CN208986942U - A kind of wireless telecommunication system for Electro Magnetic Compatibility test - Google Patents
A kind of wireless telecommunication system for Electro Magnetic Compatibility test Download PDFInfo
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- CN208986942U CN208986942U CN201821556226.XU CN201821556226U CN208986942U CN 208986942 U CN208986942 U CN 208986942U CN 201821556226 U CN201821556226 U CN 201821556226U CN 208986942 U CN208986942 U CN 208986942U
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Abstract
The utility model provides a kind of wireless telecommunication system for Electro Magnetic Compatibility test, including anechoic chamber, the first controller, second controller, optical fiber, intercom and outdoor talkback machine；First controller is set to the outside of anechoic chamber, the second controller is set to the inside of anechoic chamber, one end of optical fiber is connect with the data terminal of first controller, and the other end of optical fiber passes through the wall of the anechoic chamber, and connect with the data terminal of the second controller；First controller includes the first signal processing module and the first wireless communication module, and the second signal end of the first wireless communication module and the intercom are wirelessly connected；The second controller includes second signal processing module and the second wireless communication module, and the second signal end of second wireless communication module and the outdoor talkback machine are wirelessly connected.The utility model can effectively realize the effective communication inside and outside anechoic chamber, to reduce test period and improve test efficiency.
Description
Technical field
The utility model relates to technical field of electromagnetic compatibility, more particularly, to a kind of nothing for Electro Magnetic Compatibility test
Line communication system.
Background technique
Currently, people's lives too busy to get away wireless communication technique, the application of mobile phone, Wireless LAN etc.
Also more prevalent.For wireless telecommunication system, pass through EMC electric wave as mobile phone, wireless network adapter etc. product
Darkroom is tested.And with the continuous improvement of electronic technology and computer technology, the integrated level of system is higher and higher, and electronics is set
Standby frequency band is increasingly widened, and sensitivity improves, and the cable system of equipment room becomes to become increasingly complex, therefore, in order to cause the device to
It is enough to work normally, it is necessary to assessment to can be carried out to the anti-interference of equipment, the radiation for carrying out electromagnetic field by anechoic chamber, is anti-interference
Property experiment.
In the prior art, in order to guarantee that anechoic chamber, keeps excellent electromagnetic environment in test, and in view of test
It will receive the influence of strong electrical field and high current in the process, usually passed through using wired optical fiber as the detection device of transmission means
The index of wired collecting fiber and the every concern of record.But since anechoic chamber, is as a signal shielding device of automobile, cause to try
Testing personnel needs frequently disengaging anechoic chamber, that could obtain communication, to increase test period and operating cost, reduces examination
Test efficiency.
Utility model content
The utility model embodiment provides a kind of wireless telecommunication system for Electro Magnetic Compatibility test, existing to solve
The technical issues of some anechoic chamber,s need testing crew disengaging indoor and outdoor that could obtain communication, so that it is dark to effectively realize electric wave
The effective communication of indoor and outdoor, and then reduce test period and improve test efficiency.
In order to solve the above-mentioned technical problem, the utility model embodiment provide it is a kind of for Electro Magnetic Compatibility test
Wireless telecommunication system, including anechoic chamber, the first controller, second controller, optical fiber, intercom and outdoor talkback
Machine；
First controller is set to the outside of the anechoic chamber, and the second controller is set to the anechoic chamber,
Inside, one end of the optical fiber are connect with the data terminal of first controller, and the other end of the optical fiber passes through the electric wave
The wall in darkroom is simultaneously connect with the data terminal of the second controller；
First controller includes the first signal processing module and the first wireless communication module, first signal processing
One end of module is connect with the data terminal of first controller, the other end of first signal processing module and described first
First signal end of wireless communication module connects, the second signal end of first wireless communication module and the intercom
It is wirelessly connected；
The second controller includes second signal processing module and the second wireless communication module, the second signal processing
One end of module is connect with the data terminal of the second controller, the other end of the second signal processing module and described second
First signal end of wireless communication module connects, the second signal end of second wireless communication module and the outdoor talkback machine
It is wirelessly connected.
Preferably, first wireless communication module includes the first Transmit Receive Unit, and first radio frequency is received
The first end of bill member is connect with the first signal end of first wireless communication module, and the of first Transmit Receive Unit
Two ends are connect with the second signal end of first wireless communication module；
Second wireless communication module includes the second Transmit Receive Unit, the first end of second Transmit Receive Unit
It is connect with the first signal end of second wireless communication module, the second end of second Transmit Receive Unit and described second
The second signal end of wireless communication module connects.
Preferably, first wireless communication module further includes first antenna unit, the first antenna unit
It is connect with the second signal end of first wireless communication module；
Second wireless communication module further includes the second antenna element, and second antenna element is wireless with described second
The second signal end of communication module connects.
Preferably, first signal processing module includes at the first audio signal converting unit and the first audio
Unit is managed, the first end of first audio treatment unit is connect with one end of first signal processing module, and described first
The second end of audio treatment unit is connect with the first end of the first audio signal converting unit, and first audio signal turns
The second end for changing unit is connect with the other end of first signal processing module；
The second signal processing module includes the second audio signal converting unit and the second audio treatment unit, and described the
The first end of two audio treatment units is connect with one end of the second signal processing module, second audio treatment unit
Second end is connect with the first end of the second audio signal converting unit, the second end of the second audio signal converting unit
It is connect with the other end of the second signal processing module.
Preferably, first Transmit Receive Unit includes the first radio-frequency transmissions subelement and the first radio frequency reception
Subelement, one end of the first radio-frequency transmissions subelement, the first radio frequency reception subelement one end with described first
The first end of Transmit Receive Unit connects, and the other end of the first radio-frequency transmissions subelement, first radio frequency reception are single
The other end of member is connect with the second end of first Transmit Receive Unit；
Second Transmit Receive Unit includes the second radio-frequency transmissions subelement and the second radio frequency reception subelement, and described the
One end of two radio-frequency transmissions subelements, the second radio frequency reception subelement one end with second Transmit Receive Unit
First end connection, the other end of the second radio-frequency transmissions subelement, the second radio frequency reception subelement the other end with
The second end of second Transmit Receive Unit connects
Preferably, the working frequency of the working frequency of first wireless communication module and the intercom
It is identical；The working frequency of second wireless communication module is identical as the working frequency of the outdoor talkback machine.
Preferably, the work of the working frequency of first wireless communication module and second wireless communication module
Working frequency is identical or different.
Preferably, first controller is set in the mute area of the anechoic chamber,.
Compared with the prior art, the utility model embodiment has the following beneficial effects:
Signal transmission is realized by the optical fiber between first controller and the second controller, so that institute
The data for stating anechoic chamber, are transmitted by optical signal, the shield effectiveness without will affect the anechoic chamber,；So that
The intercom, the outdoor talkback machine can obtain the sound of testing crew in the anechoic chamber, by the optical fiber
The voice signal that signal and the outer testing crew transmitting of the transmission anechoic chamber, are come in；
When indoor sound is transferred to outdoor, voice signal is sent to by the intercom in a manner of wireless signal
First wireless communication module, first wireless communication module receive speech simulation signal and are transmitted to first letter
Number processing module is handled, and speech simulation signal progress signal is converted to optical signal by first signal processing module,
To be transferred to the second controller by the optical fiber, the testing crew outside the anechoic chamber, is finally made to pass through the room
Outer intercom hears sound；
When outdoor sound is transferred to interior, voice signal is sent to by the outdoor talkback machine in a manner of wireless signal
Second wireless communication module, second wireless communication module receive speech simulation signal and are transmitted to second letter
Number processing module is handled, and speech simulation signal progress signal is converted to optical signal by the second signal processing module,
To be transferred to first controller by the optical fiber, the testing crew in the anechoic chamber, is finally made to pass through the room
Interior intercom hears sound；
In this way, the voice signal transmitting inside and outside the anechoic chamber, can be realized, testing crew is passed through described
Intercom, shown outdoor talkback machine are conversed, to effectively realize the effective communication inside and outside anechoic chamber, and then subtract
Few test period and raising test efficiency；And the shield effectiveness of the anechoic chamber, will not be affected.
Detailed description of the invention
Fig. 1 is the structural representation of the wireless telecommunication system for Electro Magnetic Compatibility test of the utility model embodiment one
Figure；
Fig. 2 is the explosive view of the wireless telecommunication system for Electro Magnetic Compatibility test of the utility model embodiment two；
Wherein, the appended drawing reference in Figure of description is as follows:
1, anechoic chamber,；2, optical fiber；3, the first controller；31, the first signal processing module；311, the first audio processing list
Member；312, the first audio signal converting unit；32, the first wireless communication module；321, the first Transmit Receive Unit；322, first
Antenna element；4, second controller；41, second signal processing module；411, the second audio treatment unit；412, the second audio is believed
Number converting unit；42, the second wireless communication module；421, the second Transmit Receive Unit；422, the second antenna element；5, indoor right
Say machine；6, outdoor talkback machine.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1, the preferred embodiment in the utility model provides a kind of channel radio for Electro Magnetic Compatibility test
News system, including anechoic chamber, 1, the first controller 3, second controller 4, optical fiber 2, intercom 5 and outdoor talkback machine
6；
First controller 3 is set to the outside of the anechoic chamber, 1, and it is dark that the second controller 4 is set to the electric wave
The inside of room 1, one end of the optical fiber 2 are connect with the data terminal of first controller 3, and the other end of the optical fiber 2 passes through
The wall of the anechoic chamber, 1 is simultaneously connect with the data terminal of the second controller 4；
In the present embodiment, letter is realized by the optical fiber 2 between first controller 3 and the second controller 4
Number transmission so that the data of the anechoic chamber, 1 are transmitted by optical signal, without will affect the anechoic chamber, 1
Shield effectiveness；So that the intercom 5, the outdoor talkback machine 6 can obtain the electricity by the optical fiber 2
The voice signal that the voice signal of testing crew and the transmission anechoic chamber, 1 outer testing crew transmitting are come in wave darkroom 1.
First controller 3 includes the first signal processing module 31 and the first wireless communication module 32, first letter
One end of number processing module 31 is connect with the data terminal of first controller 3, first signal processing module 31 it is another
End is connect with the first signal end of first wireless communication module 32, the second signal end of first wireless communication module 32
It is wirelessly connected with the intercom 5；
The second controller 4 includes second signal processing module 41 and the second wireless communication module 42, second letter
One end of number processing module 41 is connect with the data terminal of the second controller 4, the second signal processing module 41 it is another
End is connect with the first signal end of second wireless communication module 42, the second signal end of second wireless communication module 42
It is wirelessly connected with the outdoor talkback machine 6.
Wherein, when indoor sound is transferred to outdoor, the intercom 5 is by voice signal in a manner of wireless signal
It is sent to first wireless communication module 32, first wireless communication module 32 receives speech simulation signal and is transmitted to
First signal processing module 31 is handled, and speech simulation signal is carried out signal by first signal processing module 31
Optical signal is converted to, to be transferred to the second controller 4 by the optical fiber 2, finally makes the examination outside the anechoic chamber, 1
It tests personnel and sound is heard by the outdoor talkback machine 6；
When outdoor sound is transferred to interior, the outdoor talkback machine 6 sends voice signal in a manner of wireless signal
To second wireless communication module 42, second wireless communication module 42 receives speech simulation signal and is transmitted to described
Second signal processing module 41 is handled, and speech simulation signal is carried out signal conversion by the second signal processing module 41
Finally make the test people in the anechoic chamber, 1 for optical signal to be transferred to first controller 3 by the optical fiber 2
Member hears sound by the intercom 5；
In this way, the voice signal transmitting inside and outside the anechoic chamber, 1 can be realized, testing crew is passed through described
Intercom 5, shown outdoor talkback machine 6 are conversed, so that the effective communication inside and outside anechoic chamber, 1 is effectively realized, into
And it reduces test period and improves test efficiency；And the shield effectiveness of the anechoic chamber, 1 will not be affected.
In the utility model embodiment, first controller 3 is set in the mute area of the anechoic chamber, 1, to subtract
To bringing the interference of electromagnetic wave inside the anechoic chamber, 1 in few communication process, so that guarantee Electro Magnetic Compatibility test can
By property.
Referring to Figure 1 and Fig. 2, in the utility model embodiment, first wireless communication module 32 includes first penetrating
First letter of frequency Transmit-Receive Unit 321, the first end of first Transmit Receive Unit 321 and first wireless communication module 32
Number end connection, the second signal end of the second end of first Transmit Receive Unit 321 and first wireless communication module 32
Connection；
Second wireless communication module 42 includes the second Transmit Receive Unit 421, second Transmit Receive Unit 421
First end connect with the first signal end of second wireless communication module 42, the of second Transmit Receive Unit 421
Two ends are connect with the second signal end of second wireless communication module 42.
Preferably, first wireless communication module 32 further includes first antenna unit 322, the first antenna list
Member 322 is connect with the second signal end of first wireless communication module 32；
Second wireless communication module 42 further includes the second antenna element 422, second antenna element 422 with it is described
The second signal end of second wireless communication module 42 connects.
