Photovoltaic special cable multi-working-face intelligent pay-off device and construction method

Abstract

The intelligent pay-off device comprises the winding system and the data acquisition pay-off system, automatic pay-off and automatic cutting are achieved through the data acquisition pay-off device, simultaneous operation can be achieved under the condition of a plurality of cable reels, physical output of workers is greatly reduced, and parallel construction of a plurality of working faces is achieved. The pay-off device is light, flexible, low in cost, capable of fully utilizing electric energy and solar energy, green and free of pollution. According to theoretical calculation, when the device is used for paying off the special photovoltaic cable, compared with an original manual laying mode, two persons (5-6 persons in the past) can be reduced for each small paying-off team, the cost is saved by more than 1 / 3, and high economic applicability is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of shield tunnel construction, and in particular relates to a multi-operation-surface intelligent pay-out device for photovoltaic special cables and a construction method. Background Art

[0002] The Modern Energy System Plan explicitly calls for accelerating the construction of large-scale wind and photovoltaic power bases, primarily in desert, Gobi, and other wasteland areas. An increasing number of large-scale centralized photovoltaic projects are under construction. Large capacity, vast areas, harsh environments, and short construction deadlines are typical characteristics of large-scale centralized photovoltaic projects. This significantly increases the complexity of photovoltaic construction management, particularly in the installation of specialized photovoltaic cables, which present challenges due to their long lines, low payout efficiency, and high quality requirements. Currently, manual installation is the prevalent method for laying specialized photovoltaic cables in my country (requiring a team of approximately four to five people). This is labor-intensive, time-consuming, and labor-intensive, impacting efficiency. Furthermore, work in summer, often endures high temperatures, posing safety risks such as heatstroke.

[0003] In order to solve the stubborn problems that are difficult to solve in the process of laying the above-mentioned photovoltaic special cables, a photovoltaic special cable multi-working surface intelligent wire-laying device and construction method are proposed, which can realize automatic wire-laying and automatic cutting, and can operate simultaneously under the conditions of multiple cable drums, greatly reducing the physical consumption of workers, being green and pollution-free, and achieving the effect of parallel construction on multiple working surfaces. Summary of the Invention

[0004] In order to overcome the technical problems in the prior art of manual laying of photovoltaic special cables, which are labor-intensive, time-consuming and labor-intensive, the present invention provides a photovoltaic special cable multi-working surface intelligent pay-out device and construction method. Automatic pay-out and automatic cutting are achieved through a digital pay-out device, and multiple cable drums can be used for simultaneous operation, greatly reducing the physical exertion of workers and realizing parallel construction on multiple working surfaces, thus solving the above-mentioned technical problems.

[0005] A photovoltaic-specific cable multi-operating surface intelligent pay-off device includes a winding system and a data acquisition pay-off system. The winding system includes a sleeve, a photovoltaic-specific cable reel, a photovoltaic-specific cable bracket, an upper positioning card, a lower positioning card, a guide rod, a winding ring and a fixed shaft. The fixed shaft is a galvanized steel pipe, which is fixed in the middle of the photovoltaic-specific cable reel. A sleeve is provided in the middle position. A bearing is installed inside the sleeve and can rotate around the fixed shaft. The guide rod, the winding ring and the sleeve are horizontally connected and welded together. The overall shape is an "inverted spoon". A winding ring is provided on the top of the fixed shaft to reduce the friction resistance of the cable pay-off. The photovoltaic-specific cable bracket is made of a steel pipe, matches the diameter of the photovoltaic-specific cable reel, and can also be made into an adjustable form.

[0006] The digital acquisition and wire-laying system includes a digital acquisition cutting knife, a bell mouth, a start switch, a gear shifter, a roller, a length identification calculator, a foldable solar cell group, a motor, a battery pack, wheels, a control background and a bracket. Multiple incoming lines are set up. The control background transmits data through Bluetooth, USB, and wireless networks to control the normal operation of the control device. Each incoming line channel is equipped with a bell mouth to facilitate the smooth outlet of the special cable. Each incoming line channel is also equipped with a length identification calculator, which automatically identifies and calculates the cable length through laser scanning. The cutting length list is input through the background and manual or automatic cutting is performed. A digital acquisition cutting knife is set up for each different incoming line channel, located behind the bell mouth, which automatically cuts the cable according to the set length. The motor serves as the power system for wire-laying and is powered by a battery. The battery pack is the power source for the motor. The foldable solar cell groups are distributed on both sides and the top of the device. The rollers are two rotating rubber wheels, which drive the cable to automatically pay out through friction with the cable. The bracket supports the entire digital acquisition and wire-laying system and moves within the construction site through wheels.

[0007] The above-mentioned photovoltaic special cable multi-operation surface intelligent wire-laying device has two gear shifters: automatic mode and manual mode. The automatic mode can automatically cut and output the wires according to the length list input in the background, and can be adjusted to 1, 2, and 3 gears according to the on-site wire-laying efficiency. Gear 1 has the slowest wire-laying speed, and gear 3 has the fastest wire-laying speed.

[0008] The above-mentioned photovoltaic-specific cable multi-operation surface intelligent line-laying device, the battery pack can be electrically charged, and the foldable solar cells on both sides and the top of the device can also be used for photovoltaic power storage.

[0009] A construction method for a photovoltaic cable multi-operation surface intelligent pay-out device, the construction method comprising the following steps: S1: Preparation before laying: transport the photovoltaic cable bracket and the data acquisition and pay-out system to the construction site, lift the photovoltaic cable reel directly above the photovoltaic cable bracket and secure it, install the sleeve, guide rod, winding ring and fixed shaft, pass the photovoltaic cable through the two winding rings in sequence, and connect it to the data acquisition and pay-out system; S2: Input the cable length parameters, place the ends of the photovoltaic cables neatly on the ground, and input the theoretical calculated value required for each string and the total length of the cable reel into the control backend via USB or Bluetooth; S3: Adjust the laying parameters, calculate the laying speed according to the construction progress, personnel and cable material configuration, and determine the laying gear through the gear device; S4: Laying construction. Turn on the start switch and automatically pay out the cables based on the cable length parameters input in the control background. At least two workers are assigned to one pay-out channel. The two workers stagger the pay-out time of one string. The specific operation is as follows: first start one pay-out channel. The first pay-out worker lays two cables while the second worker waits at the outlet. When the length of a string reaches the input value, the data acquisition cutter automatically cuts it off. The second worker takes over the next string to pay out the cables, and the first worker returns to the outlet to pay out the cables. S5: loop step S4, when the cable reeling construction is about to be completed, the control background will sound an alarm to remind you to replace the cable reel and increase the cable length.

[0010] The above-mentioned construction method of the photovoltaic special cable multi-operating surface intelligent wire-laying device, in the step S1, the photovoltaic special cable bracket and the digital acquisition wire-laying system are transported to the site, the distance between the photovoltaic special cable bracket and the digital acquisition wire-laying system is 2m, the photovoltaic special cable reel and the photovoltaic special cable bracket are fixed with nuts, and the digital acquisition wire-laying system is standardly configured with 4 wire-threading channels, 2 positive poles and 2 negative poles.

[0011] In the above-mentioned construction method of a photovoltaic-specific cable multi-operating surface intelligent wire-laying device, in step S2, the laying length of each string is obtained according to theoretical calculation and formed into a .xlsx, .xls or .xml format file. The theoretical calculation value is input through the USB interface or Bluetooth method of the control background, and the total control length of the cable reel is set as an alarm parameter.

[0012] In the above-mentioned construction method of the photovoltaic dedicated cable multi-working surface intelligent wire-laying device, in step S3, the calculated wire-laying speed is generally 0.2m / s-0.3m / s, the 1st gear speed of the gear shifter is 0.15m / s-0.25m / s, the 2nd gear speed is 0.25m / s-0.4m / s, and the 3rd gear speed is 0.4m / s-0.6m / s.

[0013] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art: 1. The present invention provides a photovoltaic cable multi-operation surface intelligent pay-off device, which realizes automatic pay-off and automatic cutting through a data acquisition pay-off device. It can also operate simultaneously on multiple cable drums, greatly reducing the physical exertion of workers and realizing parallel construction on multiple working surfaces. 2. The photovoltaic cable multi-operation surface intelligent pay-off device of the present invention is light and flexible, low-cost, can fully utilize electricity and solar energy, and is green and pollution-free. According to theoretical calculations, the use of this device can reduce 2 people in each pay-off team (originally 5-6 people / team), saving about 33.33% or more in costs, and has high economic and technical applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein: Figure 1 This is a front view of a multi-operation-surface intelligent pay-off device for photovoltaic special cables used for laying photovoltaic special cables according to the present invention; Figure 2 This is a top view of a multi-operation-surface intelligent pay-off device for photovoltaic cables according to the present invention used for laying photovoltaic cables; Figure 3 This is a top view of the fixed axis of the multi-operation-surface intelligent pay-off device for photovoltaic cables according to the present invention; Figure 4 This is a schematic elevation view of the fixed axis of the multi-operation-surface intelligent pay-off device for photovoltaic cables according to the present invention; In the figure: 1- photovoltaic special cable, 2- data acquisition cutter, 3- bell mouth, 4- start switch, 5- gear shifter, 6- roller, 7- length identification calculator, 8- foldable solar cell group, 9- motor, 10- battery pack, 11- wheel, 12- control backstage, 13- bracket, 14- sleeve, 15- photovoltaic special cable reel, 16- photovoltaic special cable bracket, 17- upper positioning card, 18- lower positioning card, 19- guide rod, 20- winding ring, 21- fixed shaft. DETAILED DESCRIPTION

[0015] like Figure 1 and Figure 2 The figure shows a front view and a top view of a photovoltaic special cable multi-operating surface intelligent pay-off device for laying photovoltaic special cables according to the present invention, which includes a winding system and a data acquisition pay-off system. The winding system includes a sleeve 14, a photovoltaic special cable reel 15, a photovoltaic special cable bracket 16, an upper positioning card 17, a lower positioning card 18, a guide rod 19, a winding ring 20 and a fixed shaft 21.

[0016] like Figure 3 and Figure 4 The figure shows a top view and a vertical view of the fixed shaft 21. The fixed shaft 21 is a galvanized steel pipe, which is fixed in the middle of the photovoltaic special cable drum 15. A sleeve 14 is provided in the middle position. A bearing is installed inside the sleeve 14, which can rotate around the fixed shaft 21. The guide rod 19 and the winding ring 20 are horizontally connected to the sleeve 14, and the two are welded together. The overall shape is "inverted spoon". The winding ring 20 is provided on the top of the fixed shaft 21 to reduce the friction resistance of the cable unwinding. The photovoltaic special cable bracket 16 is made of steel pipe, which matches the diameter of the photovoltaic special cable drum 15 and can also be made into an adjustable form.

[0017] The data acquisition and wire-laying system includes a data acquisition cutter 2, a bell mouth 3, a start switch 4, a gear shifter 5, a roller 6, a length identification calculator 7, a foldable solar cell group 8, a motor 9, a battery pack 10, a wheel 11, a control background 12 and a bracket 13. Multiple incoming channels are set. The control background 12 transmits data through Bluetooth, USB, and wireless networks to control the normal operation of the control device. A bell mouth 3 is set at each incoming channel to facilitate the smooth outlet of the special cable. A length identification calculator 7 is also provided at each incoming channel to automatically identify and calculate the cable length through laser scanning. , by inputting the cutting length list in the background, manual or automatic cutting is performed. A data acquisition cutting knife 2 is set for each different incoming line channel, located behind the bell mouth 3, and automatically cuts the cable according to the set length. The motor 9 is used as the power system for paying out the wires and is powered by a battery. The battery pack 10 is the power source of the motor 9. The foldable solar cell group 8 is distributed on both sides and the top of the device. The roller 6 is two rotating rubber wheels, which drive the cable to pay out automatically through friction with the cable. The bracket 13 supports the entire data acquisition and pay-out system and moves within the construction site through the wheels 11.

[0018] The gear shifter 5 is divided into two models, automatic mode and manual mode. The automatic mode can automatically cut and output the wire according to the length list input in the background. It can be adjusted to 1, 2, and 3 gears according to the on-site wire-paying efficiency. Gear 1 has the slowest wire-paying speed and gear 3 has the fastest wire-paying speed.

[0019] The battery pack 10 can be electrically charged, and can also use the foldable solar cells 8 on both sides and the top of the device for photovoltaic storage.

[0020] A construction method for a photovoltaic cable multi-operation surface intelligent pay-out device, the construction method comprising the following steps: Step 1: Preparation before laying: transport the photovoltaic cable bracket 16 and the data acquisition and wire-paying system to the construction site, lift the photovoltaic cable drum 15 to the top of the photovoltaic cable bracket 16 and fix it, install the sleeve 14, guide rod 19, winding ring 20 and fixed shaft 21, pass the photovoltaic cable through the two winding rings 20 in sequence, and connect it to the data acquisition and wire-paying system. The distance between the photovoltaic cable bracket 16 and the data acquisition and wire-paying system is 2m. The photovoltaic cable drum 15 and the photovoltaic cable bracket 16 are fixed with nuts. The data acquisition and wire-paying system is standardly configured with 4 wire-threading channels, 2 positive and 2 negative. Step 2: Input the cable length parameters, neatly place the ends of the threaded photovoltaic cables on the ground, and input the theoretical calculated value required for each string and the total length of the cable reel into the control background 12 via USB or Bluetooth. The laying length of each string is calculated according to the theory and is generated into a .xlsx, .xls or .xml format file. The theoretical calculated value is input through the USB interface or Bluetooth of the control background 12, and the total control length of the cable reel is set as the alarm parameter. Step 3: Adjust the laying parameters. Calculate the pay-off speed according to the construction progress, personnel, and cable material configuration. Determine the pay-off gear position through the gear shifter 5. The calculated pay-off speed is generally 0.2m / s-0.3m / s. The 1st gear speed of the gear shifter 5 is 0.15m / s-0.25m / s, the 2nd gear speed is 0.25m / s-0.4m / s, and the 3rd gear speed is 0.4m / s-0.6m / s. Step 4: Laying construction, turn on the start switch 4, and automatically pay out the cable according to the cable length parameter input by the control background 12. At least two workers are configured for one pay-out channel, and the pay-out time of the two workers is staggered by one string. The specific operation is as follows: first start one pay-out channel, the first pay-out worker lays two cables, and the second worker waits at the outlet. When the length of a string reaches the input value, the data acquisition cutter automatically cuts it off, and the second worker takes over the cable of the next string to pay out, and the first worker returns to the outlet to pay out; Step 5: Loop step 4. When the cable reeling construction is almost completed, the control background will sound an alarm 12 times to remind you to replace the cable reel and increase the cable length.

Claims

1. A photovoltaic cable multi-operation surface intelligent pay-off device, characterized in that: Including winding system and data acquisition pay-off system: The winding system comprises a sleeve (14), a photovoltaic special cable drum (15), a photovoltaic special cable bracket (16), an upper positioning card (17), a lower positioning card (18), a guide rod (19), a winding ring (20) and a fixed shaft (21). The fixed shaft (21) is a galvanized steel pipe fixed in the middle of the photovoltaic special cable drum (15). A sleeve (14) is provided in the middle position. A bearing is installed inside the sleeve (14) and can rotate around the fixed shaft (21). The guide rod (19), the winding ring (20) and the sleeve (14) are horizontally connected and welded together. The overall shape is "inverted spoon". The winding ring (20) is provided on the top of the fixed shaft (21) to reduce the friction resistance of the cable. The photovoltaic special cable bracket (16) is made of a steel pipe and matches the diameter of the photovoltaic special cable drum (15). It can also be made into an adjustable form. The data acquisition and line laying system comprises a data acquisition cutting knife (2), a bell mouth (3), a start switch (4), a gear shifter (5), a roller (6), a length identification calculator (7), a foldable solar cell group (8), a motor (9), a battery group (10), a wheel (11), a control background (12) and a bracket (13). A plurality of incoming line channels are provided. The control background (12) transmits data via Bluetooth, USB, and wireless network to control the normal operation of the control device. A bell mouth (3) is provided at each incoming line channel to facilitate the smooth outlet of the dedicated cable. A length identification calculator (7) is also provided at each incoming line channel to automatically identify the length of the cable through laser scanning. The cable length is calculated, and the cutting length list is input through the background, and the cable is cut manually or automatically. A data acquisition cutting knife (2) is set for each different incoming line channel, which is located behind the bell mouth (3) and automatically cuts the cable according to the set length. The motor (9) is used as a power system for releasing the line and is powered by a battery. The battery pack (10) is the power source of the motor (9). The foldable solar cell group (8) is distributed on both sides and the top of the device. The roller (6) is two upper and lower rotating rubber wheels, which drive the cable to automatically release the line through the friction with the cable. The bracket (13) supports the entire data acquisition and release system and moves in the construction site through the wheels (11).

2. A photovoltaic cable multi-operation surface intelligent pay-off device according to claim 1, characterized in that: The gear shifter (5) is divided into two models, automatic mode and manual mode. The automatic mode can automatically cut and output the wire according to the length list input in the background. The gears 1, 2 and 3 can be adjusted according to the on-site wire-laying efficiency. The gear 1 has the slowest wire-laying speed and the gear 3 has the fastest wire-laying speed.

3. The photovoltaic cable multi-operation surface intelligent pay-off device according to claim 1, characterized in that: The battery pack (10) can be electrically charged, and can also use the foldable solar cells (8) on both sides and the top of the device for photovoltaic power storage.

4. The construction method of a photovoltaic cable multi-operation surface intelligent pay-off device according to claim 1, characterized in that: The construction method comprises the following steps: S1: Preparation before laying: transport the photovoltaic cable bracket (16) and the data acquisition and pay-off system to the construction site, lift the photovoltaic cable drum (15) to the top of the photovoltaic cable bracket (16) and fix it, install the sleeve (14), guide rod (19), winding ring (20) and fixed shaft (21), pass the photovoltaic cable through the two winding rings (20) in sequence, and connect it to the data acquisition and pay-off system; S2: Input the cable length parameters, place the ends of the photovoltaic cables neatly on the ground, and input the theoretical calculated value required for each string and the total length of the cable reel into the control backend via USB or Bluetooth (12); S3: Adjust the laying parameters, calculate the laying speed according to the construction progress, personnel and cable material configuration, and determine the laying gear through the gear device (5); S4: Laying construction, turn on the start switch (4), and automatically pay out the cable according to the cable length parameter input by the control background (12). At least two workers are assigned to one pay-out channel, and the pay-out time of the two workers is staggered by one group of strings. The specific operation is as follows: first start one group of pay-out channels, the first pay-out worker lays two cables, and the second worker waits at the outlet. When the length of a group of strings reaches the input value, the data acquisition cutter will automatically cut it off, and the second worker will take over the cable of the next group of strings to pay out, and the first worker returns to the outlet to pay out; S5: loop step S4, when the cable reeling construction is about to be completed, the control background (12) will sound an alarm to remind you to replace the cable reel and increase the cable length.

5. The construction method of a photovoltaic cable multi-operation surface intelligent pay-off device according to claim 4, characterized in that: In step S1, the photovoltaic dedicated cable bracket (16) and the data acquisition and wire-laying system are transported to the site. The distance between the photovoltaic dedicated cable bracket (16) and the data acquisition and wire-laying system is 2 m. The photovoltaic dedicated cable drum (15) and the photovoltaic dedicated cable bracket (16) are fixed with nuts. The data acquisition and wire-laying system is standardly configured with 4 wire-threading channels, 2 positive poles and 2 negative poles.

6. The construction method of a photovoltaic cable multi-operation surface intelligent pay-off device according to claim 4, characterized in that: In step S2, the laying length of each string is calculated according to the theory and is formed into a .xlsx, .xls or .xml format file. The theoretical calculation value is input through the USB interface or Bluetooth of the control background (12), and the total control length of the cable drum is set as the alarm parameter.

7. The construction method of a photovoltaic cable multi-operation surface intelligent pay-off device according to claim 4, characterized in that: In the step S3, the calculated pay-off speed is generally 0.2m / s-0.3m / s, the first gear speed of the gear shifter (5) is 0.15m / s-0.25m / s, the second gear speed is 0.25m / s-0.4m / s, and the third gear speed is 0.4m / s-0.6m / s.

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