CN206948205U - A kind of network synthesis multiplexing equipment - Google Patents
A kind of network synthesis multiplexing equipment Download PDFInfo
- Publication number
- CN206948205U CN206948205U CN201720896610.3U CN201720896610U CN206948205U CN 206948205 U CN206948205 U CN 206948205U CN 201720896610 U CN201720896610 U CN 201720896610U CN 206948205 U CN206948205 U CN 206948205U
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- China
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- unit
- switch unit
- output
- network synthesis
- multiplexing equipment
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Abstract
The utility model discloses a kind of network synthesis multiplexing equipment.Including interface circuit, for connecting other external circuitses, wherein interface circuit includes transformer, voltage increase unit, positive switch unit, negative switch unit.Transformer is used to export first voltage, and connect voltage increase unit, voltage increase unit is used to lifting first voltage and being rectified into direct current signal, voltage increase unit one end connects positive switch unit, high potential lifting is exported to higher level by clamper, the voltage increase unit other end connects negative switch unit, by by low level clamper to lower level, low and high level is set to be relatively easy to processed unit Division identification, it is unlikely to obscure, so as to provide stable signal for equipment, reduce failure and interference.
Description
Technical field
A kind of communication equipment is the utility model is related to, more particularly to a kind of network synthesis multiplexing equipment.
Background technology
The equipment such as multiple computers, telephone set, facsimile machine can be connected on same network by network synthesis multiplexing equipment,
Realize that voice signal transmits on IP network by VOIP technologies, public switched telephone network PSTN and TP network connections are got up, from
And the function that voice call is carried out by Internet network is realized, there is the characteristics of capacity is small powerful.In the market
In general network synthesis multiplexing equipment exist builtin voltage output it is unstable, cause multiplexer internal circuit power supply instability, meeting
Produce failure or the phenomenon restarted.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of network synthesis multiplexing equipment,
By the voltage that a kind of output of interface circuit is stable, so as to provide stable signal for processing unit.
To achieve the above object, the utility model provides following technical scheme：
A kind of network synthesis multiplexing equipment, including interface circuit, the interface circuit are used to connect other external circuitses, institute
Stating interface circuit includes
Transformer, for exporting first voltage；
DC output unit, it connects the secondary and defeated for becoming direct current to the first voltage of the transformer
Go out；
Positive switch unit, it connects an output end of DC output unit, and in the DC output unit
The output end is accessed into external equipment during output；
Negative switch unit, it connects another output end of DC output unit, and in the direct current output list
The output end is accessed into external equipment during member output.
Of the present utility model to be further arranged to, the DC output unit is rectification circuit, is gone here and there successively by 4 diodes
Join, be formed in parallel, two inputs connect the both ends of secondary transformer respectively, and output end connects positive switch unit and connected
External power source VCC, another output end connect negative switch unit and connect GND ends.
Of the present utility model to be further arranged to, the positive switch unit includes resistance R1 and triode, resistance R1 mono-
End connection external power source, the emitter stage of other end connecting triode, the colelctor electrode connection external circuit A of triode.
Of the present utility model to be further arranged to, the negative switch unit includes resistance R2 and triode, resistance R2 mono-
Terminate GND ends, another termination transistor emitter, the colelctor electrode connection external circuit B of triode.
Network synthesis multiplexing equipment of the present utility model to be further arranged to, described, in addition to front panel, on front panel
There are some VOIP passages, be RJ45 interfaces, one group of each two is sequentially arranged on panel, and front panel also includes power interface and connect
Ground terminal.
Network synthesis multiplexing equipment of the present utility model to be further arranged to, described, in addition to rear board, it is described behind
There are LAN interface and wan interface, debugging port and some alarm indicators on plate.
Beneficial effect：Network synthesis multiplexing equipment of the present utility model uses a kind of interface circuit, passes through the electricity to input
The amplification of pressure signal, it is rectified into direct current, then clamper is on higher or relatively low level so that the high level and low level of output have
Obvious height is distinguished, and is not easy to be obscured by equipment, stable beneficial to equipment, reduces fault rate.
Brief description of the drawings
Fig. 1 is interface circuit figure；
Fig. 2 is network synthesis multiplexing equipment front-panel structure view；
Fig. 3 is network synthesis multiplexing equipment rear panel structure view.
Embodiment
The utility model is described in further detail below in conjunction with the embodiment given by accompanying drawing.
Reference picture 1, a kind of network synthesis multiplexing equipment in the present embodiment, including interface circuit 1, for connecting outside other
Circuit, including transformer 11 are connect, for exporting first voltage；DC output unit 12, its connect transformer 11 secondary and
For being lifted to first voltage；Positive switch unit 13, connects an output end 121 of DC output unit 12, and uses
In the output end 121 is accessed into external equipment when the DC output unit 12 exports；Negative switch unit 14, it is connected
Another output end 122 of DC output unit, and be used for the output end 122 when the DC output unit 12 exports
Access external equipment.
By using above-mentioned technical proposal, the signal voltage of input power can be become by transformer 11 and be pressed onto certain model
In enclosing, reprocessing output DC voltage, and the hot end of the DC voltage of output and cold end difference clamper is higher
Or lower level so that low and high level has obvious difference and can identified by external circuit, is provided surely for external circuit
Fixed voltage, prevent from, because low and high level distinguishes unobvious, making processor not identify correctly, causing failure to restart or disturb.
To achieve the above object, the DC output unit 12 in the present embodiment is rectification circuit, two of rectification circuit 12
Input connects the secondary of transformer 11 respectively, an output end 121 connection positive switch unit 13 of rectification circuit and external
Power supply, another output end 122 connection negative switch unit 14 of rectification circuit simultaneously connect GND.Rectification circuit 12 is through over commutation
Original exchange is become into direct current output after processing.
