CN201397370Y - A/V detecting wire - Google Patents
A/V detecting wire Download PDFInfo
- Publication number
- CN201397370Y CN201397370Y CN2009201518900U CN200920151890U CN201397370Y CN 201397370 Y CN201397370 Y CN 201397370Y CN 2009201518900 U CN2009201518900 U CN 2009201518900U CN 200920151890 U CN200920151890 U CN 200920151890U CN 201397370 Y CN201397370 Y CN 201397370Y
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- cable
- audio frequency
- circuit
- measured
- main frame
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses an A/V detecting wire, comprising a transmission having a time sequence distribution controller consisting of IC therein and connected to one end of a cable to be detectedthrough a connector, for transmitting the near-end test signals and displaying status; and a receiving unit having a time sequence distribution detection circuit therein and connected to the other endof the cable to be detected through the connector, for receiving the near-end test signals from the transmission host and displaying the connection/disconnection quality status of the cable to be detected. The utility model is adapted to the connection/disconnection quality detection of weak current engineering cables, such as audio, video, network and telephone wire and capable of detecting theconnection/disconnection quality of the cables fast and exactly, and has low cost, simple operation and wide application.
Description
Technical field
The survey line device of a kind of automatic inspection line cable of the utility model break-make quality, particularly a kind of intelligent audio frequency and video survey line device.
Background technology
The survey line device is manufacture a finished product an indispensable testing tool in check, merchandise sales examination, the engineering construction testing of light current cable.Be applicable to light-current engineering construction and check; Audio frequency and video, network, telephone wire manufacturer finished product detection; Commodity inspection and examination in the product commercial distribution activity; Audio ﹠ video equipment has the check of carrying and system maintenance etc.
The numerous types of cable and numerous and diverse, for example: audio frequency and video wire rod, disparate networks wire rod and connector are of a great variety, connector branch ' pin type ' and ' pass ' (being commonly called as: ' public type ' and ' parent form ') of connecting with these wire rods, usually, the pin type is a signal output terminal, and pass is a signal input terminal.The method of inspection of cable is very original in the prior art, has mechanically adopted electronic loop break-make method of inspection.That is, opening circuit to constitute current return, signal can not lead to load, i.e. open circuit; The short-circuit signal load of still can not leading to, but signal source will provide maximum electric current, may damage other relevant with it equipment; Use the color of every line to differentiate the line preface of each bar.
In actual engineering, manufacturer is to the finished product technology for detection of audio frequency and video line and disparate networks line, the product commercial distribution is picked up and is tested, in the activities such as light-current engineering construction threading quality test, all utilize multimeter that each the bar line in the cable (comprising connector) is tested one by one, to judge whether all lines in the cable have short circuit or open circuit fault, judge that with the color of line whether line to existing dislocation, especially in audio frequency and video, in the generic cabling engineering, cable had penetrated in piping shaft or the sandwich wall already, the cable two ends are not all at same position, check trivial operations in this way, accuracy is not high, and testing efficient is lower.
The utility model content
The utility model is in order to overcome defective in the above-mentioned prior art, to utilize sequential dispensing controller integrated circuit and short-circuit protection, can test accurately and fast and checks multiple sound, video line.
Audio frequency and video survey line device of the present utility model comprises: the emission main frame, include the sequential dispensing controller of forming by integrated circuit, and the emission main frame is connected with cable one terminal adapter to be measured, is used for emission of near-end test signal and state and shows; Receiving element includes sequential and distributes testing circuit, and receiving element is connected with the other end connector of cable to be measured, the break-make quality state that is used to receive the near-end test signal of self-emission main frame and shows cable to be measured.
In the technique scheme, sequential dispensing controller circuit specifically comprises: signal generating circuit is used to produce detection signal, and is transported to an end of cable by the output port of emission main frame; Sweep circuit is used for according to the detection signal that sends, respectively in an orderly manner to each bar of described cable to be measured or to the line connection signal, to judge the break-make quality state of cable to be measured.
In the technique scheme, the break-make quality state of cable to be measured comprises dislocation, short circuit or opens circuit.
In the technique scheme, emission also comprises 15 program-controlled electronic switches of hilted broadsword in the main frame and matches with it, light emitting diode that is connected in series and current-limiting resistance.
In the technique scheme, the survey line device also comprises: first Convertion cable, and the one end is suitable with the output terminal of emission main frame, and the input end of the other end and cable to be measured is suitable; Second Convertion cable, the output terminal of one end and cable to be measured is suitable, and the input end of the other end and receiving element is suitable.First and second Convertion cable can dispose the large and small three core joints of 15 pin VGA joints, audio frequency CANNON joint or audio frequency respectively.
In the technique scheme, also comprise attached reference power supply and the time base circuit that includes the time schedule controller of forming by integrated circuit in the emission main frame.
Compared with prior art, the utility model audio frequency and video survey line device is by emission main frame, receiving element and related circuit in it is set, and can quick and precisely detect cable automatically, and is widely applicable, with low cost and easy to operate.
Description of drawings
Fig. 1 is the utility model audio frequency and video survey line device schematic appearance (wherein, 1-A is the emission main frame, and 1-B is a receiving element, and 1-C is first Convertion cable, and 1-D is second Convertion cable);
Fig. 2 is the utility model audio frequency and video survey line device measurement system diagram (direction of arrow is to direction interpolation among the figure);
Fig. 3 is the utility model audio frequency and video survey line device circuit theory synoptic diagram.
Mark the following drawings mark in conjunction with the accompanying drawings:
1-launches main frame, the 2-receiving element, and 3-first Convertion cable, 4-second Convertion cable, 5-cable to be measured, 11-launches host output end, 21-receiving element input end.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.
