CN207603639U - Drawer type power wire broadband carrier communication network module tests system - Google Patents
Drawer type power wire broadband carrier communication network module tests system Download PDFInfo
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- CN207603639U CN207603639U CN201721010161.4U CN201721010161U CN207603639U CN 207603639 U CN207603639 U CN 207603639U CN 201721010161 U CN201721010161 U CN 201721010161U CN 207603639 U CN207603639 U CN 207603639U
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Abstract
Drawer type power wire broadband carrier communication network module tests system, including：Power module, broadband power line carrier routing module, processing unit and networking unit, processing unit is connected with broadband power line carrier routing module, broadband power line carrier routing module is connected with a networking unit, which passes through shielded radio frequency line and the unit cascaded networking of other networkings；The networking unit includes circuit board, the programmable attenuator being set in the circuit board, signal coupler, several carrier modules, electronic switch and radio frequency connector；Each group net unit is respectively arranged at made of metal in drawer type mounting box, the drawer type mounting box includes installation box body and drawer, the circuit board of networking unit is set in the drawer, and the drawer is set to by guide rail in installation box body, and can be moved along guide rail.The utility model can observe and replace in real time communication module in networking test process, improve the convenience of test operation.
Description
Technical field
The utility model belongs to power wire broadband carrier communication technical field more particularly to a kind of power wire broadband carrier leads to
Believe network module test system.
Background technology
As State Grid Corporation of China and Southern Power Grid Company carry forward vigorously broadband power line carrier technology substitution narrowband electric power
Line carrier technology enters Electricity Meters Auto Transcription System, and low-voltage power line bandwidth carrier communication is formally issued in July, 2017
Technical specification, application of the broadband power line carrier in automatic copying electric meter field initially enter white-hot state.For this purpose, each province
Net company and each ammeter factory commercial city need to build a set of networking test platform for power wire broadband carrier communication module, pass through mould
Draw up various complicated site environments and realize flexible and changeable routing mode, come examine the routing algorithm of different carrier schemes and
The networking capability limit.
The Chinese invention patent of Patent No. 201410817509.5 discloses a kind of power line carrier meter reading networking test
System, the test system include power module, broadband power line carrier routing module, processing unit and networking unit；Processing is single
Member is connected with broadband power line carrier routing module, and broadband power line carrier routing module passes through shielded radio frequency line and a networking
Unit is connected, remaining networking unit passes through shielded radio frequency line and the unit cascaded networking of other networkings；Setting is multiple in networking unit
Replaceable carrier module, a carrier module are connected with a microcontroller, can replace carrier module and each communication section of control
Pad value size and carrier signal route direction between point realize the adaptive networking test of computer.But the test system is maximum
The drawbacks of be that networking unit is disposed in totally-enclosed Metal shielding shell, cannot easily be observed in real time in networking test process
With replacement communication module, installation and debugging or test operation all bring great inconvenience to operator, and user experience is poor.
Utility model content
The purpose of this utility model is to provide a kind of drawer type power wire broadband carrier network module test system, Ke Yigai
The convenience of kind test operation.
To achieve these goals, the utility model takes following technical solution：
Drawer type power wire broadband carrier communication network module tests system, including：Power module, broadband power line carrier
Routing module, processing unit and networking unit, processing unit are connected with broadband power line carrier routing module, and broadband power line carries
Wave routing module is connected with a networking unit, which passes through shielded radio frequency line and the unit cascaded networking of other networkings；Institute
It states networking unit and includes circuit board, the programmable attenuator being set in the circuit board, signal coupler, several carrier wave moulds
Block, electronic switch and radio frequency connector；Each group net unit is respectively arranged at made of metal in drawer type mounting box, the drawer
Formula mounting box includes installation box body and drawer, the circuit board of networking unit are set in the drawer, and the drawer passes through
Guide rail is set in installation box body, and can be moved along guide rail.
More specifically, it is connected between adjacent carrier module through difference carrier signal line in networking unit, difference carrier signal
Line is circuit board internal layer cabling.
More specifically, it is respectively arranged on the top and bottom of the circuit board and covers copper ground level.
More specifically, the configured differential-to-single-ended circuit in circuit board of difference carrier signal line connects with radio frequency
Interface is connected.
More specifically, tank chain is provided in the installation box body, one end of tank chain is fixed on drawer, the other end
It is mutually fixed with installation box body, radio-frequency cable is set in tank chain.
It, not only can be real by above technical scheme it is found that networking unit is packed into inside drawer type box body by the utility model
Existing effect prevents broadband carrier signal in the Space Coupling of two adjacent sets net unit parts, and can be in networking test process
Observation in real time and replacement communication module improve the convenience of test operation.The utility model controls each networking by computer
Pad value size between unit, so that it may which the Relay between each group net unit is realized in free switching carrier signal network routing direction
Connection.
Description of the drawings
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of the utility model embodiment
The attached drawing used does simple introduction, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure diagram of the utility model embodiment networking cabinet；
Fig. 3 is the structure diagram of the utility model embodiment drawer type mounting box.
Specific embodiment of the present utility model is described in more detail below in conjunction with attached drawing.
Specific embodiment
As shown in Figure 1, the networking test system of the present embodiment includes power module 1, broadband power line carrier routing module
2nd, processing unit 3 and at least one networking unit 4.Pass through data between broadband power line carrier routing module 2 and processing unit 3
Transmission line is connected, and the processing unit 3 of the present embodiment is computer.Broadband power line carrier routing module 2 passes through shielded radio frequency line
It is connected with a networking unit 4, the networking unit 4 that should be connected with broadband power line carrier routing module 2 passes through shielded radio frequency again
Line and the unit cascaded networking of other networkings.Power module 1 is connected with networking unit 4, powers for networking unit 4, the present embodiment
Power module 1 is 12V DC power supply, and a power module 1 can be powered by shielded radio frequency line for four networking units 4.Each
The structure all same of networking unit 4 is connected by shielded cable between networking unit 4.
Networking unit includes programmable attenuator, signal coupler, carrier module, microcontroller, electronic switch and radio frequency connection
Mouthful.Programmable attenuator, signal coupler, carrier module, microcontroller, electronic switch and radio frequency connector may be contained within circuit board
On.The structure of the utility model networking unit is identical with the structure of networking unit in No. 201410817509.5 patents.Multiple loads
Wave module is set in one piece of circuit board, and the microcontroller that each carrier module is set in circuit board with one is connected, this
It is connected between the adjacent carrier module of embodiment by difference carrier signal line, difference carrier signal line uses circuit board internal layer
The form of cabling.Be each provided on the top and bottom of circuit board for shield internal layer cabling carrier signal with covering copper
Plane, to reduce interference.The configured differential-to-single-ended circuit in circuit board of difference carrier signal line and radio frequency connector
It is connected.Difference carrier signal is changed into single-ended carrier signal by differential-to-single-ended circuit, passes through radio-frequency cable through radio frequency connector
It is connected with the prevention at radio-frequency port outside networking unit.
Each networking unit is separately set in a drawer type mounting box 5 by the utility model, drawer type installation
Box is made of metal material, to realize the Space Coupling blocked between node.Multiple drawer type mounting boxs 5 are mounted on test system
A networking cabinet 6 in (Fig. 2).Fig. 3 is the structure diagram of drawer type mounting box 5, as shown in figure 3, drawer type mounting box
Including installing box body 5-1 and drawer 5-2, circuit board 5-3 is mounted in drawer 5-2, and carrier module 5-4 is set to circuit base
On plate 5-3, one end of radio-frequency cable 5-6 is connected with the radio frequency connector 5-5 on circuit board 5-3, the other end and mounting box sheet
Prevention at radio-frequency port (non-label) on body 5-1 is connected.Drawer 5-2 is set to installation box body 5-1 by guide rail structure (not shown)
It is interior, and can be moved along guide rail.Preferably, tank chain 5-7 is provided in installation box body 5-1, one end of tank chain 5-7 is fixed
On drawer 5-2, the other end is fixed with installation box body 5-1 phases, and radio-frequency cable 5-6 is set in tank chain 5-7, tank chain 5-
7 are used to play guiding and protective effect to radio-frequency cable in the sliding process of drawer.
