CN204946331U - A kind of communication facilities and the system of simplification multipath signal propagation passage comprised thereof - Google Patents
A kind of communication facilities and the system of simplification multipath signal propagation passage comprised thereof Download PDFInfo
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- CN204946331U CN204946331U CN201520594806.8U CN201520594806U CN204946331U CN 204946331 U CN204946331 U CN 204946331U CN 201520594806 U CN201520594806 U CN 201520594806U CN 204946331 U CN204946331 U CN 204946331U
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Abstract
The utility model relates to communication technical field, the system of simplification multipath signal propagation passage particularly relating to a kind of communication facilities and comprise.This system comprises: n signal transmitting module, for sending n railway digital signal; Signal gathering module, is connected with n signal transmitting module respectively, n railway digital signal gathering is become a road simulating signal and exports; Signal solution convergence module, connection signal convergence module, carries out the output of n road after simulating signal being reverted to n railway digital signal; Wherein, n is positive integer.This system by after multiple signals are pooled a road signal on backboard, then is reduced into multiple signals and exports on main control card, thus the design realizing backboard and main control card is comparatively simple, reduces design cost, and to be also that the maintenance in later stage provides convenient simultaneously.
Description
Technical field
The utility model relates to communication technical field, the system of simplification multipath signal propagation passage particularly relating to a kind of communication facilities and comprise.
Background technology
In signals transmission, backboard is connected with main control card usually, and the value volume and range of product of the business processed according to specific needs connects different service cards on backboard, service card also needs according to concrete business configuration and on service card, arranges multiple slot sometimes.Under working state of system, the signal demand in service card is transmitted to main control card by the line position on backboard, and the signal in the slot namely in multiple service card and each service card all needs by the line position on backboard, to main control card signal transmission.
Point-to-point signal transmission passage is adopted between current main control card and service card, Fig. 1 be in prior art multiple service card by the line position of the hardware on the backboard schematic diagram to main control card transmission signal, as shown in Figure 1, each service card 2 all has a bars transmission channel on backboard 3, when service card 2 has comparatively multi-groove time, each slot on service card 2 also will corresponding to backboard 3 one signal transmission passages, the i.e. line position of a hardware, it can thus be appreciated that, when service card 2 quantity is more or slot on service card 2 is more time, line position on backboard 3 also can increase thereupon.
Adopt this point-to-point signal transmission form, also need on main control card 1, to be provided with multiple pin with the number of signals of the line position transmission on corresponding service card 2 or backboard 3, signal on each service card 2, pin on an equal corresponding main control card 1, quantity or the slot of service card 2 are more, on backboard 3, the sum of signal is more, the pin that main control card 1 needs is also more, backboard 3 will be more complicated with the project organization of main control card 1, design cost can corresponding increase, simultaneously also for the maintenance in later stage brings many inconvenience.
Utility model content
For the problems referred to above existed in existing system, a kind of system simplifying multipath signal propagation passage is now provided, this system by after pooling a road signal on backboard by multiple signals, on main control card, be reduced into multiple signals again export, thus the design realizing backboard and main control card is comparatively simple, reduce design cost, simultaneously also for the maintenance in later stage provide convenient.
The purpose of this utility model is achieved through the following technical solutions:
Simplify a system for multipath signal propagation passage, described system comprises:
N signal transmitting module, for sending n railway digital signal;
Signal gathering module, is connected with a described n signal transmitting module respectively, so that described n railway digital signal gathering is become a road simulating signal and exports;
Signal solution convergence module, connects described signal gathering module, after described simulating signal is reverted to n railway digital signal, carry out the output of n road;
Wherein, n is positive integer.
Further improvement opportunity scheme, each described signal transmitting module is all for sending a railway digital signal, and each described signal transmitting module includes:
A tri-state gate circuit, the corresponding railway digital signal input of described tri-state gate circuit; And
The input end of described tri-state gate circuit is connected with a power supply; The control Enable Pin of described tri-state gate circuit connects a corresponding described railway digital signal input; The output terminal of described tri-state gate circuit and described signal gathering model calling, in order to export a railway digital signal.
Further improvement opportunity scheme, described signal gathering module comprises:
The resistance that quantity is mated with described tri-state gate circuit, for generation of analog current signal; And
The output terminal of tri-state gate circuit described in each is all connected a described resistance, is connected after resistance place branch road described in each being carried out parallel connection with described signal solution convergence module.
Further improvement opportunity scheme, each described signal transmitting module all connects resistance described in one; And
The resistance of the resistance connected described in the n-th signal transmitting module is R/2
(n-1), the resistance of resistance of described R for connecting described in the 1st signal transmitting module.
Further improvement opportunity scheme, described signal solution convergence module comprises:
Modulus conversion chip, with described signal gathering model calling, for converting described analog current signal to digital signal.
Further improvement opportunity scheme, described modulus conversion chip is preset with reference current value; And
Described modulus conversion chip by described analog current signal is compared with described reference current value, to convert described analog current signal to digital signal, and
When the value of described analog current signal is greater than described reference current value, then the described digital signal changed is high level; When the value of described analog current signal is less than described reference current value, then the described digital signal changed is low level.
Further improvement opportunity scheme, described reference current value is V
cC/ R, wherein V
cCfor supply voltage.
A kind of communication facilities, comprises the system of the simplification multipath signal propagation passage described in above-mentioned any one.
Further improvement opportunity scheme, comprises main control card, a n service card, backboard, and described main control card and a described n service card are connected with described backboard by the slot that described backboard is arranged.
Further improvement opportunity scheme, described signal solution convergence module is arranged on described main control card; And/or
A described n signal transmitting module respectively correspondence is arranged on n service card; And/or
Described signal gathering module installation is on described backboard.
The beneficial effects of the utility model are:
The utility model by after multiple signals are pooled a road signal by signal gathering module, then is reduced into multiple signals output at signal solution convergence module, accelerates the transmission speed of signal.
Multiple pins on main control card reduce by the utility model, decrease the contact engaging and separating force on pin, the design really realizing backboard and main control card is comparatively simple, reduces design cost, also do not affect the communication between main control card and each service card, simultaneously also for the maintenance in later stage provide convenient.
Accompanying drawing explanation
Fig. 1 is the multiple service card of prior art by the line position of the hardware on the backboard schematic diagram to main control card transmission signal;
Fig. 2 is a kind of structural representation simplifying the system embodiment of multipath signal propagation passage of the utility model;
Fig. 3 is a kind of circuit connection diagram simplifying the system embodiment of multipath signal propagation passage of the utility model.
Embodiment
It should be noted that, when not conflicting, following technical proposals, can combine between technical characteristic mutually.
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described:
Fig. 2 is a kind of structural representation simplifying the system of multipath signal propagation passage of the utility model, as shown in Figure 2, a kind of system simplifying multipath signal propagation passage, system can comprise:
N signal transmitting module 4, for sending n railway digital signal;
Signal gathering module 5, connects n signal transmitting module 4 respectively, becomes a road simulating signal, and export with n railway digital signal gathering n signal transmitting module 4 sent;
Signal solution convergence module 6, connection signal convergence module 5, carries out the output of n road after simulating signal being reverted to n railway digital signal, and wherein n is positive integer.
Signal can be sent to signal gathering module 5 by n signal transmitting module 4, the n road signal gathering sended over is become a road signal by signal gathering module 5, and this road signal converged is sent to signal solution convergence module 6, the road simulating signal that signal solution convergence module 6 will send is removed and is converged, and reverts to n railway digital signal and export.By setting up a signal gathering module 5, the digital signal on n road is pooled a road simulating signal, recover n railway digital signal by signal solution convergence module 6 again and export the wiring that can reduce needed for n railway digital Signal transmissions, reduce equipment cost, and decrease the signal attenuation because wiring problem causes.
Fig. 3 is a kind of circuit connection diagram simplifying the system of multipath signal propagation passage of the utility model.As shown in Figure 3, in the utility model preferred embodiment, each signal transmitting module is all for sending a railway digital signal, and each signal transmitting module 4 can comprise:
A tri-state gate circuit, the corresponding railway digital signal input of tri-state gate circuit; The input end of tri-state gate circuit is connected with a power supply; The control Enable Pin of tri-state gate circuit connects a corresponding railway digital signal input; The output terminal of tri-state gate circuit is connected with signal gathering module 5, in order to export a railway digital signal.
In the utility model preferred embodiment, when tri-state gate circuit is high-impedance state, the digital signal that the output terminal of triple gate exports can be " 0 ", and when tri-state gate circuit is path, the digital signal that the output terminal of triple gate exports can be " 1 ".
In the utility model preferred embodiment, signal gathering module 5 can comprise:
The resistance that quantity is mated with tri-state gate circuit, for generation of analog current signal; And
The output terminal of each tri-state gate circuit is all connected a resistance, and is connected with signal solution convergence module 6 after each resistance place branch road being carried out parallel connection.
In the present embodiment, each resistance place branch road carries out parallel connection, is connected on the main line after parallel connection with signal solution convergence module 6.
In the utility model preferred embodiment, each signal transmitting module 4 all connects a resistance, and the resistance of the resistance that the n-th signal transmitting module 4 connects is R/2
(n-1), R is the resistance of the resistance that the 1st signal transmitting module 4 connects.
In the present embodiment, corresponding sequence number is 1,2 ..., the resistance value of the resistance of the tri-state gate circuit of n respectively: R, R/2 ..., R/2
(n-1).
In the utility model preferred embodiment, the current value on main line in parallel is I, and wherein the relational expression of I is: I=V
cC/ R × (SIN
1+ 2 × SIN
2+ ... 2
(n-1)× SIN
n), wherein V
cCfor supply voltage, SIN
1, SIN
2sIN
nfor the value of the digital signal that tri-state gate circuit output terminal exports, be " 0 " or " 1 ".
In the utility model preferred embodiment, signal solution convergence module 6 can comprise:
Modulus conversion chip, is connected with signal gathering module 5, and for converting analog current signal to digital signal, and n road exports.
In the utility model preferred embodiment, modulus conversion chip is preset with reference current value, modulus conversion chip by analog current signal is compared with reference current value, to convert analog current signal to digital signal.
In the utility model preferred embodiment, reference current value is V
cC/ R, wherein V
cCfor supply voltage.
In the utility model preferred embodiment, when the value of analog current signal is greater than reference current value, then the digital signal changed is high level; When the value of analog current signal is less than described reference current value, then the digital signal changed is low level.
In the present embodiment, the current value of the branch road corresponding to the n-th branch road in each resistance can be V
cC/ R × 2
(n-1)× SIN
n, work as SIN
nvalue when being 0, then the value of current signal that signal solution convergence module 6 receives also is 0, then corresponding in multiple-channel output logical signal is 0, achieves the recovery of current signal; Otherwise work as SIN
nvalue when being 1 because reference current value is V
cC/ R, V
cC/ R × 2
(n-1)× SIN
nvalue must be greater than V
cC/ R's, so then corresponding in multiple-channel output logical signal is 1.
In the technical solution of the utility model, also comprise a kind of communication facilities, comprising the system of above-mentioned simplification multipath signal propagation passage.
In the utility model preferred embodiment, above-mentioned communication facilities can comprise main control card 1, a n service card 2, backboard 3, and main control card 1 and n service card 2 are connected with backboard 3 by the slot that backboard 3 is arranged.
In the utility model preferred embodiment, signal solution convergence module 6 can be arranged on main control card 1.
In the utility model preferred embodiment, n signal transmitting module 4 can correspondence be arranged on n service card 2 respectively.
In the utility model preferred embodiment, signal gathering module 5 can be arranged on backboard 3.
In the present embodiment, multiple signals are pooled a road signal by the signal gathering module 5 that backboard 3 increases can reduce line position on backboard 3, simultaneously because signal solution convergence module 6 receives only the signal converged on a road, as long as so main control card 1 is for this road Design of Signal pin, such design saves the design cost of backboard 3 and main control card 1.To sum up, after multiple signals are pooled a road signal by the signal gathering module 5 on backboard 3 by the utility model, then the signal solution convergence module 6 on main control card 1 is reduced into multiple signals output.Multiple pins on main control card 1 reduce by the utility model, decrease the contact engaging and separating force on pin, really realize backboard 3 comparatively simple with the design of main control card 1, reduce design cost, also do not affect the communication between main control card 1 and each service card 2, simultaneously also for the maintenance in later stage provide convenient.
By illustrating and accompanying drawing, giving the exemplary embodiments of the ad hoc structure of embodiment, based on the utility model spirit, also can do other conversion.Although above-mentioned utility model proposes existing preferred embodiment, but these contents are not as limitation.
