Power distribution structure of direct-current film rolling device

Abstract

The utility model relates to the technical field of direct-current film reelers, and discloses a power distribution structure of a direct-current film reeler, which comprises a main power box, a cable and a power distribution mechanism. According to the power distribution structure of the direct-current film rolling device, a power supply scheme can be optimized through the arranged power distribution mechanism, the main power box transmits alternating current to an efficient switching power supply installed in the power distribution box through a cable for conversion work, and the converted direct current is transmitted to the control module; then the control module transmits the direct current to the output module, the control module can monitor voltage and current in real time and achieve overvoltage and overcurrent protection, the output module can supply power to the direct-current film rolling device, the length of a direct-current power supply line is reduced, the loss of the power supply line is reduced, and the power supply efficiency is improved; and the heat dissipation efficiency of the power distribution mechanism can be improved through the arranged heat dissipation mechanism, normal operation of power distribution work in the power distribution mechanism is ensured, and efficient heat dissipation is achieved through mutual cooperation of arranged heat dissipation fins and small fans.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of direct-current film rolling devices, in particular to a power distribution structure of a direct-current film rolling device. BACKGROUND

[0002] The direct-current film rolling device is a mechanical device for agricultural facilities such as greenhouses and sheds, which is mainly used for rolling up or putting down plastic film or sunshade net covering the top and side of the greenhouse. The device is driven by a direct-current motor to realize automatic rolling and putting down of the film, and is widely used in modern agriculture to adjust the temperature, humidity and light conditions in the greenhouse.

[0003] With the continuous expansion of the greenhouse area, the power supply line of the direct-current film rolling device also increases. Since the direct-current film rolling motor is driven by low voltage (DC 24V), the working current is large, which causes the voltage drop problem to be increasingly serious. In order to solve this problem, the traditional method is to increase the cross-sectional area of the power supply wire to reduce the voltage drop. However, this method will cause a substantial increase in cost. Therefore, there is an urgent need for a solution that can reduce power line loss and reduce cost. CONTENT OF THE INVENTION

[0004] In view of the deficiencies of the prior art, the application provides a power distribution structure of a direct-current film rolling device. The power distribution structure can shorten the direct-current circuit, reduce power line loss, optimize the power supply scheme, and improve the use efficiency of the power line.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a power distribution structure of a direct-current film rolling device, comprising a main electric box, a cable and a power distribution mechanism, the main electric box and the power distribution mechanism are electrically connected through the cable, the power distribution mechanism comprises a power distribution box and a high-efficiency switching power supply, a control module and an output module installed on the inner wall of the power distribution box, the inside of the power distribution box is provided with a heat dissipation mechanism, the heat dissipation mechanism comprises heat dissipation fins fixedly connected on both sides of the outer surface of the power distribution box, a small fan is inlaid on the top of the power distribution box, the small fan is electrically connected with the high-efficiency switching power supply through wires, an air outlet cover is fixedly connected to the inner top wall of the power distribution box, the output end of the small fan is located in the inside of the air outlet cover, a moisture removal plate is installed at the output end of the air outlet cover, and a dust screen is inlaid at the bottom of the power distribution box.

[0006] Through the above scheme, the power supply scheme can be optimized by the power distribution mechanism, the main electric box converts the alternating current into direct current through the cable, and the direct current is transmitted to the control module and then to the output module, the control module can monitor the voltage and current in real time to realize overvoltage and overcurrent protection, and the output module can supply power to the direct current film winding device, reducing the length of the direct current power supply line, reducing the power supply line loss, and improving the power supply efficiency, and the heat dissipation mechanism can improve the heat dissipation efficiency of the power distribution mechanism, the heat dissipation fins and the small fan cooperate with each other to realize efficient heat dissipation, and the moisture-proof plate and the dustproof net can improve the dustproof and moisture-proof effect of the power distribution box.

[0007] Further, the main electric box and the power distribution mechanism are powered by 220v alternating current, the bottom surface of the power distribution box is provided with a reserved wire slot, and one end of the cable penetrates through the reserved wire slot and is electrically connected with the efficient switching power supply.

[0008] Through the above scheme, the alternating current in the main electric box can be converted into direct current through the cable.

[0009] Further, the efficient switching power supply, the control module and the output module are respectively positioned in the inner wall of the power distribution box by bolts, the efficient switching power supply is electrically connected with the control module by wires, and the control module is electrically connected with the output module by wires.

[0010] Through the above scheme, the connection relationship between the efficient switching power supply, the control module and the output module is limited, the alternating current transmitted by the cable is converted into direct current for the direct current film winding device, and the direct current circuit is shortened, reducing the power supply line loss.

[0011] Further, the outer surface of the power distribution box is inlaid with an LED indicator light, and the LED indicator light is electrically connected with the control module by wires.

[0012] Through the above scheme, the LED indicator light can display the working state of the power distribution box, such as normal power supply, fault, etc.

[0013] Further, the top of the power distribution box is fixedly connected with four top rods, the upper side of the power distribution box is provided with a waterproof cover, and the top of each of the four top rods is fixedly connected to the bottom surface of the waterproof cover.

[0014] Through the above scheme, the top rod and the waterproof cover cooperate with each other to improve the waterproof performance of the power distribution box, and ensure the stable operation of the power distribution box in the humid environment such as greenhouse.

[0015] Further, the bottom surface of the power distribution box is fixedly connected with four support columns, and the bottom surface of each support column is fixedly connected with a positioning pad.

[0016] Through the above scheme, the support and the positioning pad can position the power distribution mechanism at a suitable position in the greenhouse, facilitating power supply work for the direct current film rolling device.

[0017] Further, the front surface of the power distribution box is hinged with a lock rod, and the lock rod is matched with the lock catch.

[0018] Through the above scheme, the handle can facilitate the pulling of the box door, and the lock catch can facilitate the subsequent locking work of the box door.

[0019] Further, the front surface of the power distribution box is hinged with a lock rod, and the lock rod is matched with the lock catch.

[0020] Through the above scheme, the lock rod can cooperate with the lock catch, so that the box door can be conveniently locked on the front surface of the power distribution box, thereby providing protection for the components inside the power distribution box.

[0021] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0022] The power distribution structure of the direct current film rolling device can optimize the power supply scheme through the power distribution mechanism. The main power box converts the alternating current transmitted by the cable into direct current in the high-efficiency switching power supply installed in the power distribution box, and then transmits the converted direct current to the control module. The control module can monitor the voltage and current in real time, realize overvoltage and overcurrent protection, and the output module can supply power to the direct current film rolling device. The length of the direct current power supply line is reduced, the power supply line loss is reduced, and the power supply efficiency is improved. The heat dissipation efficiency of the power distribution mechanism is improved through the heat dissipation mechanism, ensuring the normal operation of the power distribution mechanism. The heat dissipation efficiency is improved through the cooperation of the heat dissipation fins and the small fan, and the dustproof and moisture-proof effect of the power distribution box is improved through the moisture-proof plate and the dust screen. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a schematic diagram of the overall plan structure of the structure of the present application;

[0024] Figure 2 The figure is a first partial bottom view schematic diagram of the structure of the present application;

[0025] Figure 3 The figure is a second partial bottom view schematic diagram of the structure of the present application;

[0026] Figure 4 The figure is a third partial bottom view schematic diagram of the structure of the present application;

[0027] Figure 5 The figure is a partial top view schematic diagram of the structure of the present application.

[0028] Fig.:

[0029] 1, main electric box; 2, cable; 3, electric distribution mechanism; 301, electric distribution box; 302, box door; 303, handle; 304, lock catch; 305, lock rod; 306, reserved wire slot; 307, high-efficiency switching power supply; 308, control module; 309, output module; 310, LED indicator light; 311, top rod; 312, waterproof cover; 313, support column; 314, positioning pad; 4, heat dissipation mechanism; 401, heat dissipation fin; 402, small fan; 403, air outlet cover; 404, moisture removal plate; 405, dust screen. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0031] Please refer to Figure 1 , Figure 3 and Figure 4The power distribution structure of the direct current film coiling device in the embodiment comprises a main electric box 1, a cable 2 and a power distribution mechanism 3, the main electric box 1 and the power distribution mechanism 3 are electrically connected through the cable 2, 220V alternating current is used for power supply between the main electric box 1 and the power distribution mechanism 3, the power distribution mechanism 3 comprises a power distribution box 301 and a high-efficiency switching power supply 307, a control module 308 and an output module 309 which are installed on the inner wall of the power distribution box 301, the position of the power distribution box 301 is close to the position of the film coiling device, so that the length of the direct current power supply circuit is greatly shortened, the voltage drop and the line loss are reduced, a reserved wire slot 306 is formed on the bottom surface of the power distribution box 301, one end of the cable 2 penetrates through the reserved wire slot 306 and is electrically connected with the high-efficiency switching power supply 307, the alternating current in the main electric box 1 can be transmitted to the high-efficiency switching power supply 307 through the cable 2 to perform the conversion work, the high-efficiency switching power supply 307, the control module 308 and the output module 309 are respectively positioned in the inner wall of the power distribution box 301 through bolts, the modular installation mode is adopted, so that the subsequent maintenance work of the high-efficiency switching power supply 307, the control module 308 and the output module 309 is facilitated, the high-efficiency switching power supply 307 is electrically connected with the control module 308 through wires, the control module 308 is electrically connected with the output module 309 through wires, the connection relationship between the high-efficiency switching power supply 307, the control module 308 and the output module 309 is limited, so that the alternating current transmitted by the cable 2 is converted into direct current for use of the direct current film coiling device, meanwhile, the direct current circuit is shortened, the power supply line loss is reduced, the outer surface of the power distribution box 301 is inlaid with an LED indicator lamp 310, the LED indicator lamp 310 is electrically connected with the control module 308 through wires, the working state of the power distribution box 301 such as normal power supply, fault and the like can be displayed through the set LED indicator lamp 310.

[0032] Please refer to Figure 2 , Figure 3 and Figure 5The top of the power distribution box 301 is fixedly connected with four top rods 311, and the upper portion of the power distribution box 301 is provided with a waterproof cover 312, the top of the four top rods 311 is fixedly connected to the bottom surface of the waterproof cover 312, and the waterproof performance of the power distribution box 301 can be improved by the cooperation of the top rod 311 and the waterproof cover 312, so that the power distribution box 301 can stably operate in a humid environment such as a greenhouse, the bottom surface of the power distribution box 301 is fixedly connected with four support columns 313, and the bottom surface of each support column 313 is fixedly connected with a positioning pad 314, so that the power distribution mechanism 3 can be positioned at a suitable position in the greenhouse, and the power supply work for the direct current film winding device is facilitated, the front surface of the power distribution box 301 is provided with a box door 302, the outer surface of the box door 302 is fixedly connected with a handle 303 and a lock catch 304, the handle 303 can be used to facilitate pulling of the box door 302, and the lock catch 304 can be used to facilitate subsequent locking of the box door 302, and the front surface of the power distribution box 301 is hingedly connected with a lock rod 305, the lock rod 305 is matched with the lock catch 304, and the lock rod 305 can be matched with the lock catch 304, so that the box door 302 can be conveniently locked on the front surface of the power distribution box 301, and the components in the power distribution box 301 are protected.

[0033] Please refer to Figure 3 , Figure 4 and Figure 5 , the inside of the power distribution box 301 is provided with a heat dissipation mechanism 4, the heat dissipation mechanism 4 comprises heat dissipation fins 401 fixedly connected to the outer surfaces of the power distribution box 301 on both sides, the heat dissipation fins 401 can be exposed to the air, the power distribution box 301 can be quickly cooled by convection and radiation with the air, the probability of overheating in the power distribution box 301 is reduced, and the stability of the power distribution work is ensured, a small fan 402 is inlaid in the top of the power distribution box 301, the small fan 402 is electrically connected to the high-efficiency switching power supply 307 through wires, when the small fan 402 starts, it can blow downward, so that the heat generated by the high-efficiency switching power supply 307, the control module 308 and the output module 309 can be transported downward, a dust screen 405 is inlaid in the bottom of the power distribution box 301, finally the heat can be output to the outside of the power distribution box 301 through the dust screen 405, the heat dissipation efficiency in the power distribution box 301 is improved, and the stability of the power distribution work is further optimized, an air outlet cover 403 is fixedly connected to the inner top wall of the power distribution box 301, the output end of the small fan 402 is located in the inside of the air outlet cover 403, and a dehumidification plate 404 is installed at the output end of the air outlet cover 403, the air transported into the power distribution box 301 by the small fan 402 can be dehumidified by the dehumidification plate 404, and the normal work of the high-efficiency switching power supply 307, the control module 308 and the output module 309 is not affected by the excessive humidity of the air in the power distribution box 301.

[0034] The power distribution structure of the direct current film roller in the embodiment can optimize the power supply scheme through the power distribution mechanism 3. The main electric box 1 converts the 220V alternating current transmitted through the cable 2 into direct current through the high-efficiency switching power supply 307 installed in the power distribution box 301, and then transmits the converted direct current to the control module 308. The control module 308 can monitor the voltage and current in real time and realize overvoltage and overcurrent protection. The output module 309 can supply power to the direct current film roller, reduce the length of the direct current power supply line, reduce the loss of the power supply line, improve the power supply efficiency, and solve the problems raised in the background art. The heat dissipation mechanism 4 can improve the heat dissipation efficiency of the power distribution mechanism 3 and ensure the normal operation of the power distribution mechanism 3. The heat dissipation fins 401 and the small fans 402 cooperate with each other to achieve efficient heat dissipation. The moisture removal plate 404 and the dustproof net 405 can improve the dustproof and waterproof effect of the power distribution box 301.

[0035] The working principle of the above embodiment is as follows: The power distribution box 301 is positioned at a proper position in the greenhouse through the support 313 and the positioning pad 314. The 220V alternating current is transmitted between the power distribution box 301 and the main electric box 1 through the cable 2. The 220V alternating current transmitted in the main electric box 1 is converted into direct current through the high-efficiency switching power supply 307. The alternating current is converted into direct current through the high-efficiency switching power supply 307 for use in the direct current film roller. Since the power distribution box 301 is close to the film roller, the length of the direct current power supply line is greatly shortened, and the voltage drop and line loss are reduced. The high-efficiency switching power supply 307 is electrically connected with the control module 308. The voltage and current can be monitored in real time through the control module 308 to realize overvoltage and overcurrent protection. The output module 309 is electrically connected with the control module 308. The output module 309 can provide multiple direct current output interfaces to support multiple direct current film rollers to work at the same time. The high-efficiency switching power supply 307, the control module 308, and the output module 309 generate heat during work. To avoid overheating in the power distribution box 301, the heat dissipation mechanism 4 is provided to improve the heat dissipation efficiency of the power distribution box 301. The heat dissipation fins 401 can accelerate the heat dissipation effect of the surface of the power distribution box 301. The external air is transmitted from the top of the power distribution box 301 to the inside of the power distribution box 301 through the small fan 402. The moisture removal plate 404 can absorb the moisture contained in the air entering the inside of the power distribution box 301, thereby improving the moisture-proof effect of the device. The dehumidified gas can be transported downward, and the heat generated by the high-efficiency switching power supply 307, the control module 308, and the output module 309 can be brought out to the outside of the power distribution box 301 through the dustproof net 405, thereby further improving the heat dissipation efficiency of the power distribution box 301.

[0036] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0037] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A power distribution structure of a direct current film winder, comprising a main electric box (1), a cable (2) and a power distribution mechanism (3), characterized in that: The main electric box (1) and the power distribution mechanism (3) are electrically connected through the cable (2), the power distribution mechanism (3) comprises a power distribution box (301) and a high-efficiency switching power supply (307), a control module (308) and an output module (309) installed on the inner wall of the power distribution box (301), the inside of the power distribution box (301) is provided with a heat dissipation mechanism (4), the heat dissipation mechanism (4) comprises heat dissipation fins (401) fixedly connected on both sides of the outer surface of the power distribution box (301), a small fan (402) is inlaid on the top of the power distribution box (301), the small fan (402) is electrically connected with the high-efficiency switching power supply (307) through wires, the inner top wall of the power distribution box (301) is fixedly connected with an air outlet cover (403), the output end of the small fan (402) is located in the inside of the air outlet cover (403), a moisture removal plate (404) is installed at the output end of the air outlet cover (403), and a dust screen (405) is inlaid on the bottom of the power distribution box (301).

2. The power distribution structure for a DC film winder of claim 1, wherein: The main electric box (1) and the power distribution mechanism (3) are powered by 220v alternating current, the bottom surface of the power distribution box (301) is provided with a reserved wire groove (306), one end of the cable (2) penetrates through the reserved wire groove (306) and is electrically connected with the high-efficiency switching power supply (307).

3. The power distribution structure for a DC film winder of claim 1, wherein: The high-efficiency switching power supply (307), the control module (308) and the output module (309) are respectively positioned in the inner wall of the power distribution box (301) through bolts, the high-efficiency switching power supply (307) is electrically connected with the control module (308) through wires, and the control module (308) is electrically connected with the output module (309) through wires.

4. The power distribution structure for a DC film winder of claim 1, wherein: The outer surface of the power distribution box (301) is inlaid with an LED indicator lamp (310), and the LED indicator lamp (310) is electrically connected with the control module (308) through wires.

5. The power distribution structure for a DC film winder of claim 1, wherein: The top of the power distribution box (301) is fixedly connected with four top rods (311), the top of the power distribution box (301) is provided with a waterproof cover (312), and the top of each of the four top rods (311) is fixedly connected to the bottom surface of the waterproof cover (312).

6. The power distribution structure for a DC film winder of claim 1, wherein: The bottom surface of the power distribution box (301) is fixedly connected with four support columns (313), and the bottom surface of each support column (313) is fixedly connected with a positioning pad (314).

7. The power distribution structure for a DC film winder of claim 1, wherein: The front surface of the power distribution box (301) is provided with a box door (302), and the outer surface of the box door (302) is fixedly connected with a handle (303) and a lock catch (304).

8. The power distribution structure for a DC film winder of claim 7, wherein: The front surface of the power distribution box (301) is hingedly connected with a lock rod (305), and the lock rod (305) is matched with the lock catch (304).

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