CN208209970U - Electric power radio signal switching circuit and signal testing terminal - Google Patents
Electric power radio signal switching circuit and signal testing terminal Download PDFInfo
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- CN208209970U CN208209970U CN201820586962.3U CN201820586962U CN208209970U CN 208209970 U CN208209970 U CN 208209970U CN 201820586962 U CN201820586962 U CN 201820586962U CN 208209970 U CN208209970 U CN 208209970U
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Abstract
The utility model discloses a kind of electric power radio signal switching circuit signal testing terminal, wherein electric power radio signal switching circuit includes controller and common network module, the dedicated network mould group, selector for connecting controller；Dedicated network mould group includes several private network modules；The first kind interface of selector connects common network module, each private network module；Second class interface of selector connects several common network signal identifiers, several dedicated network signal identifiers.The utility model can be realized the automatic switchover to electric power wireless signal, improve electric power wireless signal switching efficiency, and then improve the collecting test application compatibility of electric power wireless signal.
Description
Technical field
The utility model relates to signal testing technical fields, more particularly to a kind of electric power radio signal switching circuit and letter
Number test terminal.
Background technique
With the development of communication technology, the use of wireless network is more and more mature.The wireless network that electric system uses removes
Have movement, telecommunications, connection 3 operators public wireless network outside, there are also the ad Hoc wireless networks of self-built frequency range.Usually exist
Electric-power metering and when accessing wireless network with network service etc. and carrying out signal prospecting and communication troubleshooting test, electric power field work personnel
It needs to be acquired wireless network signal test.
During realization, inventor has found that at least there are the following problems: traditional electric power wireless signal in traditional technology
Test is typically only capable to be acquired test for single wireless network signal, it is difficult to compatible a variety of wireless collection signals.
Utility model content
Based on this, it is necessary to aiming at the problem that traditional test poor compatibility to electric power wireless signal acquiring, provide one kind
Electric power radio signal switching circuit and signal testing terminal.
To achieve the goals above, the utility model embodiment provides a kind of electric power radio signal switching circuit, including
Controller and common network module, the dedicated network mould group, selector for connecting controller；Dedicated network mould group includes several
Private network module；
The first kind interface of selector connects common network module, each private network module；Second class interface of selector
Connect several common network signal identifiers, several dedicated network signal identifiers；
Controller when getting common network signal switching request, by selector be connected common network module with it is to be measured
Try the connection between common network signal identifier；
Controller when getting dedicated network signal switching request, by selector be connected dedicated network mould group in
Survey the connection between private network module and dedicated network signal identifier to be tested.
Selector includes signal selector and dedicated network selector in one of the embodiments,；
The first kind interface of signal selector connects common network module, each private network module；The of signal selector
Two class interfaces connect each common network signal identifier, each dedicated network signal identifier；The third class interface of signal selector
Connect controller；
One end of dedicated network selector connects controller, and the other end connects each private network module.
Dedicated network selector includes energy supply control module in one of the embodiments,；
One end of energy supply control module connects controller, and the other end connects each private network module.
Energy supply control module includes multiple power supplies module and electric power selection apparatus in one of the embodiments,；
One end of electric power selection apparatus connects controller, and the other end connects multiple power supplies module；The multichannel of multiple power supplies module
Output end is separately connected each private network module.
Signal selector includes decoder, phase inverter, first switch matrix and second opens in one of the embodiments,
Close matrix；
One end of decoder connects controller, and the other end connects phase inverter；The first kind output end connection first of phase inverter
The control terminal of switch matrix, the second class output end connect the control terminal of second switch matrix；The input terminal of first switch matrix connects
Common network module is connect, output end connects each common network signal identifier；The input terminal connection of second switch matrix is each dedicated
Network module, output end connect each dedicated network signal identifier.
Dedicated network mould group includes the first TD-LTE module and 230M frequency of 1800M frequency range in one of the embodiments,
2nd TD-LTE module of section；
The input terminal of first TD-LTE module connects controller, and output end connects selector, and power end connects multiple power supplies
First output end of module；
The input terminal of 2nd TD-LTE module connects controller, and output end connects selector, and power end connects multiple power supplies
The second output terminal of module.
Controller is single-chip microcontroller, ARM, DSP or FPGA in one of the embodiments,.
Common network signal identifier is SIM card in one of the embodiments,；
Dedicated network signal identifier is antenna.