For a person skilled in the art, after reading above-mentioned explanation, various changes and modifications undoubtedly will be apparent.Therefore, appending claims should regard the whole change and correction of containing true intention of the present utility model and scope as.In Claims scope, the scope of any and all equivalences and content, all should think and still belong in intention of the present utility model and scope.
Claims (10)
1. simplify a system for multipath signal propagation passage, it is characterized in that, described system comprises:
N signal transmitting module, for sending n railway digital signal;
Signal gathering module, is connected with a described n signal transmitting module respectively, so that described n railway digital signal gathering is become a road simulating signal and exports;
Signal solution convergence module, connects described signal gathering module, after described simulating signal is reverted to n railway digital signal, carry out the output of n road;
Wherein, n is positive integer.
2. the system of simplification multipath signal propagation passage according to claim 1, is characterized in that, each described signal transmitting module is all for sending a railway digital signal, and each described signal transmitting module includes:
A tri-state gate circuit, the corresponding railway digital signal input of described tri-state gate circuit; And
The input end of described tri-state gate circuit is connected with a power supply; The control Enable Pin of described tri-state gate circuit connects a corresponding described railway digital signal input; The output terminal of described tri-state gate circuit and described signal gathering model calling, in order to export a railway digital signal.
3. the system of simplification multipath signal propagation passage according to claim 2, is characterized in that, described signal gathering module comprises:
The resistance that quantity is mated with described tri-state gate circuit, for generation of analog current signal; And
The output terminal of tri-state gate circuit described in each is all connected a described resistance, is connected after resistance place branch road described in each being carried out parallel connection with described signal solution convergence module.
4. the system of simplification multipath signal propagation passage according to claim 3, is characterized in that, each described signal transmitting module all connects resistance described in one; And
The resistance of the resistance that the n-th signal transmitting module connects is R/2
(n-1), described R is the resistance of the resistance that the 1st signal transmitting module connects.
5. the system of simplification multipath signal propagation passage according to claim 1, is characterized in that, described signal solution convergence module comprises:
Modulus conversion chip, with described signal gathering model calling, for converting described analog current signal to digital signal.
6. the system of simplification multipath signal propagation passage according to claim 5, it is characterized in that, described modulus conversion chip is preset with reference current value; And
Described modulus conversion chip by described analog current signal is compared with described reference current value, to convert described analog current signal to digital signal, and
When the value of described analog current signal is greater than described reference current value, then the described digital signal changed is high level; When the value of described analog current signal is less than described reference current value, then the described digital signal changed is low level.
7. the system of simplification multipath signal propagation passage according to claim 6, is characterized in that, described reference current value is V
cC/ R, wherein V
cCfor supply voltage.
8. a communication facilities, is characterized in that, comprises the system as the simplification multipath signal propagation passage as described in arbitrary in claim 1-7.
9. communication facilities as claimed in claim 8, it is characterized in that, comprise main control card, a n service card, backboard, described main control card and a described n service card are connected with described backboard by the slot that described backboard is arranged.
10. communication facilities as claimed in claim 9, it is characterized in that, described signal solution convergence module is arranged on described main control card; And/or
A described n signal transmitting module respectively correspondence is arranged on n service card; And/or
Described signal gathering module installation is on described backboard.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594806.8U CN204946331U (en) | 2015-08-07 | 2015-08-07 | A kind of communication facilities and the system of simplification multipath signal propagation passage comprised thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594806.8U CN204946331U (en) | 2015-08-07 | 2015-08-07 | A kind of communication facilities and the system of simplification multipath signal propagation passage comprised thereof |
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|---|---|
| CN204946331U true CN204946331U (en) | 2016-01-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039042A (en) * | 2017-12-25 | 2018-05-15 | 上海昂丰装备科技有限公司 | A kind of digital and analogue signals transmission system and transfer approach |
-
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039042A (en) * | 2017-12-25 | 2018-05-15 | 上海昂丰装备科技有限公司 | A kind of digital and analogue signals transmission system and transfer approach |
| CN108039042B (en) * | 2017-12-25 | 2024-01-26 | 上海昂丰装备科技有限公司 | Digital-analog signal transmission system and transmission method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20190807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |