CN207968475U - A kind of THDS wireless datas receiving instrument - Google Patents
A kind of THDS wireless datas receiving instrument Download PDFInfo
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- CN207968475U CN207968475U CN201820411102.6U CN201820411102U CN207968475U CN 207968475 U CN207968475 U CN 207968475U CN 201820411102 U CN201820411102 U CN 201820411102U CN 207968475 U CN207968475 U CN 207968475U
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Abstract
The utility model is related to data communication equipment technical field, especially a kind of THDS wireless datas receiving instrument.It includes power regulator module, audio data receipt module for receiving the double-audio signal that radio data set is sent out, for carrying out the audio signal amplification module that signal amplification is monitored for inspection maintenance personnel to the double-audio signal received by audio data receipt module, it is externally exported to the data outputting module of host computer for being decoded the audio signal decoding module to convert analog signals into digital signal and the digital signal for exporting audio signal decoding module to the double-audio signal received by audio data receipt module.The utility model provides two different data receivers and judgment method in the way of man-computer cooperation as inspection maintenance personnel, greatly improve the accuracy of the detection to the operating status of radio data set and diagnosis, reduce the possibility of scene reinspection, be conducive to save a large amount of manpower and materials, with good economic efficiency and social benefit.
Description
Technical field
The utility model is related to data communication equipment technical field, especially a kind of THDS wireless datas receiving instrument.
Background technology
Vehicle axle temperature intelligent detecting system (abbreviation THDS) is a kind of temperature detection device on the in-orbit side of installation, utilizes spoke
The train bearing temperature that thermometry is detected in real time under operating status is penetrated to protect to find vehicle bearing potential faults in time
Demonstrate,prove safety of railway traffic.Under normal conditions, a set of THDS systems can configure a radio data set (i.e.：Wireless data transmission
Machine), to send the detection data of THDS systems to host computer or monitor supervision platform using radio data set；And it is directed to wireless data sending
The detection and judgement of the working condition of machine itself, at present inspection maintenance personal can only be in customary inspection operation when institute's employing mode
The double-audio signal data of radio data set transmission are received by intercom, simply judge radio data set by rule of thumb
Whether data transmission is normal, can not further differentiate whether the information that audio signal is conveyed is accurate；Meanwhile it being safeguarded in view of inspection
The difference of the level of skill of personnel itself, will also tend to that there are what not found in time after exception occurred in radio data set to ask
Topic, inspection maintenance personnel are periodically required to scene recheck, and have not only buried great safety for transporting safely for railway
Hidden danger, and a large amount of manpower and materials can be wasted.
Utility model content
In view of the deficiency of the prior art, the purpose of this utility model is to provide a kind of THDS wireless datas to connect
Receive instrument.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of THDS wireless datas receiving instrument, it includes the sound for receiving the double-audio signal that radio data set is sent out
Frequency data reception module amplifies for carrying out signal to the double-audio signal received by audio data receipt module for inspection
Audio signal amplification module that maintenance personnel is monitored, for the double-audio signal received by audio data receipt module
It is decoded to convert analog signals into the audio signal decoding module of digital signal, for audio signal decoding module is defeated
The digital signal gone out is externally exported to the data outputting module of host computer and respectively to audio data receipt module, audio signal
The power regulator module that amplification module, audio signal decoding module and data outputting module are powered；
The signal input part of the audio signal amplification module and the signal input part of audio signal decoding module respectively with
The signal output end of audio data receipt module is connected, and the signal of the data outputting module and audio signal decoding module exports
End be connected, the power regulator module respectively with audio data receipt module, audio signal amplification module, audio signal decoding mould
Block is connected with data outputting module.
Preferably, the audio data receipt module includes a digital walkie-talkie chip, one and digital walkie-talkie chip
The connected radio-frequency antenna of radio frequency input/output pin, at least one output end and digital intercom for being serially connected with power regulator module
The connected status indicator lamp of the module reiving/transmitting state pin of movement piece；The signal input part of the audio signal amplification module connects
In the audio output pin of digital walkie-talkie chip, it is right that the signal input pin of the audio signal decoding module is connected to number
Say the serial data transmitting-receiving pin of movement piece.
Preferably, the digital walkie-talkie chip is a DMR818 type digital walkie-talkie modules.
Preferably, the audio signal amplification module include one 8002 type audio frequency power amplifier chips and one with audio frequency power amplifier core
The connected loud speaker of two analog signal outputs of piece, the inverting analog input terminal of the audio frequency power amplifier chip and one of them
Analog signal output is connected with the signal output end of audio data receipt module simultaneously, positive analog input end is grounded.
Preferably, the audio signal decoding module includes sequentially being connected to the signal output of audio data receipt module
The switched capacitor modem at end, the first single supply level translator and the second single supply level translator, the data are defeated
It includes the USB connector being connected with the second single supply level translator by a USB conversion chips to go out module.
Preferably, the switched capacitor modem includes a TCM3105 type modem chips, described first single electricity
Source level converter and/or the second single supply level translator include the double group driving/reception chips of a MAX232 types.
Preferably, the power regulator module includes a LM1575T-ADJ type switching power supply regulators.
As the above scheme is adopted, the utility model passes through the host computers such as data outputting module and laptop
After being attached, inspection maintenance personnel not only can be using the audio signal that audio signal amplification module is exported come artificial judgment
The operating status of radio data set, and can utilize host computer received by relevant data signals and host computer to corresponding
The analysis result of data grasps the operating status of radio data set, even THDS systems；It is in a manner of man-computer cooperation
Inspection maintenance personnel provides two different data receivers and judgment method, greatly improves the operation to radio data set
The accuracy of detection and the diagnosis of state reduces the possibility of scene reinspection, is conducive to save a large amount of manpower and materials, have
Very strong economic value and social value.
Description of the drawings
Fig. 1 is the system control principle block diagram of the utility model embodiment；
Fig. 2 is the circuit structure reference view of the audio data receipt module of the utility model embodiment；
Fig. 3 is the circuit structure reference view of the audio signal amplification module of the utility model embodiment；
Fig. 4 is the circuit structure reference view of the audio signal decoding module of the utility model embodiment；
Fig. 5 is the circuit structure reference view of the data outputting module of the utility model embodiment；
Fig. 6 is the circuit structure reference view of the power regulator module of the utility model embodiment.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in Figure 1, a kind of THDS wireless datas receiving instrument provided in this embodiment, it includes：
One audio data receipt module a is mainly used for receiving the double-audio signal that radio data set A is sent out；
One audio signal amplification module b, signal input part are connected with the signal output end of audio data receipt module a,
It is mainly used for carrying out signal amplification to the double-audio signal received by audio data receipt module a, so as to inspection maintenance personnel
The audio signal exported by monitoring audio amplification signal module b directly, intuitively judges wireless data sending with technical ability experience
Machine A whether there is exception, whether in operating statuses such as normal works；
One audio signal decoding module c, signal input part are connected with the signal output end of audio data receipt module a,
It is mainly used for being decoded to convert analog signals into number the double-audio signal received by audio data receipt module a
Signal simultaneously extracts corresponding digital signal；
One data outputting module d, is connected to the signal output end of audio signal decoding module c, is mainly used for audio
Signal decoder module c is extracted and the digital signal exported is exported to such as laptop, commonly in a manner of serial communication
On the host computers such as PC B, Technical analysis diagnosis is carried out with the audio signal sent out to radio data set A using host computer B, from
And for the judgement of the operating status to radio data set A provide more fully, more accurate and more intuitively approach；Wherein,
The analysis situation of data-signal can such as be examined intuitively to show by the implantation corresponding software program in host computer B and foundation
Date, speed, vehicle, environment temperature, vehicle number, plate temperature (or axle box temperature), wheelbase, axle temperature etc. abundant information are surveyed, is realized
The detection of the information of THDS systems is shown to synchronize realization by the detection of the operating status to radio data set A；
One power regulator module e, respectively with audio data receipt module a, audio signal amplification module b, audio signal
Decoder module c is connected with data outputting module d, to provide stable working power for above-mentioned module.
Foring one by connection relation, control planning and the interactively between above-mentioned function module as a result, can be right
The operating status progress of the radio data set A used with THDS system supports is intuitive, fast and accurately wireless data receives dress
It sets, in actual use, after being attached using the host computers such as data outputting module d and laptop B, inspection
Maintenance personnel not only can be using the audio signal that audio signal amplification module b is exported come artificial judgment radio data set A's
Operating status, and the analysis of relevant data signals and host computer B to corresponding data received by host computer B can be utilized
As a result the operating status of radio data set A, even THDS systems is grasped；Can be to patrol in a manner of man-computer cooperation based on this
It examines maintenance personnel and two different data receivers and judgment method is provided, greatly improve the operation shape to radio data set A
The accuracy of detection and the diagnosis of state reduces the possibility of scene reinspection, is conducive to save a large amount of manpower and materials, has good
Good economic benefit and social benefit.
To enhance the system performance of entire receiving instrument, while item is provided to reduce the volume of receiving instrument and improving its sensitivity
Part, preferably, as shown in Fig. 2, the audio data receipt module a of the present embodiment includes a digital walkie-talkie chip U1
(it preferably has the characteristics that, and small, integrated level is high, the DMR818 types digital walkie-talkie module of high sensitivity), one and number
The radio frequency input/output pin of intercom chip U1 is (i.e.：No. 7 pin-ANT pins) connected radio-frequency antenna (do not show in figure
Go out), the module reiving/transmitting state pin of at least one output end for being serially connected with power regulator module e and digital walkie-talkie chip U1
(i.e.：No. 17 pin-T/R pins) connected status indicator lamp D3；Wherein, the signal input part of audio signal amplification module b connects
It is connected to the audio output pin of digital walkie-talkie chip U1, and the signal input pin of audio signal decoding module c is then connected to
The serial data transmitting-receiving pin of digital walkie-talkie chip U1 is (i.e.：No. 2 pin-UART-TX pins and No. 3 pin-UART-RX draw
Foot).As a result, using digital walkie-talkie chip U1 as the core member device for receiving the double-audio signal that radio data set A is sent out
Part then can intuitively show the working condition of entire receiving instrument using status indicator lamp D3, ensure that it is high that entire receiving instrument carries out
While the steady operation of sensitivity, the practicality energy can be also enriched.Certainly, the audio data receipt module a of the present embodiment
Particular circuit configurations can refer to Fig. 2 and be configured.
It is to ensure to the amplification effect of audio signal, so that inspection maintenance personnel can listen to accurate audio signal,
To accurately judge the operating status of radio data set A, as shown in figure 3, the audio signal amplification module b packets of the present embodiment
Include two analog signal outputs of one 8002 type audio frequency power amplifier chip U2 and one and audio frequency power amplifier chip U2 (i.e.：No. 5 are drawn
Foot-VO1 pins and No. 8 pin-VO2 pins) connected loud speaker (not shown), the inverting analog of audio frequency power amplifier chip U2
Input terminal is (i.e.：No. 4 pins -- IN pins) and one of analog signal output (such as No. 5 pin-VO1 pins) while and sound
The signal output end of frequency data reception module a is connected, positive analog input end (i.e.：No. 3 pins -+IN pins) ground connection.As a result,
It can be in the sound for ensureing audio signal amplification module b using the features such as peripheral circuit is simple, power is big possessed by 8002 cake cores
While frequency output effect, simplify the circuit structure of entire module, to be received to reduce the volume of entire receiving instrument and reducing
The system structure complexity of instrument provides basis.
To provide accurate signal data to the maximum extent for host computer B, as shown in figure 4, the audio signal of the present embodiment
Decoder module c includes the switched capacitor modem U3 for the signal output end for being sequentially connected to audio data receipt module a
(it is preferably TCM3105 type modem chips, and the 4th pin, the 5th pin, the 12nd pin and the 13rd pin can be simultaneously with one
8 toggle switch are connected, operating mode (such as CCITTV2.3 or Bell202 patterns of chip to be arranged using toggle switch
Deng)), the first single supply level translator U4 and the second single supply level translator U5, wherein the first single supply level translator
U4 and the second single supply level translator U5 is mainly made of the double group driving/reception chips of a MAX232 types；And data export
Module d includes then being turned by a USB conversion chips U6 (it is mainly made of a CH341T cake cores) and the second single supply level
USB connector J (such as MINI-USB interfaces) connected parallel operation U5.Pass through the system structure to audio data receipt module a as a result,
Optimization may make up one and be similar to alien frequencies vocal cores modulation-demodulation device, realize decoding, conversion and extraction to double-audio signal；And it is sharp
Can be then the host computers such as receiving instrument and laptop, smart mobile phone, tablet computer B with data outputting module d into line number
According to connection.The particular circuit configurations of the audio signal decoding module c of the present embodiment can refer to Fig. 4 and be configured, and data export mould
The particular circuit configurations of block d can refer to Fig. 5 and be configured.
