Intelligent generator carbon brush room cooling and carbon powder collecting device

Abstract

The application discloses a kind of intelligent generator carbon brush room cooling and carbon powder collection device, including power system, air supply pipeline, air outlet pipeline, air outlet and carbon powder box, the carbon powder box has two communicating openings, one of which is installed with filter screen and is connected with air outlet by air supply pipeline in turn air supply pipeline, power system, air outlet pipeline and air outlet, another is used as air suction port, the air outlet is opened with air outlet.The setting air outlet device is blown to the equipment in carbon brush room, and forms air duct to collect carbon powder in carbon brush room through air duct, and air duct can cool the equipment in carbon brush room, realizes the cooling of carbon brush room and carbon powder collection, to ensure that generator set can full-load operation.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor cleaning, in particular to a kind of intelligent generator carbon brush room cooling and carbon powder collection device. BACKGROUND

[0002] The existing power station each unit is successively put into production in more than 90 years, is limited by the technical level of that year, in addition to running 20-30 years, the main parts of generator stator and rotor exist major equipment safety hazard, affect the safe and reliable operation of unit, plus in recent years, more to carry out variable capacity modification to backward generator unit, excitation current also increases with it.

[0003] Hydropower station bears more power generation task in the summer of rain abundant and is the key period of peak load, the generator unit after complete capacity expansion begins full load operation, but in the power generation peak period, carbon brush temperature is too high, slip ring wears, carbon brush fires phenomenon.

[0004] After replacing carbon brush, cleaning slip ring, increasing cooling fan etc., temperature has dropped, but there are many carbon powder on the ground of carbon brush room, and carbon brush still has fire phenomenon, in order to generate electricity safely and stably during peak load, the unit after capacity expansion has to reduce load, cannot realize full load operation, reduces the effect of capacity expansion. SUMMARY

[0005] The technical problem solved by the present application is to provide a kind of intelligent generator carbon brush room cooling and carbon powder collection device, can cool and collect carbon powder in carbon brush room

[0006] In order to solve the above technical problem, the technical scheme adopted by the present application is:

[0007] A kind of intelligent generator carbon brush room cooling and carbon powder collection device, including power system, air supply pipeline, air outlet pipeline, air outlet and carbon powder box, the carbon powder box has two communicating openings, one of which is installed with filter screen and is connected with air outlet through air supply pipeline in turn air supply pipeline, power system, air outlet pipeline and air outlet, the other is used as air suction port, the air outlet is opened with air outlet.

[0008] The beneficial effects of the present application are that a kind of intelligent generator carbon brush room cooling and carbon powder collection device, air outlet device is swept to the equipment in carbon brush room, and forms air duct to collect carbon powder in carbon brush room through air duct, and air duct can cool the equipment in carbon brush room, realizes the cooling and carbon powder collection of carbon brush room. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the structure diagram of the present application related to a kind of intelligent generator carbon brush room cooling and carbon powder collection device;

[0010] Figure 2 Figure 1 is a schematic diagram of the installation of a carbon brush room cooling and carbon powder collecting device of an intelligent generator according to the present application;

[0011] Label description:

[0012] 1, power system; 2, air outlet pipe; 3, air supply pipe; 4, carbon powder box; 5, air outlet device; 6, scraping strip; 7, machine cover. DETAILED DESCRIPTION

[0013] In order to explain the technical content, the purpose and effect of the present application in detail, the following will be described in conjunction with the embodiments and the accompanying drawings.

[0014] Please refer to Figure 1 A carbon brush room cooling and carbon powder collecting device of an intelligent generator, comprising a power system, an air supply pipe, an air outlet pipe, an air outlet device and a carbon powder box, the carbon powder box has two communicating openings, one of which is provided with a filter screen and is connected with the air outlet device through the air supply pipe in sequence, and the other one is used as an air inlet, and the air outlet device is provided with an air outlet.

[0015] From the above description, it can be seen that the carbon brush room cooling and carbon powder collecting device of the intelligent generator has the following beneficial effects: the air outlet device blows the equipment in the carbon brush room and forms an air duct to collect the carbon powder in the carbon brush room through the air duct, and the air duct can cool the equipment in the carbon brush room, realizing the cooling and carbon powder collection of the carbon brush room to ensure that the generator set can operate at full load.

[0016] Further, the power system, the carbon powder box, the air supply pipe and the air outlet pipe are all two, each carbon powder box is connected through different air supply pipes, power systems, air outlet pipes and air outlet devices, and the air outlet pipe is connected with the air outlet device after being converged.

[0017] From the above description, it can be seen that the redundancy design is realized, that is, it can be opened or started at the same time according to the actual needs to adjust the working state, so as to meet the full load operation in flood season, long-time rotation of cooling and carbon powder collection work, increase the service life of the motor, and also meet the minimum working requirement in the case of damage of one system.

[0018] Further, the air outlet pipe is connected with the two sides of the air outlet device after being converged.

[0019] From the above description, it can be seen that the uniformity of air outlet is ensured.

[0020] Further, it further comprises a controller and two infrared temperature measuring devices, the two infrared temperature measuring devices are located on the two sides of the top surface of the air outlet device, and the controller is electrically connected with the power system and each infrared temperature measuring device.

[0021] From the above description, the self-starting device can be started according to the temperature in the carbon brush chamber.

[0022] Further, it also includes a scraping strip, which includes a scraping strip body and a motor driving the scraping strip body to rotate, one end of the scraping strip body is located between the two toner cartridges, and the other end faces the air outlet direction.

[0023] From the above description, the scraping strip can realize auxiliary collection of toner.

[0024] Further, it also includes a communication module, and the controller is electrically connected to the communication module.

[0025] From the above description, communication with an external computer is realized, which can realize receiving control of the external computer or obtaining the load of the generator to realize better control, and can timely notify external personnel for maintenance when the device fails.

[0026] Further, the air outlet device is a fan ring-shaped air outlet device, and the air outlet is opened in the inner periphery of the air outlet device.

[0027] From the above description, the arc-shaped inner periphery of the air outlet device can make the air duct more fit the equipment in the carbon brush chamber, and the outer periphery is arranged to fit the inner surface of the carbon brush chamber to more fit the inside of the carbon brush chamber, reduce the occupation of the internal space of the carbon brush chamber, and facilitate the access of maintenance personnel to replace carbon brushes, clean, check oil pipe leakage (the upper part of the machine cover is an oil receiver with a paddle controlling the oil pipe passing through the carbon brush chamber), and other maintenance work.

[0028] Further, one side of the toner cartridge close to the ground is inclined at one end of the air suction port, and the direction close to the air suction port is higher, and the direction away from the air suction port is lower.

[0029] From the above description, the inclination of the toner cartridge can prevent the collected toner from running out and affect the collection effect.

[0030] Further, the air outlet device is inclined compared to the horizontal plane, and the outer periphery is higher and the inner periphery is lower.

[0031] From the above description, when installing, the air outlet device is placed at a higher position, and the inclined air outlet device can better realize blowing and cleaning of the equipment in the carbon brush chamber.

[0032] Further, the air outlet device, the toner cartridge, the controller and the scraping strip are located on the same side of the power system, the air outlet device, the toner cartridge, the controller and the scraping strip are located in the carbon brush chamber, and the power system is located outside the carbon brush chamber.

[0033] From the above description, the main entity pipeline can be realized outside the machine cover, the installation components in the carbon brush chamber are reduced, the air circulation in the original machine cover is avoided, and the staff can walk inside conveniently.

[0034] The present application is used for cooling and collecting carbon powder of the carbon brush room of the generator.

[0035] Please refer to Figures 1-2 The embodiment one of the present application is:

[0036] The intelligent generator carbon brush room cooling and carbon powder collecting device comprises a power system 1, two air supply pipelines 3, two air outlet pipelines 2, an air outlet device 5, two carbon powder boxes, a controller and a scraping strip 6.

[0037] The air outlet device 5, the carbon powder box, the controller and the scraping strip 6 are located in the carbon brush room cover 7, and the power system 1 is located outside the carbon brush room cover 7. In the embodiment, the power system 1 is specifically two silent blowing and sucking dual-purpose motors, the silent blowing and sucking dual-purpose motors are connected with one carbon powder box through one air supply pipeline 3 respectively, and are connected with the air outlet device 5 through one air outlet pipeline respectively.

[0038] The carbon brush box 4 has two communicating openings, one of which is provided with a filter screen and is connected with the power system 1 through the air supply pipeline 3, and the other one is used as an air suction port. The air suction port, the air supply pipeline 3, the power system 1, the air outlet pipeline 2 and the air outlet device 5 form an air channel circulation, so as to realize the cooling of the carbon brush holder and the slip ring in the carbon brush room and the collection of the carbon powder in the carbon brush room.

[0039] The two power systems 1 are redundantly arranged, that is, they can be started alternately or simultaneously according to actual needs to adjust the working state, so as to meet the full load operation in the flood season, long-time alternately execute the cooling and carbon powder collecting work, increase the service life of the motor, and also meet the minimum working requirement in the case of damage of one system.

[0040] And since the main entity pipeline is outside the cover 7, the installation components in the carbon brush room are reduced, the air circulation in the original cover 7 is avoided from being affected, and the staff can walk in the inside conveniently.

[0041] The air outlet device 5 is an arc-shaped air outlet device 5, the arc-shaped outer periphery of which is arranged to be fitted to the inner surface of the carbon brush room, so as to be more fitted to the inside of the carbon brush room, reduce the occupation of the internal space of the carbon brush room, and facilitate the access of the maintenance personnel to replace the carbon brush, clean and other maintenance work.

[0042] The arc-shaped inner periphery of the air outlet device 5 faces the carbon brush holder and the slip ring of the carbon brush box 4 and is provided with an arc-shaped air outlet, the arc-shaped air outlet of the air outlet device 5 can make the air channel more fitted to the carbon brush holder and the slip ring, and the upper surface of the air outlet device 5 has one infrared temperature measuring device on each side, so as to detect the temperature in the carbon brush room. The two infrared temperature measuring devices are arranged separately, and can cover half a circle of the carbon brush room.

[0043] In the embodiment, the two air supply air ducts are connected with two sides of the air outlet 5 respectively after being converged to ensure uniform air outlet of the two power systems, and the air outlet 5 is inclined relative to the horizontal plane to accurately perform non-contact blowing on the slip ring and the carbon brush part.

[0044] The carbon powder box is located below the air supply device and faces the entrance of the carbon brush chamber of the machine cover 7, so that the carbon powder box can be replaced by opening the machine cover 7 door, and the side of the carbon powder box close to the ground is inclined at one end of the air suction port, and the direction close to the air suction port is higher, and the direction away from the air suction port is lower, so as to prevent the carbon powder from running out.

[0045] The scraping strip 6 includes a scraping strip 6 body and a motor for driving the scraping strip 6 body to rotate, one end of the scraping strip 6 body is located between the two carbon powder boxes, and the other end extends towards the carbon brush holder and the slip ring, the scraping strip 6 is made of insulating material, so as to scrape the residual carbon powder falling to the ground when starting, and assist the carbon powder collecting box to better collect the carbon powder, and stop at the middle position when stopping.

[0046] The controller is electrically connected with the power system 1, the infrared temperature measuring device and the motor of the scraping strip 6, when the infrared temperature measuring device detects that the temperature in the carbon brush chamber reaches the set starting temperature, the controller starts the power system 1 and the motor.

[0047] Further, a communication module is further included, the controller is electrically connected with the communication module, so as to connect the external computer through the communication module, when the active power of the machine set reaches the set starting load, and the two sets of infrared temperature measuring devices reach the set starting temperature, the power system 1 is started, the computer calculates the starting time of the power system 1, after starting for t hours, the computer sends a starting scraping strip 6 command to the controller, the scraping strip 6 stops after assisting to scrape the carbon powder for 5 seconds, the communication module can be a communication interface or a wireless communication module.

[0048] When the fan continuously works, the computer calculates the starting time of the fan for 1t, 2t...nt hours, and then makes the scraping strip 6 scrape the carbon powder for each 5 seconds. When the carbon powder box is blocked, the fan is abnormal, the controller sends a signal to the computer, and the computer sends a fault signal to the worker, so that the worker can clean the carbon powder box in time. After the computer calculates the starting time of one fan for t1, the controller makes another fan start and stops the fan.

[0049] In summary, the intelligent generator carbon brush chamber cooling and carbon powder collecting device provided by the application can blow the equipment in the carbon brush chamber through the air outlet device, and collect the carbon powder in the carbon brush chamber through the air duct, and the air duct can cool the equipment in the carbon brush chamber, so that the cooling and carbon powder collecting of the carbon brush chamber are realized.

[0050] The above merely illustrates the embodiments of the present application, and is not intended to limit the patent scope of the present application. Any equivalent transformation or direct or indirect application in the related technical field based on the content of the present application specification and drawings is also included in the patent protection scope of the present application.

Claims

1. A smart generator carbon brush chamber cooling and carbon powder collection device, characterized in that, It includes a power system, an air supply duct, an air outlet duct, an air outlet, and a toner cartridge. The toner cartridge has two connected openings. One opening is equipped with a filter and is connected to the air outlet in sequence via the air supply duct, the power system, and the air outlet duct. The other opening is an air intake. The air outlet has an air outlet. The power system, toner cartridge, air supply duct, and air outlet duct are all in pairs. Each toner cartridge is connected to a different air supply duct, power system, air outlet duct, and air outlet. Specifically, the air outlet ducts are combined and then connected to the air outlet. It also includes a controller and two infrared temperature measuring devices, which are located on both sides of the top surface of the air outlet. The controller is electrically connected to the power system and each infrared temperature measuring device. It also includes a scraper, which includes a scraper body and a motor that drives the scraper body to rotate. One end of the scraper body is located between two toner cartridges, and the other end faces the air outlet. The air outlet is a fan-shaped air outlet with the air outlet located on the inner circumference of the air outlet. The side of the toner cartridge closest to the ground is tilted at the air intake end, with the side closer to the air intake being higher and the side farther from the air intake being lower. The air outlet is inclined relative to the horizontal plane, with its outer perimeter being higher and its inner perimeter being lower.

2. The intelligent generator carbon brush chamber cooling and carbon powder collection device according to claim 1, characterized in that, The air outlet ducts converge and connect to both sides of the air outlet.

3. The intelligent generator carbon brush chamber cooling and carbon powder collection device according to claim 1, characterized in that, It also includes a communication module, and the controller is electrically connected to the communication module.

4. The intelligent generator carbon brush chamber cooling and carbon powder collection device according to claim 1, characterized in that, The air outlet, toner cartridge, controller, and wiper are located on the same side of the power system. The air outlet, toner cartridge, controller, and wiper are located inside the carbon brush chamber, while the power system is located outside the carbon brush chamber.

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