CN115833013A - System for automatically controlling icing thickness of power transmission line - Google Patents
System for automatically controlling icing thickness of power transmission line Download PDFInfo
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- CN115833013A CN115833013A CN202211341865.5A CN202211341865A CN115833013A CN 115833013 A CN115833013 A CN 115833013A CN 202211341865 A CN202211341865 A CN 202211341865A CN 115833013 A CN115833013 A CN 115833013A
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Abstract
The invention provides a system for automatically controlling the thickness of ice coating on a power transmission line, which comprises: the power supply system provides energy required by operation for all parts of the whole set of device, the monitoring system comprises an infrared video camera and an environment monitoring device, the video camera at the red position is used for monitoring the thickness of covered ice, the environment monitoring device is used for monitoring meteorological conditions generated by the covered ice, the control system is used for connecting remote communication and calculating and controlling the action of the whole set of device, the impact generator receives a control signal, the energy provided by the power supply system is used for providing impact force with short-term high outbreak, the impact force is transmitted to a transmission line through a transmission insulator, and the covered ice on the transmission line is shaken and removed. The beneficial effects are that: the invention is used for controlling the ice thickness on the ground wire to be within a safe range under the ice coating condition of the power transmission line, thereby ensuring the uninterrupted operation of the line and reducing various line accidents caused by the ice coating.
Description
Technical Field
The invention relates to the field of ice damage prevention of a power transmission line, in particular to a system for automatically controlling the thickness of ice coating of the power transmission line.
Background
At present, the research on the anti-icing technology of the power transmission line at home and abroad mainly takes the anti-icing of a wire and the deicing after icing as main points:
anti-icing wire: the wire is made of special materials, so that the aim of preventing icing is achieved, but the wire cannot be popularized due to too high price, and cannot be accepted by the market with higher replacement cost of the built line.
Anti-icing coating: the material cost is high, the construction is difficult, the effective period is short, about 200 yuan per meter of wire is sprayed averagely, the effective period is only one to two years, and the market utilization rate is extremely low.
An alternating current ice melting method: and after the line is stopped, performing phase-isolated short-circuit operation. High energy consumption, low speed, high safety risk and the like, and low utilization rate.
A direct-current ice melting method: after the line is shut down, the short-circuit operation is carried out at the other end of the line, so that the efficiency is greatly improved compared with the alternating-current ice melting, but the minimum time is more than 40 minutes, the market price of the current one-base equipment is 3000-5000 ten thousand, and the investment is huge.
And (3) mechanical deicing method: after the line is shut down, the personnel carry the equipment to the scene to deice, and the efficiency is low, and the personal safety risk is big.
Other deicing methods are as follows: ice melting can be carried out for 24 minutes by laser, and ice of one meter can be melted; robot de-icing requires personnel to bring the robot on-line, which is difficult to implement because the line is already frozen.
In summary of the prior art, the existing anti-icing technology has many defects, and the cost of deicing after power failure is high, even late, especially, the area where ice damage occurs is mostly in the area with severe environment, and the permanent damage of the line is caused, so that the ice coating of the transmission line becomes a threat to the line with the greatest damage.
Disclosure of Invention
The invention provides a system for automatically controlling the thickness of the ice coating on the power transmission line based on at least one of the technical problems.
A system for automatically controlling the thickness of ice coating on a power transmission line comprises: a power supply system, a monitoring system, a control system and an ice-shedding device, wherein,
the power supply system comprises a power generation device, energy storage equipment and a charge and discharge control module, and provides energy required by operation for each component of the whole set of device;
the monitoring system comprises an infrared video camera and an environment monitoring device, wherein the red video camera is used for monitoring the thickness of the ice coating, and the environment monitoring device is used for monitoring the meteorological conditions generated by the ice coating;
the control system comprises a remote control system, a wireless communication device, a central processing unit, a memory, a mainboard and an output controller, and is used for connecting remote communication, calculation and controlling the action of the whole set of device;
the deicing device is an impact generator, the impact generator receives a control signal of the output controller, provides short-time high-explosive impact force by utilizing energy provided by the power supply system, transmits the impact force to the transmission line through the transmission insulator, and shakes and deices coated on the transmission line.
Further, in the power supply system, the power generation device adopts wind power, light power generation or sensing power, the energy storage device adopts a battery or a capacitor bank, and the charge and discharge control module is used for controlling the voltage of the energy storage device.
Further, relevant weather and icing data monitored by the environment monitoring device are sent to the remote control system through the wireless communication device and stored in the storage device, the remote monitoring system collects information into the central processing unit, the central processing unit generates an action instruction to the output controller through the wireless communication device, and the output controller controls the deicing device to output short-time high-explosion impact force to the transmission insulator.
Further, the transmission insulator is an insulator on the power transmission line.
Further, the impact generator comprises a mainframe box, a motor, a speed reducer and an impact shaft lever, wherein the motor is installed on the upper side of the mainframe box, the motor is connected with the speed reducer, an output shaft of the speed reducer is connected with a power gear in the mainframe box, the power gear is meshed with the linkage gear, the linkage gear is installed on a linkage shaft, the linkage shaft is installed in the mainframe box through two end bearings, and a semicircular gear is further arranged in the middle of the linkage shaft; the lower side of the semicircular gear is provided with a toothed plate, the toothed plate is meshed with teeth of the semicircular gear, the front end of the toothed plate is provided with the impact shaft lever, the rear end of the toothed plate is provided with a pressing plate, the rear side of the pressing plate is connected with two springs, the springs are sleeved on spring fixing shafts, the other ends of the springs are fixed on the inner wall of the rear portion of the mainframe box, a through hole is formed in the center of the front portion of the mainframe box, a through hole flange is installed at the through hole, and the impact shaft lever penetrates through the through hole flange.
Furthermore, the two spring fixing shafts are transversely installed in the mainframe box and penetrate through the pressing plate, and the pressing plate can slide on the spring fixing shafts.
Further, an output shaft of the speed reducer penetrates through the bearing installed in the main case and then is connected with the power gear.
Furthermore, the semicircular surface of the semicircular gear is provided with teeth.
Has the advantages that: according to the invention, by utilizing the existing mature knock-out type deicing principle and an automatic device, when the boundary conditions (air temperature, humidity, wind speed, ice thickness, energy, time and the like) monitored by a monitoring system reach a threshold value, and at the moment, the ice coating thickness is within a circuit-set allowable range, the system timely controls the ice coating development, timely removes the formed ice coating by an impact method, prevents the ice coating from continuously growing and enlarging, controls the ice coating thickness within a device-designed bearing range, and achieves the effects of no power failure, no damage, no manual participation and automatic ice control of the circuit;
the invention can automatically run in the state that the line is not powered off, and achieves the effect that the ice coating amount of the line is lower than the safety value, thereby reducing the power failure caused by ice coating, reducing the internal damage caused by the ice coating thickness exceeding the bearing value of equipment, and reducing the input of manpower and material resources caused by the disposal work of the ice coated line.
Drawings
FIG. 1 is a block diagram showing a schematic structure of a system for automatically controlling the thickness of ice coated on a power transmission line according to the present invention;
FIG. 2 is a flow chart illustrating the operation of the system for automatically controlling the thickness of ice coating on a power transmission line according to the present invention;
fig. 3 shows a schematic view of the structure of the impulse generator of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The system for automatically controlling the thickness of the ice coating on the power transmission line as shown in fig. 1 to 3 comprises: a power supply system 102, a monitoring system 103, a control system 101, and an ice shedding apparatus 104, wherein,
the power supply system 102 comprises a power generation device, energy storage equipment and a charge and discharge control module, the power supply system 102 provides energy required by operation for all parts of the whole set of device, the power generation device adopts wind power, light power generation or sensing electricity, the energy storage equipment adopts a battery or a capacitor bank, and the charge and discharge control module is used for controlling the voltage of the energy storage equipment and protecting the service life of the battery bank; the power system 102 provides energy required by the operation of all parts of the whole set of device, can be integrally manufactured or realized in a split mode, and does not influence the combination of the whole set of device and the system.
The monitoring system 103 comprises an infrared video camera and an environment monitoring device, the video camera at the red position is used for monitoring the thickness of the ice coating on the power transmission line, the video camera at the red position adopts a type which can observe the ice coating under the conditions of day or night, and the thickness of the ice coating is measured through an external measurement program; the environment monitoring device is used for monitoring on-site meteorological conditions when the icing is generated, wherein the meteorological conditions comprise air temperature, humidity, air speed, ice thickness, energy, time and the like, and early warning of the icing degree is made in advance for the system.
The control system 101 comprises a remote control system 101, a wireless communication device, a central processing unit, a storage, a mainboard and an output controller, the control system 101 is used for connecting remote communication, calculating and controlling the action of the whole set of device, relevant weather and ice coating data monitored by the environment monitoring device 103 are sent to the remote control system 101 through the wireless communication device and stored in the storage, the remote monitoring system collects information into the central processing unit, the central processing unit generates action instructions to the output controller through the wireless communication device, the wireless communication device is mobile, satellite, microwave, optical fiber and other communication equipment, and the output controller controls the deicing device 104 to output short-time high-explosion impact force to the transmission insulator 5.
In the control system 101, a remote instruction can be received, and all received information and data can be automatically processed according to the field situation to execute a preset action scheme, so that the control system 101 can operate in a networking state and an off-line state.
The deicing device 104 is an impact generator which receives a control signal of the output controller, provides a short-time high-explosive impact force by using energy provided by the power supply system 102, and transmits the impact force to the transmission line conductor through the transmission insulator 5 to shake and deice the ice coated on the conductor.
The impact generator comprises a mainframe box 1, a motor 4, a speed reducer 5 and an impact shaft lever 6, wherein the motor 4 is arranged on the upper side of the mainframe box 1, the motor 4 is connected with the speed reducer 5, an output shaft of the speed reducer 5 passes through a bearing 2 arranged in the mainframe box 1 and then is connected with a power gear 9, the power gear 9 is meshed with a linkage gear 10, the linkage gear 10 is arranged on a linkage shaft 11, the linkage shaft 11 is arranged in the mainframe box 1 through the bearings 2 at two end parts, and a semicircular gear 12 is further arranged in the middle of the linkage shaft 11; the below of semicircular gear 12 is equipped with pinion rack 7, pinion rack 7 and the tooth meshing of semicircular gear 12, the semicircle face of semicircular gear 12 has the tooth, the front end of pinion rack 7 is impact axostylus axostyle 6, the rear end of pinion rack 7 is clamp plate 8, clamp plate 8 rear side is connected with two springs 14, spring 14 cover is on spring fixed axle 13, two spring fixed axles 13 are transversely installed in mainframe box 1, spring fixed axle 13 passes clamp plate 8, clamp plate 8 can slide on spring fixed axle 13, the other end of spring 14 is fixed on the inner wall at mainframe box 1 rear portion, be equipped with the perforation at the anterior center of mainframe box 1, install perforation flange 3 in the perforation department, impact axostylus axostyle 6 passes in following perforation flange 3.
The working process of the impact generator is as follows:
1. the motor 4 is connected with working voltage, starts to work and transmits power to the speed reducer 5;
2. the speed reducer 5 outputs low-speed large-pumping-distance power after reducing speed, and the power passes through the bearing 2 through an output shaft of the speed reducer 5 and is connected to a power gear 9 in the mainframe box 1;
3. the power gear 9 drives the linkage gear 10 to rotate, and the linkage gear 10, the linkage shaft 11 and the semicircular gear 12 are integrally processed and driven to rotate together;
4. the impact shaft lever 6, the toothed plate 7 and the pressing plate 8 are integrated, the semicircular gear 12 and the toothed plate 7 are in meshing transmission through teeth, the semicircular gear 12 drives the toothed plate to move towards the spring 14, and the spring 14 is extruded to store energy;
5. along with the rotation of the semi-circular gear 12, when the semi-circular gear 12 rotates between the toothed plates 7 to a state to be tripped, the spring 14 reaches the maximum energy storage;
6. with the continuous rotation of the semi-circular gear 12, the semi-circular gear 12 and the toothed plate 7 are disengaged, the energy of the spring 14 is released, the pressing plate 8, the toothed plate 7 and the impact shaft lever 6 are pushed to move towards the shaft head direction of the impact shaft lever 6, and the shaft head releases a primary impact force;
7. after the semi-circular gear 12 continues to rotate for a half cycle, the tooth plate 7 is buckled again, and the next energy storage link is started;
8. the energy storage and discharge process is continuously circulated until the motor 4 stops working.
The transmission insulator 5 can be selected from insulators on a power transmission line, and the transmission insulator 5 can be independently installed at home to serve as a transmission device for transmitting impact force.
The working principle of the system is as follows: the impact generator is installed on: the conductor on the transmission line is arranged between the pole tower or between the two-phase conductors or between the in-phase multi-split conductors.
When the monitoring system 103 comprises an infrared video monitoring device or a meteorological monitoring device and a line state monitoring device except the device monitors that the line icing reaches a control threshold, the control system 101 can preferentially request the terminal of the remote control system 101 for action, when the remote control system 101 returns an action instruction or the remote control system 101 does not return an action instruction and input data exceeds a set automatic execution threshold, the control system 101 sends an action instruction to the impact generator, the impact generator executes a release action, the transmission insulator 5 drives the lead to vibrate for one time to shake and fall the existing icing on the lead, and the next monitoring working period is entered, so that the purpose of controlling the icing thickness by the line is achieved by repeated circulation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a system for automatic accuse icing thickness of transmission line which characterized in that includes: a power supply system, a monitoring system, a control system and an ice-shedding device, wherein,
the power supply system comprises a power generation device, energy storage equipment and a charge and discharge control module, and provides energy required by operation for each component of the whole set of device;
the monitoring system comprises an infrared video camera and an environment monitoring device, wherein the red video camera is used for monitoring the thickness of the ice coating, and the environment monitoring device is used for monitoring the meteorological conditions generated by the ice coating;
the control system comprises a remote control system, a wireless communication device, a central processing unit, a memory, a mainboard and an output controller, and is used for connecting remote communication, calculation and controlling the action of the whole set of device;
the deicing device is an impact generator, the impact generator receives a control signal of the output controller, provides short-time high-explosive impact force by utilizing energy provided by the power supply system, transmits the impact force to the transmission line through the transmission insulator, and shakes and deices coated on the transmission line.
2. The system for automatically controlling the thickness of the ice coating on the power transmission line according to claim 1, wherein in the power supply system, the power generation device adopts wind power, light power generation or sensing power, the energy storage device adopts a battery or a capacitor bank, and the charging and discharging control module is used for controlling the voltage of the energy storage device.
3. The system for automatically controlling the thickness of the coated ice on the power transmission line according to claim 1, wherein relevant meteorological and icing data monitored by the environmental monitoring device are sent to the remote control system through the wireless communication device and stored in the memory, the remote monitoring system collects information into the central processing unit, the central processing unit generates action instructions to the output controller through the wireless communication device, and the output controller controls the deicing device to output short-time high-explosive impact force to the transmission insulator.
4. The system for automatically controlling the thickness of the coated ice on the power transmission line according to claim 1, wherein the transmission insulator is an insulator on the power transmission line.
5. The system for automatically controlling the ice coating thickness of the power transmission line according to claim 1, wherein the impact generator comprises a mainframe box, a motor, a speed reducer and an impact shaft rod, the motor is installed on the upper side of the mainframe box, the motor is connected with the speed reducer, an output shaft of the speed reducer is connected with a power gear in the mainframe box, the power gear is meshed with the linkage gear, the linkage gear is installed on a linkage shaft, the linkage shaft is installed in the mainframe box through two end bearings, and a semicircular gear is further arranged in the middle of the linkage shaft; the lower side of the semicircular gear is provided with a toothed plate, the toothed plate is meshed with teeth of the semicircular gear, the front end of the toothed plate is provided with the impact shaft lever, the rear end of the toothed plate is provided with a pressing plate, the rear side of the pressing plate is connected with two springs, the springs are sleeved on spring fixing shafts, the other ends of the springs are fixed on the inner wall of the rear portion of the mainframe box, a through hole is formed in the center of the front portion of the mainframe box, a through hole flange is installed at the through hole, and the impact shaft lever penetrates through the through hole flange.
6. The system for automatically controlling the thickness of ice coating on a power transmission line according to claim 1, wherein two spring fixing shafts are transversely installed in the main case, the spring fixing shafts penetrate through the pressing plate, and the pressing plate can slide on the spring fixing shafts.
7. The system for automatically controlling the thickness of the coated ice on the power transmission line according to claim 1, wherein an output shaft of the speed reducer passes through the bearing installed in the main case and then is connected with the power gear.
8. The system for automatically controlling the thickness of the coated ice on the power transmission line according to claim 1, wherein the semicircular surface of the semicircular gear is provided with teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211341865.5A CN115833013A (en) | 2022-10-31 | 2022-10-31 | System for automatically controlling icing thickness of power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211341865.5A CN115833013A (en) | 2022-10-31 | 2022-10-31 | System for automatically controlling icing thickness of power transmission line |
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| CN115833013A true CN115833013A (en) | 2023-03-21 |
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| CN202211341865.5A Pending CN115833013A (en) | 2022-10-31 | 2022-10-31 | System for automatically controlling icing thickness of power transmission line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116388096A (en) * | 2023-03-27 | 2023-07-04 | 武汉伊莱维特电力科技有限公司 | Installation mechanism of icing monitoring equipment for power transmission wire |
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- 2022-10-31 CN CN202211341865.5A patent/CN115833013A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116388096A (en) * | 2023-03-27 | 2023-07-04 | 武汉伊莱维特电力科技有限公司 | Installation mechanism of icing monitoring equipment for power transmission wire |
| CN116388096B (en) * | 2023-03-27 | 2023-08-18 | 武汉伊莱维特电力科技有限公司 | Installation mechanism of icing monitoring equipment for power transmission wire |
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