In addition, to ensure that the steady operation of entire receiving instrument, the power regulator module f of the present embodiment can refer to such as Fig. 6 institutes
The circuit structure shown is configured, i.e.,：Mainly it is made of a LM1575T-ADJ type switching power supply regulators U7.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of THDS wireless datas receiving instrument, it is characterised in that：It includes the double-tone sent out for receiving radio data set
The audio data receipt module of frequency signal is put for carrying out signal to the double-audio signal received by audio data receipt module
The audio signal amplification module monitored for inspection maintenance personnel greatly, for received by audio data receipt module
Double-audio signal is decoded to convert analog signals into the audio signal decoding module of digital signal, be used for audio signal
The digital signal of decoder module output is externally exported to the data outputting module of host computer and respectively to audio data receipt mould
The power regulator module that block, audio signal amplification module, audio signal decoding module and data outputting module are powered；
The signal input part of the audio signal amplification module and the signal input part of audio signal decoding module respectively with audio
The signal output end of data reception module is connected, the signal output end phase of the data outputting module and audio signal decoding module
Even, the power regulator module respectively with audio data receipt module, audio signal amplification module, audio signal decoding module and
Data outputting module is connected.
2. a kind of THDS wireless datas receiving instrument as described in claim 1, it is characterised in that：The audio data receipt module
The radio-frequency antenna that is connected with the radio frequency input/output pin of digital walkie-talkie chip including a digital walkie-talkie chip, one, at least
The state that one output end for being serially connected with power regulator module is connected with the module reiving/transmitting state pin of digital walkie-talkie chip refers to
Show lamp；The signal input part of the audio signal amplification module is connected to the audio output pin of digital walkie-talkie chip, described
The signal input pin of audio signal decoding module is connected to the serial data transmitting-receiving pin of digital walkie-talkie chip.
3. a kind of THDS wireless datas receiving instrument as claimed in claim 2, it is characterised in that：The digital walkie-talkie chip is
One DMR818 type digital walkie-talkie modules.
4. a kind of THDS wireless datas receiving instrument as described in claim 1, it is characterised in that：The audio signal amplification module
Including the loud speaker that one 8002 type audio frequency power amplifier chips and one are connected with two analog signal outputs of audio frequency power amplifier chip,
The inverting analog input terminal and one of analog signal output of the audio frequency power amplifier chip simultaneously with audio data receipt mould
The signal output end of block is connected, positive analog input end is grounded.
5. a kind of THDS wireless datas receiving instrument as described in any one of claim 1-4, it is characterised in that：The audio letter
Number decoder module includes the switched capacitor modem for the signal output end for being sequentially connected to audio data receipt module,
One single supply level translator and the second single supply level translator, the data outputting module include converting core by a USB
The USB connector that piece is connected with the second single supply level translator.
6. a kind of THDS wireless datas receiving instrument as claimed in claim 5, it is characterised in that：The Switching capacitance modulation demodulation
Device includes a TCM3105 type modem chips, the first single supply level translator and/or the second single supply level conversion
Device includes the double group driving/reception chips of a MAX232 types.
7. a kind of THDS wireless datas receiving instrument as claimed in claim 5, it is characterised in that：The power regulator module includes
One LM1575T-ADJ type switching power supply regulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411102.6U CN207968475U (en) | 2018-03-26 | 2018-03-26 | A kind of THDS wireless datas receiving instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820411102.6U CN207968475U (en) | 2018-03-26 | 2018-03-26 | A kind of THDS wireless datas receiving instrument |
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| Publication Number | Publication Date |
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| CN207968475U true CN207968475U (en) | 2018-10-12 |
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| CN201820411102.6U Active CN207968475U (en) | 2018-03-26 | 2018-03-26 | A kind of THDS wireless datas receiving instrument |
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- 2018-03-26 CN CN201820411102.6U patent/CN207968475U/en active Active
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