle.
Further, remote handle further includes：Electricity-fetching module, electricity-fetching module are connect with the first connectivity port 231 and second
Port 232 connects, including the power output end VCC being connect with microphone input module and loud speaker output module, electricity-fetching module
For extracting the power supply of polarity stabilization from the first connectivity port 231 and second connection end mouth 232, power supply is passed through into power output end
VCC is output to microphone input module and loud speaker output module.
Power-supply circuit completion takes the function of electricity from A, B line, it is contemplated that the polarity of voltage on A, B line is uncertain
, so power-supply circuit needs first to obtain the power supply of polarity of voltage stabilization, in one example as shown in figure 4, electricity-fetching module packet
Include the bridge rectifier module D1 of interconnection and switch power module U1, bridge rectifier module and the first connectivity port 231 and the
Two connectivity ports 232 connect respectively, and the output terminal of switch power module is power output end VCC.From 231 He of the first connectivity port
The electric current that second connection end mouth 232 flows into first passes through bridge rectifier module D1, obtains signal V_LINE and GND that polarity determines
(ground connection) signal.Then by switch power module U1, stable power supply VCC (generally 3.3V) is obtained.
In practice, the loud speaker being connect with the output terminal of loud speaker output module is further included on remote handle (in Fig. 4 not
Show) and the microphone that is connect with the input terminal of microphone input module.
In another example, it in order to avoid user's word oneself can be heard, in microphone input module and raises one's voice
One input and output combining module can also be set between device output module and reminding module, and input and output combining module is with using
The input module at family two output terminals connection, connect with two input terminals of loud speaker output module, also with the first connecting pin
Mouth is connected with second connection end mouth, for when microphone input module inputs user speech, shielding user speech to loud speaker
The circuit of output module transmission.
Using the transceiver apparatus shown in the present embodiment, it is ensured that remote handle and the communication distance in radio station are more than 1km, greatly
The big communication distance for increasing radio station and handle.Further, power feeding module can be not only remote handle remote power feeding, avoid
The problem of limited using the inconvenient to carry and electricity of battery, the feed submodule power supply safety of two constant-current sources are symmetrical arranged
Reduction common mode interference is also helped, ensures the transmission quality of signal.
The above content is the further descriptions made with reference to specific embodiment to the embodiment of the present invention, it is impossible to recognize
The specific implementation of the fixed present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs,
Without departing from the inventive concept of the premise, several simple deduction or replace can also be made, should all be considered as belonging to the present invention
Protection domain.
Claims (10)
1. a kind of transceiver apparatus, which is characterized in that including：Radio station ontology, remote handle expanding unit and remote handle；
The remote handle expanding unit includes the ground terminal of ground connection and is connected with external power source power supply receiving terminal, with the electricity
Signal input part, signal output end, power supply receiving terminal, ground terminal and the PTT signal transmissions end and have that playscript with stage directions body connects
The first handle connectivity port of voltage difference and second handle connectivity port；
The remote handle includes the first connectivity port being connect by a connecting line with the first handle connectivity port, leads to
Cross second connection end mouth that a connecting line connect with the second handle connectivity port and with first connectivity port and
The control module of the second connection end mouth connection, the control module are used for when being triggered by user, to the described first connection
Port and second connection end port transmission PTT states change application signal, and the PTT states change application signal and believe for low pulse
Number；
The remote handle expanding unit is used for when electric from the first handle connectivity port and second handle connectivity port
When the PTT states change application signal is received on the higher port of pressure, PTT condition change signals are generated, by the PTT shapes
State changes signal and is transferred to the radio station ontology and by the PTT signal transmissions end for will be from the signal input part
Received signal is transferred to the remote handle by the first handle connectivity port and second handle connectivity port, by described in
Institute is transferred to by the signal output end from the first handle connectivity port and second handle connectivity port received signal
State radio station ontology；
The radio station ontology is used for after the PTT condition change signals are received, to itself and remote handle extension dress
The signal transmission direction put is changed.
2. transceiver apparatus as described in claim 1, which is characterized in that the remote handle expanding unit is additionally operable to generating
After PTT condition change signals, according to the PTT condition change signals to the first handle connectivity port and the second handle
The polarity of voltage of connectivity port is overturn；
The remote handle is additionally operable to after the polarity of voltage of first connectivity port and second connection end mouth is overturn, and is carried
Show that user's PTT states change.
3. transceiver apparatus as claimed in claim 2, which is characterized in that the remote handle expanding unit is additionally operable to by described
First handle connectivity port and second handle connectivity port present the electric current of fixed current value to the remote handle；
The remote handle is additionally operable to use for itself from first connectivity port and second connection end mouth extraction power supply.
4. transceiver apparatus as claimed in claim 3, which is characterized in that the remote handle expanding unit includes signal and inputs mould
Block, signal output module, PTT authorization modules, PTT application detection modules and power feeding module；
The input terminal of the signal input module is the signal input part, and the output terminal of the signal output module is the letter
Number output terminal；The output terminal of the PTT applications detection module is the PTT signal transmissions end；
The PTT authorization modules are included in the first handle connectivity port and the second handle connectivity port and first
Portion's interface, the second internal interface and PTT signaling interfaces；The first handle connectivity port and first internal interface and second
Interface connection in internal interface, the second handle connectivity port is connect with another interface；
Inside two output terminals of the signal input module and first internal interface and second of the PTT authorization modules
Interface connects；
Inside two input terminals of the signal output module and first internal interface and second of the PTT authorization modules
Interface connects；
The power feeding module be located at after the PTT authorization modules and the signal input module and signal output module it
Before, it is connect with first internal interface and the second internal interface, for the inside of first internal interface and described second
The voltage of electric current and control first internal interface that interface presents the fixed current value is higher than second internal interface
Voltage；
The PTT applies for detection module between the PTT authorization modules and the power feeding module, the PTT applications detection
The input terminal of module is connect with first internal interface, and the PTT signal transmissions end is connect with the PTT signaling interfaces, institute
PTT application detection modules are stated when receiving the PTT states change application signal from first internal interface, described in generation
The PTT condition change signals are transferred to the radio station ontology by PTT condition change signals by the PTT signal transmissions end
With the PTT authorization modules；
The PTT authorization modules are used for after the PTT signaling interfaces receive the PTT condition change signals, and switching is current
Connection between first internal interface and the second internal interface, with first handle connectivity port and second handle connectivity port
Relationship.
5. transceiver apparatus as claimed in claim 4, which is characterized in that the PTT authorization modules include with described first inside
What interface and the second internal interface and the first handle connectivity port were connected with second handle connectivity port two selects two circuits,
And the control selections module of two circuits is selected in control described two, the PTT signaling interfaces are one of the control selections module
Input port, the control selections module are used for when receiving the PTT condition change signals from the PTT signal ports,
Control described two two circuits is selected to switch presently described first internal interface and the second internal interface, with first handle connectivity port and
Connection relation between second handle connectivity port.
6. transceiver apparatus as claimed in claim 4, which is characterized in that the power feeding module includes：With described first inside connect
First feed submodule of mouth connection and the second feed submodule being connect with second internal interface；
The first feed submodule and the second feed submodule are symmetrically arranged constant-current source circuits, first feed
Submodule is connect with the power supply receiving terminal, and the second feed submodule is connected with the ground terminal.
7. such as claim 3-6 any one of them transceiver apparatus, which is characterized in that the remote handle further includes：Microphone
Input module and loud speaker output module；
The output terminal of the microphone input module is connect with first connectivity port and second connection end mouth；The loud speaker
The input terminal of output module is connect with first connectivity port and second connection end mouth；
The control module is is arranged on after first connectivity port and second connection end mouth, the microphone input module
With the switch before loud speaker output module.
8. transceiver apparatus as claimed in claim 7, which is characterized in that the remote handle further includes：Reminding module；It is described to carry
Show that module includes one end resistance being connected with each other and diode of giving out light, the other end of the light emitting diode is connect with described first
Port is connected with a port in second connection end mouth, and the other end of the resistance is connect with another port.
9. transceiver apparatus as claimed in claim 7, which is characterized in that the remote handle further includes：Electricity-fetching module, it is described to take
Electric module is connect with first connectivity port and second connection end mouth, including with the microphone input module and described raising one's voice
The power output end of device output module connection, the electricity-fetching module are used for from first connectivity port and the second connection end
The power supply that mouth extraction polarity is stablized, the microphone input module and institute are output to by the power supply by the power output end
State loud speaker output module.
10. transceiver apparatus as claimed in claim 9, which is characterized in that it is whole that the electricity-fetching module includes the bridge-type being connected with each other
Flow module and switch power module, the bridge rectifier module are distinguished with first connectivity port and the second connection end mouth
Connection, the output terminal of the switch power module is the power output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278461.5A CN108134987A (en) | 2017-12-06 | 2017-12-06 | A kind of transceiver apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278461.5A CN108134987A (en) | 2017-12-06 | 2017-12-06 | A kind of transceiver apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN108134987A true CN108134987A (en) | 2018-06-08 |
Family
ID=62389093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278461.5A Pending CN108134987A (en) | 2017-12-06 | 2017-12-06 | A kind of transceiver apparatus |
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| CN (1) | CN108134987A (en) |
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| CN109274390A (en) * | 2018-11-16 | 2019-01-25 | 深圳震有科技股份有限公司 | A kind of radio station's docking system and method |
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