Power grid construction safety progress management and control decision-making auxiliary system

By designing cleaning mechanisms and dust-proof and cooling mechanisms in the safety progress control equipment for power grid construction, the problem of unclear camera functions caused by dust pollution in outdoor environments is solved, and higher equipment reliability and use effect are achieved.

CN119402734AInactive Publication Date: 2025-02-07DONGYING POWER SUPPLY COMPANY STATE GRID SHANDONG ELECTRIC POWER
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Patent Information

Application Number
CN202411547102.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-02-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing power grid construction safety progress control equipment is susceptible to dust pollution in outdoor environments, resulting in unclear camera functions and affecting the use effect.

Method used

A decision-making auxiliary system for the safety progress control of power grid construction is designed, including cleaning mechanisms and dust-proof and cooling mechanisms. The cleaning mechanism effectively cleanses the lens through the spray head and the cleaning brush, and the dust-proof and cooling mechanism improves ventilation and heat dissipation through the fan hood and filter.

Benefits of technology

Effectively prevent dust pollution, ensure the clarity and stability of the camera function, and improve the effectiveness and reliability of the equipment.

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Abstract

The invention discloses a power grid construction safety progress management and control decision auxiliary system, and relates to the technical field of power grid construction, and the system comprises a safety management and control mechanism, the top of the safety management and control mechanism is provided with a cleaning mechanism, the side surface of the safety management and control mechanism is provided with a dustproof cooling mechanism, and the safety management and control mechanism comprises an outer shell. A rotating motor is arranged at the top of the outer shell, a U-shaped frame is arranged at the top of the rotating motor, and a monitoring probe is arranged on the inner side of the U-shaped frame. Cleaning liquid is stored in the water tank and connected into the water tank through the conveying pump, so that it is guaranteed that the cleaning liquid is pumped out and then conveyed to the spraying box through the connecting pipe, the cleaning liquid is evenly sprayed out through the spraying heads distributed on the two sides of the spraying box, and the position of the lens is flushed; and the cleaning brushes are distributed at the position of the connecting plate, so that the cleaning effect on the lens is facilitated, effective cleaning treatment is provided, and the cleaning effect is ensured.
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Description

Technical Field

[0001] The present invention relates to the technical field of power grid construction, and in particular to a power grid construction safety progress control decision-making auxiliary system. Background Art

[0002] With the rapid development of the economy, the demand for electricity is increasing, and the scale of power grid construction is also expanding. In the process of power grid construction, safety and progress are two crucial aspects. Power grid detection safety progress control equipment uses real-time video monitoring to quickly view the progress of construction.

[0003] In the prior art, for example, the patent application number: CN201920351445.2, “A Power Grid Planning Decision Support System”, includes a data storage layer, the data storage layer includes a cabinet, a multi-layer support plate is provided inside the cabinet, a plurality of mounting holes are provided on the support plate, a layer of rubber pad is laid inside the mounting hole, a cable tie and a cable tie buckle are provided at the opening of the mounting hole, one end of the cable tie is fixed to one side of the mounting hole, the cable tie buckle is fixed to the other side of the mounting hole, and the other end of the cable tie is fixed through the cable tie buckle. The utility model increases the stability of the data storage device and reduces the vibration of the device by providing a rubber pad in the mounting hole, and adds a cable tie outside the mounting hole so that the device can be more stably installed in the mounting hole, thereby increasing the stability and safety of the device.

[0004] The existing equipment for safety progress control of power grid construction is basically operated outdoors in a relatively complex environment. In this environment, there is a lot of dust, which can easily cause pollution to the camera lens of the control equipment, resulting in the inability to provide clear camera functions, resulting in a decrease in the use effect. To solve the above problems, a decision-making auxiliary system for safety progress control of power grid construction is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a power grid construction safety progress control decision-making assistance system to solve the problem that the existing technology proposed in the above background technology is basically operated outdoors in a relatively complex environment. The environment is dusty and easily causes pollution to the camera lens of the control equipment, which in turn makes it impossible to provide a clear camera function, resulting in a decrease in the use effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a power grid construction safety progress control decision-making auxiliary system, comprising a safety control mechanism, a cleaning mechanism is arranged on the top of the safety control mechanism, a dustproof and cooling mechanism is arranged on the side of the safety control mechanism, the safety control mechanism comprises an outer shell, a rotating motor is arranged on the top of the outer shell, a U-shaped frame is arranged on the top of the rotating motor, a monitoring probe is arranged on the inner side of the U-shaped frame, a lens is arranged at one end of the monitoring probe, the outer shell facilitates the installation of processing and storage equipment, and at the same time facilitates the installation position of the rotating motor, and drives the U-shaped frame to rotate by the rotating motor, thereby driving the monitoring probe to realize the synchronous rotation function, and facilitates the real-time video monitoring of the surrounding situation through the lens; The cleaning mechanism includes a water tank, a delivery pump is provided at one end of the water tank, a connecting pipe is fixedly connected to the side of the delivery pump, a spray box is fixedly connected to one end of the connecting pipe, a plurality of spray heads are evenly distributed on both sides of the spray box, an adjusting motor is provided on the top of the monitoring probe, a connecting plate is provided at the output end of the adjusting motor, a plurality of cleaning brushes are evenly distributed on one side of the connecting plate, and the spray box is provided on the other side of the connecting plate, and the cleaning liquid is stored in the water tank and connected to the inside of the water tank through the delivery pump, so as to ensure that the cleaning liquid is extracted and then transported to the spray box through the connecting pipe, and the spray heads distributed on both sides of the spray box are evenly sprayed to rinse the position of the lens, and the connecting plate is driven to rotate by the adjusting motor, and the cleaning brushes are distributed at the position of the connecting plate, so as to facilitate the cleaning effect of the lens, thereby facilitating effective cleaning treatment, ensuring the cleaning effect, and thus helping to improve the effect of monitoring camera.

[0007] Preferably, the dust-proof and cooling mechanism includes a fan cover, an electric motor is arranged inside the fan cover, a fan blade is movably installed on one side of the motor, a filter is arranged on the inner side of the fan cover, and the filter is arranged on the side of the fan blade. The motor is installed on the inner side of the fan cover, and the fan blade is driven to rotate by the motor, which is beneficial to blowing air to the interior of the outer shell for heat dissipation. The filter is used to facilitate the filtering function, which is beneficial to improving the ventilation and heat dissipation effect and ensuring the heat dissipation performance.

[0008] Preferably, a limiting frame is provided on the outer side of the fan cover, and a sliding frame is fixedly installed on one end of the outer shell. The limiting frame is movably connected to the inner side of the sliding frame, and is slidably connected to the inner side of the sliding frame through the limiting frame, so that the fan cover can be conveniently and quickly installed on the side of the outer shell, which is conducive to providing convenient installation and disassembly effects, facilitating cleaning of the interior, and facilitating replacement of the interior.

[0009] Preferably, fill light spotlights are symmetrically fixedly installed on both sides of the monitoring probe, and a flip motor is arranged on the outer side of the U-shaped frame. The output end of the flip motor is connected to one side of the monitoring probe. The fill light spotlight can provide fill light operation for the camera range of the lens, which is beneficial to provide fill light effect in dim light conditions and ensures the purpose of use.

[0010] Preferably, a plurality of ventilation grilles are evenly provided on both sides of the outer shell, and a door panel is provided at one end of the outer shell. The ventilation grilles facilitate the heat dissipation function on both sides of the outer shell, thereby ensuring stable operation. The door panel facilitates the opening of the interior of the outer shell, which is beneficial to provide internal installation and disassembly functions and improves the convenience of operation.

[0011] Preferably, a processor is provided at the inner top of the outer shell, a wireless communicator is provided at one end of the processor, and a locator is provided at the bottom of the processor. The captured data can be photographed and recorded through the processor, and the wireless communicator facilitates the transmission of the detected data, which is convenient for remote terminal equipment to view.

[0012] Preferably, a plurality of side support frames are evenly distributed on the inner wall of the outer shell, a pallet is arranged on the top of the side support frame, and a storage server is arranged on the top of the pallet. The side support frames facilitate the installation of the pallet, thereby facilitating the provision of placement space for the storage server, thereby effectively improving the convenience of operation.

[0013] Preferably, a bottom support frame is provided at the bottom of the outer shell, a driving motor is provided at the four bottom corners of the bottom support frame, and a moving wheel is provided on the side of the driving motor. The bottom support frame provides an installation support, and the moving wheel is driven to rotate by the driving motor, thereby driving the device to provide a convenient moving function.

[0014] Preferably, an injection port is provided on the top of the water tank, and the regulating motor is arranged on the side of the water tank, so that the detergent can be conveniently injected into the interior of the water tank through the injection port.

[0015] Preferably, a plurality of ventilation slots are evenly penetrated on one side of the fan cover, and connecting rods are fixedly connected to both sides of the motor, one end of the connecting rods is fixedly connected to the inner wall of the fan cover, the ventilation slots can provide ventilation and heat dissipation, and the connecting rods facilitate the installation support of the motor.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the cleaning liquid is stored in the water tank, which is connected to the inside of the water tank through a delivery pump to ensure that the cleaning liquid is extracted, and then delivered to the spray box through a connecting pipe. The spray heads distributed on both sides of the spray box are used to spray evenly to flush the lens. The connecting plate is driven to rotate by an adjusting motor, and the cleaning brushes are distributed at the position of the connecting plate, thereby facilitating the cleaning of the lens, thereby facilitating effective cleaning, ensuring the cleaning effect, and thereby improving the monitoring camera effect.

[0017] 2. In the present invention, an electric motor is installed on the inner side of the fan cover, and the fan blades are driven to rotate by the motor, which is beneficial to blowing air to the inside of the outer shell for heat dissipation. The filter net facilitates the filtering function, which is beneficial to improving the ventilation and heat dissipation effect and ensuring the heat dissipation performance. The limit frame is slidably connected to the inner side of the sliding frame, so that the fan cover can be quickly and conveniently installed on the side of the outer shell, which is beneficial to providing convenient installation and disassembly effects, facilitating cleaning of the interior, and facilitating replacement of the interior. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a power grid construction safety progress control decision-making auxiliary system according to the present invention; Figure 2 This is a schematic structural diagram from another angle of a power grid construction safety progress control decision-making auxiliary system of the present invention; Figure 3 This is a schematic diagram of the internal cross-sectional structure of a power grid construction safety progress control decision-making auxiliary system of the present invention; Figure 4 This is a partial structural diagram of a power grid construction safety progress control decision-making auxiliary system of the present invention; Figure 5 For the present invention Figure 4 A is an enlarged structural diagram; Figure 6 This is a schematic structural diagram of the internal section from another angle of a power grid construction safety progress control decision support system of the present invention.

[0019] In the figure: 1. Security control mechanism; 101. Outer shell; 102. Rotating motor; 103. U-shaped frame; 104. Monitoring probe; 105. Lens; 106. Fill-in light; 107. Flip motor; 108. Ventilation grille; 109. Door panel; 110. Processor; 111. Wireless communication device; 112. Positioner; 113. Side support frame; 114. Pallet; 115. Storage server; 116. Bottom support frame; 117. Drive motor; 118 , moving wheel; 2, cleaning mechanism; 201, water tank; 202, injection port; 203, delivery pump; 204, connecting pipe; 205, spray box; 206, spray head; 207, adjustment motor; 208, connecting plate; 209, cleaning brush; 3, dustproof and cooling mechanism; 301, fan cover; 302, ventilation slot; 303, motor; 304, connecting rod; 305, fan blade; 306, limit frame; 307, sliding frame; 308, filter. DETAILED DESCRIPTION

[0020] 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 implementation regulations described 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.

[0021] Example 1: Reference Figure 1-Figure 6 As shown: a power grid construction safety progress control decision-making auxiliary system, including a safety control mechanism 1, a cleaning mechanism 2 is arranged on the top of the safety control mechanism 1, a dustproof and cooling mechanism 3 is arranged on the side of the safety control mechanism 1, and the safety control mechanism 1 includes an outer shell 101, a rotating motor 102 is arranged on the top of the rotating motor 102, a U-shaped frame 103 is arranged on the top of the rotating motor 102, a monitoring probe 104 is arranged on the inner side of the U-shaped frame 103, and a lens 105 is arranged at one end of the monitoring probe 104. The outer shell 101 facilitates the installation of processing and storage equipment, and at the same time facilitates the installation position of the rotating motor 102, and drives the U-shaped frame 103 to rotate through the rotating motor 102, thereby driving the monitoring probe 104 to realize the synchronous rotation function, and the lens 105 facilitates the provision of effective real-time video monitoring of the surrounding situation; The cleaning mechanism 2 includes a water tank 201, a delivery pump 203 is provided at one end of the water tank 201, a connecting pipe 204 is fixedly connected to the side of the delivery pump 203, a spray box 205 is fixedly connected to one end of the connecting pipe 204, a plurality of spray heads 206 are evenly distributed on both sides of the spray box 205, an adjusting motor 207 is provided on the top of the monitoring probe 104, a connecting plate 208 is provided at the output end of the adjusting motor 207, a plurality of cleaning brushes 209 are evenly distributed on one side of the connecting plate 208, and the spray box 205 is provided on the other side of the connecting plate 208. The cleaning liquid is stored and connected to the inside of the water tank 201 through the delivery pump 203, so as to ensure that the cleaning liquid is extracted, and then it is delivered to the spray box 205 through the connecting pipe 204. The spray heads 206 distributed on both sides of the spray box 205 are used to spray evenly to flush the position of the lens 105. The connecting plate 208 is driven to rotate by adjusting the motor 207, and the cleaning brush 209 is distributed on the position of the connecting plate 208, so as to facilitate the cleaning effect of the lens 105, which is conducive to providing effective cleaning treatment, ensuring the cleaning effect, and thus helping to improve the effect of monitoring camera.

[0022] like Figure 3 and Figure 6 As shown, the dust-proof and cooling mechanism 3 includes a fan cover 301, an electric motor 303 is arranged inside the fan cover 301, a fan blade 305 is movably installed on one side of the motor 303, a filter 308 is arranged on the inner side of the fan cover 301, and the filter 308 is arranged on the side of the fan blade 305. The motor 303 is installed on the inner side of the fan cover 301, and the fan blade 305 is driven to rotate by the motor 303, which is beneficial to blowing air to the inside of the outer shell 101 for heat dissipation. The filter 308 facilitates the filtering function, which is beneficial to improving the effect of ventilation and heat dissipation, and ensuring the heat dissipation performance.

[0023] like Figure 3 and Figure 6 As shown, a limiting frame 306 is provided on the outer side of the fan cover 301, and a sliding frame 307 is fixedly installed on one end of the outer shell 101. The limiting frame 306 is movably connected to the inner side of the sliding frame 307. The limiting frame 306 is slidably connected to the inner side of the sliding frame 307, so that the fan cover 301 can be conveniently and quickly installed on the side of the outer shell 101, which is conducive to providing convenient installation and disassembly effects, facilitating cleaning of the interior, and facilitating replacement of the interior.

[0024] like Figure 4As shown, fill light spotlights 106 are symmetrically fixedly installed on both sides of the monitoring probe 104, and a flip motor 107 is arranged on the outer side of the U-shaped frame 103. The output end of the flip motor 107 is connected to one side of the monitoring probe 104. The fill light spotlights 106 can provide fill light operation for the shooting range of the lens 105, which is beneficial to provide fill light effect in dim light conditions and ensures the purpose of use.

[0025] like Figure 2 As shown, a plurality of ventilation grilles 108 are evenly provided on both sides of the outer shell 101, and a door panel 109 is provided at one end of the outer shell 101. The ventilation grilles 108 facilitate heat dissipation on both sides of the outer shell 101, thereby ensuring stable operation. The door panel 109 facilitates opening the interior of the outer shell 101, thereby facilitating internal installation and disassembly, thereby improving the convenience of operation.

[0026] like Figure 6 As shown, a processor 110 is disposed at the inner top of the outer shell 101, a wireless communicator 111 is disposed at one end of the processor 110, and a locator 112 is disposed at the bottom of the processor 110. The processor 110 can be used to capture and record the captured data, and the wireless communicator 111 facilitates the transmission of the detected data, so that the remote terminal device can view it easily.

[0027] like Figure 6 As shown, a plurality of side support frames 113 are evenly distributed on the inner wall of the outer shell 101, a pallet 114 is arranged on the top of the side support frame 113, and a storage server 115 is arranged on the top of the pallet 114. The side support frames 113 facilitate the installation of the pallet 114, thereby facilitating the provision of placement space for the storage server 115, thereby effectively improving the convenience of operation.

[0028] like Figure 1 and Figure 2 As shown, a bottom support frame 116 is provided at the bottom of the outer shell 101, and a driving motor 117 is provided at the four bottom corners of the bottom support frame 116. A moving wheel 118 is provided on the side of the driving motor 117. The bottom support frame 116 provides installation support, and the driving motor 117 drives the moving wheel 118 to rotate, thereby driving the device to provide a convenient moving function.

[0029] like Figure 4 As shown, an injection port 202 is provided on the top of the water tank 201 , and an adjustment motor 207 is provided on the side of the water tank 201 , so that the detergent can be conveniently injected into the interior of the water tank 201 through the injection port 202 .

[0030] like Figure 3As shown, a plurality of ventilation slots 302 are evenly penetrated on one side of the fan cover 301, and connecting rods 304 are fixedly connected to both sides of the motor 303, and one end of the connecting rods 304 is fixedly connected to the inner wall of the fan cover 301. The ventilation slots 302 can provide ventilation and heat dissipation, and the connecting rods 304 facilitate the installation support of the motor 303.

[0031] In the present invention, when the power grid construction safety progress control decision-making auxiliary system is used, first, the outer shell 101 facilitates the installation of the processing and storage equipment, and at the same time facilitates the installation position of the rotating motor 102, and drives the U-shaped frame 103 to rotate through the rotating motor 102, thereby driving the monitoring probe 104 to realize the synchronous rotation function, and facilitates the provision of effective real-time video monitoring of the surrounding conditions through the lens 105. The cleaning agent is conveniently injected into the interior of the water tank 201 through the injection port 202, and the cleaning liquid is stored in the water tank 201, and is connected to the interior of the water tank 201 through the delivery pump 203, so as to ensure that the cleaning liquid is extracted, and then Then it is transported to the spray box 205 through the connecting pipe 204, and is evenly sprayed by the spray heads 206 distributed on both sides of the spray box 205 to rinse the position of the lens 105. The fill-in light spotlight 106 can provide fill-in light operation for the camera range of the lens 105, which is conducive to providing fill-in light effect in dim light conditions and ensures the use function. The ventilation grille 108 is convenient for providing heat dissipation function on both sides of the outer shell 101 to ensure stable operation. The door panel 109 facilitates the opening of the interior of the outer shell 101, which is conducive to providing internal installation and disassembly, improving the convenience of operation. The processor 110 can be used to shoot The data is recorded and photographed, the wireless communication device 111 facilitates the transmission of the detected data, and is convenient for the remote terminal device to view. The side support frame 113 facilitates the installation of the support plate 114, and thus facilitates the placement space of the storage server 115, effectively improving the convenience of operation. The bottom support frame 116 provides the function of installation support, and the driving motor 117 drives the moving wheel 118 to rotate, thereby driving the device to provide a convenient movement function. The connecting plate 208 is driven to rotate by adjusting the motor 207, and the cleaning brush 209 is distributed at the position of the connecting plate 208, thereby facilitating the cleaning effect of the lens 105, thereby It is beneficial to provide effective cleaning treatment, ensure the cleaning effect, and further help to improve the effect of monitoring camera. The motor 303 is installed on the inner side of the fan cover 301, and the fan blade 305 is driven to rotate by the motor 303, which is beneficial to blow air to the inside of the outer shell 101 for heat dissipation. The filter net 308 facilitates the filtering effect, which is beneficial to improve the effect of ventilation and heat dissipation and ensure the heat dissipation performance. The limit frame 306 is slidably connected to the inner side of the sliding frame 307, so that the fan cover 301 can be quickly and conveniently installed on the side of the outer shell 101, which is beneficial to provide convenient installation and disassembly effects and is beneficial to cleaning the interior.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A power grid construction safety progress control decision support system, comprising a safety control mechanism (1), characterized in that: A cleaning mechanism (2) is arranged on the top of the safety control mechanism (1), a dustproof and cooling mechanism (3) is arranged on the side of the safety control mechanism (1), the safety control mechanism (1) comprises an outer shell (101), a rotating motor (102) is arranged on the top of the outer shell (101), a U-shaped frame (103) is arranged on the top of the rotating motor (102), a monitoring probe (104) is arranged on the inner side of the U-shaped frame (103), and a lens (105) is arranged at one end of the monitoring probe (104); The cleaning mechanism (2) comprises a water tank (201), a delivery pump (203) is arranged at one end of the water tank (201), a connecting pipe (204) is fixedly connected to the side of the delivery pump (203), a spray box (205) is fixedly connected to one end of the connecting pipe (204), a plurality of spray heads (206) are evenly distributed on both sides of the spray box (205), an adjustment motor (207) is arranged at the top of the monitoring probe (104), a connecting plate (208) is arranged at the output end of the adjustment motor (207), a plurality of cleaning brushes (209) are evenly distributed on one side of the connecting plate (208), and the spray box (205) is arranged on the other side of the connecting plate (208).

2. The power grid construction safety progress control decision support system according to claim 1 is characterized by: The dustproof and cooling mechanism (3) comprises a fan cover (301), a motor (303) is arranged inside the fan cover (301), a fan blade (305) is movably mounted on one side of the motor (303), a filter screen (308) is arranged on the inner side of the fan cover (301), and the filter screen (308) is arranged on the side of the fan blade (305).

3. The power grid construction safety progress control decision support system according to claim 2 is characterized by: A limiting frame (306) is arranged on the outside of the fan cover (301), a sliding frame (307) is fixedly mounted on one end of the outer shell (101), and the limiting frame (306) is movably connected to the inside of the sliding frame (307).

4. The power grid construction safety progress control decision support system according to claim 1, characterized in that: Filling light spotlights (106) are symmetrically fixedly mounted on both sides of the monitoring probe (104); a flip motor (107) is arranged on the outside of the U-shaped frame (103); and an output end of the flip motor (107) is connected to one side of the monitoring probe (104).

5. The power grid construction safety progress control decision support system according to claim 4 is characterized by: A plurality of ventilation grilles (108) are evenly provided on both sides of the outer shell (101), and a door panel (109) is provided at one end of the outer shell (101).

6. The power grid construction safety progress control decision support system according to claim 5 is characterized by: A processor (110) is arranged at the top of the inner side of the outer shell (101), a wireless communicator (111) is arranged at one end of the processor (110), and a positioner (112) is arranged at the bottom of the processor (110).

7. The power grid construction safety progress control decision support system according to claim 6, characterized in that: A plurality of side support frames (113) are evenly distributed on the inner wall of the outer shell (101); a support plate (114) is arranged on the top of the side support frame (113); and a storage server (115) is arranged on the top of the support plate (114).

8. The power grid construction safety progress control decision support system according to claim 7, characterized in that: A bottom support frame (116) is provided at the bottom of the outer shell (101), a driving motor (117) is provided at four corners of the bottom of the bottom support frame (116), and a moving wheel (118) is provided on the side of the driving motor (117).

9. The power grid construction safety progress control decision support system according to claim 1, characterized in that: The top of the water tank (201) is provided with an injection port (202), and the regulating motor (207) is arranged on the side of the water tank (201).

10. The power grid construction safety progress control decision support system according to claim 3, characterized in that: A plurality of ventilation slots (302) are evenly penetrated on one side of the fan cover (301), and connecting rods (304) are fixedly connected to both sides of the motor (303), and one end of the connecting rods (304) is fixedly connected to the inner wall of the fan cover (301).

Citation Information

Patent Citations

  • Power grid planning auxiliary decision-making system

    CN209845527U