On the other hand, the utility model embodiment additionally provides a kind of electric power wireless signal measurement terminal, including above-mentioned
The electric power radio signal switching circuit of meaning one, and the display of connection controller.
It in one of the embodiments, further include the locator for connecting controller.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
First kind interface based on selector connects common network module, each private network module；Second class of selector
Interface connects several common network signal identifiers, several dedicated network signal identifiers.Controller is getting common network
When signal switching request, the company between common network module and common network signal identifier to be tested is connected by selector
It connects, realizes the switching to common network signal.Controller is led when getting dedicated network signal switching request by selector
The connection between private network module to be measured and dedicated network signal identifier to be tested in logical dedicated network mould group, realization pair
The switching of dedicated network signal.To realize that electric power wireless signal (include a variety of common network signals and a variety of dedicated networks
Signal) automatic switchover, improve electric power wireless signal switching efficiency, improve the collecting test of electric power wireless signal using simultaneous
Capacitive.
Detailed description of the invention
Fig. 1 is the first structure diagram of electric power radio signal switching circuit in one embodiment；
Fig. 2 is the second structural schematic diagram of electric power radio signal switching circuit in one embodiment；
Fig. 3 is the third structural schematic diagram of electric power radio signal switching circuit in one embodiment；
Fig. 4 is the structural schematic diagram of energy supply control module in one embodiment；
Fig. 5 is the structural schematic diagram of signal selector in one embodiment；
Fig. 6 is the 4th structural schematic diagram of electric power radio signal switching circuit in one embodiment；
Fig. 7 is the structural schematic diagram of electric power wireless signal measurement terminal in one embodiment；
Fig. 8 is the structural schematic diagram of electric power wireless signal measurement terminal enclosure in one embodiment；Wherein, (a) is one
The positive structural schematic diagram of shell in embodiment；It (b) is the positive structural schematic diagram of shell in one embodiment.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
It is more thorough and comprehensive to open content.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Traditional to electric power wireless signal acquiring test poor compatibility in order to solve the problems, such as, the utility model embodiment mentions
A kind of electric power radio signal switching circuit is supplied.Fig. 1 is that the first structure of the present embodiment electric power radio signal switching circuit is illustrated
Figure.As shown in Figure 1, it may include controller 110 and common network module 120, the dedicated network mould group for connecting controller 110
130, selector 140；Dedicated network mould group 130 includes several private network modules 132.
The first kind interface of selector 140 connects common network module 120, each private network module 132；Selector 140
The second class interface connect several common network signal identifiers 150, several dedicated network signal identifiers 160.
Common network mould is connected when getting common network signal switching request, through selector 140 in controller 110
Connection between 120 pieces and common network signal identifier to be tested.
Dedicated network mould group is connected when getting dedicated network signal switching request, through selector 140 in controller 110
The connection between private network module to be measured and dedicated network signal identifier to be tested in 130.
Wherein, controller 110 refers to the device with functions such as data and instruction processing.Selector 140 can be more
The selector of road input multiple-channel output.Common network module 120 refers to can provide different operators (movement, connection and telecommunications)
Multiple types signal network module.Multiple types signal can be such as GSM (Global System for Mobile
Communication, global system for mobile communications) signal, CDMA (Code Division Multiple Access, code point
Multiple access) signal, CDMA2000 (Code Division Multiple Access 2000, a 3G mobile communication standard) letter
Number, WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access) signal, TD SCDMA
(Time Division-Synchronous Code Division Multiple Access, TD SDMA) letter
Number, TD LTE (Time Division Long Term, timesharing Long Term Evolution) signal and FDD LTE (Frequency
Division Duplexing-Long Term Evolution is based on frequency division duplex Long Term Evolution) signal etc..It is preferred that
, common network module 120 can be the network module of full frequency band.Private network module 132 refers to the dedicated network of electric power
Module.Preferably, private network module 132 can transmit the network signal of the dedicated frequency range of electric power.Common network signal identifier 150
Refer to the identifier of identification common network module standard signal.Optionally, common network signal identifier 150 can be GSM
Signal identifier, CDMA signal identifier, CDMA2000 signal identifier, WCDMA signal identifier, TD SCDMA signal are known
Other device, TD LTE signal identifier or FDD LTE signal identifier etc..Dedicated network signal identifier 160 refers to identification electricity
The identifier of the dedicated standard signal of power.
Specifically, common network module 120, dedicated network mould group 130, selector 140 are connected based on controller 110.Control
Device 110 processed transmits the first level switching signal when getting common network signal switching request, to selector 140；Controller
110 when getting dedicated network signal switching request, transmits second electrical level switching signal to selector 140.Based on selector
140 first kind interface connects common network module 120, each private network module 132.Second class interface of selector 140 connects
Connect several common network signal identifiers 150, several dedicated network signal identifiers 160.Selector 140 is according to the first level
The connection between common network module 120 and common network signal identifier to be tested is connected in switching signal；Selector 140
According to second electrical level switching signal, the private network module to be measured and dedicated network to be tested be connected in dedicated network mould group 130 is believed
Connection between number identifier.
It is given birth to it should be noted that common network signal switching request can trigger corresponding input equipment by operator
At.Wherein, input equipment can be key, for example, operator triggers pressing for corresponding common network signal identifier to be tested
When key, the common network switching request of the corresponding common network signal identifier to be tested is generated.Similarly, dedicated network signal is cut
It changes request and can trigger corresponding input equipment by operator and generate.Wherein, common network signal switching request and dedicated
Network signal switching request can be obtained by running existing program.
First level switching signal and second electrical level switching signal can be generated according to existing technology by controller.Example
Such as, controller can be made to generate the first level switching signal of different low and high level combinations by the prior art；It can also be by existing
The second electrical level switching signal for having technology that controller is made to generate different low and high level combinations.
In above-described embodiment, the first kind interface based on selector connects common network module, each private network module；Choosing
The the second class interface for selecting device connects several common network signal identifiers, several dedicated network signal identifiers.Controller is obtaining
When getting common network signal switching request, common network module and common network signal identification to be tested are connected by selector
Connection between device；Dedicated network mould group is connected when getting dedicated network signal switching request, through selector in controller
In private network module to be measured and dedicated network signal identifier to be tested between connection.It realizes to electric power wireless signal
The automatic switchover of (including a variety of common network signals and a variety of dedicated network signals) improves electric power wireless signal switching effect
Rate improves the collecting test application compatibility of electric power wireless signal.And then wireless network is accessed in electric-power metering, power matching network
When signal prospecting and communication troubleshooting test, the electric power radio signal switching circuit in general the present embodiment is only needed, so that it may realize
Automatic switchover to a variety of common network signals and a variety of dedicated network signals.
In one embodiment, as shown in Fig. 2, selector 140 includes signal selector 142 and dedicated network selector
144；
The first kind interface of signal selector 142 connects common network module 120, each private network module 132；Signal choosing
The the second class interface for selecting device 142 connects each common network signal identifier 150, each dedicated network signal identifier 160；Signal choosing
Select the third class interface connection controller 110 of device 142.One end of dedicated network selector 144 connects controller 110, the other end
Connect each private network module 132.
Wherein, signal selector 142 can be used between common network module 120 and each common network signal identifier 150
On-off selection, signal selector 142 can also be used in each private network module 132 and each dedicated network signal identifier 160 it
Between on-off selection.Dedicated network selector is for the on-off selection between each private network module and controller.
Specifically, controller 110 is connected when getting common network signal switching request by signal selector 142
Connection between common network module 120 and formula common network signal identifier to be measured.Controller 110 is getting private network
When network signal switching request, be connected between controller 110 and private network module to be measured by dedicated network selector 144
Connection；The company between private network module to be measured and dedicated network signal identifier to be tested is connected by signal selector 142
It connects.And then automatic switchover of the realization to a variety of wireless signals.
In one embodiment, as shown in figure 3, dedicated network selector 144 includes energy supply control module 143.Power supply control
One end of molding block 143 connects controller 110, and the other end connects each private network module 132.
Specifically, energy supply control module 143 can have multiple power supplies output end, and controller 110 is getting dedicated network
When signal switching request, the corresponding power output end of turn-on power control module 143, and then be connected controller 110 and it is to be measured specially
With the connection between network module.It realizes to the automatic switchover between multiple private network modules.
In one embodiment, as shown in figure 4, energy supply control module 410 includes that multiple power supplies module 414 and power supply select
Select device 412.
One end of electric power selection apparatus 412 connects controller 420, and the other end connects multiple power supplies module 414；Multiple power supplies mould
The multi-channel output of block 414 is separately connected each private network module 430.