Further, rectification circuit is sequentially connected in series by 4 diodes, is formed in parallel, by the AC signal from transformer
Direct current signal after exporting as full-wave rectification.
As a kind of embodiment of the present embodiment, positive switch unit 13 includes resistance R1 and triode, resistance R1
One end connects external power source, the emitter stage of other end connecting triode, the colelctor electrode connection external circuit A of triode.Positive pole is opened
Close unit 13 to receive from rectified signal level, and connected with external power source VCC, connected by resistance R1 and switch triode
Connect, high potential clamper is output to A in relatively higher level.
As a kind of embodiment of the present embodiment, negative switch unit 14 includes resistance R2 and triode, resistance R2
Connecting triode emitter stage, negative switch unit 14 1 terminates an output end of rectification circuit and connects GND ends, outside another termination
Portion circuit B, negative switch unit 14 makes output voltage very little by earth terminal, then is connected by resistance R2 with switch triode,
It is the output voltage clamper of very little is horizontal in a smaller level so that output high level and low level difference are obvious.To be outer
Portion's circuit provides the signal B of the stabilization easily identified.
Reference picture 2, there are some VOIP passages on the front panel 2 of integrated network multiplexing equipment, be RJ45 interfaces, each two one
Group is sequentially arranged on front panel 2, and wherein VOIP passages are more, and the voice speech channel provided is more.Each RJ45 interface classes
The VOIP passages of type provide 4 road voice signals, can realize that voice signal transmits on IP network by connecting the interface.Front panel
2 also include power interface 22 and ground terminal 23, can be guided the electrostatic on shell by ground connection.
Reference picture 3, there are LAN interface 31 and wan interface 32, debugging port 33 on the rear board 3 of integrated network multiplexing equipment
And some alarm indicators 34.LAN and wide area network can be connected, alarm indicator can be used for the event of some functions of equipment
Barrier instruction.
In summary, the network synthesis multiplexing equipment of the present embodiment, input signal rectification is amplified by interface circuit and clamped
Position, there is provided the flat output of galvanic current, better quality, safety and reliability.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of network synthesis multiplexing equipment, including interface circuit (1), the interface circuit (1) is used to connect other external electricity
Road；Characterized in that, the interface circuit (1) includes
Transformer (11), for exporting first voltage；
DC output unit (12), it connects the secondary of the transformer and for being lifted to the first voltage；
Positive switch unit (13), it connects an output end (121) for DC output unit (12), and in the direct current
The output end (121) is accessed into external equipment when output unit (12) exports；
Negative switch unit (14), it connects another output end (122) of DC output unit, and for defeated in the direct current
The output end (122) is accessed into external equipment when going out unit (12) output.
2. network synthesis multiplexing equipment according to claim 1, it is characterised in that the DC output unit (12) is whole
Current circuit, be sequentially connected in series, be formed in parallel by 4 diodes, two inputs connect respectively secondary transformer both ends (111,
112), output end (121) connects positive switch unit (13) and connects external power source VCC, and another output end (122) connection is negative
Pole switch element (14) and connect GND ends.
3. network synthesis multiplexing equipment according to claim 1, it is characterised in that the positive switch unit (13) includes
Resistance R1 and triode, resistance R1 one end connection external power source VCC, the emitter stage of other end connecting triode, the collection of triode
Electrode connection external circuit A.
4. network synthesis multiplexing equipment according to claim 1, it is characterised in that the negative switch unit (14) includes
Resistance R2 and triode, resistance R2 mono- terminate GND ends, another termination transistor emitter, the colelctor electrode connection outside of triode
Circuit B.
5. network synthesis multiplexing equipment according to claim 1, it is characterised in that also including front panel (2), it is described before
There are some VOIP passages on plate (2), be RJ45 interfaces, one group of each two is sequentially arranged on panel, and front panel (2) also includes electricity
Source interface (22) and ground terminal (23).
6. network synthesis multiplexing equipment according to claim 1, it is characterised in that also including rear board (3), it is described behind
There are LAN interface (31) and wan interface (32), debugging port (33) and some alarm indicators (34) on plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896610.3U CN206948205U (en) | 2017-07-21 | 2017-07-21 | A kind of network synthesis multiplexing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896610.3U CN206948205U (en) | 2017-07-21 | 2017-07-21 | A kind of network synthesis multiplexing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948205U true CN206948205U (en) | 2018-01-30 |
Family
ID=61370535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720896610.3U Expired - Fee Related CN206948205U (en) | 2017-07-21 | 2017-07-21 | A kind of network synthesis multiplexing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802572A (en) * | 2019-01-28 | 2019-05-24 | 深圳市航天新源科技有限公司 | A kind of power router and its control method |
| CN110677545A (en) * | 2019-09-29 | 2020-01-10 | 浙江恒捷通信科技有限公司 | PCM comprehensive multiplexing equipment with stable conversation |
-
2017
- 2017-07-21 CN CN201720896610.3U patent/CN206948205U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802572A (en) * | 2019-01-28 | 2019-05-24 | 深圳市航天新源科技有限公司 | A kind of power router and its control method |
| CN109802572B (en) * | 2019-01-28 | 2021-01-12 | 深圳市航天新源科技有限公司 | Power router and control method thereof |
| CN110677545A (en) * | 2019-09-29 | 2020-01-10 | 浙江恒捷通信科技有限公司 | PCM comprehensive multiplexing equipment with stable conversation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200721 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |