Railway tunnel insulation tubular bus device based on online monitoring, use method and application thereof

Abstract

The invention relates to a railway tunnel insulation tubular bus device based on online monitoring, a use method and application thereof, the railway tunnel insulation tubular bus device comprises an insulation tubular bus body connected with a power supply power grid, and a temperature measurement sensing assembly arranged on the insulation tubular bus body, through the insulation tubular bus body, electric power transmission in a railway tunnel is realized, and the temperature measurement sensing assembly is arranged on the insulation tubular bus body. Through the temperature measurement sensing assembly, the insulation tubular bus body picks up a temperature signal in an electric power transmission state, electric power supply in a railway tunnel in an on-line signal monitoring state is realized, and the technical problem that electric power is supplied in the railway tunnel by directly using a cable is solved. Therefore, reliable power supply can be realized in a middle railway tunnel in which a large long tunnel accounts for more than 90%.

Description

Technical Field

[0001] The invention relates to an insulating tubular busbar device, a use method and applications thereof, in particular to an insulating tubular busbar device for a railway tunnel based on online monitoring, a use method and applications thereof. Background Art

[0002] An insulated tubular busbar device refers to a system consisting of an insulated tubular busbar body, accessories and ancillary facilities, which meets the electrical connection, current carrying capacity and insulation requirements of electrical equipment. Therefore, the insulated tubular busbar device is an important cable component. Among the existing insulated tubular busbar devices, there is no insulated tubular busbar device for railway tunnels based on online monitoring. Cables are still used directly to supply power in railway tunnels. Due to the limitations of environmental problems and complex landforms, there are problems such as harsh environment, high altitude with an average altitude of more than 4,000 meters, thin air, low air pressure, large temperature difference, much sunshine, relatively strong ultraviolet radiation, high intensity and frequency of earthquakes, geothermal temperatures as high as 100°C, severe wind and sand, and sparsely populated and difficult maintenance. It has not yet met the requirements for reliable power supply in railway tunnels, which account for more than 90% of the long tunnels. The present invention uses the technical feature of supplying electricity in a railway tunnel under the condition of online monitoring signals to effectively explore and study the technical problem of directly using cables to supply electricity in a railway tunnel at the technical level. The statements here only provide background technology related to the present invention and do not necessarily constitute prior art. The technical solution of the present invention is made based on the technical briefing document provided by the applicant on May 26, 2024, which solves actual technical problems in the work process, and the existing technical problems, technical features and technical effects in similar patent documents and background technologies obtained through retrieval. Summary of the invention

[0003] The object of the present invention is a railway tunnel insulated tubular busbar device based on online monitoring. The object of the present invention is a method for using a railway tunnel insulated tubular busbar device based on online monitoring. The object of the present invention is an application of a railway tunnel insulating tubular busbar device and a use method based on online monitoring.

[0004] In order to overcome the above technical shortcomings, the purpose of the present invention is to provide an insulated tubular busbar device for railway tunnels based on online monitoring, a method of use and its application, so as to achieve reliable power supply in railway tunnels that account for more than 90% of the long tunnels.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an insulated tubular busbar device for a railway tunnel based on online monitoring, comprising an insulated tubular busbar body configured to be connected to a power supply grid, and a temperature measuring sensor component arranged on the insulated tubular busbar body.

[0006] Due to the design of the insulated tubular busbar body and the temperature sensing component, power transmission in the railway tunnel is realized through the insulated tubular busbar body, and the temperature sensing component is used to pick up the temperature signal of the insulated tubular busbar body when transmitting power, thereby realizing power supply in the railway tunnel under the state of online monitoring signal, solving the technical problem of directly using cables to supply power in the railway tunnel, and thus meeting the requirement of reliable power supply in the railway tunnels which account for more than 90% of the long tunnels.

[0007] The present invention is designed to interconnect the insulating tubular busbar body and the temperature sensing assembly in a manner that power is supplied in a railway tunnel under an online monitoring signal state.

[0008] The present invention is designed to connect the temperature sensing component with the insulating tubular busbar body in a manner of picking up the temperature signal in the state of transmitting electric power.

[0009] The present invention designs that the insulating tubular busbar body is arranged to include a first section of the insulating tubular busbar, a second section of the insulating tubular busbar, an intermediate joint, a plug-in terminal, a busbar cold shrink terminal and a terminal clamp.

[0010] The present invention designs that the temperature measurement sensor component is configured to include a sleeve temperature measurement optical fiber and a temperature measurement sensor.

[0011] The technical effects of the above five technical solutions are: realizing the temperature detection operation of the insulating tubular bus body that transmits power, and realizing the online monitoring of the temperature fluctuation of the insulating tubular bus body caused by abnormal power transmission.

[0012] The present invention is designed to further include a first accessory device, and the first accessory device is arranged on the insulating tubular busbar body, and the first accessory device is arranged as an operating current sensor.

[0013] The present invention is designed to further include a second accessory device, and the second accessory device is arranged on the insulating tubular busbar body, and the second accessory device is arranged to include a grounding circulation sensor and an ultra-wideband sensor assembly.

[0014] The present invention is designed to also include a third accessory device, and the third accessory device is respectively arranged on the insulating tubular bus body, the first accessory device and the second accessory device. The third accessory device is configured to include a partial discharge signal collector, a grounding loop current signal collector, an optical fiber remote module, an online monitoring host and a monitoring platform center.

[0015] The technical effects of the above three technical solutions are: realizing the integrated installation of other components, and expanding the technical effects of the present invention.

[0016] The present invention is designed to provide an intermediate joint between a first section of an insulating tubular busbar and a second section of an insulating tubular busbar, a grounding circulation sensor is provided on the intermediate joint, and a working current sensor is provided between the first section of the insulating tubular busbar and the intermediate joint, a plug-in terminal is provided on the first section of the insulating tubular busbar, and a casing temperature measuring optical fiber is provided between the plug-in terminal and the first section of the insulating tubular busbar, a busbar cold shrink terminal is provided on the second section of the insulating tubular busbar, and ultra-wideband sensor assemblies are respectively provided between the second section of the insulating tubular busbar and the intermediate joint and the busbar cold shrink terminal, a terminal clamp is provided on the busbar cold shrink terminal, and a temperature measuring sensor is provided on the terminal clamp, a partial discharge signal collector is provided on the ultra-wideband sensor assembly, and a grounding circulation signal collector is provided on the grounding circulation sensor, an optical fiber remote module is provided between the partial discharge signal collector and the grounding circulation signal collector and an online monitoring host, and a monitoring platform center is provided on the online monitoring host.

[0017] The technical effect of the above technical scheme is that the basic technical scheme of the present invention is formed by the first section of insulating tubular busbar, the second section of insulating tubular busbar, the intermediate joint, the plug-in terminal, the busbar shrink terminal, the terminal clamp, the grounding circulation sensor, the casing temperature measuring optical fiber, the operating current sensor, the ultra-wideband sensor assembly, the temperature measuring sensor, the partial discharge signal collector, the grounding circulation signal collector, the optical fiber remote module, the online monitoring host and the monitoring platform center, which solves the technical problem of the present invention.

[0018] The present invention designs that the casing temperature measuring optical fiber is arranged to be connected in a surrounding manner to the connection part between the plug-in terminal and the first section of the insulating tubular busbar, and the output interface of the casing temperature measuring optical fiber is arranged to be connected to the online monitoring host.

[0019] The technical effect of the above technical solution is to realize the temperature optical fiber tube measurement of the plug-in terminal.

[0020] The present invention is designed that the temperature measuring sensor is configured as a contact temperature measuring sensor and the contact of the temperature measuring sensor is configured to be connected to a terminal fixture, and the output interface of the temperature measuring sensor is configured to be connected to an online monitoring host.

[0021] The technical effect of the above technical solution is that: the temperature measurement of the terminal fixture is realized by attachment.

[0022] The present invention is designed that the first section of the insulating tubular busbar and the second section of the insulating tubular busbar are respectively configured to include an insulating tubular busbar body and an optical fiber tube, and the insulating tubular busbar body is configured to be accommodated and connected with the optical fiber tube, the inner ends of the insulating tubular busbar body are respectively configured to be connected with the intermediate joint, and the inner ends of the insulating tubular busbar body located on the first section of the insulating tubular busbar are configured to be connected with the operating current sensor, the outer ends of the insulating tubular busbar body located on the first section of the insulating tubular busbar are respectively configured to be connected with the plug-in terminal and the casing temperature measuring optical fiber, and the ends of the insulating tubular busbar body located on the second section of the insulating tubular busbar are configured to be connected with the ultra-wideband sensor assembly, the outer ends of the insulating tubular busbar body located on the second section of the insulating tubular busbar are configured to be connected with the busbar cold shrink terminal, and the ends of the optical fiber tube are configured to be connected with the online monitoring host.

[0023] The present invention designs that the insulating tubular busbar body is configured as a cable body and the optical fiber tube is configured as an optical fiber line having a copper tube, the middle portion of the insulating tubular busbar body is configured to be accommodatedly connected to the optical fiber tube and the optical fiber tubes are configured to be arranged and distributed at intervals along the peripheral contour line of the insulating tubular busbar body.

[0024] The technical effect of the above two technical solutions is that: the tubular busbar with temperature optical fiber tube is used to transmit electric power.

[0025] The present invention designs that the intermediate joint is configured to include a conductive cylinder, a stop sleeve, a stress cone portion I, a fixed cylinder, a stress cone portion II, an intermediate cylinder portion I, a cover portion I, a closing sleeve, a cone support portion, a grounding terminal portion, a tail pipe portion and a sealing package portion, and the inner ends of the stress cone portion I and the stress cone portion II are respectively configured to be through-connected with the fixed cylinder, the conductive cylinder is respectively configured to be through-connected with the stop sleeve and the stress cone portion I, and the outer end face portion of the stop sleeve is configured to be contact-connected with the inner end face portion of the stress cone portion I, the inner end face portion of the stop sleeve is configured to be contact-connected with the inner end face portion of the stress cone portion II, and the fixed cylinder is configured to be embedded-connected with the intermediate cylinder portion I, the outer end head of the stress cone portion II and the inner end head of the cone support portion are respectively configured to be through-connected with the cover portion I, and the outer end face portion of the stress cone portion II is configured to be contact-connected with the inner wall of the cone support portion, the outer wall of the cone support portion is configured to be contact-connected with the inner wall of the cover portion I, and the cover portion I is configured to be connected to the intermediate cylinder portion I. The port portion is connected in a covering manner, the cover portion I is arranged to be connected to the intermediate barrel portion I through a screw and the inner end of the tail pipe portion is arranged to be connected in a sleeve manner with the cone support portion, the peripheral side portion of the tail pipe portion is arranged to be connected in a contact manner with the sealing package portion and the sealing sleeve is arranged to be connected in a sleeve manner with the inner end of the sealing package portion, the cover portion I and the port head of the intermediate barrel portion I, respectively, the grounding terminal portion is arranged to be connected to the inner side of the peripheral side of the sealing package portion and one of the ends of the flashlight portion is arranged to be connected to the conductor end of the first section of the insulating tubular busbar, the other end of the flashlight portion is arranged to be connected to the conductor end of the second section of the insulating tubular busbar and the stress cone portion II and the cone support portion are respectively arranged to be connected to the conductor end of the first section of the insulating tubular busbar and the conductor end of the second section of the insulating tubular busbar, the tail pipe portion and the sealing package portion are respectively arranged to be connected to the insulator end of the first section of the insulating tubular busbar and the insulator end of the second section of the insulating tubular busbar and the grounding terminal portion is arranged to be connected to a grounding circulating current sensor.

[0026] The present invention is designed that the flashlight part is set as a tubular body and the stop sleeve part and the cover part I are respectively set as circular sheet bodies, the fixed cylinder part is set as a condensate of insulating resin slurry and the intermediate cylinder part I is set as a tubular body with an annular rim body at the port part, the inner end head of the bolt located between the cover part I and the intermediate cylinder part I is set as a through-type connection with the cover part I and the inner end head of the bolt located between the cover part I and the intermediate cylinder part I is set as a threaded connection with the annular rim body of the intermediate cylinder part 35, the bolt flange body located between the cover part I and the intermediate cylinder part I is set as a contact connection with the outer end surface part of the cover part I and the sealing sleeve is set as a rubber tubular body, the cone support part is set as a support body for the stress cone and the tail tube part is set as a cable tail tube, and the sealing package part is set as a winding body of an insulating adhesive tape.

[0027] The technical effect of the above two technical solutions is that the first section of the insulating tubular busbar and the second section of the insulating tubular busbar are cast into an integral connection.

[0028] The present invention is designed that the plug-in terminal is configured as a plug-in cable terminal head and the inner interface of the plug-in terminal is configured to be connected to the conductor end of the first section of the insulating tubular busbar, the outer interface of the plug-in terminal is configured to be connected to the power supply grid and the peripheral side surface of the plug-in terminal is configured to be connected to the casing temperature measuring optical fiber.

[0029] The present invention is designed that the busbar cold shrink terminal is set as a cold shrink cable terminal and the busbar cold shrink terminal is set to be connected to the end of the second section of the insulating tubular busbar, the outer end of the busbar cold shrink terminal is set to be connected to the terminal clamp and the inner end of the busbar cold shrink terminal is set to be connected to the ultra-wideband sensor component.

[0030] The present invention designs that the terminal clamp is set as a cable terminal clamp and the terminal clamp is set to be connected to the second section of the insulating tubular busbar, the inner end surface of the terminal clamp is set to be connected to the busbar cold shrink terminal, and the peripheral side surface of the terminal clamp is set to be connected to the temperature sensor.

[0031] The technical effect of the above three technical solutions is that: the terminal components can be installed on the first section of the insulating tubular busbar and the second section of the insulating tubular busbar.

[0032] The present invention is designed that the operating current sensor is configured to include a point-taking coil part and a current sensor part, and the output interface of the point-taking coil part is configured to be connected to the power supply interface of the current sensor part, the point-taking coil part and the current sensor part are respectively configured to be connected to the first section of insulating tubular busbar in a sleeve-type manner, and the output interface of the current sensor part is configured to be connected to an online monitoring host.

[0033] The present invention is designed that the point-taking coil part is set as a CT power supply and the current sensor part is set as an optical fiber current sensor.

[0034] The technical effect of the above two technical solutions is that online monitoring of the working current in the first section of the insulating tubular busbar and the second section of the insulating tubular busbar is realized.

[0035] The present invention designs that the input interface of the ground circulation sensor is arranged to be connected to the middle joint and the output interface of the ground circulation sensor is arranged to be connected to the ground circulation signal collector.

[0036] The technical effect of the above technical solution is that the ground loop current signal can be picked up.

[0037] The present invention designs that the ultra-wideband sensor assembly is set to include an ultra-wideband sensor part, a frame part, a plate part, and a bolt and nut part I. And a receiving groove body is arranged on the inner end face part of the frame part. The upper part of the inner wall of the receiving groove body is set to be accommodatively connected with the ultra-wideband sensor part. The lower end face part of the frame part is set to be connected with the upper end face part of the plate part. The bolt of the bolt and nut part I is set to be penetratively connected with the plate part. And the bolt flange body of the bolt and nut part I and the inner end face part of the nut of the bolt and nut part I are respectively set to be contact-connected with the plate part. The plate part is set to be clamping-connected with the second-section insulated tubular busbar. And the middle part of the inner peripheral side surface of the plate part is set to be contact-connected with the second-section insulated tubular busbar. The ultra-wideband sensor part is set to be distributed corresponding to the second-section insulated tubular busbar. And the output interface of the ultra-wideband sensor part is set to be connected with the partial discharge signal collector.

[0038] The present invention designs that the frame part is set to be a P-shaped sheet body, the plate part is set to be a strip-shaped sheet body, the bolt of the bolt and nut part I is set to be a hexagonal bolt, and the nut of the bolt and nut part I is set to be a hexagonal nut. The receiving groove body is set to be a C-shaped opening body.

[0039] The technical effects of the above two technical solutions are as follows: Picking up local signals is realized.

[0040] The present invention designs that the input interface of the grounding circulating current signal collector is set to be connected with the grounding circulating current sensor, and the output interface of the grounding circulating current signal collector is set to be connected with the optical fiber remote module.

[0041] The present invention designs that the input interface of the partial discharge signal collector is set to be connected with the ultra-wideband sensor assembly, and the output interface of the partial discharge signal collector is set to be connected with the optical fiber remote module.

[0042] The present invention designs that the input interfaces of the optical fiber remote module are respectively set to be connected with the partial discharge signal collector and the grounding circulating current signal collector, and the output interface of the optical fiber remote module is set to be connected with the on-line monitoring host.

[0043] The technical effects of the above three technical solutions are as follows: Collecting and transmitting signals is realized.

[0044] The present invention designs that the on-line monitoring host is set to be a data processor. The input interfaces of the on-line monitoring host are respectively set to be connected with the bushing temperature measurement optical fiber, the operating condition current sensor, and the temperature sensor. And the output interface of the on-line monitoring host is set to be connected with the monitoring platform center.

[0045] The technical effects of the above technical solutions are as follows: Data processing and alarming of signals are realized.

[0046] The present invention designs that the monitoring platform center is set as a computer with a CPU and the input interface of the monitoring platform center is set to be connected to an online monitoring host.

[0047] The technical effect of the above technical solution is: realizing the storage and analysis of data.

[0048] The present invention is designed that the first section of the insulating tubular bus, the second section of the insulating tubular bus, the intermediate joint, the plug-in terminal, the busbar cold shrink terminal and the terminal fixture are arranged to be distributed in a manner of measuring the temperature value, and the first section of the insulating tubular bus, the second section of the insulating tubular bus, the intermediate joint, the plug-in terminal, the busbar cold shrink terminal and the terminal fixture are arranged to be distributed in a manner of measuring the temperature value, and the first section of the insulating tubular bus, the second section of the insulating tubular bus, the intermediate joint, the plug-in terminal, the busbar cold shrink terminal and the terminal fixture are arranged to be distributed in a manner of measuring the current value, and the first section of the insulating tubular bus, the second section of the insulating tubular bus, the intermediate joint, the plug-in terminal, the busbar cold shrink terminal and the terminal fixture are arranged to be distributed in a manner of measuring the current value. The ground circulation sensors are arranged to be distributed in a manner of measuring ground circulation values, and the first section of the insulated tubular busbar, the second section of the insulated tubular busbar, the intermediate joint, the plug-in terminal, the busbar shrink terminal and the terminal clamp and the ultra-wideband sensor assembly are arranged to be distributed in a manner of measuring partial discharge signal values, and the first section of the insulated tubular busbar, the second section of the insulated tubular busbar, the intermediate joint, the plug-in terminal, the busbar shrink terminal and the terminal clamp and the partial discharge signal collector, the ground circulation signal collector, the optical fiber remote module, the online monitoring host and the monitoring platform center are arranged to be distributed in a manner of data processing.

[0049] The present invention designs that the flashlight part, the stress cone part II, the cone support part, the tail tube part and the sealing package part are respectively arranged to be connected with the insulating tube type busbar body part.

[0050] The present invention designs that the edge of the insulating tubular busbar body is arranged to be accommodated and connected with the optical fiber tubes, and the optical fiber tubes are arranged to be spaced along the peripheral side of the insulating tubular busbar body in a spiral arrangement.

[0051] The technical effect of the above technical solution is that the spiral distribution of the optical fiber tubes is achieved.

[0052] The present invention is designed that the intermediate joint is configured to include an intermediate barrel portion II, a cover portion II, a bolt and nut portion II, a grounding nut barrel I, a grounding nut barrel II, a grounding nut barrel III, an embedded barrel portion, a screw-in screw rod I, a receiving barrel portion, a screw-in screw rod II, a sleeve portion I and a sleeve portion II, and the intermediate barrel portion II is respectively configured to be accommodated and connected with the screw-in screw rod I, the receiving barrel portion, the screw-in screw II, the sleeve portion I and the sleeve portion II, the port portion of the intermediate barrel portion II is configured to be connected with the inner end face edge of the cover portion II, and the bolts of the bolt and nut portion II are respectively The bolt flange of the bolt and nut part II is configured to be connected in a through-type manner with the intermediate cylinder part II and the cover part II, the bolt flange of the bolt and nut part II is configured to be connected in a contacting manner with the outer end face edge of the cover part II, and the nut inner end face of the bolt and nut part II is configured to be connected in a contacting manner with the flange of the intermediate cylinder part II, the middle part of the peripheral side surface of the intermediate cylinder part II is configured to be connected to the grounding nut cylinder II, and one side of the peripheral side surface of the intermediate cylinder part II is configured to be connected to the grounding nut cylinder I, and the other side of the peripheral side surface of the intermediate cylinder part II is configured to be connected to the grounding nut cylinder III, and The embedded barrel is arranged to be embeddedly connected with the accommodating barrel, the inner port portion of the embedded barrel is arranged to be contact-connected with the bottom of the accommodating barrel and the bottom of the embedded barrel is arranged to be threadedly connected with the screw-in screw rod I, the bottom of the accommodating barrel is arranged to be threadedly connected with the screw-in screw rod II and one of the port portions of the accommodating barrel is arranged to be contact-connected with the inner end face portion of the sleeve portion I, another port portion of the accommodating barrel is arranged to be contact-connected with the inner end face portion of the sleeve portion II and the outer end face portion of the sleeve portion I and the outer end face portion of the sleeve portion II are respectively arranged to be contact-connected with the cover portion II, the cover portion II, the sleeve portion I and the sleeve portion II are respectively arranged to be sleeve-connected with the insulating tubular busbar body and the embedded barrel and the accommodating barrel are respectively arranged to be contact-connected with the conductor end head located on the insulating tubular busbar body, the screw-in screw rod I and the screw-in screw II are respectively arranged to be screw-in-connected with the conductor end head located on the insulating tubular busbar body and the grounding nut barrel I, the grounding nut barrel II and the grounding nut barrel III are respectively arranged to be connected with the grounding circulation sensor.

[0053] The present invention is designed that the intermediate barrel portion I is set as a tubular body with an annular rim at the port portion and the sealing portion II is set as a circular sheet body, the bolts of the bolt and nut portion II are set as hexagonal bolts and the nuts of the bolt and nut portion II are set as hexagonal nuts, the grounding nut barrel I, the grounding nut barrel II and the grounding nut barrel III are respectively set as tubular bodies with threaded bodies at the outer ports and the embedded barrel portion is set as a circular box-shaped body, the accommodating barrel portion is set as a tubular body with an H-shaped cross-section and the screw-in screws I and the screw-in screws II are respectively set as hexagonal screws, and the sleeve portion I and the sleeve portion II are set as conical tubular bodies.

[0054] The technical effect of the above two technical solutions is that the first section of the insulating tubular busbar and the second section of the insulating tubular busbar are detachably installed and connected.

[0055] The present invention designs that the distributed optical fiber temperature measurement host of the online monitoring host is set to have 2-32 channels, a single-channel measurement distance of 2-20km, a positioning accuracy of ±0.4m, a temperature measurement accuracy of ±0.5℃, a scanning cycle of 10 seconds and an alarm response time of ≤3s. The temperature sensor is set to have a temperature sensor module and a collector module with a temperature measurement range of -40℃-300℃ and a measurement accuracy of 0.1℃. The ground loop current sensor is set to a starting current of 5A, a measurement accuracy of 1s, a scanning period of 10 seconds, and a start time of 30ms when the limit is exceeded. The operating current sensor is set to start at 1s. The ultra-wideband sensor unit is set to have a frequency band range of 0-250MHz and an error of 1mV.

[0056] The technical effect of the above technical solution is to achieve the best selection and setting of parameters.

[0057] The present invention provides a method for using an insulated tubular busbar device in a railway tunnel based on online monitoring, the steps of which are: the insulated tubular busbar body realizes power transmission in the railway tunnel, the temperature sensing component realizes picking up the temperature signal of the insulated tubular busbar body in the power transmission state, and realizes power supply in the railway tunnel in the state of online monitoring signal.

[0058] The technical effect of the above technical solution is: highlighting the technical characteristics of power supply in railway tunnels under the state of online monitoring signals, and introducing the application in the technical field of the method of using the insulated tubular busbar device in railway tunnels based on online monitoring.

[0059] The present invention is designed, and its steps are: put the tail tube part, the middle tube part I, the cover part I, the closing sleeve, the cone support part, the stress cone part II, the stop sleeve part and the stress cone part I on the end of the upper insulating tubular bus body part, put the stop sleeve part between the stress cone part I and the stress cone part II, install the cone support part on the stress cone part II, install the end of the conductor of the insulating tubular bus body part located on the first section of the insulating tubular bus in one of the ends of the flashlight part, install the end of the conductor of the insulating tubular bus body part located on the second section of the insulating tubular bus in another of the ends of the flashlight part, put the cone support part, the stress cone part II, the stop sleeve part and the stress cone part I on the first section of the insulating tubular bus on one of the ports of the middle tube part I, and put the end of the conductor of the insulating tubular bus body part located on the second section of the insulating tubular bus in another of the ends of the flashlight part. The cone support part, stress cone part II, stop sleeve part and stress cone part I on the first section of the insulating tubular busbar are placed on one of the other ports of the intermediate tube part I, and the raw insulating resin slurry of the fixed tube part is injected through the port of the intermediate tube part I. When the raw insulating resin slurry of the fixed tube part solidifies, the tail tube part is sleeved on the cone support part and the insulating tubular busbar body part, and the cover part I is installed on the intermediate tube part I through a screw, and the insulating adhesive tape of the sealing package part is wound around the insulating tubular busbar body part and the tail tube part, and the closing sleeve is sleeved on the sealing package part, the cover part I and the intermediate tube part I, so as to connect the first section of the insulating tubular busbar and the second section of the insulating tubular busbar together, and the end of the optical fiber tube, the output interface of the casing temperature measuring optical fiber, the output interface of the current sensor part, and the temperature measuring The output interface of the sensor and the output interface of the optical fiber remote module are respectively connected to the input interface of the online monitoring host, the input interface of the ground circulation sensor is connected to the grounding terminal part, the output interface of the ground circulation sensor is connected to the input interface of the ground circulation signal collector, the plate part is placed on the end of the insulating tubular bus body part located on the second section of the insulating tubular bus, the two plate parts are connected to each other through the bolt and nut part I, the end of the insulating tubular bus body part located on the second section of the insulating tubular bus is clamped by the two plate parts, the ultra-wideband sensor part is distributed correspondingly to the insulating tubular bus body part located on the second section of the insulating tubular bus, the output interface of the ultra-wideband sensor part is connected to the input interface of the partial discharge signal collector, and the ground circulation The output interface of the signal collector and the output interface of the partial discharge signal collector are connected to the input interface of the optical fiber remote module, the online monitoring host is connected to the monitoring platform center, the external interface of the plug-in terminal is connected to the power supply grid, the temperature value signal measured by the optical fiber tube is used to monitor the working state of the insulating tubular busbar body online, the temperature value signal measured by the casing temperature measuring optical fiber is used to monitor the performance of the connection part between the plug-in terminal and the first section of the insulating tubular busbar online, the temperature value signal measured by the temperature sensor is used to monitor the performance of the connection part between the terminal clamp and the busbar cold shrink terminal online, the current value signal measured by the working current sensor is used to monitor the transmission current of the first section of the insulating tubular busbar, the second section of the insulating tubular busbar and the intermediate joint online,The ground loop current signal value measured by the ground loop current sensor and the partial discharge signal value measured by the ultra-wideband sensor assembly are used to monitor the connection performance between the first section of the insulating tubular busbar and the second section of the insulating tubular busbar and the intermediate joint online. The partial discharge signal collector, ground loop current signal collector, optical fiber remote module, online monitoring host and monitoring platform center process, alarm and store the signal value.

[0060] The technical effect of the above technical solution is that: it realizes the online operation of parameters of the transmission current state of the first section of the insulating tubular busbar, the second section of the insulating tubular busbar and the intermediate joint.

[0061] The present invention is designed, and the steps are: the middle barrel part II, the cover part II, the sleeve part I and the sleeve part II are sleeved on the end of the upper insulating tubular busbar body part, the end of the insulating tubular busbar body part located on the first section of the insulating tubular busbar is placed in the sleeve part I, the end of the conductor of the insulating tubular busbar body part located on the first section of the insulating tubular busbar is placed on the bottom of the embedded barrel part, and the screw-in screw rod I is screwed into the embedded barrel part and the conductor of the insulating tubular busbar body part located on the first section of the insulating tubular busbar. The end of the insulating tubular busbar body on the second section of the insulating tubular busbar is placed in the sleeve part II, and the end of the conductive body of the insulating tubular busbar body on the second section of the insulating tubular busbar is placed on the bottom of the accommodating barrel part. The screw-in screw II is screwed into the accommodating barrel part and the conductive end of the insulating tubular busbar body on the second section of the insulating tubular busbar, so as to connect the accommodating barrel part and the insulating tubular busbar body on the second section of the insulating tubular busbar. The insulating tubular busbar body parts on the second section of the insulating tubular busbar are connected together, the embedded tube part is installed in the accommodating tube part, the sleeve part I is placed in one of the ports of the intermediate tube part II, the sleeve part II is placed in another of the ports of the intermediate tube part II, the cover part II is placed on the port of the intermediate tube part II, the cover part II and the intermediate tube part II are connected together through the bolt and nut part II, the bolts between the grounding nut tube I and the grounding circulating current sensor are installed in the grounding nut tube I, so that the bolt ends between the grounding nut tube I and the grounding circulating current sensor act on the sleeve part I, the bolts between the grounding nut tube II and the grounding circulating current sensor are installed in the grounding nut tube II, so that the bolt ends between the grounding nut tube II and the grounding circulating current sensor act on the accommodating tube part, the bolts between the grounding nut tube III and the grounding circulating current sensor are installed in the grounding nut tube III, so that the bolt ends between the grounding nut tube III and the grounding circulating current sensor act on the sleeve part II.

[0062] The technical effect of the above technical solution is that: the installation between the first section of the insulating tubular busbar and the second section of the insulating tubular busbar and the intermediate joint is realized.

[0063] The present invention designs an application of a railway tunnel insulating tubular busbar device based on online monitoring and a use method in an electrified railway 27.5 kV power grid.

[0064] The technical effect of the above technical solution is that it can be introduced into the 27.5kV power grid for application.

[0065] The technical effect of the present invention is as follows: the present invention provides a comprehensive intelligent online monitoring system for insulated tubular busbars for 27.5kV tunnels of electrified railways, which can achieve real-time monitoring of insulated tubular busbars, collect and process relevant data in real time, and help operators respond to various situations in a timely manner; the monitoring device has high measurement accuracy, high positioning accuracy, and is not subject to electromagnetic interference; through real-time monitoring and positioning, the maintenance efficiency of insulated tubular busbars is improved, the monitoring cost is reduced, and the safety and reliability of power supply and transmission are improved. In order to collect effective data more accurately, the operating current sensor is used. When a large current passes through, instructions are issued to the ground loop current and distributed optical fiber temperature measurement host to collect data and upload it to the monitoring host; the monitoring system transmits the signals collected by each monitoring sensor to the online monitoring host through the communication optical fiber for data storage and display, without the need to add industrial computers and other storage servers, to achieve the integrated functions of monitoring, collection, diagnosis and analysis.

[0066] In the present technical scheme, the temperature measuring optical fiber and the temperature measuring sensor of the casing are basic components and are also the necessary technical features of the present invention. The first section of the insulating tubular busbar, the second section of the insulating tubular busbar, the intermediate joint, the plug-in terminal, the busbar cold shrink terminal, the terminal clamp, the grounding circulation sensor, the working current sensor, the ultra-wideband sensor assembly, the partial discharge signal collector, the grounding circulation signal collector, the optical fiber remote module, the online monitoring host and the monitoring platform center are functional components and are the features for realizing other technical effects of the present invention. The insulating tubular busbar body, the optical fiber tube, the flashlight part, the stop sleeve The designs of the technical features of the invention include: part, stress cone part I, fixed cylinder part, stress cone part II, intermediate cylinder part I, cover part I, closing sleeve, cone support part, grounding terminal part, tail pipe part, sealing package part, point taking coil part, current sensor part, ultra-wideband sensor part, frame part, plate part, bolt and nut part I, accommodating groove body, intermediate cylinder part II, cover part II, bolt and nut part II, grounding nut cylinder I, grounding nut cylinder II, grounding nut cylinder III, embedded cylinder part, screw-in screw rod I, accommodating cylinder part, screw-in screw rod II, sleeve part I and sleeve part II, are technical features that comply with the Patent Law and its implementing rules.

[0067] In the present technical solution, the power supply in the railway tunnel is implemented by a temperature measuring sensor component under the condition of online monitoring signal.

[0068] In the present technical scheme, the insulated tubular busbar body and the temperature sensing assembly for supplying electricity in a railway tunnel under the state of an online monitoring signal are important technical features. In the technical field of insulated tubular busbar devices, use methods and applications of railway tunnels based on online monitoring, it has novelty, creativity and practicality. The terms in the present technical scheme can be explained and understood using patent documents in this technical field. BRIEF DESCRIPTION OF THE DRAWINGS

[0069] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0070] Figure 1 is a schematic diagram of one of the first embodiments of the present invention of a railway tunnel insulated tubular busbar device based on online monitoring, Figure 2 It is a schematic diagram of the structure of the first section of insulating tubular busbar 1 and the second section of insulating tubular busbar 2. Figure 3 for Figure 2 Right view of Figure 4 is a schematic diagram of the structure of the intermediate joint 3, Figure 5 is a schematic diagram of the structure of the ultra-wideband sensor assembly 92, Figure 6 for Figure 5 A top view of Figure 7 Schematic diagram of the second first embodiment of the present invention of a railway tunnel insulated tubular busbar device based on online monitoring, Figure 8 for Figure 7 Right view of Fig. 9 Schematic diagram of the third embodiment of the first embodiment of the present invention of a railway tunnel insulated tubular busbar device based on online monitoring, The first section of insulated tubular busbar-1, the second section of insulated tubular busbar-2, the middle joint-3, the plug-in terminal-5, the busbar cold shrink terminal-6, the terminal clamp-7, the ground circulation sensor-8, the casing temperature measuring optical fiber-9, the working current sensor-91, the ultra-wideband sensor assembly-92, the temperature sensor-90, the partial discharge signal collector-93, the ground circulation signal collector-94, the optical fiber remote module-95, the online monitoring host-96, the monitoring platform center-97, the insulated tubular busbar body-11, the optical fiber tube-12, the flashlight part-31, the stop sleeve part-32, the stress cone part I-302, the fixed tube part-33, the stress cone part II-34, the intermediate tube part I -35, cover part I-36, closing sleeve -301, cone support part -37, grounding terminal part -38, tail pipe part -39, sealing package part -30, point-taking coil part -911, current sensor part -912, ultra-wideband sensor part -921, frame part -922, plate part -923, bolt and nut part I-924, accommodating groove body -925, intermediate cylinder part II-10, cover part II-20, bolt and nut part II-30, grounding nut cylinder I-40, grounding nut cylinder II-50, grounding nut cylinder III-60, embedded cylinder part -70, screw-in screw rod I-80, accommodating cylinder part -90, screw-in screw rod II-100, sleeve part I-200, sleeve part II-300. DETAILED DESCRIPTION

[0071] According to the Examination Guidelines, terms such as “having”, “including” and “comprising” used in the present invention should be understood as not dispensing with the existence or addition of one or more other elements or combinations thereof.

[0072] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0073] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0074] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. In addition, unless otherwise specified, the equipment and materials used in the following examples are commercially available. If the processing conditions are not clearly stated, please refer to the purchased product manual or proceed according to conventional methods in the art.

[0075] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0076] An insulated tubular busbar device for railway tunnels based on online monitoring. Figure 1 This is one of the first embodiments of the present invention, and this embodiment is specifically described in conjunction with the accompanying drawings. It includes a first section of insulating tubular busbar 1, a second section of insulating tubular busbar 2, an intermediate joint 3, a plug-in terminal 5, a busbar shrink terminal 6, a terminal clamp 7, a grounding circulation sensor 8, a casing temperature measuring optical fiber 9, an operating current sensor 91, an ultra-wideband sensor assembly 92, a temperature measuring sensor 90, a partial discharge signal collector 93, a grounding circulation signal collector 94, an optical fiber remote module 95, an online monitoring host 96 and a monitoring platform center 97, and an intermediate joint 3 is provided between the first section of insulating tubular busbar 1 and the second section of insulating tubular busbar 2, a grounding circulation sensor 8 is provided on the intermediate joint 3, and an operating current sensor 91 is provided between the first section of insulating tubular busbar 1 and the intermediate joint 3, and a A plug-in terminal 5 is provided on the busbar 1, and a sleeve temperature measuring optical fiber 9 is provided between the plug-in terminal 5 and the first section of the insulating tubular busbar 1, a busbar shrink terminal 6 is provided on the second section of the insulating tubular busbar 2, and an ultra-wideband sensor assembly 92 is respectively provided between the second section of the insulating tubular busbar 2 and the intermediate joint 3 and the busbar shrink terminal 6, a terminal clamp 7 is provided on the busbar shrink terminal 6, and a temperature measuring sensor 90 is provided on the terminal clamp 7, a partial discharge signal collector 93 is provided on the ultra-wideband sensor assembly 92, and a ground circulation signal collector 94 is provided on the ground circulation sensor 8, an optical fiber remote module 95 is provided between the partial discharge signal collector 93 and the ground circulation signal collector 94 and the online monitoring host 96, and a monitoring platform center 97 is provided on the online monitoring host 96.

[0077] In this embodiment, the first section of the insulating tubular busbar 1 and the second section of the insulating tubular busbar 2 are respectively configured to include an insulating tubular busbar body 11 and an optical fiber tube 12, and the insulating tubular busbar body 11 is configured to be accommodatingly connected to the optical fiber tube 12, the inner ends of the insulating tubular busbar body 11 are respectively configured to be connected to the intermediate joint 3, and the inner end of the insulating tubular busbar body 11 located on the first section of the insulating tubular busbar 1 is configured to be connected to the operating current sensor 91, the outer ends of the insulating tubular busbar body 11 located on the first section of the insulating tubular busbar 1 are respectively configured to be connected to the plug-in terminal 5 and the sleeve temperature measuring optical fiber 9, and the end of the insulating tubular busbar body 11 located on the second section of the insulating tubular busbar 2 is configured to be connected to the ultra-wideband sensor assembly 92, the outer end of the insulating tubular busbar body 11 located on the second section of the insulating tubular busbar 2 is configured to be connected to the busbar cold shrink terminal 6, and the end of the optical fiber tube 12 is configured to be connected to the online monitoring host 96.

[0078] Through the first section of the insulating tubular busbar 1 and the second section of the insulating tubular busbar 2, support connection points for the intermediate joint 3, the plug-in terminal 5, the busbar shrink terminal 6, the casing temperature measuring optical fiber 9, the operating current sensor 91, the ultra-wideband sensor assembly 92 and the online monitoring host 96 are formed. The insulating tubular busbar body 11 realizes connection with the intermediate joint 3, the plug-in terminal 5, the busbar shrink terminal 6, the casing temperature measuring optical fiber 9, the operating current sensor 91, and the ultra-wideband sensor assembly 92. The optical fiber tube 12 realizes connection with the online monitoring host 96. Its technical purpose is to be used as a component for transmitting electric power in railway tunnels.

[0079] In this embodiment, the insulating tubular busbar body 11 is configured as a cable body and the optical fiber tube 12 is configured as an optical fiber line having a copper tube, the middle portion of the insulating tubular busbar body 11 is configured to be accommodatingly connected to the optical fiber tube 12 and the optical fiber tube 12 is configured to be arranged and distributed at intervals along the peripheral contour line of the insulating tubular busbar body 11.

[0080] The technical purpose is to realize the transmission of electricity in the railway tunnel while picking up the temperature signal.

[0081] In this embodiment, the intermediate joint 3 is configured to include a conductive cylinder 31, a stop sleeve 32, a stress cone portion I 302, a fixed cylinder 33, a stress cone portion II 34, an intermediate cylinder I 35, a cover portion I 36, a sealing sleeve 301, a cone support portion 37, a grounding terminal portion 38, a tail pipe portion 39 and a sealing package portion 30, and the inner ends of the stress cone portion I 302 and the stress cone portion II 34 are respectively configured to be connected to the fixed cylinder 33 in a through-type manner, and the conductive cylinder 31 is respectively configured to be connected to the stop sleeve 32 and the stress cone portion I 302 in a through-type manner, and the outer end of the stop sleeve 32 The face portion is configured to be in contact with the inner end face portion of the stress cone portion I 302, the inner end face portion of the stop sleeve portion 32 is configured to be in contact with the inner end face portion of the stress cone portion II 34, and the fixed cylinder portion 33 is configured to be embedded in the intermediate cylinder portion I 35, the outer end head of the stress cone portion II 34 and the inner end head of the cone support portion 37 are respectively configured to be through-connected with the cover portion I 36, and the outer end face portion of the stress cone portion II 34 is configured to be in contact with the inner wall of the cone support portion 37, the outer wall of the cone support portion 37 is configured to be in contact with the inner wall of the cover portion I 36, and the cover portion I 3 6 is configured to be connected to the port portion of the intermediate cylinder portion I35 in a covering manner, the cover portion I36 is configured to be connected to the intermediate cylinder portion I35 through a screw, and the inner end of the tail pipe portion 39 is configured to be connected to the cone support portion 37 in a sleeve-type manner, the peripheral side surface of the tail pipe portion 39 is configured to be connected to the sealing package portion 30 in a contact manner, and the sealing sleeve 301 is configured to be connected to the inner end of the sealing package portion 30, the cover portion I36 and the port of the intermediate cylinder portion I35 in a sleeve-type manner, the grounding terminal portion 38 is configured to be connected to the inner side of the peripheral side of the sealing package portion 30, and one of the ends of the flashlight portion 31 is configured to be connected to the inner end of the sealing package portion 30, the cover portion I36 and the port of the intermediate cylinder portion I35 in a sleeve-type manner. It is connected to the conductor end of the first section of the insulating tubular bus 1, one of the other ends of the flashlight part 31 is arranged to be connected to the conductor end of the second section of the insulating tubular bus 2, and the stress cone part II 34 and the cone support part 37 are respectively arranged to be connected to the conductor end of the first section of the insulating tubular bus 1 and the conductor end of the second section of the insulating tubular bus 2, the tail tube part 39 and the sealing package part 30 are respectively arranged to be connected to the insulator end of the first section of the insulating tubular bus 1 and the insulator end of the second section of the insulating tubular bus 2, and the grounding terminal part 38 is arranged to be connected to the grounding circulation sensor 8.

[0082] Through the middle joint 3, a supporting connection point for the first section of the insulating tubular busbar 1, the second section of the insulating tubular busbar 2 and the grounding circulation sensor 8 is formed. The connection with the first section of the insulating tubular busbar 1 is realized by the electric tube part 31, the stress cone part II 34, the cone support part 37, the tail tube part 39 and the sealing package part 30, and the connection with the second section of the insulating tubular busbar 2 is realized. The connection with the grounding circulation sensor 8 is realized by the grounding circulation sensor 8. The connection processing between the stress cone part I 302 and the stress cone part II 34 is realized by the stop sleeve part 32. The supporting connection with the stress cone part I 302, the stress cone part II 34 and the cone support part 37 is realized by the fixed tube part 33, the intermediate tube part I 35, the cover part I 36 and the closing sleeve 301. The technical purpose is to be used as a component for connecting the first section of the insulating tubular busbar 1 and the second section of the insulating tubular busbar 2.

[0083] In this embodiment, the flashlight portion 31 is set as a tubular body and the stop sleeve portion 32 and the cover portion Ⅰ36 are respectively set as circular sheet bodies, the fixed cylinder portion 33 is set as a condensate of insulating resin slurry and the intermediate cylinder portion Ⅰ35 is set as a tubular body with an annular rim body at the port portion, the inner end head of the bolt located between the cover portion Ⅰ36 and the intermediate cylinder portion Ⅰ35 is set as a through-type connection with the cover portion Ⅰ36 and the inner end head of the bolt located between the cover portion Ⅰ36 and the intermediate cylinder portion Ⅰ35 is set as a threaded connection with the annular rim body of the intermediate cylinder portion 35, the bolt flange body located between the cover portion Ⅰ36 and the intermediate cylinder portion Ⅰ35 is set as a contact connection with the outer end surface portion of the cover portion Ⅰ36 and the closing sleeve 301 is set as a rubber tubular body, the cone support portion 37 is set as a support body for the stress cone and the tail tube portion 39 is set as a cable tail tube, and the sealing package portion 30 is set as a winding body of an insulating adhesive tape.

[0084] The technical purpose is to realize the integral connection between the first section of insulating tubular busbar 1 and the second section of insulating tubular busbar 2.

[0085] In this embodiment, the plug-in terminal 5 is configured as a plug-in cable terminal head and the internal interface of the plug-in terminal 5 is configured to be connected to the conductor end of the first section of the insulating tubular bus 1, the external interface of the plug-in terminal 5 is configured to be connected to the power supply grid and the peripheral side surface of the plug-in terminal 5 is configured to be connected to the casing temperature measuring optical fiber 9.

[0086] Through the plug-in terminal 5, a supporting connection point for the first section of the insulating tubular busbar 1 and the casing temperature measuring optical fiber 9 is formed. The plug-in terminal 5 realizes the connection with the first section of the insulating tubular busbar 1 and the connection with the casing temperature measuring optical fiber 9. Its technical purpose is to be used as a component for connecting to the power supply grid.

[0087] In this embodiment, the busbar cold shrink terminal 6 is set as a cold shrink cable terminal and the busbar cold shrink terminal 6 is set to be connected to the end of the second section of the insulated tubular bus 2, the outer end of the busbar cold shrink terminal 6 is set to be connected to the terminal clamp 7 and the inner end of the busbar cold shrink terminal 6 is set to be connected to the ultra-wideband sensor assembly 92.

[0088] Through the busbar cold shrink terminal 6, a supporting connection point for the second section of the insulating tubular busbar 2, the terminal clamp 7 and the ultra-wideband sensor assembly 92 is formed. The busbar cold shrink terminal 6 realizes the connection with the second section of the insulating tubular busbar 2, the connection with the terminal clamp 7, and the connection with the ultra-wideband sensor assembly 92. Its technical purpose is to serve as one of the components for supporting and fixing the second section of the insulating tubular busbar 2.

[0089] In this embodiment, the terminal clamp 7 is configured as a cable terminal clamp and the terminal clamp 7 is configured to be connected to the second section of the insulating tubular busbar 2, the inner end surface portion of the terminal clamp 7 is configured to be connected to the busbar shrink terminal 6 and the peripheral side surface portion of the terminal clamp 7 is configured to be connected to the temperature sensor 90.

[0090] Through the terminal clamp 7, a support connection point is formed for the second section of the insulating tubular busbar 2, the busbar shrink terminal 6 and the temperature sensor 90. The terminal clamp 7 realizes the connection with the second section of the insulating tubular busbar 2, the connection with the busbar shrink terminal 6, and the connection with the temperature sensor 90. Its technical purpose is to serve as a second component for supporting and fixing the second section of the insulating tubular busbar 2.

[0091] In this embodiment, the input interface of the ground circulation sensor 8 is configured to be connected to the intermediate joint 3 and the output interface of the ground circulation sensor 8 is configured to be connected to the ground circulation signal collector 94 .

[0092] Through the ground circulation sensor 8, a supporting connection point for the intermediate joint 3 and the ground circulation signal collector 94 is formed. The ground circulation sensor 8 realizes the connection with the intermediate joint 3 and the ground circulation signal collector 94. Its technical purpose is to serve as a component for picking up the ground circulation signal of the intermediate joint 3.

[0093] In this embodiment, the input interface of the ground circulation signal collector 94 is configured to be connected to the ground circulation sensor 8 and the output interface of the ground circulation signal collector 94 is configured to be connected to the optical fiber remote module 95 .

[0094] A supporting connection point for the ground circulation sensor 8 and the optical fiber remote module 95 is formed through the ground circulation signal collector 94. The ground circulation signal collector 94 realizes the connection with the ground circulation sensor 8 and the connection with the optical fiber remote module 95. Its technical purpose is to serve as a component for collecting and processing the ground circulation signal picked up by the ground circulation sensor 8.

[0095] In this embodiment, the casing temperature measuring optical fiber 9 is configured to be connected in a surrounding manner to the connection portion between the plug-in terminal 5 and the first section of the insulating tubular busbar 1, and the output interface of the casing temperature measuring optical fiber 9 is configured to be connected to the online monitoring host 96.

[0096] Through the casing temperature measuring optical fiber 9, a supporting connection point for the first section of the insulating tubular busbar 1, the pluggable terminal 5 and the online monitoring host 96 is formed. The casing temperature measuring optical fiber 9 realizes the connection with the first section of the insulating tubular busbar 1, the connection with the pluggable terminal 5, and the connection with the online monitoring host 96. Its technical purpose is to serve as a component for temperature detection of the performance of the connection part between the pluggable terminal 5 and the first section of the insulating tubular busbar 1.

[0097] In this embodiment, the operating current sensor 91 is configured to include a point-taking coil part 911 and a current sensor part 912, and the output interface of the point-taking coil part 911 is configured to be connected to the power supply interface of the current sensor part 912, the point-taking coil part 911 and the current sensor part 912 are respectively configured to be connected to the first section of the insulating tubular bus 1 in a sleeve-type manner, and the output interface of the current sensor part 912 is configured to be connected to the online monitoring host 96.

[0098] Through the operating current sensor 91, a supporting connection point for the first section of the insulating tubular busbar 1 and the online monitoring host 96 is formed. The point-taking coil part 911 and the current sensor part 912 realize the connection with the first section of the insulating tubular busbar 1. The current sensor part 912 realizes the connection with the online monitoring host 96. Its technical purpose is to be used as a component for picking up the current signal in the first section of the insulating tubular busbar 1.

[0099] In this embodiment, the point-taking coil part 911 is configured as a CT power supply and the current sensor part 912 is configured as an optical fiber current sensor.

[0100] The technical purpose is to realize the pickup of the current signal in the first section of the insulating tubular busbar 1 under the condition of self-contained power supply.

[0101] In the present embodiment, the ultra-wideband sensor assembly 92 is configured to include an ultra-wideband sensor portion 921, a frame portion 922, a plate portion 923 and a bolt and nut portion I 924, and a receiving groove 925 is provided on the inner end face portion of the frame portion 922, the upper portion of the inner wall of the receiving groove 925 is configured to be accommodatingly connected to the ultra-wideband sensor portion 921, and the lower end face portion of the frame portion 922 is configured to be connected to the upper end face portion of the plate portion 923, the bolt of the bolt and nut portion I 924 is configured to be through-connected to the plate portion 923 and the bolt The bolt flange body of the bolt and nut part I 924 and the inner end surface portion of the nut of the bolt and nut part I 924 are respectively arranged to be contact-connected with the plate part 923, the plate part 923 is arranged to be clamp-connected with the second section of the insulating tubular busbar 2 and the middle portion of the inner peripheral side surface of the plate part 923 is arranged to be contact-connected with the second section of the insulating tubular busbar 2, the ultra-wideband sensor part 921 is arranged to be distributed corresponding to the second section of the insulating tubular busbar 2 and the output interface of the ultra-wideband sensor part 921 is arranged to be connected with the partial discharge signal collector 93.

[0102] Through the ultra-wideband sensor assembly 92, a support connection point for the second section of the insulating tubular bus 2 and the partial discharge signal collector 93 is formed. The ultra-wideband sensor part 921 and the plate part 923 realize the connection with the second section of the insulating tubular bus 2. The ultra-wideband sensor part 921 realizes the connection with the partial discharge signal collector 93. The frame part 922 and the accommodating groove body 925 realize the connection and support processing with the ultra-wideband sensor part 921. The bolt and nut part I 924 realizes the connection processing between the plate parts 923. Its technical purpose is to be used as a component for picking up the partial discharge signal in the second section of the insulating tubular bus 2.

[0103] In this embodiment, the frame portion 922 is configured as a P-shaped sheet body and the plate portion 923 is configured as a strip sheet body, the bolts of the bolt and nut portion I 924 are configured as hexagonal bolts and the nuts of the bolt and nut portion I 924 are configured as hexagonal nuts, and the accommodating groove body 925 is configured as a P-shaped opening body.

[0104] The technical purpose is to accommodate and support the ultra-wideband sensor unit 921.

[0105] In this embodiment, the input interface of the partial discharge signal collector 93 is configured to be connected to the ultra-wideband sensor assembly 92 and the output interface of the partial discharge signal collector 93 is configured to be connected to the optical fiber remote module 95 .

[0106] A supporting connection point for the ultra-wideband sensor assembly 92 and the optical fiber remote module 95 is formed through the partial discharge signal collector 93. The partial discharge signal collector 93 realizes the connection with the ultra-wideband sensor assembly 92 and the connection with the optical fiber remote module 95. Its technical purpose is to serve as a component for collecting and processing the partial discharge signals picked up by the ultra-wideband sensor assembly 92.

[0107] In this embodiment, the temperature sensor 90 is configured as a contact temperature sensor and the contact of the temperature sensor 90 is configured to be connected to the terminal fixture 7 , and the output interface of the temperature sensor 90 is configured to be connected to the online monitoring host 96 .

[0108] Through the temperature measuring sensor 90, a supporting connection point for the terminal clamp 7 and the online monitoring host 96 is formed. The temperature measuring sensor 90 realizes the connection with the terminal clamp 7 and the connection with the online monitoring host 96. Its technical purpose is to serve as a component for picking up the temperature signal of the terminal clamp 7.

[0109] In this embodiment, the input interface of the optical fiber remote module 95 is respectively configured to be connected to the partial discharge signal collector 93 and the ground loop current signal collector 94, and the output interface of the optical fiber remote module 95 is configured to be connected to the online monitoring host 96.

[0110] Through the optical fiber remote module 95, a supporting connection point for the partial discharge signal collector 93, the ground loop current signal collector 94 and the online monitoring host 96 is formed. The optical fiber remote module 95 realizes the connection with the partial discharge signal collector 93, the connection with the ground loop current signal collector 94, and the connection with the online monitoring host 96. Its technical purpose is to serve as a component for transmitting signals in the partial discharge signal collector 93 and the ground loop current signal collector 94 to the online monitoring host 9.

[0111] In this embodiment, the online monitoring host 96 is configured as a data processor and the input interface of the online monitoring host 96 is respectively configured to be connected to the casing temperature measurement optical fiber 9, the operating current sensor 91, the temperature measurement sensor 90, and the output interface of the online monitoring host 96 is configured to be connected to the monitoring platform center 97.

[0112] Through the online monitoring host 96, support connection points are formed for the casing temperature measuring optical fiber 9, the operating current sensor 91, the temperature measuring sensor 90, the optical fiber remote module 95 and the monitoring platform center 97. The online monitoring host 96 realizes the connection with the casing temperature measuring optical fiber 9, the connection with the operating current sensor 91, the connection with the temperature measuring sensor 90, the connection with the optical fiber remote module 95, and the connection with the monitoring platform center 97. The technical purpose is to serve as a component for processing the signals of the casing temperature measuring optical fiber 9, the operating current sensor 91, the temperature measuring sensor 90, the partial discharge signal collector 93 and the ground loop current signal collector 94 and displaying alarms.

[0113] In this embodiment, the monitoring platform center 97 is configured as a computer with a CPU and the input interface of the monitoring platform center 97 is configured to be connected to the online monitoring host 96 .

[0114] A supporting connection point for the online monitoring host 96 is formed through the monitoring platform center 97, and the connection with the online monitoring host 96 is realized by the monitoring platform center 97. Its technical purpose is to be used as a component for storing and analyzing data transmitted by the online monitoring host 96.

[0115] In this embodiment, the first section of the insulated tubular busbar 1, the second section of the insulated tubular busbar 2, the intermediate joint 3, the plug-in terminal 5, the busbar cold shrink terminal 6 and the terminal clamp 7 and the casing temperature measuring optical fiber 9 and the temperature measuring sensor 90 are arranged to be distributed in a manner of measuring the temperature value and the first section of the insulated tubular busbar 1, the second section of the insulated tubular busbar 2, the intermediate joint 3, the plug-in terminal 5, the busbar cold shrink terminal 6 and the terminal clamp 7 and the operating current sensor 91 are arranged to be distributed in a manner of measuring the current value, the first section of the insulated tubular busbar 1, the second section of the insulated tubular busbar 2, the intermediate joint 3, the plug-in terminal 5, the busbar cold shrink terminal 6 and the terminal clamp 7 and the grounding circulation sensor 8 are arranged to be distributed in a manner of measuring the grounding circulation value and ... operating current sensor 91 are arranged to be distributed in a manner of measuring the current value. A section of insulating tubular busbar 1, a second section of insulating tubular busbar 2, an intermediate joint 3, a pluggable terminal 5, a busbar shrinkage terminal 6 and a terminal clamp 7 are arranged to be distributed in a manner of measuring partial discharge signal values ​​with an ultra-wideband sensor assembly 92; the first section of insulating tubular busbar 1, the second section of insulating tubular busbar 2, an intermediate joint 3, a pluggable terminal 5, a busbar shrinkage terminal 6 and a terminal clamp 7 are arranged to be distributed in a manner of measuring partial discharge signal values ​​with a partial discharge signal collector 93, a grounding loop current signal collector 94, an optical fiber remote module 95, an online monitoring host 96 and a monitoring platform center 97 are arranged to be distributed in a manner of data processing; the flashlight portion 31, the stress cone portion II 34, the cone support portion 37, the tail pipe portion 39 and the sealing package portion 30 are respectively arranged to be connected to the insulating tubular busbar body portion 11.

[0116] The present invention is further described below in conjunction with examples. The following examples are intended to illustrate the present invention rather than to further limit the present invention.

[0117] A method for using a railway tunnel insulated tubular busbar device based on online monitoring, one of the first embodiments of the present invention, comprises the following steps: The tail tube portion 39, the intermediate tube portion I 35, the cover portion I 36, the closing sleeve 301, the cone support portion 37, the stress cone portion II 34, the stop sleeve portion 32 and the stress cone portion I 302 are mounted on the end of the upper insulating tubular busbar body portion 11, the stop sleeve portion 32 is placed between the stress cone portion I 302 and the stress cone portion II 34, the cone support portion 37 is installed on the stress cone portion II 34, the end of the conductor of the insulating tubular busbar body portion 11 located on the first section of the insulating tubular busbar 1 is installed in one of the ends of the flashlight portion 31, the end of the conductor of the insulating tubular busbar body portion 11 located on the second section of the insulating tubular busbar 2 is installed in the other end of the flashlight portion 31, the cone support portion 37 located on the first section of the insulating tubular busbar 1 is installed in the other end of the flashlight portion 31, 7. Place the stress cone II 34, the stop sleeve 32 and the stress cone I 302 on one of the ports of the intermediate tube I 35, place the cone support 37, the stress cone II 34, the stop sleeve 32 and the stress cone I 302 on the second section of the insulating tubular busbar 2 on one of the other ports of the intermediate tube I 35, inject the raw insulating resin slurry of the fixed tube 33 through the port of the intermediate tube I 35, and when the raw insulating resin slurry in the fixed tube 33 solidifies, put the tail tube 39 on the cone support 37 and the insulating tubular busbar body 11, install the cover I 36 on the intermediate tube I 35 by means of a screw, and wrap the insulating adhesive tape of the sealing package 30 around the insulating tubular busbar body 11 and the tail tube 39, put the sealing sleeve 301 on the sealing package part 30, the cover part I 36 and the intermediate tube part I 35, so as to connect the first section of the insulating tubular busbar 1 and the second section of the insulating tubular busbar 2 together, connect the end of the optical fiber tube 12, the output interface of the casing temperature measuring optical fiber 9, the output interface of the current sensor part 912, the output interface of the temperature measuring sensor 90 and the output interface of the optical fiber remote module 95 to the input interface of the online monitoring host 96 respectively, connect the input interface of the grounding circulation sensor 8 to the grounding terminal part 38, connect the output interface of the grounding circulation sensor 8 to the input interface of the grounding circulation signal collector 94, and put the plate part 923 on the insulating tubular busbar body part 11 located on the second section of the insulating tubular busbar 2. On the end, the two plate parts 923 are connected to each other through the bolt and nut part I 924, and the end of the insulating tubular busbar body part 11 on the second section of the insulating tubular busbar 2 is clamped by the two plate parts 923, so that the ultra-wideband sensor part 921 is distributed correspondingly to the insulating tubular busbar body part 11 on the second section of the insulating tubular busbar 2, and the output interface of the ultra-wideband sensor part 921 is connected to the input interface of the partial discharge signal collector 93, the output interface of the ground loop current signal collector 94 and the output interface of the partial discharge signal collector 93 are connected to the input interface of the optical fiber remote module 95, the online monitoring host 96 is connected to the monitoring platform center 97, and the external interface of the plug-in terminal 5 is connected to the power supply grid. The temperature value signal measured by the optical fiber tube 12 is used to monitor the working state of the insulating tubular busbar body 11 online. The temperature value signal measured by the sleeve temperature measuring optical fiber 9 is used to monitor the performance of the connection part between the plug-in terminal 5 and the first section of the insulating tubular busbar 1 online. The temperature value signal measured by the temperature measuring sensor 90 is used to monitor the performance of the connection part between the terminal clamp 7 and the busbar shrink terminal 6 online. The current value signal measured by the working current sensor 91 is used to monitor the transmission current of the first section of the insulating tubular busbar 1, the second section of the insulating tubular busbar 2 and the intermediate joint 3 online. The grounding circulation signal value measured by the grounding circulation sensor 8 and the partial discharge signal value measured by the ultra-wideband sensor assembly 92 are used to monitor the connection performance between the first section of the insulating tubular busbar 1 and the second section of the insulating tubular busbar 2 and the intermediate joint 3 online. The partial discharge signal collector 93, the grounding circulation signal collector 94, the optical fiber remote module 95, the online monitoring host 96 and the monitoring platform center 97 process, alarm and store the signal value.

[0118] An insulated tubular busbar device for railway tunnels based on online monitoring. Figure 7 This is the second embodiment of the present invention, and this embodiment is described in detail with reference to the accompanying drawings. The edge of the insulating tubular busbar body 11 is arranged to be accommodated and connected with the optical fiber tubes 12 , and the optical fiber tubes 12 are arranged to be spaced apart along the peripheral side of the insulating tubular busbar body 11 in a spiral line.

[0119] The technical purpose is to realize the spiral connection of the insulating tubular busbar body 11.

[0120] An insulated tubular busbar device for railway tunnels based on online monitoring. Fig. 9 This is the third embodiment of the present invention, and this embodiment is described in detail with reference to the accompanying drawings. The intermediate joint 3 is configured to include an intermediate barrel portion II10, a cover portion II20, a bolt and nut portion II30, a grounding nut barrel I40, a grounding nut barrel II50, a grounding nut barrel III60, an embedded barrel portion 70, a screw-in screw rod I80, a receiving barrel portion 90, a screw-in screw rod II100, a sleeve portion I200 and a sleeve portion II300, and the intermediate barrel portion II10 is respectively configured to be connected to the screw-in screw rod I80, the receiving barrel portion 90, the screw-in screw rod II100, the sleeve portion I200 and the sleeve portion II300 in a receiving manner, the port portion of the intermediate barrel portion II10 is configured to be connected to the inner end face edge of the cover portion II20, and the bolt and nut The bolts of part II30 are respectively arranged to be connected with the intermediate cylinder part II10 and the cover part II20 in a through-type manner, the bolt flange body of the bolt and nut part II30 is arranged to be connected in a contact manner with the outer end face edge body of the cover part II20, and the nut inner end face portion of the bolt and nut part II30 is arranged to be connected in a contact manner with the flange body of the intermediate cylinder part II10, the middle portion of the peripheral side surface of the intermediate cylinder part II10 is arranged to be connected with the grounding nut cylinder II50, and one side portion of the peripheral side surface of the intermediate cylinder part II10 is arranged to be connected with the grounding nut cylinder I40, and the other side portion of the peripheral side surface of the intermediate cylinder part II10 is arranged to be connected with the grounding nut cylinder III60, and The embedded barrel portion 70 is configured to be embeddedly connected with the accommodating barrel portion 90, the inner port portion of the embedded barrel portion 70 is configured to be contact-connected with the bottom of the accommodating barrel portion 90 and the bottom of the embedded barrel portion 70 is configured to be threadedly connected with the screw-in screw rod Ⅰ80, the bottom of the accommodating barrel portion 90 is configured to be threadedly connected with the screw-in screw rod Ⅱ100 and one of the port portions of the accommodating barrel portion 90 is configured to be contact-connected with the inner end face portion of the sleeve portion Ⅰ200, another port portion of the accommodating barrel portion 90 is configured to be contact-connected with the inner end face portion of the sleeve portion Ⅱ300 and the outer end face portion of the sleeve portion Ⅰ200 and the sleeve portion Ⅱ300 The outer end surface portions are respectively arranged to be contact-connected with the cover portion II20, the cover portion II20, the sleeve portion I200 and the sleeve portion II300 are respectively arranged to be sleeve-connected with the insulating tubular busbar body portion 11, and the embedded cylinder portion 70 and the accommodating cylinder portion 90 are respectively arranged to be contact-connected with the conductor end located on the insulating tubular busbar body portion 11, the screw-in screw rod I80 and the screw-in screw rod II100 are respectively arranged to be screw-in-connected with the conductor end located on the insulating tubular busbar body portion 11, and the grounding nut cylinder I40, the grounding nut cylinder II50 and the grounding nut cylinder III60 are respectively arranged to be connected with the grounding circulation sensor 8.

[0121] Through the intermediate joint 3, a supporting connection point for the first section of the insulating tubular busbar 1, the second section of the insulating tubular busbar 2 and the grounding circulating current sensor 8 is formed, and the connection with the first section of the insulating tubular busbar 1 is realized by the cover part II 20, the embedded cylinder part 70, the screw-in screw rod I 80, the accommodating cylinder part 90, the screw-in screw II 100, the sleeve part I 200 and the sleeve part II 300, and the connection with the second section of the insulating tubular busbar 2 is realized, and the grounding nut cylinder I 40, the grounding nut cylinder II 50 and the grounding nut cylinder Ⅲ60 realizes the connection with the grounding circulating current sensor 8, and the intermediate cylinder part Ⅱ10 realizes the supporting connection processing with the grounding nut cylinder Ⅰ40, the grounding nut cylinder Ⅱ50, the grounding nut cylinder Ⅲ60, the sleeve part Ⅰ200 and the sleeve part Ⅱ30, and the bolt and nut part Ⅱ30 realizes the connection processing between the cover part Ⅱ20 and the intermediate cylinder part Ⅱ10. Its technical purpose is to be used as a component for connecting the first section of the insulating tubular bus 1 and the second section of the insulating tubular bus 2.

[0122] In this embodiment, the intermediate cylinder portion Ⅰ35 is configured as a tubular body having an annular rim at the port portion and the sealing portion Ⅱ20 is configured as a circular sheet body, the bolt of the bolt and nut portion Ⅱ30 is configured as a hexagonal bolt and the nut of the bolt and nut portion Ⅱ30 is configured as a hexagonal nut, the grounding nut cylinder Ⅰ40, the grounding nut cylinder Ⅱ50 and the grounding nut cylinder Ⅲ60 are respectively configured as tubular bodies having a threaded body at the outer port and the embedded cylinder portion 70 is configured as a circular box-shaped body, the accommodating cylinder portion 90 is configured as a tubular body having an H-shaped cross-section and the screw-in screw Ⅰ80 and the screw-in screw Ⅱ100 are respectively configured as hexagonal screws, and the sleeve portion Ⅰ200 and the sleeve portion Ⅱ300 are configured as conical tubular bodies.

[0123] The technical purpose is to realize a detachable connection between a first section of insulating tubular busbar 1 and a second section of insulating tubular busbar 2.

[0124] A method for using a railway tunnel insulated tubular busbar device based on online monitoring, the first embodiment of the present invention is as follows: The intermediate barrel part II10, the cover part II20, the sleeve part I200 and the sleeve part II300 are mounted on the end of the upper insulating tubular busbar body part 11, the end of the insulating tubular busbar body part 11 on the first section of the insulating tubular busbar 1 is placed in the sleeve part I200, the end of the conductor on the insulating tubular busbar body part 11 on the first section of the insulating tubular busbar 1 is placed on the bottom of the embedded barrel part 70, and the screw-in screw I80 is screwed into the embedded barrel part 70 and the end of the conductor on the insulating tubular busbar body part 11 on the first section of the insulating tubular busbar 1, so as to connect the embedded barrel part 70 and the insulating tubular busbar body part 11 on the first section of the insulating tubular busbar 1 together. Place the end of the insulating tubular busbar body 11 on the second section of the insulating tubular busbar 2 into the sleeve part II 300, place the end of the conductor of the insulating tubular busbar body 11 on the second section of the insulating tubular busbar 2 on the bottom of the accommodating cylinder 90, and screw the screw II 100 into the accommodating cylinder 90 and the end of the conductor of the insulating tubular busbar body 11 on the second section of the insulating tubular busbar 2, so as to connect the accommodating cylinder 90 and the insulating tubular busbar body 11 on the second section of the insulating tubular busbar 2 together. The embedded cylinder 70 is installed in the accommodating cylinder 90, the sleeve part I200 is placed in one of the ports of the intermediate cylinder part II10, the sleeve part II300 is placed in another of the ports of the intermediate cylinder part II10, the cover part II20 is placed on the port of the intermediate cylinder part II10, the cover part II20 is connected to the intermediate cylinder part II10 through the bolt and nut part II30, the bolt located between the grounding nut cylinder I40 and the grounding circulating current sensor 8 is installed in the grounding nut cylinder I40, so that the bolt end located between the grounding nut cylinder I40 and the grounding circulating current sensor 8 acts on the sleeve part I200, The bolt between the grounding nut cylinder II 50 and the grounding circulating current sensor 8 is installed in the grounding nut cylinder II 50 so that the bolt end between the grounding nut cylinder II 50 and the grounding circulating current sensor 8 acts on the accommodating cylinder 90. The bolt located between the grounding nut tube III60 and the grounding circulating current sensor 8 is installed in the grounding nut tube III60 so that the end of the bolt located between the grounding nut tube III60 and the grounding circulating current sensor 8 acts on the sleeve part II300.

[0125] A railway tunnel insulated tubular busbar device based on online monitoring, the first embodiment of the present invention is described in detail with reference to the accompanying drawings. The distributed optical fiber temperature measurement host of the online monitoring host 96 is set to have 2-32 channels, a single-channel measurement distance of 2-20km, a positioning accuracy of ±0.4m, a temperature measurement accuracy of ±0.5℃, a scanning cycle of 10 seconds and an alarm response time of ≤3s.

[0126] The temperature sensor 90 is configured to have a temperature sensor module and a collector module with a temperature measurement range of -40°C to 300°C and a measurement accuracy of 0.1°C.

[0127] The ground circulation sensor 8 is set to a starting current of 5A, a measurement accuracy of 1s, a scanning period of 10 seconds, and a starting time of 30ms when exceeding the limit.

[0128] The operating current sensor 91 is set to have a start time of 1 s.

[0129] The ultra-wideband sensor unit 921 is configured to have a frequency band range of 0-250 MHz and an error of 1 mV.

[0130] An application of an insulated tubular busbar device for a railway tunnel based on online monitoring and a method of use in a 27.5 kV power grid of an electrified railway.

[0131] When verifying the present invention, the inventors abandoned the existing technical feature of directly using cables to supply electricity in railway tunnels, and first proposed a technical feature of supplying electricity in railway tunnels under the state of online monitoring signals, and obtained the first unexpected technical effect: realizing the online monitoring signal of the transmission status of the insulating tubular bus body by the temperature signal, ensuring the online monitoring accuracy of the transmission status of the insulating tubular bus body, and obtained the second unexpected technical effect: realizing the online monitoring signal of the transmission status of the insulating tubular bus body by the pickup current signal of the operating current sensor 91, realizing direct online monitoring of the transmission status of the insulating tubular bus body, and obtained the third unexpected technical effect: realizing The casing temperature measuring optical fiber 9 performs online monitoring of the connection status between the plug-in terminal 5 and the first section of the insulating tubular busbar 1, and obtains the third unexpected technical effect: the temperature measuring sensor 90 is used to perform online monitoring of the connection status between the busbar cold shrink terminal 6 and the terminal clamp 7 and the second section of the insulating tubular busbar 2, and obtains the fourth unexpected technical effect: the ground circulation sensor 8 and the ultra-wideband sensor assembly 92 are used to perform online monitoring of the connection status between the first section of the insulating tubular busbar 1 and the second section of the insulating tubular busbar 2 and the intermediate joint 3, and obtains the fifth unexpected technical effect: signal processing, alarm and data storage are realized, and parameter support is provided for re-optimization of the insulating tubular busbar body for use in railway tunnels.

[0132] A second embodiment of the present invention interconnects the insulating tubular busbar body and the temperature sensing assembly in a manner that provides power supply in a railway tunnel under an on-line monitoring signal.

[0133] In this embodiment, the temperature sensing assembly is connected to the insulating tubular busbar body in a manner to pick up the temperature signal in the power transmission state.

[0134] In this embodiment, the insulating tubular bus body is configured to include a first section of insulating tubular bus 1, a second section of insulating tubular bus 2, an intermediate joint 3, a plug-in terminal 5, a busbar cold shrink terminal 6 and a terminal clamp 7.

[0135] In this embodiment, the temperature measurement sensing component is configured to include a sheath temperature measurement optical fiber 9 and a temperature measurement sensor 90 .

[0136] In this embodiment, a first accessory device is also included and is arranged on the insulating tubular busbar body. The first accessory device is arranged as an operating current sensor 91 .

[0137] In this embodiment, a second accessory device is further included and is arranged on the insulating tubular busbar body. The second accessory device is arranged to include a grounding circulation sensor 8 and an ultra-wideband sensor assembly 92 .

[0138] In this embodiment, a third accessory device is also included and the third accessory device is respectively arranged on the insulating tubular bus body, the first accessory device and the second accessory device. The third accessory device is configured to include a partial discharge signal collector 93, a ground loop current signal collector 94, an optical fiber remote module 95, an online monitoring host 96 and a monitoring platform center 97.

[0139] The second embodiment of the present invention is based on the first embodiment. The second embodiment of the present invention comprises the following steps: the insulating tubular busbar body is used to realize power transmission in a railway tunnel; the temperature sensing component is used to pick up the temperature signal of the insulating tubular busbar body in the power transmission state, thereby realizing power supply in the railway tunnel in the state of online monitoring signal.

[0140] The second embodiment of the present invention is based on the first embodiment.

[0141] The present invention has the following characteristics: 1. Due to the design of the insulated tubular busbar body and the temperature sensing component, power transmission in the railway tunnel is realized through the insulated tubular busbar body, and the temperature sensing component is used to pick up the temperature signal of the insulated tubular busbar body in the power transmission state, and power supply in the railway tunnel is realized under the state of online monitoring signal, which solves the technical problem of directly using cables to supply power in the railway tunnel. Therefore, it is possible to realize reliable power supply in the railway tunnels where long tunnels account for more than 90%.

[0142] 2. Due to the design of the first section of insulating tubular busbar 1, the second section of insulating tubular busbar 2, the intermediate joint 3, the plug-in terminal 5, the busbar cold shrink terminal 6 and the terminal clamp 7, power transmission by the temperature measuring tubular busbar is achieved.

[0143] 3. Due to the design of the casing temperature measuring optical fiber 9 and the temperature measuring sensor 90, it is possible to pick up the temperature signal at the end of the insulating tubular busbar body.

[0144] 4. Due to the design of the operating current sensor 91, the transmission current signal of the insulating tubular busbar body can be picked up.

[0145] 5. Due to the design of the ground loop current sensor 8 and the ultra-wideband sensor assembly 92, the ground loop current signal and the partial discharge signal can be picked up.

[0146] 6. Due to the design of the partial discharge signal collector 93, the ground loop current signal collector 94, the optical fiber remote module 95, the online monitoring host 96 and the monitoring platform center 97, the signal data can be processed.

[0147] 7. Since the design limits the numerical range of the structural shape, the numerical range is the technical feature in the technical solution of the present invention, rather than a technical feature calculated by a formula or obtained through a limited number of tests. Tests have shown that the technical feature of this numerical range has achieved good technical effects.

[0148] 8. Due to the design of the technical features of the present invention, the effects of the individual and combined technical features have been shown through experiments to have various performance indicators of the present invention that are at least 1.7 times the existing performance indicators, and have been evaluated to have good market value.

[0149] There are other technical features for connecting the insulated tubular busbar body and the temperature sensor assembly for supplying electricity in a railway tunnel under the state of online monitoring signals, which are all embodiments of the present invention, and the technical features of the above-mentioned embodiments can be combined arbitrarily. In order to meet the requirements of the Patent Law, Patent Implementing Rules and Examination Guidelines, all possible combinations of the technical features in the above-mentioned embodiments will no longer be described.

[0150] The above embodiment is only one implementation form of the railway tunnel insulated tubular busbar device based on online monitoring, the method of use and the application thereof provided by the present invention. Other variations of the scheme provided by the present invention, adding or reducing the components or steps therein, or applying the present invention to other technical fields close to the present invention, all fall within the protection scope of the present invention.

Claims

1. A railway tunnel insulated tubular busbar device based on online monitoring, characterized by: The utility model comprises an insulating tubular busbar body which is arranged to be connected to a power supply network, and a temperature measuring sensor component which is arranged on the insulating tubular busbar body.

2. The railway tunnel insulated tubular busbar device based on online monitoring according to claim 1 is characterized in that: The insulating tubular busbar body and the temperature sensing assembly are connected to each other in a manner that power is supplied in a railway tunnel under an online monitoring signal.

3. The railway tunnel insulated tubular busbar device based on online monitoring according to claim 2 is characterized in that: The temperature sensing component is connected to the insulating tubular busbar body in a manner of picking up the temperature signal in the power transmission state.

4. The railway tunnel insulated tubular busbar device based on online monitoring according to claim 1 is characterized in that: The insulating tubular busbar body is configured to include a first section of the insulating tubular busbar (1), a second section of the insulating tubular busbar (2), an intermediate joint (3), a plug-in terminal (5), a busbar cold shrink terminal (6) and a terminal clamp (7). Or, the temperature sensing component is configured to include a casing temperature measuring optical fiber (9) and a temperature measuring sensor (90), Or, it further comprises a first accessory device and the first accessory device is arranged on the insulating tubular busbar body, and the first accessory device is arranged as a working current sensor (91), Or, it further comprises a second accessory device and the second accessory device is arranged on the insulating tubular busbar body, and the second accessory device is arranged to comprise a grounding circulation sensor (8) and an ultra-wideband sensor assembly (92), Or, it further includes a third accessory device and the third accessory device is respectively arranged on the insulating tubular busbar body, the first accessory device and the second accessory device, and the third accessory device is configured to include a partial discharge signal collector (93), a ground loop current signal collector (94), an optical fiber remote module (95), an online monitoring host (96) and a monitoring platform center (97).

5. The railway tunnel insulated tubular busbar device based on online monitoring according to claim 4 is characterized in that: An intermediate joint (3) is provided between a first section of the insulating tubular busbar (1) and a second section of the insulating tubular busbar (2); a grounding circulation sensor (8) is provided on the intermediate joint (3); and a working current sensor (91) is provided between the first section of the insulating tubular busbar (1) and the intermediate joint (3); a plug-in terminal (5) is provided on the first section of the insulating tubular busbar (1); and a casing temperature measuring optical fiber (9) is provided between the plug-in terminal (5) and the first section of the insulating tubular busbar (1); a busbar cold shrink terminal (6) is provided on the second section of the insulating tubular busbar (2); and a temperature measuring optical fiber (9) is provided between the second section of the insulating tubular busbar (2) and the intermediate joint (3). An ultra-wideband sensor assembly (92) is respectively arranged between the busbar cold shrink terminal (6), a terminal fixture (7) is arranged on the busbar cold shrink terminal (6), and a temperature sensor (90) is arranged on the terminal fixture (7), a partial discharge signal collector (93) is arranged on the ultra-wideband sensor assembly (92), and a grounding circulation signal collector (94) is arranged on the grounding circulation sensor (8), an optical fiber remote module (95) is arranged between the partial discharge signal collector (93) and the grounding circulation signal collector (94) and an online monitoring host (96), and a monitoring platform center (97) is arranged on the online monitoring host (96), Or, the casing temperature measuring optical fiber (9) is arranged to be connected in a surrounding manner to the connection portion between the plug-in terminal (5) and the first section of the insulating tubular busbar (1), and the output interface of the casing temperature measuring optical fiber (9) is arranged to be connected to the online monitoring host (96), Or, the temperature sensor (90) is configured as a contact temperature sensor and the contact of the temperature sensor (90) is configured to be connected to the terminal fixture (7), and the output interface of the temperature sensor (90) is configured to be connected to the online monitoring host (96), Alternatively, the first section of the insulating tubular busbar (1) and the second section of the insulating tubular busbar (2) are respectively configured to include an insulating tubular busbar body (11) and an optical fiber tube (12), and the insulating tubular busbar body (11) is configured to be accommodatedly connected to the optical fiber tube (12), the inner end of the insulating tubular busbar body (11) is respectively configured to be connected to the intermediate joint (3), and the inner end of the insulating tubular busbar body (11) located on the first section of the insulating tubular busbar (1) is configured to be connected to the operating current sensor (91), and the inner end of the insulating tubular busbar body (11) located on the first section of the insulating tubular busbar (1) is configured to be connected to the operating current sensor (91). The outer ends of the insulating tubular busbar body (11) on the busbar (1) are respectively arranged to be connected to the plug-in terminal (5) and the casing temperature measuring optical fiber (9), and the end of the insulating tubular busbar body (11) located on the second section of the insulating tubular busbar (2) is arranged to be connected to the ultra-wideband sensor assembly (92), the outer end of the insulating tubular busbar body (11) located on the second section of the insulating tubular busbar (2) is arranged to be connected to the busbar cold shrink terminal (6), and the end of the optical fiber tube (12) is arranged to be connected to the online monitoring host (96), Or, the insulating tubular busbar body (11) is configured as a cable body and the optical fiber tube (12) is configured as an optical fiber line having a copper tube, the middle portion of the insulating tubular busbar body (11) is configured to be accommodatedly connected to the optical fiber tube (12) and the optical fiber tube (12) is configured to be arranged and distributed at intervals along the peripheral contour line of the insulating tubular busbar body (11), Alternatively, the intermediate joint (3) is configured to include a conductive cylinder (31), a stop sleeve (32), a stress cone portion I (302), a fixed cylinder (33), a stress cone portion II (34), an intermediate cylinder portion I (35), a cover portion I (36), a sealing sleeve (301), a cone support portion (37), a grounding terminal portion (38), a tail pipe portion (39) and a sealing package portion (30), and the inner ends of the stress cone portion I (302) and the stress cone portion II (34) are respectively configured to be connected to the fixed cylinder (33) in a through-type manner, and the conductive cylinder (31) is respectively configured to be connected to the stop sleeve (32) and the stress cone portion I (302) in a through-type manner, and the stop sleeve (3 The outer end face of the stress cone portion 2 is arranged to be in contact with the inner end face of the stress cone portion Ⅰ (302), the inner end face of the stop sleeve portion (32) is arranged to be in contact with the inner end face of the stress cone portion Ⅱ (34), and the fixed cylinder portion (33) is arranged to be embedded in the intermediate cylinder portion Ⅰ (35), the outer end head of the stress cone portion Ⅱ (34) and the inner end head of the cone support portion (37) are arranged to be through-connected with the cover portion Ⅰ (36) respectively, and the outer end face of the stress cone portion Ⅱ (34) is arranged to be in contact with the inner wall of the cone support portion (37), the outer wall of the cone support portion (37) is arranged to be in contact with the inner wall of the cover portion Ⅰ (36), and the cover portion The cover portion I (36) is configured to be connected to the port portion of the intermediate cylinder portion I (35) in a covering manner, the cover portion I (36) is configured to be connected to the intermediate cylinder portion I (35) through a screw and the inner end of the tail tube portion (39) is configured to be connected to the cone support portion (37) in a sleeve-type manner, the peripheral side surface of the tail tube portion (39) is configured to be connected to the sealing package portion (30) in a contact manner and the sealing sleeve (301) is configured to be connected to the inner end of the sealing package portion (30), the cover portion I (36) and the port of the intermediate cylinder portion I (35) in a sleeve-type manner, the grounding terminal portion (38) is configured to be connected to the inner side of the peripheral side of the sealing package portion (30) and one of the ends of the flashlight portion (31) is configured to be connected to the inner side of the sealing package portion (30) The device is configured to be connected to the conductor end of the first section of the insulating tubular busbar (1), the other end of the torch portion (31) is configured to be connected to the conductor end of the second section of the insulating tubular busbar (2), and the stress cone portion II (34) and the cone support portion (37) are respectively configured to be connected to the conductor end of the first section of the insulating tubular busbar (1) and the conductor end of the second section of the insulating tubular busbar (2), the tail tube portion (39) and the sealing package portion (30) are respectively configured to be connected to the insulator end of the first section of the insulating tubular busbar (1) and the insulator end of the second section of the insulating tubular busbar (2), and the grounding terminal portion (38) is configured to be connected to a grounding circulation sensor (8), Alternatively, the electric torch portion (31) is configured as a tubular body, the stop sleeve portion (32) and the cover portion I (36) are configured as circular sheet bodies, respectively, the fixed barrel portion (33) is configured as a condensed body of insulating resin slurry, and the intermediate barrel portion I (35) is configured as a tubular body having an annular rim at the port portion, and the inner end of the bolt located between the cover portion I (36) and the intermediate barrel portion I (35) is configured as a through-connected bolt connected to the cover portion I (36) and located between the cover portion I (36) and the intermediate barrel portion I (35). 5) is configured to be threadedly connected to the annular rim of the intermediate tube part (35), the bolt flange body located between the cover part I (36) and the intermediate tube part I (35) is configured to be contact-connected to the outer end surface of the cover part I (36), and the sealing sleeve (301) is configured to be a rubber tubular body, the cone support part (37) is configured to be a support body for the stress cone, and the tail tube part (39) is configured to be a cable tail tube, and the sealing package part (30) is configured to be a winding body of an insulating adhesive tape, Or, the plug-in terminal (5) is configured as a plug-in cable terminal head and the inner interface of the plug-in terminal (5) is configured to be connected to the conductor end of the first section of the insulating tubular busbar (1), the outer interface of the plug-in terminal (5) is configured to be connected to the power supply grid and the peripheral side surface of the plug-in terminal (5) is configured to be connected to the casing temperature measuring optical fiber (9), Or, the busbar cold shrink terminal (6) is configured as a cold shrink cable terminal and the busbar cold shrink terminal (6) is configured to be connected to the end of the second section of the insulating tubular busbar (2), the outer end of the busbar cold shrink terminal (6) is configured to be connected to the terminal fixture (7) and the inner end of the busbar cold shrink terminal (6) is configured to be connected to the ultra-wideband sensor assembly (92), Or, the terminal clamp (7) is configured as a cable terminal clamp and the terminal clamp (7) is configured to be connected to the second section of the insulating tubular busbar (2), the inner end surface portion of the terminal clamp (7) is configured to be connected to the busbar cold shrink terminal (6), and the peripheral side surface portion of the terminal clamp (7) is configured to be connected to the temperature sensor (90), Or, the operating current sensor (91) is configured to include a point-taking coil portion (911) and a current sensor portion (912), and the output interface of the point-taking coil portion (911) is configured to be connected to a power interface of the current sensor portion (912), the point-taking coil portion (911) and the current sensor portion (912) are respectively configured to be sleeve-connected to the first section of the insulating tubular busbar (1), and the output interface of the current sensor portion (912) is configured to be connected to an online monitoring host (96), Or, the point-taking coil part (911) is set as a CT power supply and the current sensor part (912) is set as an optical fiber current sensor, Or, the input interface of the ground circulation sensor (8) is configured to be connected to the intermediate joint (3) and the output interface of the ground circulation sensor (8) is configured to be connected to the ground circulation signal collector (94), Or, the ultra-wideband sensor assembly (92) is configured to include an ultra-wideband sensor section (921), a frame section (922), a plate section (923), and a bolt and nut section I (924). A receiving groove (925) is provided on the inner end face of the frame section (922). The upper part of the inner wall of the receiving groove (925) is configured to be connected to the ultra-wideband sensor section (921) in a receiving manner. The lower end face of the frame section (922) is configured to be connected to the upper end face of the plate section (923). The bolt of the bolt and nut section I (924) is configured to be connected to the plate section (923) in a penetrating manner. The bolt flange body of the bolt and nut section I (924) and the inner end face of the nut of the bolt and nut section I (924) are respectively configured to be connected to the plate section (923) in a contacting manner. The plate section (923) is configured to be connected to the second-section insulated tubular busbar (2) in a clamping manner. The middle part of the inner peripheral side of the plate section (923) is configured to be connected to the second-section insulated tubular busbar (2) in a contacting manner. The ultra-wideband sensor section (921) is configured to be distributed corresponding to the second-section insulated tubular busbar (2). The output interface of the ultra-wideband sensor section (921) is configured to be connected to the partial discharge signal collector (93). Or, the frame section (922) is configured to be a P-shaped sheet body, and the plate section (923) is configured to be a strip-shaped sheet body. The bolt of the bolt and nut section I (924) is configured to be a hexagonal bolt, and the nut of the bolt and nut section I (924) is configured to be a hexagonal nut. The receiving groove (925) is configured to be a C-shaped opening body. Or, the input interface of the ground loop current signal collector (94) is configured to be connected to the ground loop current sensor (8), and the output interface of the ground loop current signal collector (94) is configured to be connected to the fiber optic remote module (95). Or, the input interface of the partial discharge signal collector (93) is configured to be connected to the ultra-wideband sensor assembly (92), and the output interface of the partial discharge signal collector (93) is configured to be connected to the fiber optic remote module (95). Or, the input interfaces of the fiber optic remote module (95) are respectively configured to be connected to the partial discharge signal collector (93) and the ground loop current signal collector (94), and the output interface of the fiber optic remote module (95) is configured to be connected to the on-line monitoring host (96). Or, the on-line monitoring host (96) is configured to be a data processor. The input interfaces of the on-line monitoring host (96) are respectively configured to be connected to the bushing temperature measurement optical fiber (9), the operating current sensor (91), and the temperature measurement sensor (90). The output interface of the on-line monitoring host (96) is configured to be connected to the monitoring platform center (97). Or, the monitoring platform center (97) is configured to be a computer with a CPU, and the input interface of the monitoring platform center (97) is configured to be connected to the on-line monitoring host (96).

6. The railway tunnel insulated tubular busbar device based on online monitoring according to any one of claims 1 to 5, characterized in that: the first section The insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) are arranged to be distributed in a manner of measuring temperature values, and the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) are arranged to be distributed in a manner of measuring temperature values, and the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) are arranged to be distributed in a manner of measuring current values, and the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) are arranged to be distributed in a manner of measuring current values, and the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) are arranged to be distributed in a manner of measuring grounding loop current. The sensor (8) is arranged to be distributed in a manner of measuring ground loop current values, and the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) and the ultra-wideband sensor assembly (92) are arranged to be distributed in a manner of measuring partial discharge signal values, and the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2), the intermediate joint (3), the plug-in terminal (5), the busbar cold shrink terminal (6) and the terminal fixture (7) and the partial discharge signal collector (93), the ground loop current signal collector (94), the optical fiber remote module (95), the online monitoring host (96) and the monitoring platform center (97) are arranged to be distributed in a manner of data processing, Alternatively, the torch portion (31), the stress cone portion II (34), the cone support portion (37), the tail tube portion (39) and the sealing package portion (30) are respectively arranged to be connected to the insulating tubular busbar body portion (11).

7. The railway tunnel insulated tubular busbar device based on online monitoring according to claim 4 is characterized in that: The edge of the insulating tubular busbar body (11) is arranged to be accommodated and connected to the optical fiber tube (12), and the optical fiber tube (12) is arranged to be spaced apart along the peripheral side of the insulating tubular busbar body (11) according to a spiral line. Alternatively, the intermediate joint (3) is configured to include an intermediate barrel portion II (10), a cover portion II (20), a bolt and nut portion II (30), a grounding nut barrel I (40), a grounding nut barrel II (50), a grounding nut barrel III (60), an embedded barrel portion (70), a screw-in screw rod I (80), a receiving barrel portion (90), a screw-in screw rod II (100), a sleeve portion I (200) and a sleeve portion II (300), and the intermediate barrel portion II (10) is configured to be respectively configured to be accommodatingly connected to the screw-in screw rod I (80), the receiving barrel portion (90), the screw-in screw rod II (100), the sleeve portion I (200) and the sleeve portion II (300), and the port portion of the intermediate barrel portion II (10) is configured to be connected to the inner end of the cover portion II (20). The bolts of the bolt and nut part II (30) are respectively arranged to be connected with the intermediate cylinder part II (10) and the cover part II (20) in a through-type manner, the bolt flange of the bolt and nut part II (30) is arranged to be connected in a contact manner with the outer end face edge of the cover part II (20), and the nut inner end face of the bolt and nut part II (30) is arranged to be connected in a contact manner with the flange of the intermediate cylinder part II (10), the middle part of the peripheral side surface of the intermediate cylinder part II (10) is arranged to be connected with the grounding nut cylinder II (50), and one side part of the peripheral side surface of the intermediate cylinder part II (10) is arranged to be connected with the grounding nut cylinder I (40), and the other side part of the peripheral side surface of the intermediate cylinder part II (10) is arranged to be connected with the grounding nut cylinder III (6 0) is connected and the embedded cylinder (70) is configured to be embeddedly connected with the accommodating cylinder (90), the inner port portion of the embedded cylinder (70) is configured to be contact-connected with the bottom of the accommodating cylinder (90) and the bottom of the embedded cylinder (70) is configured to be threadedly connected with the screw-in screw rod I (80), the bottom of the accommodating cylinder (90) is configured to be threadedly connected with the screw-in screw rod II (100) and one of the port portions of the accommodating cylinder (90) is configured to be contact-connected with the inner end face portion of the sleeve portion I (200), another port portion of the accommodating cylinder (90) is configured to be contact-connected with the inner end face portion of the sleeve portion II (300) and the outer end face portion of the sleeve portion I (200) and the sleeve portion II (300) are connected. ) are respectively arranged to be connected in contact with the cover part II (20), the cover part II (20), the sleeve part I (200) and the sleeve part II (300) are respectively arranged to be connected in sleeve type with the insulating tubular busbar body part (11), and the embedded cylinder part (70) and the accommodating cylinder part (90) are respectively arranged to be connected in contact with the end of the conductor located on the insulating tubular busbar body part (11), the screw-in screw rod I (80) and the screw-in screw rod II (100) are respectively arranged to be connected in screw-in type with the end of the conductor located on the insulating tubular busbar body part (11), and the grounding nut cylinder I (40), the grounding nut cylinder II (50) and the grounding nut cylinder III (60) are respectively arranged to be connected with the grounding circulation sensor (8), Or, the intermediate barrel portion I (35) is configured as a tubular body having an annular rim at the port portion and the cover portion II (20) is configured as a circular sheet-shaped body, the bolt of the bolt and nut portion II (30) is configured as a hexagonal bolt and the nut of the bolt and nut portion II (30) is configured as a hexagonal nut, the grounding nut barrel I (40), the grounding nut barrel II (50) and the grounding nut barrel III (60) are respectively configured as tubular bodies having a threaded body at the outer port and the embedded barrel portion (70) is configured as a circular box-shaped body, the accommodating barrel portion (90) is configured as a tubular body having an H-shaped cross-section and the screw-in screw rod I (80) and the screw-in screw rod II (100) are respectively configured as hexagon socket screws, the sleeve portion I (200) and the sleeve portion II (300) are configured as conical tubular bodies, Or, the distributed optical fiber temperature measurement host of the online monitoring host (96) is set to have 2-32 channels, a single-channel measurement distance of 2-20 km, a positioning accuracy of ±0.4 m, a temperature measurement accuracy of ±0.5°C, a scanning cycle of 10 seconds, and an alarm response time of ≤3 seconds. The temperature sensor (90) is configured to have a temperature sensor module and a collector module with a temperature measurement range of -40°C to 300°C and a measurement accuracy of 0.1°C. The ground current sensor (8) is set to have a starting current of 5A, a measurement accuracy of 1s, a scanning period of 10 seconds, and a start time of 30ms when the limit is exceeded. The operating current sensor (91) is set to have a start time of 1 s. The ultra-wideband sensor unit (921) is set to have a frequency band range of 0-250MHz and an error of 1mV.

8. A method for using a railway tunnel insulated tubular busbar device based on online monitoring, characterized in that the steps are: The insulated tubular busbar body enables power transmission in a railway tunnel, and the temperature sensing component enables the insulated tubular busbar body to pick up temperature signals in the power transmission state, thereby enabling power supply in the railway tunnel under the state of online monitoring signals.

9. The method for using the railway tunnel insulated tubular busbar device based on online monitoring according to claim 8 is characterized in that the steps are: The tail tube part (39), the middle tube part I (35), the cover part I (36), the sealing sleeve (301), the cone support part (37), the stress cone part II (34), the stop sleeve part (32) and the stress cone part I (302) are mounted on the end of the upper insulating tubular busbar body part (11), the stop sleeve part (32) is placed between the stress cone part I (302) and the stress cone part II (34), the cone support part (37) is installed on the stress cone part II (34), the end of the conductor of the insulating tubular busbar body part (11) on the first section of the insulating tubular busbar (1) is installed in one of the ends of the torch part (31), and the end of the conductor of the insulating tubular busbar body part (11) on the second section of the insulating tubular busbar (2) is installed in In one of the other ends of the flashlight part (31), the cone support part (37), the stress cone part II (34), the stop sleeve part (32) and the stress cone part I (302) on the first section of the insulating tubular busbar (1) are placed on one of the ports of the intermediate tube part I (35), and the cone support part (37), the stress cone part II (34), the stop sleeve part (32) and the stress cone part I (302) on the second section of the insulating tubular busbar (2) are placed on one of the other ports of the intermediate tube part I (35), and the raw material insulating resin slurry of the fixed tube part (33) is injected through the port of the intermediate tube part I (35). When the raw material insulating resin slurry in the fixed tube part (33) is solidified, the tail tube part (39) is sleeved on the cone support part (37) and the insulating tube part. The invention relates to a method for manufacturing a heat-insulating tubular busbar. The heat-insulating tubular busbar is installed on a main body (11) of the heat-insulating tubular busbar. The sealing cover part I (36) is installed on the middle tube part I (35) by means of a screw rod. The insulating adhesive tape of the sealing package part (30) is wound on the main body (11) of the heat-insulating tubular busbar and the tail tube part (39). The sealing sleeve (301) is sleeved on the sealing package part (30), the sealing cover part I (36) and the middle tube part I (35), thereby connecting the first section of the heat-insulating tubular busbar (1) and the second section of the heat-insulating tubular busbar (2) together. The end of the optical fiber tube (12), the output interface of the casing temperature measuring optical fiber (9), the output interface of the current sensor part (912), the output interface of the temperature measuring sensor (90) and the output interface of the optical fiber remote module (95) are respectively connected to the online monitoring host (96). The input interface of the grounding circulation sensor (8) is connected to the grounding terminal portion (38), the output interface of the grounding circulation sensor (8) is connected to the input interface of the grounding circulation signal collector (94), the plate portion (923) is placed on the end of the insulating tubular busbar body portion (11) on the second section of the insulating tubular busbar (2), the two plate portions (923) are connected to each other through the bolt and nut portion I (924), the end of the insulating tubular busbar body portion (11) on the second section of the insulating tubular busbar (2) is clamped by the two plate portions (923), so that the ultra-wideband sensor portion (921) is distributed correspondingly to the insulating tubular busbar body portion (11) on the second section of the insulating tubular busbar (2),The output interface of the ultra-wideband sensor unit (921) is connected to the input interface of the partial discharge signal collector (93), the output interface of the ground loop current signal collector (94) and the output interface of the partial discharge signal collector (93) are connected to the input interface of the optical fiber remote module (95), the online monitoring host (96) is connected to the monitoring platform center (97), the external interface of the plug-in terminal (5) is connected to the power supply grid, the temperature value signal measured by the optical fiber tube (12) is used to monitor the working state of the insulating tubular busbar body (11) online, the temperature value signal measured by the casing temperature measuring optical fiber (9) is used to monitor the performance of the connection part between the plug-in terminal (5) and the first section of the insulating tubular busbar (1) online, and the temperature value signal measured by the temperature measuring sensor (90) is used to monitor the terminal The performance of the connection part between the clamp (7) and the busbar cold shrink terminal (6) is monitored online. The operating current sensor (91) measures the current value signal to monitor the transmission current of the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2) and the intermediate joint (3) online. The grounding circulation sensor (8) measures the grounding circulation signal value and the ultra-wideband sensor assembly (92) measures the partial discharge signal value to monitor the connection performance between the first section of the insulating tubular busbar (1), the second section of the insulating tubular busbar (2) and the intermediate joint (3) online. The partial discharge signal collector (93), the grounding circulation signal collector (94), the optical fiber remote module (95), the online monitoring host (96) and the monitoring platform center (97) process, alarm and store the signal value. Or, the steps are: The intermediate barrel part II (10), the cover part II (20), the sleeve part I (200) and the sleeve part II (300) are mounted on the end of the upper insulating tubular busbar body part (11), the end of the insulating tubular busbar body part (11) located on the first section of the insulating tubular busbar (1) is placed in the sleeve part I (200), the end of the conductor of the insulating tubular busbar body part (11) located on the first section of the insulating tubular busbar (1) is placed on the bottom of the embedded barrel part (70), and the screw-in screw I (80) is screwed into the embedded barrel part (70) and the end of the conductor of the insulating tubular busbar body part (11) located on the first section of the insulating tubular busbar (1), thereby The embedded barrel (70) and the insulating tubular busbar body (11) located on the first section of the insulating tubular busbar (1) are connected together, the end of the insulating tubular busbar body (11) located on the second section of the insulating tubular busbar (2) is placed in the sleeve part II (300), the end of the conductor of the insulating tubular busbar body (11) located on the second section of the insulating tubular busbar (2) is placed on the bottom of the accommodating barrel (90), and the screw-in screw II (100) is screwed into the accommodating barrel (90) and the end of the conductor of the insulating tubular busbar body (11) located on the second section of the insulating tubular busbar (2), thereby accommodating the barrel (90) and the second section of the insulating tubular busbar. The insulating tubular busbar body (11) on the busbar (2) is connected together, the embedded tube part (70) is installed in the accommodating tube part (90), the sleeve part I (200) is placed in one of the ports of the intermediate tube part II (10), the sleeve part II (300) is placed in another of the ports of the intermediate tube part II (10), the cover part II (20) is placed on the port of the intermediate tube part II (10), the cover part II (20) and the intermediate tube part II (10) are connected together through the bolt and nut part II (30), the bolt located between the grounding nut tube I (40) and the grounding circulating current sensor (8) is installed in the grounding nut tube I (40), and the bolt located between the grounding nut tube I (40) and the grounding circulating current sensor (8) is installed in the grounding nut tube I (40), so that the grounding nut tube I (40) is connected to the grounding circulating current sensor (8) by the bolt and nut part II (30). The bolt end between the ground nut tube I (40) and the grounded circulation sensor (8) acts on the sleeve part I (200), the bolt between the ground nut tube II (50) and the grounded circulation sensor (8) is installed in the ground nut tube II (50), so that the bolt end between the ground nut tube II (50) and the grounded circulation sensor (8) acts on the accommodating tube part (90), the bolt between the ground nut tube III (60) and the grounded circulation sensor (8) is installed in the ground nut tube III (60), so that the bolt end between the ground nut tube III (60) and the grounded circulation sensor (8) acts on the sleeve part II (300).

10. Application of an insulated tubular busbar device for a railway tunnel based on online monitoring and a method of use in a 27.5 kV power grid of an electrified railway.

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