CN216982018U - Multipurpose communication cable simulator - Google Patents
Multipurpose communication cable simulator Download PDFInfo
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- CN216982018U CN216982018U CN202220385265.8U CN202220385265U CN216982018U CN 216982018 U CN216982018 U CN 216982018U CN 202220385265 U CN202220385265 U CN 202220385265U CN 216982018 U CN216982018 U CN 216982018U
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Abstract
The utility model provides a multipurpose communication cable simulator, comprising: the ground simulation monitoring unit is arranged in the mine line monitoring substation; the cable change-over switch unit is a multi-contact switch group, the ground end of the cable change-over switch unit is coupled with the ground simulation monitoring unit, the underground end of the cable change-over switch unit is coupled with the mine sensing simulation monitoring unit, and the gear change-over end of the cable change-over switch unit is connected into the cable simulation unit; the cable simulation unit is a simulation cable group with the number of not less than 2, and the monitoring end of the cable simulation unit is coupled with the ground simulation monitoring unit; the mine sensing simulation monitoring unit is a mine simulation sensor group and is coupled with the underground acquisition end of the cable simulation unit. The utility model solves the technical problems that the line measurement simulation effect is poor and the underground installation condition is restricted.
Description
Technical Field
The utility model relates to the industrial and mining line detection technology, in particular to a multipurpose communication cable simulator.
Background
Under the background of mine informatization development, output signals of various sensors and cameras are mostly digital signals. Compared with traditional analog signal digital signals of frequency, current, voltage and the like, the signal quality is greatly influenced by distribution parameters of inductance, capacitance, resistance and the like in a communication network in the transmission process. With the increasing number of various sensors and cameras used in the underground, the communication signal transmission is more and more complex, and various communication faults are in endless. Under the limitation of underground conditions, various instruments and meters cannot be used for measuring and analyzing the quality of communication signals on site, and the system is often supported by the lack of reliable data through experience and guess when in system design and fault handling, so that the effect of double work and half work is not good. The prior art has the technical problems of poor line measurement simulation effect and limitation of underground installation conditions.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to solve the technical problem that the line measurement simulation is restricted by the underground installation condition.
The utility model solves the technical problems through the following technical means: a multipurpose communication cable simulator comprising: the system comprises a ground simulation monitoring unit, a cable change-over switch unit, a cable simulation unit and a mine sensing simulation monitoring unit;
the ground simulation monitoring unit is arranged at the mine line monitoring substation;
the cable change-over switch unit is a multi-contact switch group, the ground end of the cable change-over switch unit is coupled with the ground surface simulation monitoring unit, the underground end of the cable change-over switch unit is coupled with the mine sensing simulation monitoring unit, and the gear change-over end of the cable change-over switch unit is connected into the cable simulation unit;
the cable simulation unit is a simulation cable group with the number of not less than 2, and the monitoring end of the cable simulation unit is coupled with the ground plane simulation monitoring unit;
and the mine sensing simulation monitoring unit is a mine simulation sensor group and is coupled with the underground acquisition end of the cable simulation unit.
The utility model provides accurate basis for the selection of transmission media in the design of each communication system by performing stability test and installation distance limit test on the ground before the monitoring equipment is installed in a well.
In a more specific aspect, a ground simulation monitoring unit includes: the monitoring terminal comprises a monitoring terminal waveform simulation monitoring component, a monitoring terminal power supply monitoring component and a monitoring terminal power supply;
the monitoring end waveform simulation monitoring component is an oscilloscope which is connected in parallel to a ground signal end in the ground simulation monitoring unit;
the monitoring end power supply monitoring component is a voltmeter, and the voltmeter is connected in parallel to an energy supply end in the ground simulation monitoring unit;
and the monitoring end power supply is connected to the energy supply end in the ground simulation monitoring unit.
The utility model adopts the oscilloscope to realize the waveform measurement function, simulates the field communication fault phenomenon, can accurately measure and analyze the input and output signals, and can accurately analyze the waveform of the input and output signals of the simulator so as to accurately analyze the fault reason.
In a more specific aspect, a cable switching unit includes: a hundred-meter gear change-over switch, a kilometer gear change-over switch and a lead connector number change-over switch,
the hectometer gear change-over switch is connected between the ground simulation monitoring unit and the cable simulation unit;
the kilometer gear change-over switch is connected in series and connected into the cable simulation unit;
the wire connector number conversion switch is connected between the cable simulation unit and the mine sensing simulation monitoring unit.
The utility model realizes the simulation of communication cables with different lengths by taking hectometer as a unit by using the circuit and the change-over switch, thereby simulating communication networks with different scales. The simulation cable parameters can be corrected according to the actual number of the joints, the attenuation condition of various sensor signals of the monitoring system in long-distance line transmission is checked, and the working state of the actual mine cable communication network is approached to the maximum extent.
In a more specific technical scheme, the number of contacts of the hectometer gear change-over switch is matched with the number of hectometer simulation cables at the monitoring end of the cable simulation unit, and the contacts of the hectometer gear change-over switch are arranged at the monitoring end of the cable simulation unit.
In a more specific technical scheme, the number of contacts of the kilometer gear change-over switch is matched with the number of kilometer simulation cables at a monitoring end of the cable simulation unit, and the contacts of the hectometer gear change-over switch are arranged at a wire end of a kilometer simulation cable group of the cable simulation unit.
In a more specific technical scheme, the number of the contacts of the wire joint number conversion switch is not less than 2, and the contacts of the wire joint number conversion switch are arranged at the output end of the mine sensing analog monitoring unit.
In a more specific aspect, a cable simulation unit includes: a simulated hectometer cable group and a simulated kilometer cable group,
cables in the simulated hectometer cable group are connected in parallel to the cable simulation unit;
cables in the kilometer cable group are simulated and connected into the cable simulation unit in parallel;
in the simulated hectometer cable group, cables are connected in series with cables in the simulated kilometer cable group through the cable change-over unit.
According to the utility model, the actual mine cable communication condition is simulated by combining the ground cable group and the contact regulation and control of the cable change-over switch, an underground communication network can be simulated in skill training, and various communication fault phenomena in an underground field are analyzed.
In a more specific aspect, a cable includes: an analog capacitor, an analog inductor and an analog resistor,
an analog capacitance which is a distributed capacitance;
an analog resistor which is a distributed resistor;
and the analog inductor is a distributed inductor, and the analog inductor and the analog resistor are connected in series through a cable.
In a more specific technical solution, the analog capacitance, the analog resistance and the analog inductance are adapted to the cable parameters to be simulated.
In a more specific technical scheme, the mine sensing simulation monitoring unit comprises: the monitoring device comprises a mine waveform simulation monitoring component, a mine power supply monitoring component and a mine power supply;
the mine waveform simulation monitoring component is an oscilloscope which is connected in parallel to a signal acquisition end in the mine sensing simulation monitoring unit;
the mine power supply monitoring component is a voltmeter, and the voltmeter is connected in parallel to an energy supply end in the mine simulation monitoring unit;
and the mine power supply is connected to the energy supply end in the mine sensing analog monitoring unit.
Compared with the prior art, the utility model has the following advantages: the utility model is used for testing the stability and the installation distance limit on the ground before the monitoring equipment is installed in a well. The waveform of the measurement signal can be used for analyzing various communication fault phenomena in the underground field and testing the loading capacity of the monitoring substation and the personnel positioning substation. The utility model adopts the oscilloscope to realize the waveform measurement function, simulates the field communication fault phenomenon, can accurately measure and analyze the input and output signals, can accurately analyze the input and output signals of the simulator to accurately analyze the fault reason, and is close to the working state of the actual mine cable communication network to the maximum extent. According to the utility model, the actual mine cable communication condition is simulated by combining the ground cable group and the contact regulation and control of the cable change-over switch, an underground cable system can be simulated in skill training, and various communication fault phenomena in an underground field are analyzed. The utility model solves the technical problems that the line measurement simulation effect is poor and the underground installation condition is restricted.
Drawings
FIG. 1 is a schematic diagram of the multipurpose communication cable simulator circuit of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
the instrument can simulate the capacitance, inductance and resistance distribution parameters of two communication cables of MHYV4 multiplied by 2 multiplied by 1/0.97 and MHYV1 multiplied by 4 multiplied by 7/0.52, correct the parameters of the whole communication network according to the field condition, simulate the working condition of the underground communication network to the maximum extent and measure the waveform of input/output signals.
Through the simulation of the underground communication network, the communication signals in the network can be measured and analyzed on the ground. The problems of long-distance signal attenuation of a monitoring sensor, signal transmission failure of a camera, underground communication simulation troubleshooting and the like can be solved. The method plays a role in sensor testing, field fault analysis, communication system design, skill training and the like.
The multipurpose communication cable simulator comprises a monitoring substation, a cable change-over switch, a hectometer kilometer simulation cable group and an underground simulation sensor monitoring end;
the monitoring substation can be a mine line monitoring substation; the monitoring substation comprises an oscilloscope, and the oscilloscope is connected in parallel to a ground signal end in the monitoring substation; the voltmeter is connected in parallel to the monitoring substation; the monitoring terminal power supply is connected to the energy supply terminal in the monitoring substation;
the cable change-over switch is a multi-contact switch group, the ground end of the cable change-over switch is coupled with the monitoring substation, the underground end of the cable change-over unit is coupled with the underground analog sensor monitoring end, and the gear change-over end of the cable change-over switch is connected to the hectometer kilometer analog cable group; the hectometer gear change-over switch is connected between the monitoring substation and the hectometer kilometer simulation cable group; the kilometer gear change-over switch is connected in series and connected into a kilometer analog cable group; the wire joint number conversion switch is connected between the hectometer kilometer analog cable group and the underground analog sensor monitoring end; the utility model uses the circuit and the change-over switch to realize that the communication cables with different lengths can be simulated by taking hectometer as a unit to reach eight kilometers at most, thereby simulating the communication networks with different scales. The simulation cable parameters can be corrected according to the actual number of the joints, and the attenuation condition of various sensor signals of the monitoring system in long-distance line transmission can be checked.
The system comprises a hundred-meter and kilometer-meter simulation cable group, a monitoring substation and a monitoring substation, wherein the number of the hectometer and kilometer simulation cable groups is not less than 2, and monitoring ends of the hectometer and kilometer simulation cable groups are coupled with the monitoring substation; cables in the simulated hectometer cable group are connected into the simulated hectometer and kilometer cable group in parallel; cables in the analog kilometer cable group are connected in parallel into the hundred-meter kilometer analog cable group; in the simulated hectometer cable group, cables are connected in series with cables in the simulated kilometer cable group through a cable selector switch. The cable includes: the device comprises an analog capacitor, an analog inductor, an analog resistor and an analog capacitor, wherein the analog capacitor is a distributed capacitor; the analog resistor is a distributed resistor; the simulation inductor is a distributed inductor, the simulation inductor and the simulation resistor are connected in series through a cable, and specific simulation parameters refer to the following table one and table two.
Table one, MHYV1 × 4 × 7/0.52 communication cable distribution parameters:
| distributed capacitance | ≦0.06uF/km |
| Distributed inductance | ≦0.8mH/km |
| Direct current resistance | ≦12.8Ω/km |
TABLE II MHYV 4X 2X 1/0.97 communications cable distribution parameters:
| distributed capacitance | ≦0.1uF/km |
| Distributed inductance | ≦0.8mH/km |
| Direct current resistance | ≦18.1Ω/km |
The downhole analog sensor monitoring end comprises: the monitoring device comprises a mine waveform simulation monitoring component, a mine power supply monitoring component and a mine power supply; the mine waveform simulation monitoring component is an oscilloscope, and the oscilloscope is connected in parallel to a signal acquisition end in a monitoring end of the underground simulation sensor; the mine power supply monitoring component is a voltmeter, and the voltmeter is connected in parallel to an energy supply end in the mine simulation monitoring unit; and the mine power supply is connected to the energy supply end in the monitoring end of the underground analog sensor.
The utility model is used for testing the stability and the installation distance limit on the ground before the monitoring equipment is installed in a well. The waveform of the measurement signal can be used for analyzing various communication fault phenomena in the underground field and testing the loading capacity of the monitoring substation and the personnel positioning substation. The utility model adopts the oscilloscope to realize the waveform measurement function, simulates the field communication fault phenomenon, can accurately measure and analyze the input and output signals, can accurately analyze the input and output signals of the simulator to accurately analyze the fault reason, and is close to the working state of the actual mine cable communication network to the maximum extent. According to the utility model, the actual mine cable communication condition is simulated by combining the ground cable group with the contact regulation and control of the cable change-over switch, and an underground cable system can be simulated in skill training. The utility model solves the technical problems that the line measurement simulation effect is poor and the underground installation condition is restricted.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A multipurpose communication cable simulator, said multipurpose communication cable simulator comprising: the system comprises a ground simulation monitoring unit, a cable change-over switch unit, a cable simulation unit and a mine sensing simulation monitoring unit;
the ground simulation monitoring unit is arranged at the mine line monitoring substation;
the cable change-over switch unit is a multi-contact switch group, the ground end of the cable change-over switch unit is coupled with the ground simulation monitoring unit, the underground end of the cable change-over switch unit is coupled with the mine sensing simulation monitoring unit, and the gear change-over end of the cable change-over switch unit is connected into the cable simulation unit;
the cable simulation unit is a simulation cable group with the number of not less than 2, and the monitoring end of the cable simulation unit is coupled with the ground simulation monitoring unit;
the mine sensing simulation monitoring unit is a mine simulation sensor group and is coupled with the underground acquisition end of the cable simulation unit.
2. The multipurpose communication cable simulator of claim 1, wherein the surface simulation monitoring unit comprises: the monitoring terminal comprises a monitoring terminal waveform simulation monitoring component, a monitoring terminal power supply monitoring component and a monitoring terminal power supply;
the monitoring end waveform simulation monitoring component is an oscilloscope, and the oscilloscope is connected to a ground signal end in the ground simulation monitoring unit in parallel;
the monitoring end power supply monitoring component is a voltmeter, and the voltmeter is connected in parallel to an energy supply end in the ground simulation monitoring unit;
and the monitoring end power supply is connected to the energy supply end in the ground simulation monitoring unit.
3. The multipurpose communication cable simulator of claim 1, wherein the cable switch unit comprises: a hundred-meter gear change-over switch, a kilometer gear change-over switch and a wire joint number change-over switch,
the hectometer gear change-over switch is connected between the ground simulation monitoring unit and the cable simulation unit;
the kilometer gear change-over switch is connected in series and connected into the cable simulation unit;
and the wire joint number conversion switch is connected between the cable simulation unit and the mine sensing simulation monitoring unit.
4. The multipurpose communication cable simulator of claim 3, wherein the number of contacts of the hectometer-level selector switch is adapted to the number of hectometer-level analog cables at the monitoring end of the cable simulator unit, and the contacts of the hectometer-level selector switch are disposed at the monitoring end of the cable simulator unit.
5. The multipurpose communication cable simulator according to claim 3, wherein the number of contacts of the kilometer shift change-over switch is adapted to the number of kilometer analog cables at the monitoring end of the cable simulation unit, and the contacts of the kilometer shift change-over switch are arranged at the wire end of the kilometer analog cable group of the cable simulation unit.
6. The multipurpose communication cable simulator of claim 3, wherein the number of contacts of the wire connector number change-over switch is not less than 2, and the contacts of the wire connector number change-over switch are arranged at the output end of the mine sensing simulation monitoring unit.
7. The multipurpose communication cable simulator of claim 1, wherein the cable simulating unit comprises: a simulated hectometer cable group and a simulated kilometer cable group,
cables in the simulated hectometer cable group are connected in parallel to the cable simulation unit;
cables in the simulation kilometer cable group are connected into the cable simulation unit in parallel;
in the simulated hectometer cable group, cables are connected in series with the cables in the simulated kilometer cable group through the cable change-over switch unit.
8. The multipurpose communication cable simulator of claim 7, wherein the cable comprises: an analog capacitor, an analog inductor and an analog resistor,
the analog capacitor is a distributed capacitor;
the analog resistor is a distributed resistor;
the analog inductor is a distributed inductor, and the analog inductor and the analog resistor are connected in series through the cable.
9. The multipurpose communication cable simulator of claim 8, wherein the analog capacitance, the analog resistance and the analog inductance are adapted to cable parameters to be simulated.
10. The multipurpose communication cable simulator of claim 1, wherein the mine sensing simulation monitoring unit comprises: the monitoring device comprises a mine waveform simulation monitoring component, a mine power supply monitoring component and a mine power supply;
the mine waveform simulation monitoring component is an oscilloscope, and the oscilloscope is connected to a signal acquisition end in the mine sensing simulation monitoring unit in parallel;
the mine power supply monitoring component is a voltmeter, and the voltmeter is connected in parallel to an energy supply end in the mine simulation monitoring unit;
and the mine power supply is connected to an energy supply end in the mine sensing analog monitoring unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220385265.8U CN216982018U (en) | 2022-02-23 | 2022-02-23 | Multipurpose communication cable simulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220385265.8U CN216982018U (en) | 2022-02-23 | 2022-02-23 | Multipurpose communication cable simulator |
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| CN216982018U true CN216982018U (en) | 2022-07-15 |
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| CN202220385265.8U Active CN216982018U (en) | 2022-02-23 | 2022-02-23 | Multipurpose communication cable simulator |
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