Urban rail transit communication signal power supply measuring device

Abstract

The utility model discloses a kind of urban rail transit communication signal power supply measuring devices, including working baseplate, the working baseplate top is fixed with measurement room, the inside upper end of measurement room is provided with clamping plate, signal power supply is placed in the top of clamping plate, the bottom end fixed with bottom pad in measurement room inside, oscilloscope is placed in the top center of bottom pad, signal power supply outer side left and right ends are all set with plug-in hole, plug-in hole inside is fixed with plug-in protection ring, the left and right ends of oscilloscope outside are all fixed with docking ring, measurement wire is embedded between the inside of docking ring and plug-in protection ring, and the left and right ends of two the docking ring outside positive end are all set with thread fixing hole, by inserting signal power supply two sides plug-in protection ring in one end of measurement wire respectively, the other end is embedded in the docking ring fixed in the left and right ends of oscilloscope, measurement is carried out, and fixed bolt is screwed in the thread fixing hole of the positive end of docking ring, realize the fixed effect of wire.

Description

Technical Field

[0001] This utility model relates to the field of urban rail transit communication technology, and in particular to an urban rail transit communication signal power supply measuring device. Background Technology

[0002] Urban rail transit communication systems are essential integrated communication systems that ensure the safe, fast, and efficient operation of trains. These systems mainly include subsystems such as transmission systems, public telephone systems, dedicated telephone systems, wireless trunking communication systems, closed-circuit television (CCTV) monitoring systems, public address systems (PA), clock systems, power supply and grounding systems, passenger information systems (PIS), and office automation (OA). Urban rail transit communication signal power supply measurement is the process of using specialized measuring devices to detect the power supply of communication and signaling equipment within the urban rail transit system.

[0003] In the prior art, a subway signal interlocking power supply measuring device, according to patent publication number CN216718635U, includes a rectangular circuit board on the front, and a master channel unit and a slave channel unit located on the front of the circuit board. This device measures the output voltage of the interlocking power supply module under test online by measuring the output voltage of the first to eighth measuring terminals, thus helping staff to quickly, accurately, and reliably grasp fault data. However, in the prior art, communication signal power supply measurement typically involves measuring parameters such as voltage, current, and power. When performing measurements, selecting appropriate measuring cables is crucial for obtaining accurate results. The quality and characteristics of the measuring cables directly affect signal transmission and measurement accuracy. Currently, the power cables used for measurement are inconvenient to disassemble and maintain, prone to water ingress, and difficult to fix and place. Furthermore, after measurement, the power cables need to be coiled up to avoid a messy situation, thus increasing labor costs. Utility Model Content

[0004] The purpose of this utility model is to provide a power supply measuring device for urban rail transit communication signals, in order to solve the problems of the power cord used in the current measurement being inconvenient to disassemble, difficult to maintain, prone to water ingress, and inconvenient to fix and place. Moreover, after the measurement is completed, the power cord used for measurement needs to be coiled up to avoid a messy situation, thereby increasing the labor burden.

[0005] To achieve the above objectives, a power supply measurement device for urban rail transit communication signals is provided, comprising a working base plate, a measuring chamber fixed to the top of the working base plate, a snap-fit ​​plate disposed at the upper end of the measuring chamber, a signal power supply placed on the top of the snap-fit ​​plate, a base pad fixed to the bottom of the inner side of the measuring chamber, an oscilloscope placed at the center of the top of the base pad, insertion holes being provided at both the left and right ends of the outer side of the signal power supply, insertion protection rings being fixed inside the insertion holes, and docking rings being fixed at both the left and right ends of the outer side of the oscilloscope, with measuring wires embedded between the inner sides of the docking rings and the insertion protection rings, and threaded fixing holes being provided at the positive ends of the outer sides of the two docking rings.

[0006] According to the aforementioned urban rail transit communication signal power supply measuring device, the signal power supply is provided with internal slots at both the left and right ends of its outer side, and both internal slots are located on the lower left side of the corresponding insertion hole.

[0007] According to the aforementioned urban rail transit communication signal power measurement device, the bottom periphery of the snap-fit ​​plate and the top periphery of the base pad are connected by multiple telescopic components, and the left and right ends of the snap-fit ​​plate are slidably connected to the inner wall of the measurement chamber.

[0008] According to the aforementioned urban rail transit communication signal power measurement device, two slots are passed through the left and right ends of the measurement chamber, and a ventilated plate is fixed inside the slots, with multiple vent holes passing through the outside of the ventilated plate.

[0009] According to the aforementioned urban rail transit communication signal power measurement device, the snap-fit ​​plate and the outer surface of the base pad are both insulated.

[0010] According to the aforementioned urban rail transit communication signal power supply measuring device, two isolation doors are rotatably connected to the outside of the measuring chamber, and both isolation doors are made of transparent material.

[0011] According to the aforementioned urban rail transit communication signal power supply measurement device, a controller is fixed inside the lower left side of the measurement chamber, and the oscilloscope is electrically connected to the controller.

[0012] According to the aforementioned urban rail transit communication signal power measurement device, the inner walls of both docking rings are smooth surfaces.

[0013] The above solution offers the following advantages: The signal power supply has insertion holes at both ends, with insertion protection rings fixed inside to protect the connection interface and improve connection reliability. For electrical connection, two measuring leads are taken, one end of which is inserted into the insertion protection rings on both sides of the signal power supply to establish an electrical connection. The other end is embedded in the mating rings fixed at both ends of the oscilloscope to establish an electrical connection. To further secure the leads and prevent loosening, a fixing bolt can be screwed into the threaded fixing hole at the positive end of the mating ring to tighten the outer sheath of the measuring leads, thus achieving mechanical fixation and electrical connection stability. If it is necessary to output the measurement data of the signal power supply to external devices, a data connector can be inserted into the internal slots on the lower left side of the insertion holes at both ends for data transmission.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a front side view of the measuring chamber of an urban rail transit communication signal power supply measuring device according to the present invention;

[0017] Figure 2 This is a schematic diagram of the oblique side of the measuring chamber of an urban rail transit communication signal power supply measuring device according to the present invention;

[0018] Figure 3 This is an enlarged schematic diagram of point A of the urban rail transit communication signal power supply measuring device of this utility model;

[0019] Figure 4 This is an enlarged schematic diagram of point B of the urban rail transit communication signal power supply measuring device of this utility model;

[0020] Figure 5 This is a schematic diagram of the outer side of a power supply measuring device for urban rail transit communication signals according to the present invention.

[0021] Legend:

[0022] 1. Working base plate; 2. Measurement chamber; 3. Connecting plate; 4. Signal power supply; 5. Base pad; 6. Oscilloscope; 7. Plug-in hole; 8. Plug-in protection ring; 9. Connecting ring; 10. Measuring leads; 11. Threaded fixing hole; 12. Internal slot; 13. Telescopic component; 14. Slot; 15. Ventilation plate; 16. Isolation door; 17. Controller. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1-5 This utility model discloses a power supply measuring device for urban rail transit communication signals, comprising a working base plate 1, a measuring chamber 2 fixed to the top of the working base plate 1, a snap-fit ​​plate 3 disposed at the upper end of the measuring chamber 2, a signal power supply 4 placed on the top of the snap-fit ​​plate 3, a base pad 5 fixed to the bottom of the inner side of the measuring chamber 2, an oscilloscope 6 placed at the center of the top of the base pad 5, insertion holes 7 opened at both ends of the outer side of the signal power supply 4, insertion protection rings 8 fixed inside the insertion holes 7, and docking rings 9 fixed at both ends of the outer side of the oscilloscope 6. A measuring wire 10 is embedded between the docking ring 9 and the inner side of the insertion protection ring 8, and the two docking rings 9 are further... Each end of the device is provided with a threaded fixing hole 11. In the prior art, power supply measurement of communication signals usually involves measuring parameters such as voltage, current, and power of the power supply. When performing the measurement, selecting a suitable measuring cable is crucial for obtaining accurate measurement results. The quality and characteristics of the measuring cable directly affect the signal transmission and measurement accuracy. However, the power cables currently used for measurement are inconvenient to disassemble and maintain, prone to water ingress, and difficult to fix and place. Moreover, after the measurement is completed, the power cables used for measurement need to be coiled up to avoid a messy situation, thus increasing labor. To address these issues, a new method can be developed... The oscilloscope 6 employs a design where two connector holes 7 are provided on both the left and right sides of the signal power supply 4, with connector protection rings 8 fixed inside the connector holes 7. Additionally, two mating rings 9 are fixed on both the left and right sides of the oscilloscope 6. When power measurement is required, two compatible measuring leads 10 are inserted, one end of which is inserted into the corresponding connector protection ring 8 for electrical connection to the signal power supply 4, and the other end is inserted into the corresponding mating ring 9 for electrical connection to the oscilloscope 6. A fixing bolt is then screwed into the threaded fixing hole 11 to secure the measuring leads 10. Finally, the oscilloscope 6 is started via the controller 17. To achieve the measurement effect, firstly, it can perform waveform analysis. By observing the waveform shape, amplitude, and frequency characteristics of the power supply output of the signal power supply 4, the stability and quality of the power supply of the signal power supply 4 can be evaluated. Secondly, the oscilloscope 6 can be used to measure the frequency of the power supply output of the signal power supply 4. By measuring the period or pulse interval of the waveform, the output frequency of the power supply of the signal power supply 4 can be accurately determined. The oscilloscope 6 can also measure the peak value and average value of the power supply output of the signal power supply 4 to evaluate the output power and stability of the power supply of the signal power supply 4. Peak value measurement helps to determine the maximum amplitude of the power supply output of the signal power supply 4.

[0025] The signal power supply 4 has internal slots 12 on both the left and right sides. Both internal slots 12 are located on the lower left side of the corresponding plug hole 7. By opening the internal slots 12, it is easy to insert the data connector inside the internal slots 12, allowing the signal power supply 4 to transmit data to external devices, which is convenient for personnel to know.

[0026] The bottom perimeter of the snap-fit ​​plate 3 is connected to the top perimeter of the base pad 5 by multiple telescopic components 13. The left and right ends of the snap-fit ​​plate 3 are slidably connected to the inner wall of the measuring chamber 2. By setting multiple telescopic components 13, it is easy to change the overall height of the signal power supply 4. Two slots 14 pass through the left and right ends of the measuring chamber 2. A ventilated plate 15 is fixed inside the slots 14. Multiple ventilated holes pass through the outside of the ventilated plate 15. By setting the ventilated plate 15 and opening multiple ventilated holes on the outside of the ventilated plate 15, it is easy to achieve the effect of ventilation inside the measuring chamber 2.

[0027] Both the snap-fit ​​plate 3 and the outer surface of the base pad 5 are insulated to prevent electrical conductivity. There are two isolation doors 16 rotatably connected to the outside of the measuring chamber 2. Both isolation doors 16 are made of transparent material to facilitate the overall sealing of the measuring chamber 2 and avoid affecting the measurement results.

[0028] A controller 17 is fixed on the lower left side inside the measurement chamber 2. The oscilloscope 6 is electrically connected to the controller 17. By setting the controller 17, it is easy to start the oscilloscope 6. The inner walls of the two mating rings 9 are smooth surfaces to avoid wear on the outside of the measurement leads 10.

[0029] Working Principle: When using this device to measure signal power, first open the transparent isolation door 16 on the front side of the measurement chamber 2. Place the signal power supply 4 to be tested on the snap-fit ​​plate 3 at the upper end of the measurement chamber 2, and adjust its height using the multiple telescopic components 13 connected around the bottom of the snap-fit ​​plate 3 to accommodate signal power supplies 4 of different sizes and ensure stable placement. The signal power supply 4 has insertion holes 7 at both ends, with insertion protection rings 8 fixed inside to protect the connection interface and improve connection reliability. For electrical connection, take two measuring wires 10, insert one end into the insertion protection rings 8 on both sides of the signal power supply 4 to achieve electrical connection with the signal power supply 4, and embed the other end into the docking rings 9 fixed at both ends of the oscilloscope 6 to establish electrical connection with the oscilloscope 6. To further secure the wires and prevent them from loosening, a fixing bolt can be screwed into the threaded fixing hole 11 at the positive end of the mating ring 9 to tighten the outer sheath of the measuring wire 10, thereby achieving mechanical fixation and electrical connection stability. If it is necessary to output the measurement data of the signal power supply 4 to external devices, the data connector can be inserted into the internal slot 12 provided on the lower left side of the plug holes 7 at both ends of the signal power supply 4 for data transmission. After completing the wiring, close the isolation door 16 to keep the measurement room 2 in a sealed state to avoid the external environment from affecting the measurement results. Start the oscilloscope 6 through the controller 17 fixed on the lower left side of the measurement room 2 to begin measuring and analyzing the output signal of the signal power supply 4. The oscilloscope 6 can measure key parameters such as power supply output waveform, frequency, peak value, and average value, thereby evaluating the stability, output quality, and power characteristics of the power supply. During the measurement process, the ventilation plates 15 on both sides of the measurement chamber 2 and the ventilation holes on the plates can provide necessary ventilation and heat dissipation to prevent the equipment from overheating. The snap-fit ​​plate 3 and the bottom pad 5 in the whole device are designed with insulating surfaces to prevent accidental conduction and improve operational safety. After the measurement is completed, first turn off the oscilloscope 6 through the controller 17, open the isolation door 16, loosen the fixing bolts, pull out the measurement lead 10, and finally take out the signal power supply 4.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A power supply measurement device for urban rail transit communication signals, comprising: The working base plate (1) is characterized in that a measuring chamber (2) is fixed on the top of the working base plate (1), a snap-fit ​​plate (3) is provided at the upper end of the measuring chamber (2), a signal power supply (4) is placed on the top of the snap-fit ​​plate (3), a bottom pad (5) is fixed on the bottom side of the measuring chamber (2), an oscilloscope (6) is placed at the center of the top of the bottom pad (5), a plug-in hole (7) is provided on both the left and right sides of the outside of the signal power supply (4), a plug-in protection ring (8) is fixed on the inside of the plug-in hole (7), a docking ring (9) is fixed on both the left and right sides of the outside of the oscilloscope (6), a measuring wire (10) is embedded between the docking ring (9) and the inside of the plug-in protection ring (8), and a threaded fixing hole (11) is provided on the positive end of the outside of the two docking rings (9).

2. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, The signal power supply (4) has internal slots (12) on both the left and right sides of its outer side, and both internal slots (12) are located on the lower left side of the corresponding plug hole (7).

3. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, The bottom perimeter of the snap-fit ​​plate (3) is connected to the top perimeter of the base pad (5) by multiple telescopic components (13), and the left and right ends of the snap-fit ​​plate (3) are slidably connected to the inner wall of the measuring chamber (2).

4. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, The measuring chamber (2) has two slots (14) running through its left and right sides. A breathable plate (15) is fixed inside the slots (14), and a number of air holes run through the outside of the breathable plate (15).

5. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, The outer surfaces of the snap-fit ​​plate (3) and the base pad (5) are both insulated.

6. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, The measuring room (2) has two isolation doors (16) rotatably connected to the outside of the measuring room (2), and both isolation doors (16) are made of transparent material.

7. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, A controller (17) is fixed inside the lower left side of the measurement room (2), and the oscilloscope (6) is electrically connected to the controller (17).

8. The urban rail transit communication signal power supply measuring device according to claim 1, characterized in that, The inner walls of both docking rings (9) are smooth.

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