46results about How to "Prevent pollution flashover accidents" patented technology

A 10kV power distribution circuit insulation tower head is disclosed, which is characterized in that: adopting hydrophobic high-strength insulation bar to be assembled with needle-typed insulator by gold tool and form an insulation tower head entity, or adopting hydrophobic high-strength insulation bar to be assembled with gold tool directly and form an insulation tower head. By using the invention, the insulation level of the power distribution circuit can be greatly improved, the thunder discharge air gap can be obviously enlarged, the lightning stroke and line break accidents can be effectively prevented and the climbing distance can be expanded, further, the structure type is easy to improve self-cleaning ability and the occurrence of pollution flashover can be basically and completely precluded, which is beneficial in charged operation, simple in operation process and improves the operation security.

The invention relates to a wind power self-cleaning device for an insulator of an electric power system. According to the structure of the wind power self-cleaning device for the insulator, a plurality of centrifugal type wind guide blades stretching out transversely towards the outer sides are fixedly connected to the outer side edge of an annular ring made of insulating materials, and the centrifugal type wind guide blades are strip sheet-shaped bodies with concave arc faces. A plurality of rolling wheel carriers are arranged on the inner side edge of the annular ring, a transversely-arranged rolling wheel is arranged on each rolling wheel carrier, and the wheel rims of the rolling wheels protrude out of the rolling wheel carriers, so that rolling friction can be formed when the rolling wheels make contact with the insulator. The wind power self-cleaning device for the insulator rotates around the umbrella skirt of the insulator by using wind power, dirt on the surface of the umbrella skirt of the insulator is scraped and removed by using dirt scraping edges on the centrifugal type wind guide blades, and thus the self-cleanness of the insulator is achieved. Therefore, regular manual cleaning work in conventional situations can be removed, the occurrence of pollution flashover accidents can also be avoided effectively, and the safety of the operation of electric transmission lines is improved.

The invention discloses an online monitoring system and an online monitoring method of a high-voltage insulator filthy state. A leakage current collecting unit transmits collected leakage current data to a data sending module. An induction coil transmits an induced current from a high-voltage power transmission line to a power supply module, and the power supply module supplies power sources to the data sending module and the leakage current collecting unit. The data sending module sends data collected by a current sensor to a wireless data concentrator, and the wireless data concentrator transmits collected data to a background server through a global system for mobile communications (GSM) data public network or a general packet radio service (GPRS) data public network. The online monitoring system and the online monitoring method of the high-voltage insulator filthy state have the advantages of supplying stable and reliable electric energy to a signal collection terminal of the online monitoring system of the high-voltage insulator filthy state through a self-induced power supply device, and bringing possibilities for the system to achieve functions of real-time detection, fault diagnosis, early warning and the like of monitoring the high-voltage insulator filthy state.

The invention relates to an RTV (Room Temperature Vulcanization silicone rubber) hydrophobicity testing device for judging whether RTV hydrophobicity is complete or not. The adopted structure is that the RTV hydrophobicity testing device is provided with a memorizer, a controller, a camera, an information receiver, a judging device and a display; the memorizer stores an HC1-HC7 standard picture; the controller is used for controlling a spraying device to spray; the camera is used for recording or shooting pictures after spraying; the information receiver is used for receiving a hydrophobicity picture extracted after recording or shooting; the judging device is used for comparing the hydrophobicity picture received by the information receiver with the standard picture in the memorizer and judging; and the display is used for carrying out output display on a judging result of the judging device. According to the RTV hydrophobicity testing device disclosed by the invention, the normal and safe operation of a line can not be influenced; the device is small in volume, light in weight and convenient to operate; the anti-fouling performance of an RTV coating can be judged accurately in real time; and a pollution flashover accident is prevented; and the safe and stable operation of electric equipment is guaranteed.

The invention discloses a field repair method for a damaged composite insulator shed. The method comprises steps: the surface of a damaged part repair contact surface of the composite insulator shed is preprocessed; a composite insulator shed quick repair adhesive which can be vulcanized under a high temperature is prepared; the composite insulator shed quick repair adhesive is pressed in a roughshape of a damaged and missing part, and the surface is contacted with the surface of the damaged part; a tool is used to press the composite insulator shed quick repair adhesive towards the damaged part, the composite insulator shed quick repair adhesive fills the damaged part and is compacted, and thus, the surface contacted with the damaged part is tightly contacted with the surface of the damaged part; the damaged part is heated under a high temperature, the quick repair adhesive filling the damaged part on the composite insulator shed is heated, crosslinking happens to the material at theoriginal damage part and the quick repair adhesive, and the material at the original damage part is activated to participate in vulcanization treatment on the quick repair adhesive. The invention also discloses a quick repair adhesive executing the above method.

The invention discloses a method for preparing anti-pollution flashover insulators. The method for preparing the anti-pollution flashover insulators comprises the steps that firstly metatitanic acid is added into deionized water in proportion and mixed and stirred with the deionized water; mixed solution is slowly added to hydrogen peroxide in proportion, then the mixed solution and the hydrogen peroxide are stirred to obtain sol precursor solution, the sol precursor solution is added to SiO2 sol in proportion, and compound sol is obtained after the sol precursor solution and the SiO2 sol are mixed and evenly stirred; a vanadium doping source is added in the compound sol by atomic percentage, then the vanadium doping source is stirred and dissolved in the compound sol, and films coats the surfaces of common porcelain insulators which are just prepared in a spraying or dip-coating mode; finally thermal treatment is conducted on the common porcelain insulators after the common porcelain insulators are dried, and the anti-pollution flashover insulators which are well attached to a basal body are obtained. The prepared anti-pollution flashover insulators have excellent photocatalytic self-cleaning performance under sunlight, can effectively prevent pollution flashover accidents from occurring, and meanwhile have the functions of purifying air and beautifying environment.

The invention discloses an emergency control system and method for a substation charged water flushing robot. A master control system comprises a remote control module, a vehicle-mounted controller and an information collection module, the remote control module is in wireless connection with the vehicle-mounted controller, the information collection module collects signals sensed by sensors installed on the water flushing robot, a distance measuring control system controls the distance between the robot and an insulator chain to be kept within the safety distance by means of an ultrasonic sensor, a magnetic field distance measuring sensor and a laser distance meter installed on a pan-tilt, an emergency switch is connected with the master control system, and a manual operation rod is connected with the vehicle-mounted controller. The emergency control system and method have the advantages that operators are replaced, charged water flushing operation is carried out on substation equipment without power outage, it is ensured that the robot can stop working immediately in an emergency, and internal devices and external flushing equipment are effectively protected.

The invention discloses a high-pressure support-column insulator sweeping device integrating sweeping and dust collecting. The high-pressure support-column insulator sweeping device includes a movablebase and an insulation support rod, and the movable base is connected with an earth wire; a hinging fork head is mounted at the top of the insulation support rod, and an arc component is hinged to the hinging fork head through a locking bolt; two arc through holes formed in the same periphery are formed in the end face of the arc component, a pneumatic motor is hoisted in each arc through hole, and sweeping brush heads are mounted at the output shaft ends of the pneumatic motors; an elastic cushion block made of an insulation material is mounted on the inner side wall of the arc component; the sweeping brush heads are arranged inside a dust collection hood; the dust collection hood is mounted along the arc edge of the outer side wall of the arc component. The high-pressure support-columninsulator sweeping device integrating sweeping and dust collecting is convenient to operate, safe, reliable and high in sweeping efficiency, a support-column insulator is swept without outage, dust iscollected during sweeping, therefore, an insulation dust collection effect is effectively prevented during sweeping, and the workload of sweeping is greatly reduced.

The invention discloses a method for monitoring the hydrophobic property of an organic external insulation material in an online manner. The method comprises the following steps: (1) equipping a spraying device, a video recording device, a communication and control device and a data processing device; (2) receiving an action signal and controlling mechanical action; (3) controlling the distance and the angle; (4) spraying atomized clean water and sprinkling the clean water to the organic external insulation material; (5) recording in an image and video manner; (6) transmitting the image and the video to the data processing device; (7) carrying out analog computation on the static contact angle of water drops; (8) analyzing the water drop distributing condition and evaluating the hydrophobic property of the organic external insulation material; and (9) sending an action command. According to the method, the hydrophobic property of the organic external insulation material of running equipment or a power transmission line can be monitored in an online manner, the change condition of the hydrophobic property can be mastered and pollution flashover accidents can be effectively prevented.

The invention discloses a remote control system of a live-line flushing robot of a transformer station and a method of the system. The system comprises a walking control system and a safety control system, the walking control system comprises a wireless reception module, a remote controller, a vehicle-mounted controller and an information collection module, wireless devices are used between the wireless reception module and the vehicle-mounted controller and between the vehicle-mounted controller and the information collection module respectively to establish a WIFI network and realize data interaction among the modules, and the safety control system uses ultrasonic, magnetic-field range finding, water resistance and hydraulic pressure sensors mounted on a holder to realize real-time monitoring for the operation process of the robot. Thus, the water resistance, the hydraulic pressure and the length of a water column can be monitored online in real time, the insulation performance of the robot body and live-line equipment of the transformer station is ensured, and the safety of water flushing is effectively improved.

The invention discloses a processing technology of a slow-release long-acting super hydrophobic anti-pollution flashover coating. The processing technology comprises the following steps: first, preparing hydroxypropyl-terminated fluorinated polysiloxane, hydroxyl-terminated polysiloxane and hydrophobic fumed silica; second, adding the hydroxypropyl-terminated fluorinated polysiloxane and hydroxyl-terminated polysiloxane together with 107 silicone rubber, nano zinc oxide, oil amino oleate, mica powder and aluminum hydroxide into a mixer, stirring uniformly, and grinding for 3-4 times on a three-roller machine to obtain a uniform sizing material; third, adding the uniform sizing material into a kneading machine, adding the hydrophobic fumed silica, heating to 145-150 DEG C, kneading for 1-2 hours and cooling to 20-30 DEG C; and after that, adding a ketoxime crosslinking agent, dimethylamino propylamine, a silane coupling agent and an organic solvent, and stirring uniformly to obtain slow-release long-acting super hydrophobic anti-pollution flashover coating. In the coating prepared by the preparation method disclosed by the invention, the aims of slow release and pollution prevention can be achieved through the combination of the hydroxypropyl-terminated fluorinated polysiloxane and hydroxyl-terminated polysiloxane, and the hydrophobicity transfer of the coating can be remarkably improved.

The invention provides a novel online measurement system for salt deposit density of an insulator surface of electric transmission and transformation equipment. The novel online measurement system comprises a bare fiber, single mode fibers, optical flange seats and a vehicle-mounted measuring instrument, wherein the bare fiber is mounted on the insulator surface of the electric transmission and transformation equipment; the single mode fibers which are integrated with the bare fiber are arranged at the two ends of the bare fiber; one optical flange seat is connected with the lower end part of each single mode fiber at each end of the bare fiber; the vehicle-mounted measuring instrument is internally provided with a single vertical mode laser device and a photoelectric converter with an amplification function; the photoelectric converter with the amplification function is connected with a collector and the collector is connected with a computer. The novel online measurement system for the salt deposit density of the insulator surface of the electric transmission and transformation equipment has the beneficial effects that the system is small in volume, is passive and has no electronic elements; a discharging end is not caused and the electromagnetism distribution of a power transmission conductor is not influenced; the system resists electromagnetic interference and is low in cost; the measurement density is easy to increase and a distribution type measurement manner is formed; the online measurement system for the salt deposit density of the insulator of the electric transmission and transformation equipment is established and a power grid pollution flashover accident caused by environmental pollution is avoided.

The invention discloses a pre-twisted composite phase-to-phase spacer which comprises a composite phase-to-phase spacer body, a left pre-twisted spacer and a right pre-twisted spacer. The positions between the two ends of the composite phase-to-phase spacer body and the rear ends of the left pre-twisted spacer and the right pre-twisted spacer are respectively provided with a buffer and an adjusting plate in sequence. The composite phase-to-phase spacer body comprises a core rod, an umbrella skirt and a grading ring, and the umbrella skirt and the grading ring are both fixedly mounted on the core rod. The pre-twisted composite phase-to-phase spacer is reasonable in structure, and flashover caused by divided conductor galloping, conductor deicing jumping and conductor drooping is restrained, so that abrasion or damage of divided conductors, hardware fittings and iron towers is avoided or reduced. The composite phase-to-phase spacer achieves the effect of phase-to-phase spacing insulation and the effect of phase-to-phase electric isolation, also achieves the effect of phase-to-phase mechanical load transferring, and is suitable for high-tension transmission lines and particularly suitable for dirty areas. Flashover accidents can be effectively prevented, manual cleaning is of no need, zero value maintenance can be avoided, and the line phase-to-phase short circuit problem caused by conductor galloping can be effectively solved.

The invention provides a novel online measurement system for salt deposit density of an insulator surface of electric transmission and transformation equipment. The novel online measurement system comprises a bare fiber, single mode fibers, optical flange seats and a vehicle-mounted measuring instrument, wherein the bare fiber is mounted on the insulator surface of the electric transmission and transformation equipment; the single mode fibers which are integrated with the bare fiber are arranged at the two ends of the bare fiber; one optical flange seat is connected with the lower end part of each single mode fiber at each end of the bare fiber; the vehicle-mounted measuring instrument is internally provided with a single vertical mode laser device and a photoelectric converter with an amplification function; the photoelectric converter with the amplification function is connected with a collector and the collector is connected with a computer. The novel online measurement system for the salt deposit density of the insulator surface of the electric transmission and transformation equipment has the beneficial effects that the system is small in volume, is passive and has no electronic elements; a discharging end is not caused and the electromagnetism distribution of a power transmission conductor is not influenced; the system resists electromagnetic interference and is low in cost; the measurement density is easy to increase and a distribution type measurement manner is formed; the online measurement system for the salt deposit density of the insulator of the electric transmission and transformation equipment is established and a power grid pollution flashover accident caused by environmental pollution is avoided.

The invention discloses a transformer substation post insulator cleaning device which comprises a trolley body. A circular base is arranged on a sweeping board of the trolley body through a rotary bearing; a first automatic telescopic rod is vertically arranged on the base; a cross beam is horizontally arranged on the first automatic telescopic rod; a balancing weight block is arranged at the leftend of the cross beam; a cleaning mechanism is in spherical hinge to the right end of the cross beam; a rotation drive mechanism for controlling the base to rotate is arranged on the sweeping board of the trolley body; and a control mechanism for controlling the first automatic telescopic rod, the cleaning mechanism and the rotation drive mechanism is arranged on the sweeping board of the trolleybody. According to the transformer substation post insulator cleaning device provided by the invention, rotating bristles can be utilized for thoroughly cleaning transformer substation post insulators when a cleaning agent is utilized for soaking at the same time, so that a cleaning effect is better.

The invention discloses an improved type 2 slow-release long-acting superhydrophobic anti-pollution flashover coating. The improved type 2 slow-release long-acting superhydrophobic anti-pollution flashover coating is prepared from the following raw materials in parts by weight: 35 to 45 parts of hydroxypropyl-terminated fluorine-containing polysiloxane, 20 to 30 parts of hydrogen-terminated polysiloxane, 55 to 65 parts of silicone rubber 107, 20 to 30 parts of hydrophobic gas phase white black carbon, 3 to 5 parts of nanometer zinc oxide, 2 to 4 parts of ethyl oleate, 4 to 6 parts of diatomite, 1 to 3 parts of ketoxime type crosslinking agent, 5 to 10 parts of dimethyl aminopropyl amine, 1 to 2 parts of silane coupling agent, 3 to 6 parts of magnesium hydroxide, and 165 to 175 parts of organic solvent. The improved type 2 slow-release long-acting superhydrophobic anti-pollution flashover coating has the advantages that the mechanical property is strong, the service life is long and can reach 15 years, the flame-retardant property is good and can reach FV-0 class, the salt mist aging-resistant property is good, the anti-pollution property is excellent, the validity is still realized in the haze pollution weather, the expected anti-pollution flashover effect is realized, and the pollution flashover accident is avoided.

The invention discloses a slow-release type long-acting super-hydrophobic pollution flashover prevention coating. The coating is prepared from the following raw materials in parts by weight: 35-45 parts of terminal hydroxypropyl fluorine-containing polysiloxane, 20-30 parts of terminal hydrogen polysiloxane, 55-65 parts of 107 silicon rubber, 20-30 parts of hydrophobic fumed silica, 3-5 parts of nano zinc oxide, 2-4 parts of oil amino oleate, 4-6 parts of mica powder, 1-3 parts of ketoxime type crosslinking agents, 5-10 parts of dimethyl aminopropyl amine, 1-2 parts of silane coupling agents, 3-6 parts of aluminum hydroxide and 165-175 parts of organic solvents. The slow-release type long-acting super-hydrophobic pollution flashover prevention coating is high in mechanical performance, long in service life which can reach 15 years, high in flame retardancy which can reach FV-0 grade, high in salt fog resistance, high in aging resistance and excellent in stain resistance, and still can exert the effectiveness in weather with haze pollution; the expectant pollution flashover prevention effect can be achieved; the occurrence of pollution flashover accidents is avoided.

The invention discloses a system for controlling a transformer substation live washing robot and a method. The system includes a remote module, an on-board monitoring module and a platform information collection module; wireless equipment is adopted between the remote module and the on-board monitoring module and also between the on-board monitoring module and the platform information collection module in constituting a WIFI network to realize data interaction among the three modules. The system and the method can effectively reduce tedious physical labor of workmen in cleaning, guarantee safety of the workmen, and at the same time prevent pollution flashover incidents to equipment and guarantee safe running of the grid through cleaning the pollution of the equipment.

The invention discloses an insulation protection system for a charging water washing robot in a transformer substation and an insulation protection method thereof. The system includes a driving control system, a safety control system and an insulation mechanism, wherein the safety control system is used for controlling the distance between the robot and an insulator string in the safety distance and for in real time detecting water pressure and conductivity in a rinsing process on the base of factors which affect insulation safety; an ultrasound sensor and a magnetic field distance measuring sensor are installed on four surfaces of the tail end of a mechanical arm and used for detecting the distance between the tail end of the mechanical arm and charging equipment, a laser distance measuring instrument and a hydraulic giant are in parallel arranged and used for in real time detecting the length of a water column in the rinsing process; the insulation mechanism comprises an insulation support, an insulation bracket and an insulation forming shell. According to the system and the method, water resistance ratio, water pressure, water column length can be online monitored in real time, and thus insulating properties of the robot body and the charging equipment in the transformer substation can be ensured in the rinsing process, and safety of the rinsing operation can be effectively improved.

The invention relates to a composite insulator suspension angle optimization method based on insulator pollution accumulation characteristics, and the method is characterized in that the method comprises the following steps: 1) carrying out the stress analysis of pollutant particles around an insulator; 2) determining the wind speed of the air flow field, the pollutant particle concentration and the change range of the particle size; 3) establishing insulator simulation calculation models under different suspension angles; 4) calculating air flow field distribution around the insulator at different suspension angles; 5) analyzing the change rule of the collision rate of the pollutant particles and the insulators at different suspension angles; and 6) determining the optimal suspension angle of the double-string insulator according to the simulation calculation result in the step 5). According to the method, based on the pollution accumulation characteristics of the insulator, the optimal suspension angle is determined through the pollution accumulation characteristics of the insulators at different suspension angles, and pollution flashover accidents of the insulators are preventedfrom happening in a suspension mode.

The invention discloses a control system and method of an auxiliary washing robot for live washing of a transformer substation. The system comprises a master control system and a safety protection control system. The master control system comprises a remote control module, a vehicle-mounted controller and an information acquisition module. Wireless devices are arranged between the remote control module and the vehicle-mounted controller and between the vehicle-mounted controller and the information acquisition module to establish a WIFI network, and therefore data interaction among the three modules is achieved. An ultrasonic sensor, a magnetic field distance measuring sensor, a water resistance sensor and a water pressure sensor which are installed on a cradle head are used in the safety protection control system, so that the operation process of the robot is monitored in real time. By the adoption of the system and method, the heavy physical labor of manual washing work can be effectively reduced, the personal safety of operators is guaranteed, and meanwhile due to the fact that dirt of the devices is washed away, dirt lightning accidents of the devices are prevented, and the safe operation of a power grid is guaranteed.

The invention discloses a device for detecting a surface dirt morphology of an insulating material in a haze environment. The device comprises a high-speed airflow simulation generation device used for simulating the haze environment under a high-speed airflow, an alternating-current and direct-current pressurization and flashover experiment device used for applying a voltage to an insulation sample, an electric field intensity detection device used for detecting electric field distribution on a surface of the insulating sample in a voltage applying process, and a microscopic amplification device used for observing a microstructure of dirty particles on the surface of the insulating sample. The high-speed airflow simulation generation device is provided with an observation window, and a discharge observation device used for observing a flashover path after the surface of the insulation sample is polluted is arranged outside the observation window. The invention further discloses a method for detecting the surface dirt morphology of the insulating material in the haze environment. The device for detecting the surface dirt morphology of the insulating material in the haze environmentstudies the microstructure of the surface dirt of the insulating material in the high-speed airflow haze environment and surface flashover phenomenon development, and is of great significance to prevention of insulator pollution flashover accidents.

A measuring method and device for insulator surface equivalent salt deposit density. The measuring method comprises the following steps: S1, focusing a pulsed laser light source on a contaminated surface of an insulator to be detected, using the laser source to emit laser with a pulse width smaller than or equal to 20 ns to induce contamination substances on the surface of the insulator to form plasma, and acquiring spectral information emitted by the plasma in an expansion cooling process; S2, establishing a relation model between the density of ions in common soluble salts in contamination substances on the surface of the insulator and spectral features after the plasma is generated by means of excitation of the laser; S3, inputting the spectral information acquired in S1 into the relation model in S2, and performing analysis to obtain the ion composition of the contamination substances on the surface of the insulator to be detected and ion density of the ions; and S4, calculating the equivalent salt deposit density of the contamination substances according to the ion density of the ions. Without the need of sampling while power outage, the measuring method and device can implement online measurement of contamination components and the equivalent salt deposit density.

The invention discloses a remote control system for a transformer station water washing robot for aiming at a low-altitude insulator. The remote control system comprises a walking control system and a safety control system. The walking control system comprises a wireless receiving module, a remote control, an on-vehicle controller and an information acquisition module. Wireless equipment is used between the wireless receiving module and the on-vehicle controller, and wireless equipment is used between the on-vehicle controller and the information acquisition module, thereby forming a WIFI network and realizing data interaction among the three modules. The safety control system utilizes real-time control for the operation process of the robot by means of an ultrasonic sensor, a magnetic field ranging sensor, a water resistance ratio sensor and a water pressure sensor which are mounted on a pan / tilt. The remote control system realizes real-time online monitoring for the water resistance, the water pressure and the water column length, thereby ensuring high insulating property of a robot body and live equipment of the transformer station in the water washing process, and effectively improving safety in the water washing process.

The invention discloses a transformer station live-line water washing robot capable of doing accurate washing; the transformer station live-line water washing robot comprises a vehicle body mobile mechanism, a lifting mechanism, an electric control system and a water gun washing mechanism; the vehicle body mobile mechanism is provided with a first damper, and connected with a rotary platform of the lifting mechanism through a rotary support; the rotary platform of the lifting mechanism is also provided with a robot arm having a second damper; the robot arm is connected with a work table of the water gun washing mechanism; the electric control system comprises a vehicle subsystem and a remote control subsystem; the vehicle subsystem and a remote control subsystem cooperate to control the vehicle body mobile mechanism, the lifting mechanism and the water gun washing mechanism of the robot in a wireless mode; the washing robot can replace labors so as to complete washing work of transformer station insulators, so the operation people can be in a safe zone, thus ensuring operation people safety, reducing labor intensity, improving washing efficiency, and improving automation level.

The invention discloses a rod-shaped suspension type composite insulator for railway. The rod-shaped suspension type composite insulator comprises a ceramic rod insulator body, fitting accessories and an external insulation umbrella skin sheath, wherein the fitting accessories are arranged at the two ends of the insulator body by adhesives, the external insulation umbrella skin sheath sleeves the ceramic rod insulator body and is overlapped with the fitting accessories, and the external insulation umbrella skin sheath comprises large umbrellas and small umbrellas and is formed according to a sequence that the large umbrella is arranged and then the small umbrella is arranged from top to bottom. The rod-shaped suspension type composite insulator has the advantages that the creep distance and the dry arcing distance are increased, the creep distance is increased by around 50%, the dry arcing distance is increased, the pollution flashover frequency is reduced, and the probability of a flashover accident occurring in the railway is reduced; an integral injection molding production process is used for production, an umbrella sleeve is attractive in appearance and is few in interface, a core rod and the sheath are bonded firmly without a gap, the rod-shaped suspension type composite insulator is high in internal insulation performance, and a phenomenon of interface breakdown is prevented.

The invention discloses an improved Type-1 slow-release long-acting superhydrophobic anti-pollution-flashover paint which is composed of the following raw materials in parts by weight: 35-45 parts of hydroxypropyl-terminated fluorine-containing polysiloxane, 20-30 parts of hydrogen-terminated polysiloxane, 55-65 parts of 107 silicone rubber, 20-30 parts of hydrophobic fumed silica, 3-5 parts of nano zinc oxide, 2-4 parts of amino oleate, 4-6 parts of nano calcium carbonate, 1-3 parts of ketoxime crosslinking agent, 5-10 parts of talcum powder, 1-2 parts of silane coupling agent, 1-2 parts of decabromodiphenyl oxide and 165-175 parts of organic solvent. The improved Type-1 slow-release long-acting superhydrophobic anti-pollution-flashover paint has the advantages of high mechanical properties, long service life (up to 15 years), favorable flame retardancy (Grade FV-0), favorable salt fog aging resistance and excellent pollution resistance, can still be effective in the smog pollution days, achieves the expected anti-pollution-flashover effect, and avoids the pollution flashover accident.

A 10kV power distribution circuit insulation tower head is disclosed, which is characterized by adopting hydrophobic high-strength insulation bar to be assembled with needle-typed insulator by a gold tool and form an insulation tower head integer, or adopting hydrophobic high-strength insulation bar to be assembled with gold tool directly and form an insulation tower head. By using the invention,the insulation level of the power distribution circuit can be greatly improved, the thunder discharge air gap can be obviously enlarged, the lightning stroke and line break accidents can be effectively prevented and the climbing distance can be expanded, further, the structure type is easy in improving self-cleaning ability and the occurrence of pollution flashover can be basically and completelyprecluded, which is beneficial in charged operation, simple in an operation process and improves the operation security.