In the present embodiment, the wireless signal of the intercom 5 passes through first radio-cell and described first
Transmit Receive Unit 321 communicates wirelessly, and the wireless signal of the outdoor talkback machine 6 passes through second radio-cell and institute
The second Transmit Receive Unit 421 is stated to communicate wirelessly.
Referring to Figure 1 and Fig. 2, in the utility model embodiment, first signal processing module 31 includes the first sound
Frequency signal conversion unit 312 and the first audio treatment unit 311, the first end of first audio treatment unit 311 with it is described
One end of first signal processing module 31 connects, and the second end of first audio treatment unit 311 and first audio are believed
The first end connection of number converting unit 312, at the second end of the first audio signal converting unit 312 and first signal
Manage the other end connection of module 31；
The second signal processing module 41 includes the second audio signal converting unit 412 and the second audio treatment unit
411, the first end of second audio treatment unit 411 is connect with one end of the second signal processing module 41, and described
The second end of two audio treatment units 411 is connect with the first end of the second audio signal converting unit 412, second sound
The second end of frequency signal conversion unit 412 is connect with the other end of the second signal processing module 41.
In the present embodiment, it should be noted that in order to guarantee the laboratory the EMC electromagnetic environment pure in EMI test,
It is not influenced by strong electrical field and high current in EMS test process, is usually the detection device of transmission means with optical fiber 2,
Therefore, in order to avoid the shield effectiveness of the influence anechoic chamber, 1, between first controller 3 and the second controller 4
Signal transmission is realized by the optical fiber 2, so that the intercom 5, the outdoor talkback machine 6 can be by described
Optical fiber 2 obtains in the anechoic chamber, 1 voice signal of testing crew and the transmission outer testing crew of the anechoic chamber, 1 transmit into
The voice signal come.
Referring to Figure 1 and Fig. 2, in the utility model embodiment, first Transmit Receive Unit 321 includes first penetrating
It takes place frequently and penetrates subelement and the first radio frequency reception subelement, one end of the first radio-frequency transmissions subelement, first radio frequency connect
The one end for receiving subelement is connect with the first end of first Transmit Receive Unit 321, the first radio-frequency transmissions subelement
The other end, the first radio frequency reception subelement the other end with the second end of first Transmit Receive Unit 321 connect
It connects；
Second Transmit Receive Unit 421 includes the second radio-frequency transmissions subelement and the second radio frequency reception subelement, institute
One end of one end, the second radio frequency reception subelement for stating the second radio-frequency transmissions subelement with the second radio-frequency receiving-transmitting list
Member 421 first end connection, the other end of the second radio-frequency transmissions subelement, the second radio frequency reception subelement it is another
End is connect with the second end of second Transmit Receive Unit 421.
In the utility model embodiment, the working frequency of first wireless communication module 32 and the intercom
5 working frequency is identical；The working frequency phase of the working frequency of second wireless communication module 42 and the outdoor talkback machine 6
Together.The working frequency of first wireless communication module 32 is identical as the working frequency of second wireless communication module 42 or not
Together.
Relative to existing wireless intercom system, the embodiment of the present invention intercom 5 and the outdoor talkback machine 6 are logical
It crosses the optical fiber 2 to be communicated, realizes the possibility of 1 wireless communication of anechoic chamber,.And intercom in the prior art can only be with
Fixed frequency is conversed, and in the present embodiment, the intercom 5 is to be set as identical with the outdoor talkback machine 6
Or different frequency range can be communicated, voice signal is transmitted by the optical fiber 2 in centre, by the first audio processing list
First 311, first audio signal converting unit 312, second audio treatment unit 411 and the second audio signal converting unit
412 realize speech recognitions and analog-to-digital conversion so that the intercom 5 and the outdoor talkback machine 6 get rid of it is single
The constraint of frequency call, effectively improves the usage experience of user.
It should be understood that when indoor sound is transferred to outdoor, the intercom 5 is by voice signal with wireless communication
Number mode is sent to first wireless communication module 32, wherein the wireless signal of the intercom 5 is by first nothing
Line unit is received and is transmitted in first Transmit Receive Unit 321, then by first Transmit Receive Unit 321 by sound
Sound signal is transmitted to first signal processing module 31 and is handled, and carries out signal by first signal processing module 31
Reason, wherein first audio treatment unit 311, which is converted to speech simulation signal, is transmitted to described the after audio digital signal
One audio signal converting unit 312 is continued audio digital signal being converted to light by the first audio signal converting unit 312
Signal, so that the voice signal in the anechoic chamber, 1 is transferred to outdoor second control by way of optical signal
Device 4 processed finally makes the testing crew outside the anechoic chamber, 1 hear sound by the outdoor talkback machine 6；
When outdoor sound is transferred to interior, the outdoor talkback machine 6 sends voice signal in a manner of wireless signal
To second wireless communication module 42, wherein the wireless signal of the outdoor talkback machine 6 is received by second radio-cell
And be transmitted in second Transmit Receive Unit 421, then by second Transmit Receive Unit 421 by transmission of sound signals
It is handled to the second signal processing module 41, signal processing is carried out by the second signal processing module 41, wherein institute
It states after the second audio treatment unit 411 is converted to audio digital signal to speech simulation signal and is transmitted to second audio signal
Converting unit 412 is continued audio digital signal being converted to optical signal by the second audio signal converting unit 412, thus
So that the voice signal outside the anechoic chamber, 1 is transferred to first controller 3 by way of optical signal, finally make institute
The testing crew stated in anechoic chamber, 1 hears sound by the intercom 5.
To sum up, the utility model embodiment provides a kind of wireless telecommunication system for Electro Magnetic Compatibility test, packet
Include anechoic chamber, 1, the first controller 3, second controller 4, optical fiber 2, intercom 5 and outdoor talkback machine 6；Described first
Controller 3 is set to the outside of the anechoic chamber, 1, and the second controller 4 is set to the inside of the anechoic chamber, 1, the light
One end of fibre 2 is connect with the data terminal of first controller 3, and the other end of the optical fiber 2 passes through the wall of the anechoic chamber, 1
Wall is simultaneously connect with the data terminal of the second controller 4；First controller 3 includes the first signal processing module 31 and first
Wireless communication module 32, one end of first signal processing module 31 is connect with the data terminal of first controller 3, described
The other end of first signal processing module 31 is connect with the first signal end of first wireless communication module 32, first nothing
The second signal end of line communication module 32 and the intercom 5 are wirelessly connected；The second controller 4 includes second signal
Processing module 41 and the second wireless communication module 42, one end of the second signal processing module 41 and the second controller 4
Data terminal connection, the first signal of the other end of the second signal processing module 41 and second wireless communication module 42
End connection, the second signal end of second wireless communication module 42 and the outdoor talkback machine 6 are wirelessly connected.
Compared with the prior art, the utility model embodiment has the following beneficial effects:
Signal transmission is realized by the optical fiber 2 between first controller 3 and the second controller 4, to make
The data for obtaining the anechoic chamber, 1 are transmitted by optical signal, the shield effectiveness without will affect the anechoic chamber, 1；From
And the intercom 5, the outdoor talkback machine 6 is enabled to obtain in the anechoic chamber, 1 and test by the optical fiber 2
The voice signal that the voice signal of personnel and the transmission anechoic chamber, 1 outer testing crew transmitting are come in.
When indoor sound is transferred to outdoor, the intercom 5 sends voice signal in a manner of wireless signal
To first wireless communication module 32, first wireless communication module 32 receives speech simulation signal and is transmitted to described
First signal processing module 31 is handled, and speech simulation signal is carried out signal conversion by first signal processing module 31
Finally make the test people outside the anechoic chamber, 1 for optical signal to be transferred to the second controller 4 by the optical fiber 2
Member hears sound by the outdoor talkback machine 6；
When outdoor sound is transferred to interior, the outdoor talkback machine 6 sends voice signal in a manner of wireless signal
To second wireless communication module 42, second wireless communication module 42 receives speech simulation signal and is transmitted to described
Second signal processing module 41 is handled, and speech simulation signal is carried out signal conversion by the second signal processing module 41
Finally make the test people in the anechoic chamber, 1 for optical signal to be transferred to first controller 3 by the optical fiber 2
Member hears sound by the intercom 5；
In this way, the voice signal transmitting inside and outside the anechoic chamber, 1 can be realized, testing crew is passed through described
Intercom 5, shown outdoor talkback machine 6 are conversed, so that the effective communication inside and outside anechoic chamber, 1 is effectively realized, into
And it reduces test period and improves test efficiency；And the shield effectiveness of the anechoic chamber, 1 will not be affected.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (8)
1. a kind of wireless telecommunication system for Electro Magnetic Compatibility test, which is characterized in that including anechoic chamber, the first control
Device, second controller, optical fiber, intercom and outdoor talkback machine；
First controller is set to the outside of the anechoic chamber, and the second controller is set to the interior of the anechoic chamber,
Portion, one end of the optical fiber are connect with the data terminal of first controller, and it is dark that the other end of the optical fiber passes through the electric wave
The wall of room is simultaneously connect with the data terminal of the second controller；
First controller includes the first signal processing module and the first wireless communication module, first signal processing module
One end connect with the data terminal of first controller, the other end of first signal processing module and described first wireless
First signal end of communication module connects, and the second signal end of first wireless communication module and the intercom are wireless
Connection；
The second controller includes second signal processing module and the second wireless communication module, the second signal processing module
One end connect with the data terminal of the second controller, the other end of the second signal processing module and described second wireless
First signal end of communication module connects, and the second signal end of second wireless communication module and the outdoor talkback machine are wireless
Connection.
2. the wireless telecommunication system for Electro Magnetic Compatibility test as described in claim 1, which is characterized in that described first
Wireless communication module includes the first Transmit Receive Unit, the first end of first Transmit Receive Unit and first channel radio
Interrogate the first signal end connection of module, the of the second end of first Transmit Receive Unit and first wireless communication module
The connection of binary signal end；
Second wireless communication module includes the second Transmit Receive Unit, the first end of second Transmit Receive Unit and institute
The first signal end connection of the second wireless communication module is stated, the second end of second Transmit Receive Unit is wireless with described second
The second signal end of communication module connects.
3. the wireless telecommunication system for Electro Magnetic Compatibility test as claimed in claim 2, which is characterized in that described first
Wireless communication module further includes first antenna unit, the second letter of the first antenna unit and first wireless communication module
Number end connection；
Second wireless communication module further includes the second antenna element, second antenna element and second wireless telecommunications
The second signal end of module connects.
4. the wireless telecommunication system for Electro Magnetic Compatibility test as claimed in claim 2, which is characterized in that described first
Signal processing module includes the first audio signal converting unit and the first audio treatment unit, first audio treatment unit
First end is connect with one end of first signal processing module, the second end of first audio treatment unit and described first
The first end of audio signal converting unit connects, at the second end of the first audio signal converting unit and first signal
Manage the other end connection of module；
The second signal processing module includes the second audio signal converting unit and the second audio treatment unit, second sound
The first end of frequency processing unit is connect with one end of the second signal processing module, and the second of second audio treatment unit
End is connect with the first end of the second audio signal converting unit, the second end of the second audio signal converting unit and institute
State the other end connection of second signal processing module.
5. the wireless telecommunication system for Electro Magnetic Compatibility test as claimed in claim 2, which is characterized in that described first
Transmit Receive Unit includes the first radio-frequency transmissions subelement and the first radio frequency reception subelement, the first radio-frequency transmissions subelement
One end, the first radio frequency reception subelement one end connect with the first end of first Transmit Receive Unit, it is described
The other end of first radio-frequency transmissions subelement, the first radio frequency reception subelement the other end with first radio-frequency receiving-transmitting
The second end of unit connects；
Second Transmit Receive Unit includes the second radio-frequency transmissions subelement and the second radio frequency reception subelement, and described second penetrates
Take place frequently one end, the second radio frequency reception subelement for penetrating subelement one end with second Transmit Receive Unit first
End connection, the other end of the second radio-frequency transmissions subelement, the second radio frequency reception subelement the other end with it is described
The second end of second Transmit Receive Unit connects.
6. the wireless telecommunication system for Electro Magnetic Compatibility test as claimed in claim 1 or 2, which is characterized in that described
The working frequency of first wireless communication module is identical as the working frequency of the intercom；Second wireless communication module
Working frequency it is identical as the working frequency of the outdoor talkback machine.
7. the wireless telecommunication system for Electro Magnetic Compatibility test as claimed in claim 6, which is characterized in that described first
The working frequency of wireless communication module and the working frequency of second wireless communication module are identical or different.
8. the wireless telecommunication system for Electro Magnetic Compatibility test as claimed in claim 6, which is characterized in that described first
Controller is set in the mute area of the anechoic chamber,.
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| CN201821556226.XU CN208986942U (en) | 2018-09-21 | 2018-09-21 | A kind of wireless telecommunication system for Electro Magnetic Compatibility test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194404A (en) * | 2018-09-21 | 2019-01-11 | 广州市诚臻电子科技有限公司 | A kind of wireless telecommunication system for Electro Magnetic Compatibility test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194404A (en) * | 2018-09-21 | 2019-01-11 | 广州市诚臻电子科技有限公司 | A kind of wireless telecommunication system for Electro Magnetic Compatibility test |
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