As Fig. 1, shown in Figure 2, audio frequency and video survey line device of the present utility model comprises emission main frame 1 and receiving element 2, treat all lines (for example 1-15 core of VGA line) in the survey line cable by emission main frame 1, send signal respectively in an orderly manner, and switch according to the order of sequence with the method for electronics autoscan, (promptly the sequence number on the receiving element is the 1-15 pilot lamp among the figure to be furnished with fault display dial interface on receiving element 2, certainly also can use electronic display unit to carry out state herein shows), thus can be quick, the dislocation that detects each root exactly or whether line is existed, short circuit or open circuit quality state and fault.Be the dissimilar audio frequency and video cable of adaptive testing, also can comprise first Convertion cable 3 and second Convertion cable 4.Wherein, an end of first Convertion cable 3 is suitable with emission host output end 11, and the input end of the other end and cable to be measured is suitable; One end of second Convertion cable 4 and the output terminal of cable to be measured are suitable, and the other end and receiving element input end 21 are suitable.By on Convertion cable, disposing dissimilar audio frequency and video joints (for example: CANNON, big or small three cores etc.) or network, telephone line joint, can realize the test of polytype cable.
Emission main frame 1 and receiving element 2 all are furnished with signal generation, output, display circuit.Emission is provided with reference power supply, time base circuit, the sequential dispensing controller integrated circuit of 9V in the main frame 1, by multiple light emitting diode, current-limiting resistance and corresponding with the sender unit monitoring device that line jack is formed.Wherein, sequential dispensing controller integrated circuit specifically comprises signal generating circuit, is used to send detection signal; Sweep circuit is used for the detection signal that sends according to above-mentioned, treats each bar of survey line cable 5 respectively in an orderly manner or to the line connection signal, with the break-make quality state of judging cable 5 to be measured (comprise dislocation, short circuit or open circuit).Come the signal of self-emission main frame 1 15 electronic switch integrated circuit of hilted broadsword through a time control, treat in an orderly manner respectively in the survey line cable 5 each bar or to the line connection signal, to judge its loop state, and indicate the quality state of every line with display dial, promptly show dislocation, the short circuit of each line in the cable or the state that opens circuit.When wired short circuit, current-limiting resistance inserts automatically, shows short-circuit condition, avoids damaging the output circuit of survey line device.
Be example with 15 pin VGA cables below, further specify the test process of audio frequency and video survey line device of the present utility model:
If test other types cable only needs to change special-purpose Convertion cable and gets final product.
Audio frequency and video survey line device of the present utility model is by emission main frame, receiving element and be included in the sequential dispensing controller integrated circuit of being made up of integrated circuit in the emission main frame, can detect cable automatically, widely applicable, with low cost, detect quick and precisely, be particularly suitable for the one man operation of light current audio frequency and video working-yard.
More than disclosed only be a specific embodiment of the present utility model, still, the utility model is not limited thereto, any those skilled in the art can think variation all should fall into protection domain of the present utility model.
Claims (7)
1. an audio frequency and video survey line device is characterized in that, comprising:
The emission main frame includes the sequential dispensing controller of being made up of integrated circuit, and described emission main frame is connected with cable one terminal adapter to be measured, is used for emission of near-end test signal and state and shows;
Receiving element includes sequential and distributes testing circuit, and described receiving element is connected with the other end connector of cable to be measured, is used to receive the near-end test signal of self-emission main frame, and shows the break-make quality state of cable to be measured.
2. audio frequency and video survey line device according to claim 1 is characterized in that, described sequential dispensing controller circuit comprises:
Signal generating circuit is used to produce detection signal, and is transported to an end of cable by the output port of described emission main frame;
Sweep circuit is used for the detection signal that sends according to described, respectively in an orderly manner to each bar of described cable to be measured or to the line connection signal, to judge the break-make quality state of described cable to be measured.
3. audio frequency and video survey line device according to claim 1 and 2 is characterized in that the break-make quality state of described cable to be measured comprises dislocation, short circuit or opens circuit.
4. audio frequency and video survey line device according to claim 2 is characterized in that, also comprises 15 program-controlled electronic switches of hilted broadsword, and light emitting diode that matches with it, be connected in series and current-limiting resistance.
5. audio frequency and video survey line device according to claim 1 and 2 is characterized in that, also comprises:
First Convertion cable, the output terminal of one end and described emission main frame is suitable, and the input end of the other end and cable to be measured is suitable;
Second Convertion cable, the output terminal of one end and described cable to be measured is suitable, and the input end of the other end and described receiving element is suitable.
6. audio frequency and video survey line device according to claim 5 is characterized in that, described first and second Convertion cable disposes the large and small three core joints of 15 pin VGA joints, audio frequency CANNON joint or audio frequency respectively.
7. audio frequency and video survey line device according to claim 1 and 2 is characterized in that, in the described emission main frame, also comprises the attached reference power supply and the time base circuit that include the time schedule controller of being made up of integrated circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201518900U CN201397370Y (en) | 2009-04-27 | 2009-04-27 | A/V detecting wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201518900U CN201397370Y (en) | 2009-04-27 | 2009-04-27 | A/V detecting wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201397370Y true CN201397370Y (en) | 2010-02-03 |
Family
ID=41619889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201518900U Expired - Fee Related CN201397370Y (en) | 2009-04-27 | 2009-04-27 | A/V detecting wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201397370Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043112A (en) * | 2010-12-03 | 2011-05-04 | 苏晓峰 | Two-in-one audio line detector |
-
2009
- 2009-04-27 CN CN2009201518900U patent/CN201397370Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043112A (en) * | 2010-12-03 | 2011-05-04 | 苏晓峰 | Two-in-one audio line detector |
| CN102043112B (en) * | 2010-12-03 | 2012-11-14 | 苏晓峰 | Two-in-one audio line detector |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20170427 |