CN208539917U - A kind of communication quality testing system providing agreement - Google Patents
A kind of communication quality testing system providing agreement Download PDFInfo
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- CN208539917U CN208539917U CN201820598644.9U CN201820598644U CN208539917U CN 208539917 U CN208539917 U CN 208539917U CN 201820598644 U CN201820598644 U CN 201820598644U CN 208539917 U CN208539917 U CN 208539917U
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Abstract
The utility model embodiment discloses a kind of communication quality testing system of regulation agreement.The system includes: that agreement provides module, provides communication protocol for device under test；Control module provides module with agreement and is connected, for controlling signal emission module transmitting the first test signal according to communication protocol；Signal emission module, and Devices to test is sent to by prevention at radio-frequency port；Switch control module, for the connection status of control switch component, so that the connection of prevention at radio-frequency port and signal emission module is switched to and connect with spectrum analysis module；Prevention at radio-frequency port, is also used to obtain the reception result feedback signal of Devices to test, and is transferred to spectrum analysis module；Spectrum analysis module, for carrying out spectrum analysis to reception result feedback signal；Control module is shown for result of spectrum analysis to be sent to display.Above-mentioned technical proposal may be implemented to convert based on embedded interface, be tested more fast communication quality, accurately, the strong effect of controlling.
Description
Technical field
The utility model embodiment is related to communication test technical field more particularly to a kind of communication quality for providing agreement is surveyed
Test system.
Background technique
With the development of communication technology and the market demand, more and more equipment (automobile, mobile phone, household electrical appliance, industrial electrical equipments
Deng) access to communication networks (unauthorized frequency range) is needed, to realize the functional attributes for easily facilitating people's life.
To wireless communication technique, more stringent requirements are proposed for the fast development of Internet of Things, aims at low bandwidth, low-power consumption, long distance
From, largely connect Internet of Things application and design LPWAN (low-power Wide-Area Network, low-power consumption wide area
Net) also rapid rising.LoRa technology (wireless technology of remote low-power consumption) is as one of its Typical Representative, and most has hair
The low-power consumption wan communication technology of exhibition prospect.LoRa technology has covering is wide, connection is more, rate is low, at low cost, power consumption is few etc.
The characteristics of feature, suitable low-power consumption Internet of Things application.
LoRa is widely used in the industry at present, while being seemed increasingly to the test of the equipment with LoRa functional module
It is important.It is still in the market that common test equipment stacks to the testing scheme of equipment now, i.e., various large test equipment are built
The test platform to get up, not only test equipment cost is very high, while being unfavorable for safeguarding after equipment conveying, receives in signal
Cannot flexibly it switch between hair.The LoRa increasingly wider for application is applied, and in a test system, high integration low cost is light
The requirement of quantization becomes increasingly strong.
Utility model content
The utility model embodiment provides a kind of communication quality testing system of regulation agreement, may be implemented based on embedded
Interface conversion, the communication quality for treating test equipment are tested more fast, accurately, the strong effect of controlling.
In a first aspect, the utility model embodiment provides a kind of communication quality testing system of regulation agreement, the rule
The communication quality testing system for determining agreement includes:
Agreement provides module, connect with Devices to test, for providing communication protocol to the Devices to test；
Control module provides module with the agreement and is connected, for controlling signal emission module according to the communication protocol
Transmitting the first test signal；
The signal emission module is connect with prevention at radio-frequency port by switch block, and is sent to by the prevention at radio-frequency port
The Devices to test；
Switch control module is connect with the switch block, for controlling the connection status of the switch block, so that institute
It states prevention at radio-frequency port and is switched to the connection of the signal emission module and is connect with spectrum analysis module；
The prevention at radio-frequency port is also used to obtain the reception of the Devices to test received for the first test signal
As a result feedback signal, and by the reception result feedback signal transmission to the spectrum analysis module；
The spectrum analysis module obtains the reception for carrying out spectrum analysis to the reception result feedback signal
As a result feedback signal result of spectrum analysis；
The control module is connected with the spectrum analysis module, for dividing the reception result feedback signal frequency spectrum
Analysis result is sent to display and is shown.
Further,
The prevention at radio-frequency port is also used to receive the second test signal of the Devices to test transmitting；
The spectrum analysis module is also used to carry out spectrum analysis to the second test signal, obtains the second test letter
Number result of spectrum analysis；
The control module is also used to that the second test signal spectral analysis result is sent to display and is shown
Show.
Further,
The switch control module is also used to control the connection status of the switch block, so that the signal emits mould
Block is connect with the spectrum analysis module, and is disconnected with the prevention at radio-frequency port；
The control module is also used to control the signal emission module and issues third test signal, and receives the frequency
Spectrum analysis module tests signal spectral analysis to the third as a result, and being sent to display and showing.
Further, between the signal emission module and the switch control module, block isolating device and attenuator are set,
Signal for issuing to the signal emission module carries out filtering clutter and reduces Power Processing；
Between the spectrum analysis module and the switch control module, block isolating device is set, for sending out the signal
The signal for penetrating module sending carries out filtering clutter processing.
Further, the switch block includes the first signal shift switch, second signal switching switch and third signal
Switching switch；
The common end of first signal shift switch is connect with the signal emission module；The first signal switching is opened
The second end of pass is connect with the first end of second signal switching switch；The common end of the second signal switching switch and institute
State prevention at radio-frequency port connection；
The second end of the second signal switching switch is connect with the first end of the third signal shift switch；Described
The common end of three signal shift switch is connect with the spectrum analysis module；
The first end of first signal shift switch is connect with the second end of the third signal shift switch；
The switch control module is specifically used for,
The common end for controlling first signal shift switch is connect with second end, controls the second signal switching switch
Common end connect with first end so that the signal emission module is connect with the prevention at radio-frequency port；
The common end for controlling the second signal switching switch is connect with second end, controls the third signal shift switch
Common end connect with first end so that the spectrum analysis module is connect with the prevention at radio-frequency port, and emit the signal
Module is disconnected with the prevention at radio-frequency port；
The common end for controlling first signal shift switch is connect with first end, controls the third signal shift switch
Common end connect with second end so that the signal emission module is connect with the spectrum analysis module, and penetrated with described
Frequency port disconnects.
Further, it includes at least one piece of printed circuit board that the agreement, which provides module, is arranged on the printed circuit board
Have 1276 chips, 1276 chip for providing LoRa agreement, or provide FSK (Frequency-shift keying,
Frequency shift keying) agreement.
Second aspect, the utility model embodiment provides a kind of communication quality test method of regulation agreement, described logical
Believe that quality detecting method includes:
By switch control module, the connection status of control switch component, so that signal emission module and prevention at radio-frequency port connect
It connects；
It controls signal emission module and the first test signal is sent to Devices to test by prevention at radio-frequency port；
Pass through switch control module, the connection status of control switch component, so that the prevention at radio-frequency port and spectrum analysis mould
Block connection, and the prevention at radio-frequency port and the signal emission module disconnect；
By spectrum analysis module, obtains the test equipment and spectrum analysis is carried out to the reception result feedback signal,
Obtain the reception result feedback signal result of spectrum analysis；And the reception result feedback signal result of spectrum analysis is sent
It is shown to display.
Further, before or after all steps, the method also includes:
Pass through switch control module, the connection status of control switch component, so that the prevention at radio-frequency port and spectrum analysis mould
Block connection, and the prevention at radio-frequency port and the signal emission module disconnect；
The second test signal of the Devices to test transmitting is received by the prevention at radio-frequency port；
By the spectrum analysis module, spectrum analysis is carried out to the second test signal, obtains the second test signal
Result of spectrum analysis；And the second test signal spectral analysis result is sent to display and is shown.
Further, before or after all steps, the method also includes:
By switch control module, it is also used to control the connection status of the switch block, so that the signal emits mould
Block is connect with the spectrum analysis module, and is disconnected with the prevention at radio-frequency port；
It controls signal emission module and third test signal is sent by prevention at radio-frequency port；
By the spectrum analysis module, spectrum analysis is carried out to third test signal, obtains third test signal
Result of spectrum analysis；And third test signal spectral analysis result is sent to display and is shown.
Further, the method also includes:
By external equipment, the operational order of staff is obtained, determines that agreement provides module according to the operational order
Provided protocol type, the protocol type include at least LoRa agreement or FSK (Frequency-shift keying, frequency
Move keying) agreement.
Technical solution provided by the utility model embodiment, agreement provide module, connect with Devices to test, for institute
It states Devices to test and communication protocol is provided；Control module provides module with the agreement and is connected, and is used for according to the communication protocol,
Control signal emission module transmitting the first test signal；The signal emission module is connect by switch block with prevention at radio-frequency port,
And the Devices to test is sent to by the prevention at radio-frequency port；Switch control module is connect, for controlling with the switch block
The connection status of the switch block, so that the connection of the prevention at radio-frequency port and the signal emission module switches to and frequency spectrum point
Analyse module connection；The prevention at radio-frequency port, be also used to obtain the Devices to test tests what signal received for described first
Reception result feedback signal, and by the reception result feedback signal transmission to the spectrum analysis module；The spectrum analysis
Module obtains the reception result feedback signal spectrum analysis for carrying out spectrum analysis to the reception result feedback signal
As a result；The control module is connected with the spectrum analysis module, is used for the reception result feedback signal spectrum analysis knot
Fruit is sent to display and is shown, may be implemented to convert based on embedded interface, and the communication quality for treating test equipment carries out
Test is more quick, accurately, the strong effect of controlling.
Detailed description of the invention
Fig. 1 is the structural block diagram of the communication quality testing system for the regulation agreement that the utility model embodiment one provides；
Fig. 2 is the switch block connection relationship diagram for being originally the offer of the utility model embodiment one.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
It should be mentioned that some exemplary embodiments are described as before exemplary embodiment is discussed in greater detail
The processing or method described as flow chart.Although each step is described as the processing of sequence by flow chart, many of these
Step can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of each step can be rearranged.When its operation
The processing can be terminated when completion, it is also possible to have the additional step being not included in attached drawing.The processing can be with
Corresponding to method, function, regulation, subroutine, subprogram etc..
Embodiment one
Fig. 1 is the structural block diagram of the communication quality testing system for the regulation agreement that the utility model embodiment one provides, this
Embodiment applicable the case where testing for communication quality, the system can be realized by the mode of software and/or hardware.
As shown in Figure 1, the communication quality testing system of the regulation agreement includes:
Agreement provides module 110, connect with Devices to test, for providing communication protocol to the Devices to test；
Control module 120 provides module 110 with the agreement and is connected, for controlling signal hair according to the communication protocol
Penetrate the transmitting of module 130 first test signal；
The signal emission module 130 is connect by switch block 140 with prevention at radio-frequency port 150, and passes through the radio-frequency head
Mouth 150 is sent to the Devices to test；
Switch control module 160 is connect with the switch block 140, for controlling the connection of the switch block 140
State connects so that the connection of the prevention at radio-frequency port 150 and the signal emission module 130 is switched to spectrum analysis module 170
It connects；
The prevention at radio-frequency port 150, be also used to obtain the Devices to test tests what signal received for described first
Reception result feedback signal, and by the reception result feedback signal transmission to the spectrum analysis module 170；
The spectrum analysis module 170 obtains described connect for carrying out spectrum analysis to the reception result feedback signal
Receive result feedback signal result of spectrum analysis；
The control module 120 is connected with the spectrum analysis module 170, is used for the reception result feedback signal
Result of spectrum analysis is sent to display and is shown.
Agreement provides module, connect with Devices to test, for providing communication protocol to the Devices to test.Wherein, agreement
There is provided agreement provided by module can be for come Devices to test can according to the agreement after receiving corresponding signal
It is received and is decoded, is also possible to for making Devices to test emit signal according to the agreement.
In the present embodiment, optionally, it includes at least one piece of printed circuit board that the agreement, which provides module, the printing electricity
1276 chips are provided on the plate of road, 1276 chip is for providing LoRa agreement, or offer FSK (Frequency-shift
Keying, frequency shift keying) agreement.It wherein, can for providing LoRa agreement or providing the chip of FSK agreement when 1276 chip
By controlling the free switching in two kinds of agreements.Setting can be conducive to carry out in the communication network of unauthorized frequency range in this way
The test of the receiving and transmitting signal performance that set.
Control module provides module with the agreement and is connected, for controlling signal emission module according to the communication protocol
Transmitting the first test signal.Wherein, control module can be the intelligent terminals such as computer, mobile phone, can be used to control signal transmitting
Some parameters of the emitted signal of module, such as frequency, energy size.Control module, which passes through, obtains communication protocol, and according to logical
Believe protocol integrated test system signal emission module transmitting the first test signal.Wherein the first test signal is used to obtain the reception of Devices to test
As a result feedback signal is compared by the parameter to two signals, so that it may which determining the communication quality of current Devices to test is
It is no to meet the requirements, to achieve the effect that the communication quality of device under test is tested.
Wherein, control module can drag more USB interface and signal emission module by one.Spectrum analysis module, agreement
Module is provided and switch control module is attached.Wherein, agreement provides the Transistor-Transistor Logic level on the printed circuit board of module
(Transistor Transistor Logic, i.e. transistor-transistor logic) is connected to using professional Transistor-Transistor Logic level adapter
Control module.
The signal emission module is connect with prevention at radio-frequency port by switch block, and is sent to by the prevention at radio-frequency port
The Devices to test.Wherein switch block can be used to control the connection or disconnected between signal emission module and prevention at radio-frequency port
It opens.Wherein, after being connect by prevention at radio-frequency port with Devices to test, so that it may the radio signal transmission for being emitted video equipment to
In measurement equipment.
Switch control module is connect with the switch block, for controlling the connection status of the switch block, so that institute
It states prevention at radio-frequency port and is switched to the connection of the signal emission module and is connect with spectrum analysis module.Wherein, switch control module
Control module can be attached to, can also be separately provided, switch control module is used for the on-off of control switch component, to change
Connection relationship between prevention at radio-frequency port, the connection of signal emission module and spectrum analysis module three.Pass through switch control mould
Block control switch component so that prevention at radio-frequency port is connect with spectrum analysis module, this allow for the first test signal be sent to it is to be measured
After equipment, by changing connection status, so that spectrum analysis module receives Devices to test and is emitted for the first test signal
Receive result feedback signal.
The prevention at radio-frequency port is also used to obtain the reception of the Devices to test received for the first test signal
As a result feedback signal, and by the reception result feedback signal transmission to the spectrum analysis module.
The spectrum analysis module obtains the reception for carrying out spectrum analysis to the reception result feedback signal
As a result feedback signal result of spectrum analysis.
Wherein, spectrum analysis module can obtain receiving result anti-by the spectrum analysis to result feedback signal is received
The parameter of feedback signal, by comparing the parameter of itself and the first transmitting signal, so that it may obtain the communication matter of Devices to test
Amount.
The control module is connected with the spectrum analysis module, for dividing the reception result feedback signal frequency spectrum
Analysis result is sent to display and is shown.The benefit being arranged in this way is can the more intuitive test result by communication quality
It shows, it is identified and is confirmed convenient for staff.
Technical solution provided by the utility model embodiment, agreement provide module, connect with Devices to test, for institute
It states Devices to test and communication protocol is provided；Control module provides module with the agreement and is connected, and is used for according to the communication protocol,
Control signal emission module transmitting the first test signal；The signal emission module is connect by switch block with prevention at radio-frequency port,
And the Devices to test is sent to by the prevention at radio-frequency port；Switch control module is connect, for controlling with the switch block
The connection status of the switch block, so that the connection of the prevention at radio-frequency port and the signal emission module switches to and frequency spectrum point
Analyse module connection；The prevention at radio-frequency port, be also used to obtain the Devices to test tests what signal received for described first
Reception result feedback signal, and by the reception result feedback signal transmission to the spectrum analysis module；The spectrum analysis
Module obtains the reception result feedback signal spectrum analysis for carrying out spectrum analysis to the reception result feedback signal
As a result；The control module is connected with the spectrum analysis module, is used for the reception result feedback signal spectrum analysis knot
Fruit is sent to display and is shown, may be implemented to convert based on embedded interface, and the communication quality for treating test equipment carries out
Test is more quick, accurately, the strong effect of controlling.
Based on the above technical solution, between the signal emission module and the switch control module, setting
Block isolating device and attenuator, the signal for issuing to the signal emission module carry out filtering clutter and reduce Power Processing；?
Between the spectrum analysis module and the switch control module, block isolating device is set, for issuing to the signal emission module
Signal carry out filtering clutter processing.The benefit being arranged in this way be can be improved sending or received signal quality, keep away
Exempt from noise jamming, influences the accuracy of test macro.Wherein reduce Power Processing be to be able to the power of signal can be
Devices to test receives in range, and overflows caused by avoiding power excessively high or too low reflection not appreciably affects test macro
Accuracy.
Based on the above technical solution, optionally, the system is also used to: the prevention at radio-frequency port is also used to receive
Second test signal of the Devices to test transmitting；The spectrum analysis module is also used to carry out the second test signal
Spectrum analysis obtains the second test signal spectral analysis result；The control module is also used to the second test signal frequency
Spectrum analysis result is sent to display and is shown.
Wherein the second test signal has Devices to test sending, and the letter that device under test is emitted may be implemented in the technical program
Number quality is tested.
Based on the above technical solution, optionally, the system is also used to: the switch control module is also used to
Control the connection status of the switch block so that the signal emission module is connect with the spectrum analysis module, and with
The prevention at radio-frequency port disconnects；The control module is also used to control the signal emission module and issues third test signal,
And it receives the spectrum analysis module and signal spectral analysis is tested to the third as a result, and being sent to display and showing.
Wherein, third test signal is only transmitted from internal system, and setting in this way can be used to realize to system certainly
The signal transmission quality of body is tested, and avoids inside due to the phase between wire structures and wiring environment and electrical component
The case where mutually interfering, signal is caused to receive interference in transmission process appearance.May be used for self-test in this way, can be used for
The first string is combined to realize data as a comparison, improves the accuracy during system testing.
Fig. 2 is the switch block connection relationship diagram for being originally the offer of the utility model embodiment one.As shown in Fig. 2, open
Close component connection type and working principle include:
The switch block includes the first signal shift switch, second signal switching switch and third signal shift switch；
The common end of first signal shift switch is connect with the signal emission module；The first signal switching is opened
The second end of pass is connect with the first end of second signal switching switch；The common end of the second signal switching switch and institute
State prevention at radio-frequency port connection；
The second end of the second signal switching switch is connect with the first end of the third signal shift switch；Described
The common end of three signal shift switch is connect with the spectrum analysis module；
The first end of first signal shift switch is connect with the second end of the third signal shift switch；
The switch control module is specifically used for,
The common end for controlling first signal shift switch is connect with second end, controls the second signal switching switch
Common end connect with first end so that the signal emission module is connect with the prevention at radio-frequency port；
The common end for controlling the second signal switching switch is connect with second end, controls the third signal shift switch
Common end connect with first end so that the spectrum analysis module is connect with the prevention at radio-frequency port, and emit the signal
Module is disconnected with the prevention at radio-frequency port；
The common end for controlling first signal shift switch is connect with first end, controls the third signal shift switch
Common end connect with second end so that the signal emission module is connect with the spectrum analysis module, and penetrated with described
Frequency port disconnects.
Wherein, the common end of each signal shift switch is the terminals of centre one of three terminals, and first end is a left side
Terminals, second end is right terminals, due to that can be directly determined according to character express, so not had in Fig. 2
Body label.
The benefit being arranged in this way is that the transmission of test signal may be implemented to have simplified survey to the effect transmitted with channel
Wiring inside test system simplifies internal system wire laying mode, more simple and easy to do.
It is worth noting that single-pole double-throw switch (SPDT) provided by the utility model embodiment is signal shift switch, if
Technical solution provided by the present embodiment also may be implemented using other kinds of single-pole double-throw switch (SPDT), single pole multiple throw, this
Place repeats no more.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (6)
1. a kind of communication quality testing system for providing agreement characterized by comprising
Agreement provides module, connect with Devices to test, for providing communication protocol to the Devices to test；
Control module provides module with the agreement and is connected, for controlling signal emission module transmitting according to the communication protocol
First test signal；
The signal emission module is connect by switch block with prevention at radio-frequency port, and is sent to by the prevention at radio-frequency port described
Devices to test；
Switch control module is connect with the switch block, for controlling the connection status of the switch block, so that described penetrate
Frequency port switches to the connection of the signal emission module and connect with spectrum analysis module；
The prevention at radio-frequency port is also used to obtain the reception result of the Devices to test received for the first test signal
Feedback signal, and by the reception result feedback signal transmission to the spectrum analysis module；
The spectrum analysis module obtains the reception result for carrying out spectrum analysis to the reception result feedback signal
Feedback signal result of spectrum analysis；
The control module is connected with the spectrum analysis module, is used for the reception result feedback signal spectrum analysis knot
Fruit is sent to display and is shown.
2. system according to claim 1, which is characterized in that
The prevention at radio-frequency port is also used to receive the second test signal of the Devices to test transmitting；
The spectrum analysis module is also used to carry out spectrum analysis to the second test signal, obtains the second test signal frequency
Spectrum analysis result；
The control module is also used to that the second test signal spectral analysis result is sent to display and is shown.
3. system according to claim 1, which is characterized in that
The switch control module is also used to control the connection status of the switch block so that the signal emission module with
The spectrum analysis module connection, and disconnected with the prevention at radio-frequency port；
The control module is also used to control the signal emission module and issues third test signal, and receives the frequency spectrum point
Analysis module tests signal spectral analysis to the third as a result, and being sent to display and showing.
4. system according to claim 1-3, which is characterized in that in the signal emission module and the switch
Between control module, block isolating device and attenuator are set, the signal for issuing to the signal emission module carries out filtering clutter
With reduction Power Processing；
Between the spectrum analysis module and the switch control module, block isolating device is set, for emitting mould to the signal
The signal that block issues carries out filtering clutter processing.
5. system according to claim 1-3, which is characterized in that the switch block switches including the first signal
Switch, second signal switching switch and third signal shift switch；
The common end of first signal shift switch is connect with the signal emission module；First signal shift switch
Second end is connect with the first end of second signal switching switch；The common end of the second signal switching switch is penetrated with described
The connection of frequency port；
The second end of the second signal switching switch is connect with the first end of the third signal shift switch；The third letter
Number switching switch common end connect with the spectrum analysis module；
The first end of first signal shift switch is connect with the second end of the third signal shift switch；
The switch control module is specifically used for,
The common end for controlling first signal shift switch is connect with second end, controls the public affairs of the second signal switching switch
End is connect with first end altogether, so that the signal emission module is connect with the prevention at radio-frequency port；
The common end for controlling the second signal switching switch is connect with second end, controls the public affairs of the third signal shift switch
End is connect with first end altogether, so that the spectrum analysis module is connect with the prevention at radio-frequency port, and makes the signal emission module
It is disconnected with the prevention at radio-frequency port；
The common end for controlling first signal shift switch is connect with first end, controls the public affairs of the third signal shift switch
End is connect with second end altogether so that the signal emission module is connect with the spectrum analysis module, and with the radio-frequency head
Mouth disconnects.
6. system according to claim 1-3, which is characterized in that it includes at least one piece that the agreement, which provides module,
Printed circuit board is provided with 1276 chips on the printed circuit board, and 1276 chip is for providing LoRa agreement, Huo Zheti
For FSK agreement.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820598644.9U CN208539917U (en) | 2018-04-25 | 2018-04-25 | A kind of communication quality testing system providing agreement |
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| CN201820598644.9U CN208539917U (en) | 2018-04-25 | 2018-04-25 | A kind of communication quality testing system providing agreement |
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