KR102656947B1 - Precise communication safety diagnosis management system for communication facilities - Google Patents

Abstract

The present invention relates to a communication precision safety diagnosis management system for communication facilities. More specifically, after receiving the catenary voltage and current from the overhead line, these signals are sent to a power analyzer and a signal converter, and through the power analyzer, the amount of power, In addition to providing the results of power factor, effective value, and harmonic content as instantaneous values through a signal converter, information on speed and location is input into a computer to accurately monitor the section where a fault or broken wire occurred, and Control efficiency is improved by integrated management by providing trays, rack guides, and rack fixing plates to distribute the computers used for monitoring and control of railway vehicles. In particular, the computers are prevented from deteriorating through smooth heat dissipation, preventing control failures. This relates to a precision communication safety diagnosis management system for communication equipment for electric railway vehicles that has been improved to simultaneously satisfy safety and stability by ensuring the seismic characteristics of the rack fixing plate while preventing damage.

Description

{Precise communication safety diagnosis management system for communication facilities}

The present invention relates to a communication precision safety diagnosis management system for communication facilities. More specifically, after receiving the catenary voltage and current from the overhead line, these signals are sent to a power analyzer and a signal converter, and through the power analyzer, the amount of power, In addition to providing the results of power factor, effective value, and harmonic content as instantaneous values through a signal converter, information on speed and location is input into a computer to accurately monitor the section where a fault or broken wire occurred, and Control efficiency is improved by integrated management by providing trays, rack guides, and rack fixing plates to distribute the computers used for monitoring and control of railway vehicles. In particular, the computers are prevented from deteriorating through smooth heat dissipation, preventing control failures. This relates to a precision communication safety diagnosis management system for communication equipment for electric railway vehicles that has been improved to simultaneously satisfy safety and stability by ensuring the seismic characteristics of the rack fixing plate while preventing damage.

Normally, the power supply and demand system of railway vehicles receives 154kV voltage directly from the substation and supplies the power necessary for train operation and each station through the power conversion device of the urban railway substation.

In this way, one of the important things for the safe operation of electric railway vehicles and urban railway vehicles is stable power supply.

In other words, it is very important to check whether the pantograph is receiving a stable supply of power from overhead lines installed on the ground.

Therefore, if a disconnection occurs due to unstable power supply, the power supply must be monitored because serious failure or deterioration of electrical components can rapidly progress.

However, although it is necessary to check whether power is being supplied smoothly to the electric railway vehicle, conventionally only data on one side of the tram line is obtained using only a laptop, so information on the instantaneous value is not received and the speed of the railway vehicle is controlled. I was unable to find any data on the phase during one cycle used when performing a process, or the phase angle when passing the "0" point in that phase.

In other words, conventionally, when measuring the power amount of an electric railway vehicle, data on overhead line voltage and current were received and passed through a power analyzer to obtain the power amount, power factor, effective value, etc.

However, since conventional measurements were made using effective values, it is not possible to obtain any test data on the phenomenon of power changes for a short period of time, such as in a double line due to slight grooves in the rail, as well as the speed or position of the railroad car at that time. Even if a malfunction occurs due to not receiving information about the problem, the exact cause cannot be found and there is no way to know which part needs to be fixed and how to fix it.

Republic of Korea Patent Registration No. 10-0651193 (2006-11-22), Electric railway vehicle power supply monitoring system Republic of Korea Patent Registration No. 10-0612428 (2006-08-07), Switching element diagnostic control circuit of railway signal relay Republic of Korea Patent Registration No. 10-2434152 (2022-08-16), Electric railway power facility monitoring device

The present invention was created to solve various problems in the prior art as described above. After receiving the catenary voltage and current from the overhead line, these signals are sent to a power analyzer and a signal converter, and the power amount is measured through the power analyzer. , the results of power factor, effective value, and harmonic content are provided as instantaneous values through a signal converter, and information on speed and location is input into a computer to accurately monitor the section where a fault or broken line occurred. Control efficiency is improved by integrated management by providing trays, rack guides, and rack fixing plates so that computers used for monitoring and control of each railway vehicle can be distributed and distributed. In particular, control failure is prevented by smoothly dissipating heat from the computer to prevent deterioration. The main purpose is to provide a precision communication safety diagnosis management system for communication equipment that has been improved to simultaneously satisfy safety and stability by ensuring the earthquake-resistant characteristics of the rack fixing plate while preventing damage from occurring.

The present invention is a means for achieving the above object, and includes a speed sensor (1) installed on a wheel and generating a pulse signal corresponding to the rotation speed of the wheel while the railway vehicle is running; a frequency-voltage converter (2) that converts the frequency of the intermittent pulse detected through the speed sensor (1) into voltage; a first A/D converter (3) that converts the analog railway vehicle speed voltage output from the frequency-voltage converter (2) into a digital signal; a vehicle speed detection unit (4) that receives the output signal from the first A/D conversion unit (3) and detects the current running speed of the railway vehicle; a counter (5) that counts intermittent pulses detected through the speed sensor (1); a location information detection unit (6) that receives the output signal of the counter (5) and calculates the traveling distance of the railway vehicle compared to the number of pulses to detect the location of the vehicle; a catenary voltage detection unit (7) that detects the voltage supplied to the railroad car from the catenary line; A tram line current detection unit (8) that detects the current flowing in the railroad car from the tram line; a power analyzer (9) that receives the output signals of the catenary voltage and current detection units (7, 8) and analyzes the amount of power used, power factor, effective value, and harmonic content; A signal converter (10) that converts the high voltage and current values detected from the catenary voltage and current detection units (7, 8) into instantaneous values of a predetermined low voltage; Second and third A/D conversion units (11, 12) that convert analog information output from the power analyzer (9) and signal converter (10) into digital signals; The output signals of the power analyzer (9) and signal converter (10) input through the second and third A/D conversion units (11, 12) and the output signals of the vehicle speed detection unit (4) and the position information detection unit (6) are A communication precision safety diagnosis management system for communication equipment that includes a computer (13) that receives and remembers input in real time and at the same time determines and stores and outputs power status information along with speed and location information at that point when a breakdown in the line or vehicle occurs. In;

The computers 13 are provided one per railroad car, and each of the computers 13 is connected to a main computer (MC) for integrated control; The computer 13 is seated and fixed on a tray 130, the tray 130 is bolted to the rack guide 140, and the rack guide 140 is mounted on a rack fixing plate 150 installed upright on the floor of the server room. ) is fixed on; A tripod holder 152 is integrally provided at the bottom of the rack fixing plate 150, the tripod holder 152 is provided with an electromagnet 154, and an iron plate 156 is placed on the bottom surface on which the tripod holder 152 will be mounted. ) is fixed and configured to be adsorbed by the magnetic force of the electromagnet 154;

The rack fixing plate 150 further includes a cooling means for air cooling the computer 130, and the cooling means is piped through the lowermost through hole 158 formed in the rack fixing plate 150. A plurality of dry air supply pipes 210, a blower 220 for supplying dry air through the dry air supply pipe 210, and a blower 220 installed in the dry air supply pipe 210 to blow dry air supplied from the blower 220. It includes a dry air sprayer (230) that discharges;

A plurality of earthquake-resistant units 410 are further installed between the steel plate 156 and the floor, and the earthquake-resistant units 410 include a fixed housing 412 embedded in the floor and vertical to the fixed housing 412. It provides a communication precision safety diagnosis management system for communication equipment, which is assembled and moves up and down and includes an elevator 414 with a steel plate 156 fixed on the upper surface.

According to the present invention, after receiving the catenary voltage and current from the overhead line, these signals are sent to a power analyzer and signal converter, and the results of power amount, power factor, effective value, and harmonic content are instantaneously transmitted through the power analyzer through the signal converter. In addition to being provided as a value, it is also possible to accurately monitor the section where a breakdown or line change occurred by receiving information on speed and location through a computer, as well as to distribute the computers used for monitoring and control of each railroad car. It improves control efficiency by providing integrated management of trays, rack guides, and rack fixing plates. In particular, it prevents control problems by preventing deterioration through smooth heat dissipation of the computer, and provides earthquake-resistant characteristics of the rack fixing plate, satisfying safety and stability at the same time. You can achieve improved effects.

1 is a block diagram of a system according to the present invention.
Figure 2 is an exemplary perspective view showing an example of installation of a computer distributed tray-rack guide-rack fixing plate constituting the system according to the present invention.
Figure 3 is an exemplary diagram showing an excerpt of the main part of Figure 2.
Figure 4 is a schematic diagram showing the cooling unit of Figure 2.
Figure 5 is an enlarged illustration of the main part of Figure 4.
Figure 6 is an exemplary diagram showing an example of installation of a seismic unit constituting a system according to the present invention.
FIG. 7 is an exemplary configuration diagram of the seismic unit of FIG. 6.

Hereinafter, preferred embodiments according to the present invention will be described in more detail with reference to the accompanying drawings.

Prior to describing the present invention, the following specific structural and functional descriptions are merely illustrative for the purpose of explaining embodiments according to the concept of the present invention, and the embodiments according to the concept of the present invention may be implemented in various forms. It should not be construed as limited to the embodiments described herein.

In addition, the present invention uses the configuration of Domestic Patent No. 10-0651193 (November 22, 2006), 'Power supply monitoring system for electric railway vehicles'.

That is, as shown in the example of FIG. 1, the system according to the present invention includes a speed sensor (1) installed on the wheels of a railway vehicle and generating a pulse signal corresponding to the rotation speed of the wheels while the railway vehicle is running; a frequency-voltage converter (2) that converts the frequency of the intermittent pulse detected through the speed sensor (1) into voltage; a first A/D converter (3) that converts the analog railway vehicle speed voltage output from the frequency-voltage converter (2) into a digital signal; a vehicle speed detection unit (4) that receives the output signal from the first A/D conversion unit (3) and detects the current running speed of the railway vehicle; a counter (5) that counts intermittent pulses detected through the speed sensor (1); a location information detection unit (6) that receives the output signal of the counter (5) and calculates the traveling distance of the railway vehicle compared to the number of pulses to detect the location of the vehicle; a catenary voltage detection unit (7) that detects the voltage supplied to the railroad car from the catenary line; A tram line current detection unit (8) that detects the current flowing in the railroad car from the tram line; a power analyzer (9) that receives the output signals of the catenary voltage and current detection units (7, 8) and analyzes the amount of power used, power factor, effective value, and harmonic content; A signal converter (10) that converts the high voltage and current values detected from the catenary voltage and current detection units (7, 8) into instantaneous values of a predetermined low voltage; Second and third A/D conversion units (11, 12) that convert analog information output from the power analyzer (9) and signal converter (10) into digital signals; The output signals of the power analyzer (9) and signal converter (10) input through the second and third A/D conversion units (11, 12) and the output signals of the vehicle speed detection unit (4) and the position information detection unit (6) are It includes a computer 13 that receives and memorizes input in real time, and at the same time determines, memorizes, and outputs power status information along with speed and position information at that point when a fault or vehicle failure occurs.

At this time, the computer 13 displays various judgment information directly on the monitor 14 or outputs it to the remote railroad operation management system 17 through the wired and wireless communication interfaces 15 and 16.

Among the systems of the present invention, the speed sensor (1) installed on the wheels of the railway vehicle continuously generates a pulse signal corresponding to the rotation speed of the wheels while the railway vehicle is running, and the frequency-voltage converter (2) and the counter (5) Print it out.

Accordingly, the frequency-voltage converter 2 converts the frequency of the intermittent pulse detected through the speed sensor 1 into an analog voltage and outputs it to the first A/D converter 3. The first A/D conversion unit (3) converts the analog railway vehicle speed voltage output from the frequency-voltage conversion unit (2) into a digital signal.

Therefore, the vehicle speed detection unit 4 receives the output signal from the first A/D conversion unit 3, detects the current running speed of the railway vehicle, and transmits it to the computer 13.

Meanwhile, the counter 5 counts the intermittent pulses detected through the speed sensor 1 and sends them to the location information detection unit 6. Therefore, the location information detection unit 6 inputs the output signal of the counter 5. The location of the vehicle is detected by calculating the traveling distance of the railroad vehicle compared to the number of pulses.

At this time, the calculation method for determining the location of the railway vehicle in the location information detection unit 6 is input from the counter 5 based on the number of pulses generated when the wheel of the railway vehicle rotates one turn and the circumference length data of the wheel. By multiplying the number of pulses by the circumference length of the wheel, the starting point of the railway vehicle is considered as "0" and converted to "0", and the number of kilometers the railway vehicle is currently traveling is continuously calculated and the data is recognized as location information. and transmitted to the computer 13.

In addition, as described above, when the speed and position information is continuously detected while the railway vehicle is running and input into the computer 13, at the same time, the catenary voltage detection unit 7 and the catenary current detection unit 8 detect the information supplied to the pantograph of the railway vehicle. The voltage and the current flowing through it are respectively detected and output to the power analyzer (9) and signal converter (10).

Accordingly, the power analyzer 9 receives the output signals of the catenary voltage and current detection units 7 and 8 and analyzes the state of power. At this time, the power analyzer determines the amount of power used by the relevant railway vehicle, power factor, and effective effective power. The value and harmonic content are detected and analyzed.

In addition, the signal converter 10 converts the high voltage and current values detected from the catenary voltage and current detection units 7 and 8 into instantaneous values of a predetermined low voltage.

At this time, since the information output from the power analyzer 9 and the signal converter 10 is an analog signal, it is converted into a digital signal so that it can be recognized by the computer 13.

Therefore, in the computer 13, the output signal of the power analyzer 9 and the signal converter 10 input through the second and third A/D conversion units 11 and 12, the vehicle speed detection unit 4, and the position information detection unit The output signal of (6) is input and memorized in real time, and at the same time, when a break in the line or vehicle occurs, the status information of the power supplied from the catenary along with the speed and position information at that point (i.e., power usage, power factor, effective value, harmonics) content, etc.) is determined and memorized and printed.

In other words, the computer 13 determines the state of power supplied to the running railroad car by speed and location, and at the same time determines the location of the broken line or vehicle failure.

As a result, if there is no power supply for a certain period of time due to a wrong line or it is diagnosed that a failure has occurred in the power supply unit, the output signal from the vehicle speed detection unit 4 and the location information detection unit 6 is input and the power supply is connected to the other line or power supply. By reading and storing location information (KP: KiloPost) about the current running speed of the railway vehicle and which point it is running at at the time when the device is judged to be malfunctioning, it is stored within the vehicle and displayed on an output device such as the monitor 14. Accurate location and speed tracking is possible along with power status information at points where overhead line voltage is poor.

In addition, the computer 13 is further equipped with wired and wireless communication interfaces 15 and 16, so if necessary, it can directly display the power status, location, and speed information detected as above, or use a remote railway operation management system ( 17), it is possible to accurately recognize at what point and for what reason the train or power supply device failed while the relevant railway vehicle is running and take necessary follow-up measures within a short time.

That is, in the system of the present invention, one part of the voltage and current values received from the catenary is sent to the power analyzer (9) to obtain the power factor, power amount, effective value, and harmonic content, and then sent directly to the computer (13) to quickly increase the sampling frequency to about 10 kHz or more. While monitoring the power quality, the location and speed information at that time is memorized and displayed on the monitor (14). If necessary, it is also sent to the remote railway operation management system (17) through the wired and wireless communication interfaces (15, 16). By transmitting it, you can accurately determine information about places where overhead line voltage is not good.

On the other hand, it is better if the computer 13 is provided in large numbers, as shown in the examples in FIGS. 2 and 3, so that one computer 13 can be assigned and managed per railroad car.

In addition, each computer 13 may be connected to the main computer (MC) and configured to be integrated and controlled.

Dispersing each computer 13 in this way and then integrating them into the main computer (MC) has the advantage of enabling distributed control, increasing control efficiency, and preventing poor control or slowdown in response speed.

At this time, the computer 13 is seated and fixed on the tray 130, the tray 130 is bolted to the rack guide 140, and the rack guide 140 is installed upright on the floor of the server room. ) is fixed on the rack fixing plate 150.

In addition, a tripod fixer 152 is integrally provided at the bottom of the rack fixing plate 150, and the tripod fixer 152 is equipped with an electromagnet 154 to firmly maintain the fixing force depending on whether power is applied. It is composed.

Therefore, an iron plate 156 is fixed on the bottom surface where the triangular fixture 152 is to be placed so that the electromagnet 154 can be adsorbed and fixed by the magnetic force of the electromagnet 154.

In addition, the electromagnet 154 is connected to a commercial power source, and an on-off switch is provided to enable or lose magnetic force.

In addition, the rack fixing plate 150 is formed with a plurality of through holes 158, which is useful for naturally cooling the computer 13 mounted on the tray 130 by smoothing airflow, that is, convection, inside the server room.

In particular, the computer 13 is not a fixed computer itself, but a flange provided at the bottom of the computer housing is bolted when inserted into the computer housing. However, for convenience of explanation, it will be collectively referred to as a computer.

In addition, a fixing groove (GV) is recessed on the front of the rack fixing plate 150, that is, the part where the rack guide 140 is assembled.

In the fixing groove (GV), a fixing protrusion (146, see FIG. 3) protruding from the rear center of the rack guide 140 is inserted to set the installation standard, thereby facilitating the fixed installation work of the rack guide 140. give.

In addition, iron pieces (IR) of a certain length are embedded on both sides of the fixing groove (GV) to provide suction force to help the rack guide 140 be positioned during initial fixation.

Of course, a rubber magnet (MG) is embedded in the rear of the opposing rack guide 140.

In addition, as shown in the example of FIG. 3, the rack guide 140 has a structure in which both ends are bent to form a 'ㄷ' shaped guide groove 142.

In addition, the tray 130 includes a tray guider 132 that slides by fitting into the guide groove 142 and is bolted to the rack guide 140, and a tray guider 132 that protrudes vertically from the tray guider 132 and is connected to the computer 13. It includes a tray holder 134 on which the computer 13 is seated and fixed, and a tipping prevention band 136 fixed perpendicularly to the tip of the tray holder 134 to prevent the computer 13 from falling.

Here, the plate surface of the rack guide 140 may be formed with a plurality of irregularities 144 as shown in (a) of FIG. 3, which is to improve the sliding performance of the tray guider 132 and improve air permeability. This is to improve the air cooling characteristics of the computer 13.

Therefore, this structure is optional, and of course, it can be constructed as a flat plate without irregularities, as shown in (b) of Figure 3.

In addition, a fixing protrusion 146 inserted into the fixing groove (GV) protrudes from the rear center of the rack guide 140.

At this time, the fixing groove (GV) and the fixing protrusion 146 preferably have a square shape.

In addition, a pair of rubber magnets (MG) are embedded and installed on both sides of the rear side of the rack guide 140 so that they can be attached to the iron piece (IR).

Meanwhile, the tray 130, rack guide 140, and rack fixing plate 150 are all molded from a resin composition to achieve weight reduction.

In particular, these components must be maintained for a long period of time in a heat-producing environment without dust easily attaching to them, so they must have excellent foreign matter adhesion inhibition, heat resistance, corrosion resistance, waterproofing, and oxidation resistance.

For this purpose, the resin composition contains 100 parts by weight of PPO resin (Polyehenylene Oxide), 15 parts by weight of butyl prop-2-enoate, and 10 parts by weight of digalloyl trioleate. Parts by weight, Bismuth carbonate 5.5 parts by weight, Polymethylpentene 5.5 parts by weight, Abietic acid 3.5 parts by weight, 2H-(perfluorooctyl)methacrylate (2H- It is composed of 5.5 parts by weight of perfluorooctyl methacrylate).

Here, PPO resin (Polyehenylene Oxide) is a high-temperature and heat-resistant resin, and has the advantage of electrical insulation due to low moisture absorption (water resistance), excellent dimensional stability, excellent hardness and impact strength, and is lightweight, allowing for lightweighting.

In addition, butyl prop-2-enoate is a substance corresponding to CAS number 28063-87-8, and provides ductility, impact reinforcement, and binding strengthening functions to resin molded products while increasing bending strength. It is added to do so.

In addition, digalloyl trioleate refers to C ₆₈ H ₁₀₆ O ₁₂ and is a substance corresponding to CAS number 17048-39-4. It removes stickiness, smoothes the surface of molded products, prevents oxidation, and blocks ultraviolet rays. This enhances acid resistance and durability.

In addition, bismuth carbonate is a substance corresponding to CAS number 5892-10-4, and is added to reduce voids by reducing the moisture content of the material and thereby improve strength.

In addition, polymethylpentene has a low viscosity and good fluidity, making it easy to apply. In particular, it has a very high melting point of 235°C, has excellent mechanical strength at high temperatures, and is added to enhance heat resistance stability.

In addition, abietic acid is added to strengthen watertightness by reacting with water to induce saponification of insoluble calcium and thereby forming a strong film.

In addition, 2H-perfluorooctyl methacrylate (2H-perfluorooctyl methacrylate) is a substance corresponding to CAS number 2144-53-8, and is added to prevent cracks by enhancing transparency and stabilizing the coating layer. .

On the other hand, as shown in the examples of FIGS. 4 and 5, the present invention may further include a cooling means for air cooling the computer 130.

As shown, the cooling means includes a plurality of dry air supply pipes 210 piped through the lowest through hole 158 among the through holes 158 formed in the rack fixing plate 150, and the dry air supply pipe 210. ) and a dry air injector 230 installed on the dry air supply pipe 210 to discharge the dry air supplied from the blower 220.

At this time, the dry air injector 230 is installed on the branch pipe 212 assembled to a portion of the length of the dry air supply pipe 210.

The branch pipe 212 is formed in a 'ㅗ' shape, and the dry air injector 230 is installed on the protruding shunt 214 by screwing it.

Here, the dry air injector 230 includes a main body housing 231 screwed onto the shunt 214, a lower rocker 232 caught at the inner bottom of the main body housing 231, and the main housing 230. A slider 233 built into (231) and sliding, a cylinder 234 screwed to the slider 233 and having a spray hole (H), and the slider 233 inserted into the cylinder 234. A fixture 235 screwed to the top of the main housing 231 so that it does not come off, an upper locker 235' fixed to the top of the cylinder 234, and a cover to cover the upper locker 235'. It includes a cap 236 screwed to the top of the cylinder 234, and a spring 237 that binds the lower rocker 232 and the upper rocker 235'.

Accordingly, when air is supplied from the blower 220, the slider 233 under pressure rises and the injection hole H formed in the cylinder 234 is exposed to the outside, so that dry air is sprayed.

The sprayed dry air cools the area around the computer 13, and this dry air has a temperature lower than the temperature inside the server room.

Therefore, the server room is cooled, and as a result, the heat generated by the computer 13 is dissipated and cooled, thereby preventing deterioration of the computer 13.

Also, when the air supply through the blower 220 is cut off, the cylinder 234 moves to its initial position due to the compressive force of the spring 237 and seals the injection hole H, thereby blocking air discharge.

Because of this, indiscriminate air supply can be controlled and the server room can be kept cooled to a uniform temperature.

In addition, the main housing 231, slider 233, and cylinder 234 of the dry air sprayer 230 are coated with a protective layer on their inner and outer surfaces to ensure corrosion resistance and waterproofing.

The coating liquid forming the protective layer contains 10 parts by weight of dodecyldimethylbenzylammonium chloride, 5.5 parts by weight of guar gum, and tert-butyl 2-ethylhexane peroxane, based on 100 parts by weight of polycarbonate resin. It is composed by mixing 5.5 parts by weight of salt (Tert-Butyl Pepoxy-2-Ethyhexanoate) and 10 parts by weight of dibutyl sebacate.

At this time, dodecyldimethylbenzylammonium Chloride is added to improve slip properties by inducing surface uniformity.

And, guar gum maintains tensile strength while increasing waterproofing.

In addition, Tert-Butyl Pepoxy-2-Ethyhexanoate is added to enhance heat resistance and suppress internal oxide generation.

In addition, dibutyl sebacate is a substance corresponding to CAS number 109-43-3, which increases the thermal decomposition resistance of the coating layer.

On the other hand, as shown in the examples of FIGS. 6 and 7, a plurality of earthquake-resistant units 410 may be further installed between the steel plate 156 and the floor.

As shown in the example of FIG. 7, the seismic unit 410 includes a fixed housing 412 embedded in the bottom surface, is assembled perpendicular to the fixed housing 412, moves up and down, and has a steel plate 156 fixed to the upper surface. Includes an elevator 414.

At this time, the fixed housing 412 is a 'T' shaped member with an empty interior and an open top, and includes a spring cylinder 420 in the inner space on both sides, an operating rod 422 coupled to the spring cylinder 420, and , It includes a push bar 424 fixed to the operating rod 422 and supported on both sides of the elevator 414, and an elastic spring 430 installed in the lower internal space.

In addition, a spring fixing groove 440 recessed upward is formed on the lower surface of the elevator 414, and the upper end of the elastic spring 430 is inserted and fixed into the spring fixing groove 440.

Accordingly, when an external force acts and vibrates, the elevator 414 moves up and down while compressing the elastic spring 430. At this time, a pair of push rods 424 grounded on both inclined surfaces work together to provide a close cushioning effect. This happens.

For this purpose, the elevator 414 is preferably formed in an inverted trapezoidal shape.

In addition, a surface coating layer is formed on each surface of the elevator 414 and the push bar 424 to reduce frictional resistance. A preferred coating liquid is dodecyldimethylbenzylammonium chloride for 100 parts by weight of acrylic resin. It is formed by mixing 10 parts by weight of Chloride, 5.5 parts by weight of Copper Thiocyanate, 7.5 parts by weight of Sodium Silicates, and 3.5 parts by weight of Mica (Silicate Mineral).

At this time, dodecyldimethylbenzylammonium Chloride is added to improve slip properties by inducing surface uniformity.

In addition, copper thiocyanate is a copper-based antifouling agent corresponding to CAS number 1111-67-7 and suppresses the adhesion of foreign substances.

In addition, sodium silicates induce gelation to form a film, thereby increasing slip properties and reducing friction resistance.

In addition, mica (silicate mineral) is a type of silicate mineral. It is used after being crushed to a size of 0.1-0.2㎛ and then sieved. Due to its hard nature, it strengthens surface hardness, increases wear resistance and reduces friction resistance.

As described above, according to the present invention, after receiving the catenary voltage and current from the overhead line, these signals are sent to a power analyzer and a signal converter, and the results of the power amount, power factor, effective value, and harmonic content are obtained through the power analyzer. Not only does it provide instantaneous values through a signal converter, but it also receives information on speed and position through a computer to accurately monitor sections where breakdowns or broken lines occur, as well as computers used for monitoring and control of each railroad car. Control efficiency is improved through integrated management by providing trays, rack guides, and rack fixing plates for distributed arrangement. In particular, it prevents deterioration through smooth heat dissipation of the computer to prevent control failures, and provides safety by being equipped with earthquake-resistant characteristics of the rack fixing plate. and stability can be satisfied at the same time.

1:Speed sensor 2:Frequency-voltage conversion unit
3: First A/D conversion unit 4: Vehicle speed detection unit
5: Counter 6: Location information detection unit
7: Tram line voltage detection unit 8: Tram line current detection unit
9:Power analyzer

Claims (2)

.
A speed sensor (1) installed on the wheel and generating a pulse signal corresponding to the rotation speed of the wheel while the railway vehicle is running; a frequency-voltage converter (2) that converts the frequency of the intermittent pulse detected through the speed sensor (1) into voltage; a first A/D converter (3) that converts the analog railway vehicle speed voltage output from the frequency-voltage converter (2) into a digital signal; a vehicle speed detection unit (4) that receives the output signal from the first A/D conversion unit (3) and detects the current running speed of the railway vehicle; a counter (5) that counts intermittent pulses detected through the speed sensor (1); a location information detection unit (6) that receives the output signal of the counter (5) and calculates the traveling distance of the railway vehicle compared to the number of pulses to detect the location of the vehicle; a catenary voltage detection unit (7) that detects the voltage supplied to the railroad car from the catenary line; A tram line current detection unit (8) that detects the current flowing in the railroad car from the tram line; a power analyzer (9) that receives the output signals of the catenary voltage and current detection units (7, 8) and analyzes the amount of power used, power factor, effective value, and harmonic content; A signal converter (10) that converts the high voltage and current values detected from the catenary voltage and current detection units (7, 8) into instantaneous values of a predetermined low voltage; Second and third A/D conversion units (11, 12) that convert analog information output from the power analyzer (9) and signal converter (10) into digital signals; The output signals of the power analyzer (9) and signal converter (10) input through the second and third A/D conversion units (11, 12) and the output signals of the vehicle speed detection unit (4) and the position information detection unit (6) are It includes a computer 13 that receives and remembers input in real time, and at the same time determines, memorizes, and outputs power status information along with speed and position information at the time when a fault or vehicle failure occurs,
The computers 13 are provided one per railroad car, and each of the computers 13 is connected to a main computer (MC) for integrated control; The computer 13 is seated and fixed on a tray 130, the tray 130 is bolted to the rack guide 140, and the rack guide 140 is mounted on a rack fixing plate 150 installed upright on the floor of the server room. ) is fixed on; A tripod holder 152 is integrally provided at the bottom of the rack fixing plate 150, the tripod holder 152 is provided with an electromagnet 154, and an iron plate 156 is placed on the bottom surface on which the tripod holder 152 will be mounted. ) is fixed and configured to be adsorbed by the magnetic force of the electromagnet 154;
The rack fixing plate 150 further includes a cooling means for air cooling the computer 130, and the cooling means is piped through the lowermost through hole 158 formed in the rack fixing plate 150. A plurality of dry air supply pipes 210, a blower 220 for supplying dry air through the dry air supply pipe 210, and a blower 220 installed in the dry air supply pipe 210 to blow dry air supplied from the blower 220. It includes a dry air sprayer (230) that discharges;
A plurality of earthquake-resistant units 410 are further installed between the steel plate 156 and the floor, and the earthquake-resistant units 410 include a fixed housing 412 embedded in the floor and vertical to the fixed housing 412. In the communication precision safety diagnosis management system for communication equipment, which is assembled and moves up and down and includes an elevator 414 with a steel plate 156 fixed on the upper surface,
A plurality of through holes 158 that induce natural convection are further formed in the rack fixing plate 150, and a fixing groove (GV) is recessed on the surface of the rack fixing plate 150 where the rack guide 140 is assembled. A fixing protrusion 146 inserted into the fixing groove (GV) protrudes from the rear center of the rack guide 140, and steel pieces (IR) of a certain length are embedded on both sides of the fixing groove (GV), and the steel pieces (IR ) A rubber magnet (MG) is embedded in the rear of the rack guide 140 opposite to );
The dry air sprayer 230 is installed on a branch pipe 212 assembled to a portion of the length of the dry air supply pipe 210, and the branch pipe 212 is formed in a 'ㅗ' shape, and a protruding shunt 214 ) The dry air injector 230 is installed on the top in a screwed manner; The dry air sprayer 230 includes a main body housing 231 screwed onto the shunt 214, a lower rocker 232 caught at the inner bottom of the main body housing 231, and a main body housing 231. A slider 233 that is built in and slides, a cylinder 234 screwed to the slider 233 and having a spray hole (H), and a cylinder 234 inserted into the cylinder 234 so that the slider 233 does not come off. A fixture 235 screwed to the top of the main housing 231, an upper locker 235' fixed to the top of the cylinder 234, and a cylinder 234 to cover the upper locker 235'. It includes a cap 236 screwed to the top, and a spring 237 that binds the lower rocker 232 and the upper rocker 235';
The fixed housing 412 is a 'T'-shaped member with an empty interior and an open top, and has a spring cylinder 420 in the inner space on both sides, an operating rod 422 coupled to the spring cylinder 420, and an operation. It includes a push bar 424 fixed to the rod 422 and supported on both sides of the elevator 414, and an elastic spring 430 installed in the lower internal space;
A spring fixing groove 440 recessed upward is formed on the lower surface of the elevator 414, and the upper end of the elastic spring 430 is inserted and fixed into the spring fixing groove 440,
The computer 13 monitors power factor, power amount, effective value, and harmonic content at a sampling frequency of 10 kHz,
The electromagnet 154 is connected to a commercial power source and is provided with an on-off switch to enable or lose magnetic force,
The rack guide 140 is bent at both ends to form a 'ㄷ' shaped guide groove 142,
The tray 130, rack guide 140, and rack fixing plate 150 must be maintained for a long time in a heat-generating environment without dust easily attaching to them, so they have anti-foreign matter adhesion resistance, heat resistance, corrosion resistance, waterproofing, and durability. It is molded with an oxidizing resin composition to achieve weight reduction,
The resin composition contains 100 parts by weight of PPO resin (Polyehenylene Oxide), 15 parts by weight of butyl prop-2-enoate, 10 parts by weight of digalloyl trioleate, Bismuth carbonate 5.5 parts by weight, Polymethylpentene 5.5 parts by weight, Abietic acid 3.5 parts by weight, 2H-perfluorooctyl methacrylate It is composed of 5.5 parts by weight,
The main housing 231, slider 233, and cylinder 234 of the dry air sprayer 230 are coated with a protective layer on their inner and outer surfaces to ensure corrosion resistance and waterproofing,
The coating liquid forming the protective layer contains 10 parts by weight of dodecyldimethylbenzylammonium chloride, 5.5 parts by weight of guar gum, and tert-butyl 2-ethylhexane peroxane, based on 100 parts by weight of polycarbonate resin. It is composed by mixing 5.5 parts by weight of salt (Tert-Butyl Pepoxy-2-Ethyhexanoate) and 10 parts by weight of dibutyl sebacate,
The elevator 414 is formed in an inverted trapezoidal shape,
A surface coating layer is formed on each surface of the elevator 414 and the push bar 424 to reduce frictional resistance. A preferred coating liquid is 10 parts by weight of dodecyldimethylbenzylammonium chloride per 100 parts by weight of acrylic resin. A precision safety diagnosis management system for communication equipment, characterized in that it is formed by mixing 5.5 parts by weight of Copper Thiocyanate, 7.5 parts by weight of Sodium Silicates, and 3.5 parts by weight of Mica (Silicate Mineral). .

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