CN2446524Y - Transmission line measuring device - Google Patents
Transmission line measuring device Download PDFInfo
- Publication number
- CN2446524Y CN2446524Y CN 00250561 CN00250561U CN2446524Y CN 2446524 Y CN2446524 Y CN 2446524Y CN 00250561 CN00250561 CN 00250561 CN 00250561 U CN00250561 U CN 00250561U CN 2446524 Y CN2446524 Y CN 2446524Y
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- CN
- China
- Prior art keywords
- transmission line
- display unit
- line measurement
- measuring
- central processing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a transmission line measuring device, comprising a host machine and an auxiliary machine. When a transmission line is inserted in the main and auxiliary machines, a central processing unit in the host machine orderly sends a measuring signal and sends a pulse signal to the inner part of the auxiliary machine; when a loop of a second display unit of the auxiliary machine is in a grounding state, current can be sent to the host machine by the grounding state; thus, the utility model orderly lights a first display unit and the and second display unit, achieving testing for a transmission line in a short time.
Description
The utility model relates to a kind of measurement mechanism, refer to measure especially the transmission line inner lead whether have open circuit, a kind of transmission line measurement mechanism of short circuit or line position wrong.
Generally when using a computer; after the computing machine output signal is run into by regular meeting; can't drive peripherals; or the signal that peripherals responded; computing machine also can't receive the situation of exclusive disjunction; this moment is except computer-internal software goes wrong, nothing more than being exactly that computing machine externally transmits or the transmission line generation problem of reception data, signal, or due to its internal short-circuit.
And the test mode of existing transmission line is after transmission line completes, respectively transmission line is connected on two testing tools, after transmission line is connected to two testing tools, two relative data transmissions of testing tool difference, whether the data of observing one another testing tool that testing tool receives pass again is correct, if correct, represents that promptly this transmission line is normal, if display data is incorrect, represent that promptly this transmission line has problem.Though, can learn by this test mode whether transmission line is normal, trouble comparatively in the test, and as in test, when problem is arranged, do not know that but inner which the bar lead of transmission line goes wrong.
So some insider utilizes straightforward procedure test, when measuring transmission line, transmission line is connected on the proving installation, simultaneously with the transmission line energising, if the light emitting diode (bulb) that transmission line one end is connected when not lighting, represents promptly that lead of transmission line inside has problem.Though, this test mode is simple, easy, but, when if light emitting diode has misoperation, but the lead no problem light emitting diode as transmission line inside does not but work, perhaps the transmission line inner lead has problem but this light emitting diode when taking place because of being subjected to external short circuit situation such as to be lighted, and will cause the tester to judge by accident, causes underproof transmission line listing.
Fundamental purpose of the present utility model is to solve above-mentioned traditional disappearance, provide a kind of utilization to light the metering system (but being not limited thereto) of nine lamps with nine lines, measure the transmission line inner lead whether have open circuit, the transmission line measurement mechanism of short circuit or line position wrong.
Another purpose of the present utility model is to provide a kind of and in blink, finishes the transmission line measurement mechanism of the test of a transmission lines at the utmost point.
When the utility model is plugged on the major and minor machine at transmission line, CPU (central processing unit) in this main frame is sent pulse signal in regular turn, pulse signal will be delivered to secondary machine inside, when second display unit of secondary machine has the one loop to be ground state, utilize this ground state, can allow current reflux in main frame, so, light first display unit and second display unit in regular turn, get final product the utmost point in blink, finish the test of a transmission lines.
Effect of the present utility model is: can in the utmost point blink, finish the test of a transmission lines, and can know that inner which the bar lead of this transmission line goes wrong.
Below be description of drawings of the present utility model:
Fig. 1 is a measurement mechanism winding schematic diagram of transmission lines of the present utility model.
Fig. 2 is a measurement mechanism circuit box synoptic diagram of the present utility model.
Fig. 3 is the host circuit conspectus of Fig. 2.
Fig. 4 is the secondary machine circuit conspectus of Fig. 2.
Fig. 5 is a measured waveform synoptic diagram of the present utility model.
Below in conjunction with accompanying drawing the utility model is described in detail.
As shown in Figure 1, transmission line measurement mechanism of the present utility model is made of a main frame 1 and a secondary machine 2, the connector 11 that respectively has the different transmission lines 3 of identical winding on aforesaid main frame 1 and the secondary machine 2,11 ', 21,21 ', be plugged in aforesaid connector 11,21 at transmission line 3, and light the metering system (but being not limited thereto) of nine lamps with nine lines, whether measure aforesaid transmission line 3 inner leads has and opens circuit short circuit or line position wrong.
See also shown in Fig. 2,3,4, foregoing main frame includes a power supply unit 12, a CPU (central processing unit) 13, first display unit 14, and secondary machine 2 then is made up of one second display unit 22.