The networking element circuit substrate of the utility model is mounted in drawer type mounting box, all carrier wave moulds in networking unit
The difference carrier signal of block is transmitted by circuit board internal layer cabling, and difference carrier signal is using being set in circuit board
Difference carrier signal is changed into single-ended carrier signal by differential-to-single-ended circuit, and single-ended carrier signal is using being placed in circuit board
On radio frequency connector, radio-frequency cable, be connected with external prevention at radio-frequency port, so as to effectively prevent broadband carrier signal in two phases
The Space Coupling of adjacent networking unit piece can observe and replace in real time communication module in networking test process, make test operation
Convenience greatly enhance.
Above example is only to illustrate the technical solution of the utility model rather than its limitations, although with reference to above-mentioned implementation
The utility model is described in detail in example, it should be understood by a person of ordinary skill in the art that still can be to this reality
It is modified or replaced equivalently with novel specific embodiment, and is repaiied without departing from any of the spirit and scope of the utility model
Change or equivalent replacement, should all cover among the right of the utility model.
Claims (5)
1. drawer type power wire broadband carrier communication network module tests system, including：Power module, broadband power line carrier road
By module, processing unit and networking unit, processing unit is connected with broadband power line carrier routing module, broadband power line carrier
Routing module is connected with a networking unit, which passes through shielded radio frequency line and the unit cascaded networking of other networkings；It is described
Networking unit includes circuit board, the programmable attenuator being set in the circuit board, signal coupler, several carrier wave moulds
Block, electronic switch and radio frequency connector；
It is characterized in that：
Each group net unit is respectively arranged at made of metal in drawer type mounting box, and the drawer type mounting box includes mounting box sheet
Body and drawer, the circuit board of networking unit are set in the drawer, and the drawer is set to installation box body by guide rail
It is interior, and can be moved along guide rail.
2. drawer type power wire broadband carrier communication network module as described in claim 1 tests system, it is characterised in that：Group
It is connected between adjacent carrier module through difference carrier signal line in net unit, difference carrier signal line is walked for circuit board internal layer
Line.
3. drawer type power wire broadband carrier communication network module as claimed in claim 2 tests system, it is characterised in that：Institute
It states to be respectively arranged on the top and bottom of circuit board and covers copper ground level.
4. drawer type power wire broadband carrier communication network module as claimed in claim 2 or claim 3 tests system, feature exists
In：The configured differential-to-single-ended circuit in circuit board of difference carrier signal line is connected with radio frequency connector.
5. drawer type power wire broadband carrier communication network module as described in claim 1 tests system, it is characterised in that：Institute
It states in installation box body and is provided with tank chain, one end of tank chain is fixed on drawer, and the other end is mutually fixed with installation box body,
Radio-frequency cable is set in tank chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010161.4U CN207603639U (en) | 2017-08-11 | 2017-08-11 | Drawer type power wire broadband carrier communication network module tests system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010161.4U CN207603639U (en) | 2017-08-11 | 2017-08-11 | Drawer type power wire broadband carrier communication network module tests system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207603639U true CN207603639U (en) | 2018-07-10 |
Family
ID=62753302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721010161.4U Active CN207603639U (en) | 2017-08-11 | 2017-08-11 | Drawer type power wire broadband carrier communication network module tests system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207603639U (en) |
-
2017
- 2017-08-11 CN CN201721010161.4U patent/CN207603639U/en active Active
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