CN213600809U - 26-pin interface line tester - Google Patents

Abstract

The utility model provides a 26 line ware is surveyed to needle interface, relates to a survey line ware, in order to solve and utilize the universal meter to detect current public first connecting terminal in the circuit of laying, has the inaccurate problem of reading. The novel shell is of a quadrangular prism shape with openings at two ends, the insulating rubber pad is arranged at one opening end in the shell, one end of the shell provided with the insulating rubber pad is the front end, and the other end of the shell is the rear end; the 26-pin serial port socket is fixed on the outer side of the front end of the shell and is used for being butted with a male connector of a circuit to be tested or being inserted into the circuit to be tested; the N LED lamps are all arranged at the top of the shell, wherein N is a positive integer; 2N first test needles are parallelly embedded on the insulating rubber mat; every two first test needles are a set of, and the one end of every group first test needle links to each other with the both ends of 1 LED lamp respectively, and the other end of 2N first test needles links to each other respectively with 2N binding post of 26 pin serial ports sockets. The method has the advantage of accurate judgment of the detection result.

Description

26-pin interface line tester

Technical Field

The utility model relates to a line tester.

Background

The principle of PCM equipment is that an analog signal (such as a voice signal) is grafted to a 64kbps digital bit stream and is transmitted to an opposite end to be restored through a 2M link, and 30 paths of voice can be simultaneously grafted to 30 64kbps digital bit streams respectively and then transmitted through 1 path of 2M; in the connection process, the PCM needs to be connected with a corresponding audio distribution frame, so that the communication needs can be conveniently completed by connecting an opposite terminal and a local terminal, most PCM interfaces used in power communication are 26-pin male-female head interfaces, an equipment terminal is a female head, a line terminal is a male head, the male head terminal generally corresponds to a PCM female head port by taking digital wiring as a standard for connection, and then the digital wiring is driven into an audio module to realize the connection relation; and 26 public heads of needle need installer or fortune dimension personnel to weld by oneself in the installation of whole PCM, use the universal meter to detect welding quality after the welding usually, but because public first connecting terminal area is little, the problem that the reading is inaccurate often appears in the universal meter, often appears the circuit short circuit trouble behind erection equipment and laying the circuit, this can lead to the later maintenance difficulty, need will lay the circuit of accomplishing and withdraw and detect again and weld, cause time and manpower extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and utilizing the universal meter to detect time measuring to current public first connecting terminal in the circuit of laying, have the inaccurate problem of reading, provide a 26 needle interface survey line ware.

The utility model relates to a 26-pin interface wire tester, which comprises an insulating rubber mat, 2N first test pins, a 26-pin serial port socket, N LED lamps and a shell;

the shell is of a quadrangular prism shape with openings at two ends, the insulating rubber pad is arranged at one opening end in the shell, one end of the shell provided with the insulating rubber pad is a front end, and the other end of the shell is a rear end;

the 26-pin serial port socket is fixed on the outer side of the front end of the shell and is used for being butted with a 26-pin male head to be tested or directly inserted into a circuit to be tested;

the N LED lamps are all arranged at the top of the shell, wherein N is a positive integer;

the 2N first test needles are parallelly embedded on the insulating rubber mat; every two first test needles are a set of, and the one end of every group first test needle links to each other with the both ends of 1 LED lamp respectively, and the other end of 2N first test needles links to each other respectively with 2N binding post of 26 pin serial ports sockets.

The utility model discloses a 26 needle interface thread measuring apparatuss measures the application method of the circuit that awaits measuring does, insert the circuit that awaits measuring of a set of audio channel directly into 1 group of 26 needle serial ports sockets that terminal corresponds, if the LED lamp is bright, prove that the circuit that awaits measuring of this set of audio channel is normal, can continue to carry out the public head of welding 26 needles; if the LED lamp is not on, the to-be-tested line of the group of audio channels is proved to be abnormal, and the laid line needs to be withdrawn to be re-laid and detected; the 26-pin interface wire tester can simultaneously measure the to-be-tested lines of N groups of audio channels.

The utility model discloses a 26-pin interface thread measuring device measures the application method of 26-pin public heads to be tested and does, dock 26-pin serial ports socket with 26-pin public heads directly, if the LED lamp is bright, prove that 26-pin public heads are normal, the welding is accomplished; if the LED lamp is not on, the 26-pin male head welding proves to be problematic, and the 26-pin male head welding needs to be performed again.

The utility model has the advantages that: the detection result is judged accurately, the technical requirements on the operation and maintenance maintainers are reduced, and the problem that the operation and maintenance maintainers of teams of the information communication branch company are aged seriously is relieved to a certain extent; the complicated judgment and test process is simplified into one-step insertion test, the judgment time is greatly shortened, the judgment accuracy is improved, and powerful guarantee is provided for rapid accident first-aid repair; the practical popularization and use discovers that the fault judgment time of the PCM is effectively shortened through the application of the line tester, and the operation rates of administrative telephones, dispatching direct calls, telemechanical signals and the like loaded by the PCM are greatly improved.

Drawings

Fig. 1 is a front view of a 26-pin interface wire tester according to one embodiment;

FIG. 2 is a side view of a 26-pin interface wire tester according to one embodiment;

fig. 3 is a top view of a 26-pin interface wire tester according to one embodiment;

fig. 4 is a schematic diagram of a circuit connection relationship between a first test pin, a 26-pin serial socket, and an LED lamp 5 according to a first embodiment;

FIG. 5 is a schematic diagram of an interface plan of a serial port receptacle with 26 pins according to a fourth embodiment;

FIG. 6 is a schematic diagram illustrating the distribution of the positions of the first test needles according to the fourth embodiment;

fig. 7 is a schematic diagram illustrating the position distribution of the second test needles in the fourth embodiment.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the 26-pin interface wire tester in the embodiment includes an insulating rubber mat 1, 2N first test pins 3, a 26-pin serial port socket 4, N LED lamps 5, and a housing 7;

the shell 7 is of a quadrangular prism shape with two open ends, the insulating rubber mat 1 is arranged at one open end in the shell 7, one end of the shell 7 provided with the insulating rubber mat 1 is a front end, and the other end of the shell 7 is a rear end;

the 26-pin serial port socket 4 is fixed on the outer side of the front end of the shell 7 and is used for being butted with a 26-pin male connector to be tested or directly inserted into a circuit to be tested;

the N LED lamps 5 are all arranged at the top of the shell 7, wherein N is a positive integer;

the 2N first test needles 3 are parallelly embedded on the insulating rubber mat 1; every two first test needles 3 are a set of, and the one end of every group of first test needle 3 links to each other with 1 both ends of LED lamp 5 respectively, and 2N first test needle 3's the other end links to each other with 2N binding post of 26 pin serial ports sockets 4 respectively.

In the present embodiment, the cross section of the side view of the housing 7 is an acute trapezoid, the vertex angle of the acute trapezoid is 80 degrees, the height is 21 cm, and the bottom side length is 14 cm; the insulating rubber mat 1 is a fixed structure formed by plugging the shell 7 by a sol rod, and is used for ensuring that the wiring is firmer; the terminals of the 26-pin serial socket 4 have a diameter of 0.3 mm.

In this embodiment, in order to distinguish the test results of the lines to be tested of different groups of audio channels, the N LED lamps 5 may be LED lamps with different colors. When the 26-pin interface line tester is applied, the 26-pin interface line tester is firstly used for measuring a line to be tested, and then is used for measuring a 26-pin male connector.

The second embodiment is as follows: in this embodiment, the 26-pin interface wire tester described in the first embodiment is further defined, and in this embodiment, the wire tester further includes a fixing rubber pad 2 and 2N second testing pins 6;

the fixed rubber mat 2 is arranged at the rear end in the shell 7; one end of each of the 2N second testing needles 6 is arranged on the fixed rubber mat 2 in parallel, and one end of each of the 2N second testing needles 6 is connected with one end of each of the 2N first testing needles 3; the other end of the 2N second test needles 6 is a universal meter detection end.

In the present embodiment, the fixing rubber pad 2 is a fixing structure formed by the sol stick sealing case 7, and in order to make the wiring and the second test pin 6 more firm.

In this embodiment, another way of testing whether the soldered lines are intact is provided, which still requires the use of a multimeter; the advantage of this embodiment is that the distance of the second testing pin 6 is configured by itself, and when the distance of the adjacent second testing pin 6 is configured, the distance of the adjacent second testing pin 6 is increased, so as to avoid the false touch.

The third concrete implementation mode: in this embodiment, the 26-pin interface wire measurer is further defined in the first embodiment, and in this embodiment, a circumference of the front end of the housing 7 is smaller than a circumference of the rear end of the housing 7.

In the present embodiment, the longer circumference of the rear end of the housing 7 serves to facilitate the distance for disposing the adjacent second test needles 6.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 5 to 7, and is further limited to the 26-pin interface wire tester described in the first embodiment, where N is equal to 4; the 8 first test needles 3 are distributed up and down in two rows, wherein 6 first test needles 3 positioned on the upper row are distributed at equal intervals, and 2 first test needles 3 positioned on the lower row are distributed at equal intervals; the 8 second test needles 6 are distributed in three rows in an up-down mode, wherein the 2 second test needles 6 positioned on the upper row are distributed along one side, the 2 second test needles 6 positioned on the middle row are distributed along one side, and the 4 second test needles 6 positioned on the lower row are distributed at equal intervals.

In the present embodiment, the interface plane of the 26-pin serial port socket is shown in fig. 5, and the audio wiring table is shown in the following table:

in the present embodiment, the colors of the 4 LED lamps 5 are: red LED lamps, blue LED lamps, violet LED lamps and yellow LED lamps.

Claims (4)

1. A26-pin interface wire tester is characterized by comprising an insulating rubber mat (1), 2N first test pins (3), a 26-pin serial port socket (4), N LED lamps (5) and a shell (7);

the shell (7) is of a quadrangular prism shape with two open ends, the insulating rubber mat (1) is arranged at one open end in the shell (7), one end of the shell (7) provided with the insulating rubber mat (1) is a front end, and the other end of the shell (7) is a rear end;

the 26-pin serial port socket (4) is fixed on the outer side of the front end of the shell (7) and is used for being butted with a 26-pin male head to be tested or directly inserted into a circuit to be tested;

the N LED lamps (5) are all arranged at the top of the shell (7), wherein N is a positive integer;

the 2N first test needles (3) are embedded on the insulating rubber mat (1) in parallel; every two first test needles (3) are a set of, and the one end of every group of first test needle (3) links to each other with the both ends of 1 LED lamp (5) respectively, and the other end of 2N first test needle (3) links to each other respectively with 2N binding post of 26 pin serial ports sockets (4).

2. A 26-pin interface wire tester as claimed in claim 1, wherein the wire tester further comprises a fixing rubber pad (2) and 2N second test pins (6);

the fixed rubber mat (2) is arranged at the rear end in the shell (7); one end of each of the 2N second testing needles (6) is arranged on the fixed rubber mat (2) in parallel, and one end of each of the 2N second testing needles (6) is connected with one end of each of the 2N first testing needles (3) respectively; the other end of the 2N second test needles (6) is a universal meter detection end.

3. A 26-pin interface wire tester as claimed in claim 2, wherein the perimeter of the front end of the housing (7) is smaller than the perimeter of the rear end of the housing (7).

4. A 26-pin interface wire tester as claimed in claim 2, wherein N is equal to 4; the 8 first testing needles (3) are distributed up and down in two rows, wherein the 6 first testing needles (3) positioned on the upper row are distributed at equal intervals, and the 2 first testing needles (3) positioned on the lower row are distributed at equal intervals; the 8 second test needles (6) are distributed in three rows in an up-down mode, wherein the 2 second test needles (6) positioned on the upper row are distributed along one side, the 2 second test needles (6) positioned on the middle row are distributed along one side, and the 4 second test needles (6) positioned on the lower row are distributed at equal intervals.

Images