The power supply unit 12 of above-mentioned main frame 1 mainly provides circuit at different levels required power supply;
This CPU (central processing unit) 13, there is Control Software, the measuring-signal of (or non-remove 2) is stored in the storer (not shown) of CPU (central processing unit) 13 inside simultaneously each of A～I shown in Figure 5 to be removed 2, and each measuring-signal output terminal of CPU (central processing unit) 13 is connected in the connector 11,11 ' of different pin numbers, when the test transmission line, this CPU (central processing unit) 13 can be sent aforesaid 2 measuring-signals that remove;
This first display unit 14 be made of a plurality of light emitting diodes (LED), and each light emitting diode one end all is connected on the pulse output end of CPU (central processing unit) 13;
When transmission line 3 is plugged in the connector 11 of main frame 1 and the connector 21 of secondary machine 2, or during the connector 21 ' of the connector 11 ' of main frame 1 and secondary machine 2, and after power supply unit 12 power supplies, the CPU (central processing unit) 13 of this main frame 1 can send as shown in Figure 5 pulse to the secondary machine 2 in regular turn, after CPU (central processing unit) 13 internal storages are whenever sent a measuring-signal, the timer (not shown) of these CPU (central processing unit) 13 inside just subtracts 1 counting action from action, when measuring-signal is delivered to second display unit 22 of secondary machine 2 inside and is lighted first light emitting diode, remaining light emitting diode all is considered as ground state, so the electric current of secondary machine 2 can be back in the main frame 1 by this ground connection, thereby can light first, two display units 14, first light emitting diode of 22, so, lighted each light emitting diode in 0.25 second in regular turn with every interval, because above-mentioned measuring-signal is a continuous noble potential (HI) and an electronegative potential (LOW), so first, the light emitting diode that two display units are lighted is the fast blink phenomenon, but because human vision persists relation, can feel that the light emitting diode of being lighted is lighted always, up to first, two display units 14, after 22 light emitting diode is all lighted, can finish the test of a transmission lines 3.
In when test,, promptly represent transmission line 3 inner these wire breaks above-mentioned if when first display unit 14 and 22 corresponding light emitting diodes of second display unit are not lighted; If when the anti-order of first display unit 14 and 22 corresponding light emitting diodes of second display unit is lighted (as being lighted earlier), represent that promptly the lead of transmission line 3 inside has the position of jumping or connects anti-problem by the 9th light emitting diode; If 22 of first display unit 14 and second display units are corresponding but when not lighted simultaneously according to two light emitting diodes of lighting order, represent that promptly the lead of transmission line 3 inside has short circuit phenomenon.
Therefore, lighting the test mode of first display unit 14 and 22 corresponding each light emitting diodes of second display unit in regular turn, measurement transmission line that can be accurately and fast is good or bad above-mentioned.
Claims (9)
1, a kind of transmission line measurement mechanism, it is characterized in that this device includes: a main frame, it has a CPU (central processing unit) and one first display unit that stores the measuring-signal that is used to test, and first display unit, one end then is connected on the measuring-signal output terminal of CPU (central processing unit); One secondary machine, it has one second display unit, and an end in second each loop of display unit all links together, the loop that second display unit that forms secondary machine allows electric current flow back to when the one loop is arranged for ground state.
2, transmission line measurement mechanism as claimed in claim 1 is characterized in that: this main frame more includes a power supply unit that the required power supply of each circuit is provided.
3, transmission line measurement mechanism as claimed in claim 1 is characterized in that: the stored measuring-signal of this CPU (central processing unit) is for removing 2 or non-2 the measuring-signal that removes.
4, transmission line measurement mechanism as claimed in claim 3 is characterized in that: this CPU (central processing unit) inside is provided with the storer that stores measuring-signal.
5, as claim 1 or 3 described transmission line measurement mechanisms, it is characterized in that: 1 counter of counting is made to subtract after being provided with measuring-signal of every conveying in this CPU (central processing unit) inside.
6, as claim 1 or 3 described transmission line measurement mechanisms, it is characterized in that: the connector that all connects different pin numbers on the measuring-signal output terminal of this CPU (central processing unit).
7, transmission line measurement mechanism as claimed in claim 1 is characterized in that: this first display unit is constituted by a plurality of light emitting diodes.
8, transmission line measurement mechanism as claimed in claim 1 is characterized in that: this second display unit is constituted by a plurality of light emitting diodes, and is parallel with a diode in each light emitting diode.
9, transmission line measurement mechanism as claimed in claim 8 is characterized in that: this light emitting diode one end is connected in the connector of different pin numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00250561 CN2446524Y (en) | 2000-09-06 | 2000-09-06 | Transmission line measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00250561 CN2446524Y (en) | 2000-09-06 | 2000-09-06 | Transmission line measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446524Y true CN2446524Y (en) | 2001-09-05 |
Family
ID=33608717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00250561 Expired - Fee Related CN2446524Y (en) | 2000-09-06 | 2000-09-06 | Transmission line measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446524Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710058A (en) * | 2018-08-01 | 2018-10-26 | 中铁建电气化局集团南方工程有限公司 | Transmit the tester and test method of Digital Distribution Frame |
-
2000
- 2000-09-06 CN CN 00250561 patent/CN2446524Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710058A (en) * | 2018-08-01 | 2018-10-26 | 中铁建电气化局集团南方工程有限公司 | Transmit the tester and test method of Digital Distribution Frame |
| CN108710058B (en) * | 2018-08-01 | 2023-10-13 | 中铁建电气化局集团南方工程有限公司 | Tester and testing method for transmission digital distribution frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |