CN212012649U - Operation tool applied to four-wire signal loopback test - Google Patents
Operation tool applied to four-wire signal loopback test Download PDFInfo
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- CN212012649U CN212012649U CN201922380994.5U CN201922380994U CN212012649U CN 212012649 U CN212012649 U CN 212012649U CN 201922380994 U CN201922380994 U CN 201922380994U CN 212012649 U CN212012649 U CN 212012649U
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Abstract
The utility model discloses an operation tool applied to four-wire signal loopback test, which is characterized in that the operation tool comprises a shell, an integrated circuit board and a switch component; one end of the integrated circuit board is provided with a four-wire signal access end, the other end of the integrated circuit board is provided with a network cable access end, and the switch assembly is arranged on the integrated circuit board; the integrated circuit board sets up the inside of shell, switch module reaches four-wire signal access end passes the shell outwards extends, be provided with on the shell with the connect the via hole of net twine access end adaptation, the net twine access end is based on connect the via hole is connected with the net twine.
Description
Technical Field
The utility model relates to a communication test technical field particularly, relates to an operation tool who is applied to four-wire signal loopback test.
Background
In the operation and maintenance work of communication equipment of the existing power enterprises, an automatic four-wire channel is responsible for bearing and transmitting telemechanical service signals of an automatic professional, and the four-wire telemechanical signals relate to remote signaling, remote measuring, remote regulating and remote controlling functions of equipment such as a station load switch and a switch disconnecting link. The testing and maintaining of the four-wire telecontrol signal channel is one of the daily important work contents of communication operation and maintenance personnel. When the four-wire telecontrol signal test is carried out, operation and maintenance personnel are required to carry out circuit loopback operation on the tail end of the four-wire signal channel on the communication audio distribution frame.
The existing common method is that a telecontrol signal is accessed to an incoming line end on an audio distribution frame, a telecontrol signal outgoing line side is arranged at the lower end of a corresponding public end, a maintainer uses a wire clamping gun and a connecting wire, a first core and a fourth core in a four-wire signal are manually connected by using the same signal wire at the outgoing line side, and a second core is connected with a third core. Completing a four-wire loopback channel test requires four iterations with a bayonet knife and wastes 2 signal wires. And repeated operation can cause certain damage to the audio distribution frame, causes contact failure hidden danger to influence equipment normal use. The 8-wire network signal also has the service requirement of loopback test. In the prior art, an 8-wire network cable is connected to a port of a communication network distribution frame corresponding to a required test signal, and a network cable head is manually looped back at the other end of the network cable. In the loopback process, the net wire head needs to be cut off and the net wire protective layer needs to be stripped, the protective coatings of the eight sub-cores of the net wire are stripped, the first core is connected and conducted with the third core, the second core is connected and conducted with the sixth core, the fourth core is connected and conducted with the seventh core, and the fifth core is connected and conducted with the eighth core. The whole process is time-consuming and labor-consuming, and the operation efficiency of the maintainers is influenced.
Therefore, an operation tool applied to four-wire signal loopback test is needed, and the tool has the functions of controlling the on-off of the four-wire signal loopback channel and controlling the on-off of the eight-wire system network signal loopback channel.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, the utility model provides a be applied to four-wire signal loopback test's operation instrument has the instrument of control four-wire signal loopback passageway break-make function, control 8 line system network signal loopback passageway break-make functions.
In order to solve the technical problem, the utility model provides an operating tool for four-wire signal loopback test, the operating tool includes shell, integrated circuit board and switch module;
one end of the integrated circuit board is provided with a four-wire signal access end, the other end of the integrated circuit board is provided with a network cable access end, and the switch assembly is arranged on the integrated circuit board;
the integrated circuit board sets up the inside of shell, switch module reaches four-wire signal access end passes the shell outwards extends, be provided with on the shell with the connect the via hole of net twine access end adaptation, the net twine access end is based on connect the via hole is connected with the net twine.
As a preferred technical solution of the present invention, the integrated circuit board is provided with a four-wire loopback test circuit and a network cable loopback test circuit;
the four-wire loopback test circuit is connected with the four-wire signal access end, and the network cable access end is connected with the network cable loopback test circuit.
As an optimal technical scheme of the utility model, four-wire signal access end is four branching connections, four-wire loopback test circuit be provided with first circuit, second circuit, third circuit and the fourth circuit of four-wire signal access end looks adaptation.
As an optimal technical scheme of the utility model, be provided with on the net twine loopback test circuit with first wire, second wire, third wire, fourth wire, fifth wire, sixth wire, seventh wire and the eighth wire of net twine access end looks adaptation.
As a preferred technical scheme of the utility model, switch module includes that four-wire loopback switch, first net twine loopback switch and second net twine loopback switch, wherein:
the four-wire loopback switch, the first network wire loopback switch and the second network wire loopback switch are single-pole double-throw switches.
As a preferred technical scheme of the utility model, first circuit with the end of fourth circuit the second circuit with the end of third circuit respectively with four-wire loopback switch is established ties, and based on four-wire loopback switch control way leads to.
As a preferred technical solution of the present invention, the ends of the first wire and the third wire, and the ends of the second wire and the sixth wire are respectively connected in series with the first network cable loopback switch;
the tail ends of the fourth wire and the seventh wire and the tail ends of the fifth wire and the eighth wire are respectively connected with the second network wire loopback switch in series.
The utility model provides an operation instrument for four-wire signal loopback test, the beneficial effect that this operation instrument reached is: the method solves the problems that the prior art needs to manually clamp a signal wire to complete the four-wire telecontrol signal loopback and manually strip the wire to complete the network cable signal loopback, and has the functions of controlling the on-off of a four-wire signal loopback channel and controlling the on-off of an eight-wire network signal loopback channel; inserting a four-wire signal access end of the operating tool into a public end of an audio distribution frame, completing channel loopback by using a loop of a circuit board, and controlling the on-off of a loopback channel by using a switch in the loop; one end of the test network cable is inserted into the network cable signal loopback test interface of the operation tool, and the functions of network cable signal loopback and on-off control are also completed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 shows a schematic structural view of an operating tool in an embodiment of the present invention;
fig. 2 shows a bottom schematic view of an operating tool in an embodiment of the invention;
fig. 3 shows a schematic structural diagram of an integrated circuit of an operating tool according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 shows a schematic structural view of an operating tool in an embodiment of the present invention; fig. 2 shows a bottom schematic view of an operating tool in an embodiment of the invention; fig. 3 shows a schematic structural diagram of an integrated circuit of an operating tool according to an embodiment of the present invention.
The embodiment of the utility model provides an operation tool applied to four-wire signal loopback test, which comprises a shell 3, an integrated circuit board 1 and a switch component 2; the operating tool separates the electric elements from the outside based on the housing 3, thereby protecting the electric elements of the operating tool; the operation tool integrates a circuit structure required by loopback test based on the integrated circuit board 1; the operating tool controls the proceeding and ending of the operating tool test based on the switch assembly 2.
Specifically, one end of the integrated circuit board 1 is provided with a four-wire signal access end 11, and the integrated circuit board 1 is connected with a four-wire motion signal output line on an audio distribution frame based on the four-wire signal access end 11; the other end of the integrated circuit board 1 is provided with a network cable access end 12, and the integrated circuit board 1 completes connection with a network cable and signal receiving and outputting based on the network cable access end; the switch component 2 is arranged on the integrated circuit board 1, and the integrated circuit board 1 controls the proceeding and ending of the loopback test based on the switch component 2.
Specifically, the integrated circuit board 1 is arranged inside the housing 3, and the integrated circuit board 1 is isolated from the outside based on the housing 3, so that the integrated circuit board 1 is prevented from being exposed to the outside; the switch component 2 and the four-wire signal access terminal 11 extend outwards through the housing 3, so that an operator can operate the switch component outside the operating tool and control the operating tool conveniently due to the fact that the switch component 2 extends outwards through the housing 3, the connection process of the audio cable and the four-wire signal access terminal is simplified due to the fact that the four-wire signal access terminal 11 extends outwards through the housing 3, and connection can be completed outside the housing 3; the shell 3 is provided with a connecting through hole 31 matched with the network cable access end 12, and the network cable access end 12 is connected with the network cable based on the connecting through hole 31.
Further, a four-wire loopback test circuit and a network cable loopback test circuit are arranged on the integrated circuit board 1; the integrated circuit board 1 forms a working circuit required by the four-wire loopback test based on the four-wire loopback test circuit; the integrated circuit board 1 forms a working circuit required by the network cable loopback test based on the network cable loopback test circuit; the four-wire loopback test circuit is connected with the four-wire signal access end 11, and the four-wire loopback test circuit is connected with the audio line based on the connection of the four-wire signal access end 11, so that the audio line can be connected with the four-wire loopback test circuit; the network cable access end 12 is connected with the network cable loopback test circuit.
Further, the four-wire signal access terminal 11 is four branch connections, and is connected with the four-wire signal of the audio cable based on the four branch connections, and the four branch connections are inserted into the public terminal lower end of the telecontrol signal outgoing side of the audio distribution frame, and the lower end conductive terminal is contacted with the conductive parts of the four branch connections to complete the connection operation; the four-wire loopback test circuit is provided with a first circuit, a second circuit, a third circuit and a fourth circuit which are matched with the four-wire signal access end 11, and a four-wire loop is formed on the basis of the first circuit, the second circuit, the third circuit and the fourth circuit.
Further, a first wire, a second wire, a third wire, a fourth wire, a fifth wire, a sixth wire, a seventh wire, and an eighth wire adapted to the network cable access terminal 12 are provided on the network cable loopback test circuit, and the integrated circuit board 1 forms a signal path of the network cable loopback test circuit based on the first wire, the second wire, the third wire, the fourth wire, the fifth wire, the sixth wire, the seventh wire, and the eighth wire.
Further, the switch component 2 includes a four-wire loopback switch 23, a first network wire loopback switch 21 and a second network wire loopback switch 22, the operating tool controls the on-off state of the four-wire loopback test based on the four-wire loopback switch 23, and controls the on-off state of the network wire loopback test based on the first network wire loopback switch 21 and the second network wire loopback switch 22.
The four-wire loopback switch 23, the first network cable loopback switch 21 and the second network cable loopback switch 22 are all single-pole double-throw switches, each single-pole double-throw switch consists of a movable end and a fixed end, the movable end is a so-called 'pole', and the movable end is connected with an incoming line of a power supply, namely one end of an incoming call, and generally the end connected with a handle of the switch; the other two terminals are the two terminals of the power supply output, so-called stationary terminals, which are connected to the consumer. The function of the device is that the device can control the power supply to output in two different directions, namely, the device can be used for controlling two devices, or the same device can be controlled to switch the operation direction.
Specifically, the ends of the first line and the fourth line, and the ends of the second line and the third line are respectively connected in series with the four-wire loopback switch, and are controlled to be open based on the four-wire loopback switch, and are connected in series with each line based on the four-wire loopback switch 23, so that the connection or disconnection of each line can be directly controlled.
Specifically, the ends of the first wire and the third wire, and the ends of the second wire and the sixth wire are respectively connected in series with the first network loopback switch 21; based on the fact that the first network cable loopback switch 21 is connected with the corresponding lead in series, the on-off state of the lead connected in series can be directly controlled; the tail ends of the fourth wire and the seventh wire and the tail ends of the fifth wire and the eighth wire are respectively connected with the second network cable loopback switch 22 in series, and the on-off state of the wires connected in series can be directly controlled based on the fact that the second network cable loopback switch 22 is connected with the corresponding wires in series.
The embodiment of the utility model provides an operation tool for four-wire signal loopback test, this operation tool has solved prior art and has needed manual joint signal line to accomplish the four-wire telemechanical signal loopback, the manual wire stripping accomplishes the process of net twine signal loopback, has control four-wire signal loopback passageway break-make function, control eight-wire system network signal loopback passageway break-make function; inserting a four-wire signal access end of the operating tool into a public end of an audio distribution frame, completing channel loopback by using a loop of a circuit board, and controlling the on-off of a loopback channel by using a switch in the loop; one end of the test network cable is inserted into the network cable signal loopback test interface of the operation tool, and the functions of network cable signal loopback and on-off control are also completed.
In addition, the operation tool provided by the embodiment of the present invention is described in detail above, and a specific example should be adopted herein to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (6)
1. An operation tool applied to a four-wire signal loopback test is characterized by comprising a shell, an integrated circuit board and a switch assembly;
one end of the integrated circuit board is provided with a four-wire signal access end, the other end of the integrated circuit board is provided with a network cable access end, and the switch assembly is arranged on the integrated circuit board;
the integrated circuit board sets up the inside of shell, switch module reaches four-wire signal access end passes the shell outwards extends, be provided with on the shell with the connect the via hole of net twine access end adaptation, the net twine access end is based on connect the via hole is connected with the net twine.
2. The operating tool of claim 1, wherein a four wire loopback test circuit and a network wire loopback test circuit are disposed on the integrated circuit board;
the four-wire loopback test circuit is connected with the four-wire signal access end, and the network cable access end is connected with the network cable loopback test circuit.
3. The handling tool of claim 2, wherein the four wire signal access is a four pronged connection and the four wire loopback test circuit is provided with a first line, a second line, a third line and a fourth line adapted to the four wire signal access.
4. The operating tool according to claim 2, wherein the network cable loopback test circuit is provided with a first wire, a second wire, a third wire, a fourth wire, a fifth wire, a sixth wire, a seventh wire and an eighth wire which are matched with the network cable access terminal.
5. The operating tool of claim 1, wherein the switch assembly comprises a four-wire loopback switch, a first network wire loopback switch, and a second network wire loopback switch, wherein:
the four-wire loopback switch, the first network wire loopback switch and the second network wire loopback switch are single-pole double-throw switches.
6. The operating tool of claim 3, wherein ends of the first and fourth lines, ends of the second and third lines, respectively, are connected in series with the four-wire loop-back switch and control the passage based on the four-wire loop-back switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922380994.5U CN212012649U (en) | 2019-12-26 | 2019-12-26 | Operation tool applied to four-wire signal loopback test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922380994.5U CN212012649U (en) | 2019-12-26 | 2019-12-26 | Operation tool applied to four-wire signal loopback test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212012649U true CN212012649U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922380994.5U Active CN212012649U (en) | 2019-12-26 | 2019-12-26 | Operation tool applied to four-wire signal loopback test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212012649U (en) |
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2019
- 2019-12-26 CN CN201922380994.5U patent/CN212012649U/en active Active
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