Specifically, multiple power supplies module 414 refers to the power module with multiple-channel output.Preferably, multiple power supplies mould
The output electrical parameter of block 414 can make a reservation for according to the power supply size of private network module.Electric power selection apparatus 412 can be derailing switch
Part, it is preferred that electric power selection apparatus 412 can be relay.Controller 420 when getting dedicated network signal switching request,
By electric power selection apparatus 412 be connected the corresponding output end of multiple power supplies module 414, and then be connected controller 420 with it is to be measured dedicated
Connection between network module is realized by Switching power to the automatic switchover between multiple private network modules, is improved specially
With the switching efficiency of network module.
In one embodiment, as shown in figure 5, signal selector 510 is opened including decoder 512, phase inverter 514, first
Close matrix 516 and second switch matrix 518；
One end of decoder 512 connects controller 520, and the other end connects phase inverter 514；The first kind of phase inverter 514 is defeated
Outlet connects the control terminal of first switch matrix 516, and the second class output end connects the control terminal of second switch matrix 518；First
The input terminal of switch matrix 516 connects common network module 530, and output end connects each common network signal identifier 550；Second
The input terminal of switch matrix 518 connects each private network module 54, and output end connects each dedicated network signal identifier 560.
Specifically, controller 520 transmits the first level switching signal when getting common network signal switching request
To decoder 512.Decoder 512 is transferred to reverse phase according to the first level switching signal, by the first level decoded signal of generation
Device 514.Phase inverter 514 carries out reverse phase to the first level decoded signal, will obtain the first level inversion signal and be transferred to first opening
Close matrix 516.Common network module and common network to be tested is connected according to the first level inversion signal in first switch matrix 516
The switching to common network signal identifier is realized in connection between network signal identifier.Controller is getting dedicated network
When signal switching request, second electrical level switching signal is transferred to decoder 512, the second electrical level decoded signal of generation is transmitted
To phase inverter 514.Phase inverter 514 to second electrical level decoded signal carry out reverse phase, will obtain second electrical level inverted signal transmission to
Second switch matrix 518.Second switch matrix 518 is connected to be measured in dedicated network mould group according to second electrical level inversion signal
Connection between private network module and dedicated network signal identifier to be tested is realized to private network module and private network
The automatic switchover of network identifier.Preferably, first switch matrix 516 can be with data selector.Second switch matrix 518 can be
Data selector.
It should be noted that the first level decoded signal and second electrical level decoded signal are the inherent characteristics based on decoder
It generates；First level inversion signal and second electrical level inversion signal are what the inherent characteristic based on phase inverter generated.
In one embodiment, dedicated network mould group includes the first TD-LTE module and 230M frequency range of 1800M frequency range
2nd TD-LTE module.
First TD-LTE (Time Division Long Term Evolution: timesharing Long Term Evolution) module
Input terminal connects controller, and output end connects selector, and power end connects the first output end of multiple power supplies module.2nd TD-
The input terminal of LTE module connects controller, and output end connects selector, and power end connects the second output of multiple power supplies module
End.
Specifically, the first TD-LTE module refers to the private network of electric power system network module of 1800MHz (megahertz) frequency range.Second
TD-LTE module refers to the private network of electric power system network module of 2300MHz (megahertz) frequency range.
In one embodiment, controller is single-chip microcontroller, ARM (Advanced RISC Machines:RISC micro process
Device), DSP (Digital Signal Processing, the chip based on Digital Signal Processing) or FPGA (Field
Programmable Gate Array: i.e. field programmable gate array).
In one embodiment, common network signal identifier is SIM (Subscriber Identification
Module: subscriber identification card) card.Dedicated network signal identifier is antenna.
Wherein, SIM card, which can be, is provided by heterogeneous networks operator.
In one embodiment, as shown in fig. 6, electric power radio signal switching circuit includes controller 610, and connection control
Common network module 620,1800MHz TD-TLE module 632, the 230MHz TD-TLE module 634, signal behavior of device 610 processed
Device 640, energy supply control module 650.Wherein, signal selector 640 connects common network module 620,1800MHz TD-TLE mould
Block 632,230MHz TD-TLE module 634, each SIM card holder (including SIM1 deck 662, SIM2 deck 664 and SIM3 deck
666).Energy supply control module 650 connects 1800MHz TD-TLE module 632,230MHz TD-TLE module 634. 1800MHz
TD-TLE module 632 connects first antenna 672.230MHz TD-TLE module connects the second antenna 674.
Energy supply control module 650 includes 3.3V (volt) power module 652 and 5V power module 654.Wherein, 3.3V power supply
Module 652 is connected between controller 610 and 1800MHz TD-TLE module 632.5V power module 654 is connected to controller
610 and 230MHz TD-TLE module 634.Signal selector 640 includes phase inverter 641, and the decoding of connection phase inverter 641
Device 643, first switch 645, second switch 647, third switch 649,1800MHz TD-TLE module 632,230MHz TD-
TLE module 634.Wherein, decoder 643 connects controller 610.First switch 645 connects SIM1 deck 662；Second switch 647
Connect SIM2 deck 664；Third switch 649 connects SIM3 deck 666.
Specifically, common network module 620 can by USB (Universal Serial Bus, universal serial bus) with
Controller 610 connects, and SIM card is plugged in SIM card holder, realizes the connection of SIM card and SIM card holder.1800MHz TD-LTE mould
Block 632 can be connect by USB with controller 610, the 3.3V in 1800MHz TD-LTE module 632 and energy supply control module 650
Power module 652 connects.When the selection conducting 3.3V power module 652 of controller 610, and then 1800MHz TD-LTE mould is connected
Block 632, so that 1800MHz TD-LTE module 632 starts work.1800MHz TD-LTE module 632 and phase inverter 641 connect
It connects, 1800MHz TD-LTE module 632 is resetted and worked normally in the reset signal for receiving phase inverter.
230MHz TD-LTE module 634 can be connect by serial ports with controller 610,230MHz TD-LTE module 634 with
5V power module 654 in energy supply control module 650 connects, and when 5V power module 654 is connected in the selection of controller 610, and then leads
Logical 230MHz TD-LTE module 634, so that 230MHz TD-LTE module 634 starts work.230MHz TD-LTE module 634
It is connect with phase inverter 641,230MHz TD-LTE module 634 is resetted and worked normally in the reset signal for receiving phase inverter.
Further, different operators are sequentially placed into (such as in SIM1 deck 662, SIM2 deck 664, SIM3 deck 666
Mobile, connection and telecommunications) SIM card, different level signals is exported by controller, corresponding network signal module is connected
(common network module 620,1800MHz TD-LTE module 632 and 230MHz TD-LTE module 634), and then realize to wireless
Network signal switching.
It should be noted that 1800MHz TD-LTE module refers to the TD-LTE module of 1800MHz frequency range. 230MHz
TD-LTE module refers to the TD-LTE module of 230MHz frequency range.
In above-described embodiment, realizes electric power wireless signal and (believe comprising a variety of common network signals and a variety of dedicated networks
Number) automatic switchover, improve electric power wireless signal switching efficiency, and then improve the collecting test application of electric power wireless signal
Compatibility.
In one embodiment, a kind of electric power wireless signal measurement terminal is provided, as shown in fig. 7, comprises above-mentioned each reality
Apply the electric power radio signal switching circuit in example, and the display 770 of connection controller 710.
Wherein display can be LCD display, be also possible to LED display.
Specifically, after the completion of electric power wireless signal switches, then test function can be called by controller, realized to be measured
The automatic data acquisition test of the parameters such as the base station signal field strength of electric power wireless signal, subdistrict position, the rate of information throughput.Pass through
Display 770 connects controller 710, and then can will collect data and be shown by display 770.
In one embodiment, which further includes the memory for connecting controller.It can be by acquisition data and test
Data are stored into local data base (sqlite3) file of memory, can (one kind is based on can by calling web Service
The application program of the web of programming) interface upload onto the server backstage, can also by USB interface with Excel form document export
To the end PC.
In one embodiment, which further includes the locator for connecting controller.
Specifically, locator can be GNSS (Global Navigation Satellite System, global satellite led
Boat system) module.GNSS module can support GPS (Global Positioning System, global positioning system) module, north
Struggle against locating module and GLONASS (GLOBAL NAVIGATION SATELLITE SYSTEM, Global Satellite Navigation System) module,
Can quickly, high accuracy positioning data acquisition function, the longitude and latitude location information for the on-the-spot test position that can be will acquire automatically with
The test data of wireless network signal is stored and transmitted together.
In one embodiment, as shown in figure 8, the test terminal further include be installed with electric power radio signal switching circuit,
The shell of display.Wherein, Fig. 8 (a) is outer casing frontispiece schematic diagram, and Fig. 8 (b) is shell rear surface schematic diagram.
Specifically, outer casing frontispiece is provided with display 810.SIM card card slot 820, TF are respectively arranged in shell rear surface
Block a kind of (Trans-flash Card, storage card) card slot 830 and antenna 840.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of electric power radio signal switching circuit, which is characterized in that including controller and connect the public of the controller
Network module, dedicated network mould group, selector；The dedicated network mould group includes several private network modules；
The first kind interface of the selector connects the common network module, each private network module；The selector
The second class interface connect several common network signal identifiers, several dedicated network signal identifiers；
The common network mould is connected when getting common network signal switching request, through the selector in the controller
Connection between block and common network signal identifier to be tested；
The dedicated network mould is connected when getting dedicated network signal switching request, through the selector in the controller
The connection between private network module to be measured and dedicated network signal identifier to be tested in group.
2. electric power radio signal switching circuit according to claim 1, which is characterized in that the selector includes signal choosing
Select device and dedicated network selector；
The first kind interface of the signal selector connects the common network module, each private network module；The letter
Second class interface of number selector connects each common network signal identifier, each dedicated network signal identifier；Institute
The third class interface for stating signal selector connects the controller；
One end of the dedicated network selector connects the controller, and the other end connects each private network module.
3. electric power radio signal switching circuit according to claim 2, which is characterized in that the dedicated network selector packet
Include energy supply control module；
One end of the energy supply control module connects the controller, and the other end connects each private network module.
4. electric power radio signal switching circuit according to claim 3, which is characterized in that the energy supply control module includes
Multiple power supplies module and electric power selection apparatus；
One end of the electric power selection apparatus connects the controller, and the other end connects the multiple power supplies module；
The multi-channel output of the multiple power supplies module is separately connected each private network module.
5. electric power radio signal switching circuit according to claim 2, which is characterized in that the signal selector includes translating
Code device, phase inverter, first switch matrix and second switch matrix；
One end of the decoder connects the controller, and the other end connects phase inverter；The first kind output end of the phase inverter
The control terminal of the first switch matrix is connected, the second class output end connects the control terminal of the second switch matrix；Described
The input terminal of one switch matrix connects the common network module, and output end connects each common network signal identifier；Institute
The input terminal for stating second switch matrix connects each private network module, and output end connects each dedicated network signal identification
Device.
6. electric power radio signal switching circuit according to claim 4, which is characterized in that the dedicated network mould group includes
First TD-LTE module of 1800M frequency range and the 2nd TD-LTE module of 230M frequency range；
The input terminal of the first TD-LTE module connects the controller, and output end connects the selector, power end connection
First output end of the multiple power supplies module；
The input terminal of the 2nd TD-LTE module connects the controller, and output end connects the selector, power end connection
The second output terminal of the multiple power supplies module.
7. according to claim 1 to electric power radio signal switching circuit described in 6 any one, which is characterized in that the control
Device is single-chip microcontroller, ARM, DSP or FPGA.
8. electric power radio signal switching circuit according to claim 7, which is characterized in that the common network signal identification
Device is SIM card；
The dedicated network signal identifier is antenna.
9. a kind of electric power wireless signal measurement terminal, which is characterized in that including electric power described in claim 1 to 8 any one
Radio signal switching circuit, and the display of connection controller.
10. electric power wireless signal measurement terminal according to claim 9, which is characterized in that further include connecting the control
The locator of device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820586962.3U CN208209970U (en) | 2018-04-23 | 2018-04-23 | Electric power radio signal switching circuit and signal testing terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820586962.3U CN208209970U (en) | 2018-04-23 | 2018-04-23 | Electric power radio signal switching circuit and signal testing terminal |
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| CN208209970U true CN208209970U (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921913A (en) * | 2019-01-23 | 2019-06-21 | 南京卡加新能源科技有限公司 | A kind of full communication mode energy-storage system safety communication module having warm standby function |
-
2018
- 2018-04-23 CN CN201820586962.3U patent/CN208209970U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921913A (en) * | 2019-01-23 | 2019-06-21 | 南京卡加新能源科技有限公司 | A kind of full communication mode energy-storage system safety communication module having warm standby function |
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Effective date of registration: 20200918 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |