CN104780003A - Communication detector - Google Patents
Communication detector Download PDFInfo
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- CN104780003A CN104780003A CN201510136074.2A CN201510136074A CN104780003A CN 104780003 A CN104780003 A CN 104780003A CN 201510136074 A CN201510136074 A CN 201510136074A CN 104780003 A CN104780003 A CN 104780003A
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Abstract
The invention discloses a communication detector which comprises a housing as well as a single-chip microcomputer, an interface circuit, a bit synchronization module, an error code detection module, a display module, a keyboard input module, a display screen and a keyboard which are arranged in the housing, wherein an audio channel test device and a voltage-reducing resistor are fixedly mounted in the housing; a broadband signal lamp is fixedly mounted on the outer wall surface of the front side of the housing; an audio plug pin, a broadband signal jack and a broadband signal test switch are arranged at the bottom of the housing; two wiring ends of the audio plug pin are connected with an audio signal input interface of the audio channel test device; two wiring ends of the broadband signal jack are connected with the interface circuit and connected with the broadband signal lamp through the broadband signal test switch and the voltage-reducing resistor. The communication detector is reasonable in structure, greatly shortens the maintenance time and greatly reduces the equipment purchase cost, thereby having high practicality.
Description
Technical field
The application belongs to the improvement of signal-testing apparatus structure, particularly communication detector.
Background technology
2M, four lines, audio signal detector be applied to communication port test a kind of compact structure and application testing tool very widely, any communication equipment can be widely used in, the network equipment, protocol converter, the audio frequency four-wire channel test of the multiplexing or equipment such as the 2M signal testing of international standard that expands and PCM such as protection multiple connection box, it can test whether receive opposite equip. signal, to distinguish 2M, the receiving end of four lines and voice-grade channel and making a start, but room management personnel are at process 2M at present, some problem following is mostly there is: 1. due at equipment in early stage during the problem of four lines and audio signal, the 2M occurred in circuit installation process, four-wire channel mark is unclear, machine room operation maintenance personnel is caused to be had no way of doing it when finding channel, cause misconnection, 2. expensive compared to this equipment price at the 2M Error Detector being widely used on the market testing, affect it to widely apply, cause device resource nervous, operate relatively loaded down with trivial details, volume is comparatively large, is unfavorable for carrying, and is a short slab in the local battery durable ability that can not find AC power, can only depot repair and expensive when equipment breaks down, have impact on the operating efficiency of operation maintenance personnel greatly, 3. be applied to four lines at present, the equipment of voice-grade channel test also exists the problem being similar to 2M testing equipment, though testing telephone test is simply efficient, function is too simple, cannot be competent at more test assignments.
Summary of the invention
The object of the application is to provide a kind of communication detector, and it is rational in infrastructure, considerably reduces preventive maintenance time and equipment purchasing cost, practical.
The object of the application is achieved in that a kind of communication detector, the single-chip microcomputer comprising casing and arrange in casing, interface circuit, bit synchronization module, error code detection module, display module, input through keyboard module and the display screen arranged in the outside wall surface of casing positive side and keyboard, the signal port correspondence of single-chip microcomputer connects error code detection module, display module and input through keyboard module signal end separately, signal port corresponding interface circuit and the bit synchronization module signal end separately respectively of error code detection module, the signal input part of input through keyboard module connects the signal output part of keyboard, casing positive side outside wall surface is fixedly mounted with display screen and keyboard, the signal output part of display module connects the signal input part of display screen, also comprise voice-grade channel testing apparatus, voltage reducing resistor, broadband signal lamp, broadband signal Test Switchboard and audio-frequency test earphone, voice-grade channel testing apparatus and voltage reducing resistor is fixedly mounted with in casing, casing positive side outside wall surface is fixedly mounted with broadband signal lamp, at bottom of shell, audio frequency latch is set, broadband signal jack and broadband signal Test Switchboard, two terminals that audio frequency latch has connect the audio input interface of voice-grade channel testing apparatus, the signal input connecting line that audio-frequency test earphone has connects the audio signal output interface of voice-grade channel testing apparatus, the two terminals connecting interface circuit that broadband signal jack has and its two terminals had are by broadband signal Test Switchboard, voltage reducing resistor and broadband signal lamp and be interconnected.
The application is according to existing tone testing phone and standard 2M signal characteristic, the basis of original testing telephone circuit adds simple and easy 2M (Mega Bits) signal test circuit, by broadband signal lamp and voltage reducing resistor, broadband signal Test Switchboard simple and easy 2M signal test circuit in series, voltage reducing resistor can prevent broadband signal lamp from damaging because electric current is excessive, the object of control circuit break-make can be reached by broadband signal Test Switchboard, when 2M output signal exports termination incoming uwb signal jack when opening broadband signal Test Switchboard, can judge whether 2M signal exists according to the light on and off of broadband signal lamp, single-chip microcomputer, error code detection module etc. rely on signal cable powered operation, to carry out Error detection online by broadband signal jack.The application also has audio frequency latch in the basis instrument of original testing telephone circuit, conveniently connects any interface on voice distribution frame and fixes, and improves the testing efficiency of voice-grade channel testing apparatus.Certainly, the application also can be used for detection four line signal.The application is rational in infrastructure, considerably reduces preventive maintenance time and equipment purchasing cost, practical.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the application is described further.
Fig. 1 is the main TV structure schematic diagram of outward appearance of the application;
Fig. 2 is the circuit connection diagram of the simple and easy 2M signal test circuit of the application.
Embodiment
A kind of communication detector, as shown in Fig. 1, the single-chip microcomputer comprising casing 2 and arrange in casing 2, interface circuit, bit synchronization module, error code detection module, display module, input through keyboard module and the display screen 3 arranged in the outside wall surface of casing 2 positive side and keyboard 4, the signal port correspondence of single-chip microcomputer connects error code detection module, display module and input through keyboard module signal end separately, signal port corresponding interface circuit and the bit synchronization module signal end separately respectively of error code detection module, the signal input part of input through keyboard module connects the signal output part of keyboard 4, casing 2 positive side outside wall surface is fixedly mounted with display screen 3 and keyboard 4, the signal output part of display module connects the signal input part of display screen 3, also comprise voice-grade channel testing apparatus, voltage reducing resistor 9, broadband signal lamp 5, broadband signal Test Switchboard 6 and audio-frequency test earphone 1, voice-grade channel testing apparatus and voltage reducing resistor 9 is fixedly mounted with in casing 2, casing 2 positive side outside wall surface is fixedly mounted with broadband signal lamp 5, audio frequency latch 8 is set bottom casing 2, broadband signal jack 7 and broadband signal Test Switchboard 6, two terminals that audio frequency latch 8 has connect the audio input interface of voice-grade channel testing apparatus, the signal input connecting line that audio-frequency test earphone 1 has connects the audio signal output interface of voice-grade channel testing apparatus, as shown in Fig. 2, the two terminals connecting interface circuit that broadband signal jack 7 has and its two terminals had are by broadband signal Test Switchboard 6, voltage reducing resistor 9 and broadband signal lamp 5 and be interconnected.
Broadband signal lamp 5 is LED lamp.
Claims (2)
1. a communication detector, the single-chip microcomputer comprising casing (2) and arrange in casing (2), interface circuit, bit synchronization module, error code detection module, display module, input through keyboard module and the display screen (3) arranged in the outside wall surface of casing (2) positive side and keyboard (4), the signal port correspondence of single-chip microcomputer connects error code detection module, display module and input through keyboard module signal end separately, signal port corresponding interface circuit and the bit synchronization module signal end separately respectively of error code detection module, the signal input part of input through keyboard module connects the signal output part of keyboard (4), casing (2) positive side outside wall surface is fixedly mounted with display screen (3) and keyboard (4), the signal output part of display module connects the signal input part of display screen (3), it is characterized in that: also comprise voice-grade channel testing apparatus, voltage reducing resistor (9), broadband signal lamp (5), broadband signal Test Switchboard (6) and audio-frequency test earphone (1), voice-grade channel testing apparatus and voltage reducing resistor (9) is fixedly mounted with in casing (2), casing (2) positive side outside wall surface is fixedly mounted with broadband signal lamp (5), in casing (2) bottom, audio frequency latch (8) is set, broadband signal jack (7) and broadband signal Test Switchboard (6), two terminals that audio frequency latch (8) has connect the audio input interface of voice-grade channel testing apparatus, the signal that audio-frequency test earphone (1) has exports the audio signal output interface that connecting line connects voice-grade channel testing apparatus, the two terminals connecting interface circuit that broadband signal jack (7) has and its two terminals had are by broadband signal Test Switchboard (6), voltage reducing resistor (9) and broadband signal lamp (5) and be interconnected.
2. according to the communication detector described in claim 1, it is characterized in that: broadband signal lamp (5) is LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136074.2A CN104780003A (en) | 2015-03-26 | 2015-03-26 | Communication detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510136074.2A CN104780003A (en) | 2015-03-26 | 2015-03-26 | Communication detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104780003A true CN104780003A (en) | 2015-07-15 |
Family
ID=53621269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510136074.2A Pending CN104780003A (en) | 2015-03-26 | 2015-03-26 | Communication detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104780003A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786907A (en) * | 2017-12-11 | 2018-03-09 | 国网新疆电力有限公司乌鲁木齐供电公司 | Power communication special audio distributing frame testing cassete |
-
2015
- 2015-03-26 CN CN201510136074.2A patent/CN104780003A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107786907A (en) * | 2017-12-11 | 2018-03-09 | 国网新疆电力有限公司乌鲁木齐供电公司 | Power communication special audio distributing frame testing cassete |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150715 |