Photovoltaic panel cleaning tool

Abstract

The utility model belongs to cleaning tools, and particularly relates to a photovoltaic panel cleaning tool which comprises a supporting assembly, a water spraying assembly, a connector assembly, rolling brushes and a handheld rod, the rolling brushes are rotationally installed on the two sides of the supporting assembly, and the rolling brushes on the two sides are driven by a power source installed on the supporting assembly to rotate in the direction from outside to inside; the water spraying assembly is installed on the supporting assembly, and nozzles for spraying water to the rolling brushes on the two sides are arranged on the two sides of the water spraying assembly correspondingly. The lower end of the connector assembly is installed on the supporting assembly, the handheld rod is connected with the other end of the connector assembly, and the handheld rod can change the relative angle with the supporting assembly through the connector assembly. According to the photovoltaic panel cleaning device, double cleaning can be conducted on a photovoltaic panel, the water baffle can block splashing water, secondary pollution of the splashing water is avoided, flexible steering or rotation of the rolling brush can be achieved through the connector assembly, labor is saved in operation, the rolling brush can walk in a shape like a Chinese character'gong ', and cleaning efficiency is high.

Description

Technical Field

[0001] The utility model belongs to a cleaning tool, in particular to a photovoltaic panel cleaning tool. Background Art

[0002] The main tools for cleaning photovoltaic panels are single disc brush, double disc brush and single roller brush. When the disc brush is used in distributed photovoltaic power stations with an angle of less than 10 degrees, the water flowability becomes poor due to the small angle; at the same time, the water-displacing effect of the disc brush is poor, so a large amount of water is needed to flush the sewage clean, which is both water-consuming and inefficient. The single roller brush has a good water-displacing effect and can adapt to photovoltaic power stations of various angles; however, the single roller brush can only rotate in one direction. When the pushing direction is consistent with the rolling direction of the roller brush, it is relatively labor-saving, and when they are inconsistent, it is labor-intensive. The water spraying angle changes with the operation angle, and the water use efficiency is low. When the roller brush is close to the operator, it is easy to be sprayed with water brought by the roller brush, which is inconvenient to operate. The hand-held rod of the single roller brush is rigidly connected to the roller brush, and the flexibility is poor. Each cleaning requires a push and a pull to complete the cleaning, which has low cleaning efficiency and poor cleaning effect. Utility Model Content

[0003] In view of the above-mentioned problems existing in the existing photovoltaic panel cleaning tools, the purpose of the utility model is to provide a photovoltaic panel cleaning tool with a flexible joint and a double roller brush design.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] The utility model comprises a support assembly, a water spray assembly, a joint assembly, a roller brush and a hand-held rod, wherein roller brushes are rotatably installed on both sides of the support assembly, and the roller brushes on both sides are driven to rotate from outside to inside by a power source installed on the support assembly; the water spray assembly is installed on the support assembly, and nozzles for spraying water to the roller brushes on both sides are respectively provided on both sides of the water spray assembly; the lower end of the joint assembly is installed on the support assembly, the hand-held rod is connected to the other end of the joint assembly, and the hand-held rod can change the relative angle with the support assembly through the joint assembly.

[0006] Wherein: the support assembly includes a support member, a mounting plate and a joint assembly connecting seat, the two ends of the support member in the length direction are respectively connected with the mounting plates, and the roller brushes on both sides are rotatably installed between the two mounting plates; the power source is located in the support member and is fixedly connected to the support member or the mounting plate, and the output end of the power source is respectively connected to the brush shafts of the roller brushes on both sides through a transmission mechanism, driving the roller brushes on both sides to rotate in a direction from outside to inside; the top of the support member is fixedly connected with a joint assembly connecting seat for connecting to the joint assembly.

[0007] There are one or two power sources. When there is one power source, the output end of the power source passes through the mounting plate on either side, and the transmission mechanism is located on the outside of the same mounting plate. The transmission mechanism includes a power source gear and a brush shaft gear. The output end of the power source is connected to the power source gear, and the same end of the brush shaft of the roller brush on both sides passes through the same mounting plate and is respectively meshed with the power source gear for transmission; when there are two power sources, the two power sources are respectively located at the two ends of the support in the length direction, and the output ends of the two power sources are respectively passed through the two mounting plates, and the transmission mechanisms are two with the same structure, which are respectively located on the outsides of the two mounting plates, and each of the transmission mechanisms includes a synchronous belt and two synchronous pulleys. The two synchronous pulleys are respectively connected to the output end of a power source and the brush shaft of a roller brush, and the two synchronous pulleys are connected and transmitted by a synchronous belt.

[0008] The water spraying direction of the nozzles on each side is from outside to inside toward the bottom of the roller brush on the same side.

[0009] The water spray assembly includes a water baffle, a nozzle, a water baffle strip, a water supply pipeline and a nozzle rack. The water baffle is fixedly connected to the support assembly. Nozzle racks are provided on both sides of the water baffle. One side of the nozzle rack on each side is connected to the water baffle, and a plurality of nozzles are installed along the length direction on the other side of the nozzle rack on each side. Each nozzle is connected to a water source through a water supply pipeline. A water baffle strip is provided at the bottom of the water baffle.

[0010] The water baffle is an inverted isosceles trapezoid with an open upper structure. The outer sides of both sides of the isosceles trapezoid are fixedly connected with return water grooves; one side of the nozzle rack is parallel to the upper base of the isosceles trapezoid, and the other side of the nozzle rack is tilted downward, and the nozzle is installed on the edge of the other side of the nozzle rack.

[0011] The joint assembly is a spring joint assembly, which includes a spring upper fixing seat, a spring and a spring lower fixing seat. The spring lower fixing seat is fixed on the support assembly, the lower end of the spring is fixedly connected to the spring lower fixing seat, the upper end of the spring is fixedly connected to the spring upper fixing seat, and the hand-held rod is connected to the spring upper fixing seat.

[0012] The joint assembly is a multi-stage diaphragm coupling, which includes a lower flange, an upper flange, multi-stage diaphragms and multi-stage isolation columns. The lower flange is fixed on the support assembly, the hand-held rod is connected to the upper flange, and multi-stage diaphragms are arranged between the lower flange and the upper flange. The adjacent diaphragms, the first diaphragm and the lower flange, and the upper flange and the last diaphragm are connected by isolation columns of various levels.

[0013] The joint assembly is a universal joint assembly or a universal coupling. When the joint assembly is a universal joint assembly, the universal joint assembly includes an articulated seat A, a limit pin A, an articulated seat B and a limit pin B. The articulated seat A is fixed on the support assembly, one end of the articulated seat B is hinged to the articulated seat A through the limit pin A, and the other end of the articulated seat B is connected to the hand-held rod through the limit pin B; when the joint assembly is a universal coupling, the two ends of the universal coupling are respectively connected to the support assembly and the hand-held rod.

[0014] Auxiliary wheel assemblies are provided at the left and right ends of the outer side of the roller brush on each side, and the auxiliary wheel assembly includes a sway bar, a longitudinal sway bar, an auxiliary wheel, a tension spring and a limit bolt. The sway bar is hinged on the support assembly, one end of the longitudinal sway bar is fixedly connected to one end of the sway bar, or one end of the longitudinal sway bar and one end of the sway bar are an integral structure, the other end of the longitudinal sway bar is rotatably mounted with an auxiliary wheel, the other end of the sway bar is provided with a limited waist hole, a limit bolt threadedly connected to the support assembly is inserted in the limited waist hole, one end of the tension spring is connected to the support assembly, and the other end of the tension spring is connected to the other end of the sway bar.

[0015] The advantages and positive effects of the utility model are:

[0016] 1. The utility model utilizes two roller brushes to perform double cleaning on the photovoltaic panel. The two roller brushes rotate in opposite directions from outside to inside and from bottom to top. The water baffle can block the splashing water to avoid secondary pollution of the splashing water. The hand-held rod of the utility model is connected to the supporting assembly through a joint assembly. The joint assembly can realize flexible steering or rotation of the roller brush, which saves labor in operation and can realize the "bow" movement of the roller brush, with high cleaning efficiency.

[0017] 2. The two roller brushes of the utility model can be controlled by two independent power sources respectively, and can rotate at the same speed or at a differential speed. When rotating at a differential speed, assisted walking can be achieved.

[0018] 3. When the two roller brushes of the utility model rotate in opposite directions, the driving force of the roller brush on one side can be greater than that on the other side through different diameters, different materials, different densities, and different hardnesses, thereby achieving assisted walking.

[0019] 4. The nozzle of the utility model sprays water toward the bottom of the roller brush, and the cleaning efficiency is high.

[0020] 5. The utility model provides a water retaining strip at the bottom of the water retaining plate to separate the two roller brushes, thereby realizing the separation of the dirt from the falling water on both sides.

[0021] 6. The utility model is provided with auxiliary wheel assemblies at both left and right ends of the outer sides of the roller brushes on both sides, which can overcome the additional pressure exerted on the roller brushes by the deformation of the joint assembly, and is conducive to the smooth operation of the roller brushes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the first embodiment of the utility model;

[0023] Figure 2 It is a three-dimensional structural schematic diagram of the support assembly of the utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the water spray assembly of the utility model;

[0025] Figure 4 It is a three-dimensional structural schematic diagram of the water spray assembly of the utility model;

[0026] Figure 5 This is a structural schematic diagram of the support assembly and the water spray assembly of the utility model (the dust cover on the support assembly is removed);

[0027] Figure 6 This is a three-dimensional structural diagram of the joint assembly and the hand-held rod in the first embodiment of the utility model;

[0028] Figure 7 This is a schematic diagram of the three-dimensional structure of the second embodiment of the present utility model;

[0029] Figure 8 This is a three-dimensional structural diagram of the joint assembly and the hand-held rod in the second embodiment of the utility model;

[0030] Fig. 9 This is a three-dimensional structural diagram of the joint assembly and the hand-held rod in the third embodiment of the present utility model;

[0031] Fig.10 This is a schematic diagram of the three-dimensional structure of the fifth embodiment of the utility model after removing the joint and the handle;

[0032] Fig.11 This is the second schematic diagram of the three-dimensional structure of the fifth embodiment of the utility model after removing the joint and the hand-held rod;

[0033] Fig.12 for Fig.10 , Fig.11 Installation structure diagram of the middle auxiliary wheel;

[0034] Wherein: 1 is a support assembly, 101 is a support tube, 102 is a mounting plate, 103 is a synchronous belt, 104 is a synchronous pulley, 105 is a bearing, 106 is a motor line, 107 is a connector assembly connection seat, and 108 is a dust cover;

[0035] 2 is a water spray assembly, 201 is a water baffle, 202 is a nozzle, 203 is a water baffle, 204 is a water return trough, 205 is a water delivery pipeline, and 206 is a nozzle rack;

[0036] 3 is a joint assembly, 301 is a spring joint assembly, 3011 is a spring upper fixing seat, 3012 is a spring, 3013 is a spring lower fixing seat, 302 is a universal joint assembly, 3021 is an articulated seat A, 3022 is a limit pin A, 3023 is an articulated seat B, 3024 is a limit pin B, 3025 is a single universal coupling connection seat, 303 is a multi-stage diaphragm joint, 3031 is a lower flange, 3032 is a primary isolation column, 3033 is a primary diaphragm, 3034 is a secondary isolation column, 3035 is a secondary diaphragm, and 3036 is an upper flange;

[0037] 4 is a roller brush, 5 is a hand-held rod;

[0038] 6 is an auxiliary wheel assembly, 601 is a sway bar, 602 is a longitudinal sway bar, 603 is an auxiliary wheel, 604 is a tension spring, 605 is a limiting bolt, 606 is a limiting waist hole, and 607 is a fixing bolt. DETAILED DESCRIPTION

[0039] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0040] Embodiment 1

[0041] like Figure 1 As shown, the photovoltaic panel cleaning tool of this embodiment includes a support assembly 1, a water spray assembly 2, a joint assembly 3, a roller brush 4 and a hand-held rod 5, wherein roller brushes 4 are rotatably installed on both sides of the support assembly 1, and the roller brushes 4 on both sides are driven to rotate from outside to inside by a power source installed on the support assembly 1; the water spray assembly 2 is installed on the support assembly 1, and nozzles 202 for spraying water to the roller brushes 4 on both sides are respectively provided on both sides of the water spray assembly 2; the lower end of the joint assembly 3 is installed on the support assembly 1, and the hand-held rod 5 is connected to the other end of the joint assembly 3, and the hand-held rod 5 can change the relative angle with the support assembly 1 through the joint assembly 3.

[0042] like Figure 1 , Figure 2 and Figure 5 As shown, the support assembly 1 of this embodiment includes a support member, a mounting plate 102 and a joint assembly connecting seat 107, and the two ends of the support member in the length direction are respectively fixed with the mounting plates 102, and the roller brushes 4 on both sides are respectively rotatably installed between the two mounting plates 102; the power source is located in the support member and is fixed to the support member or the mounting plate 102, and the output end of the power source is respectively connected to the brush shafts of the roller brushes 4 on both sides through a transmission mechanism, driving the roller brushes 4 on both sides to rotate in a direction from outside to inside; the top of the support member is fixed with a joint assembly connecting seat 107 for connecting to the joint assembly 3.

[0043] There are one or two power sources. When there is one power source, the output end of the power source passes through the mounting plate 102 on either side, and the transmission mechanism is located on the outside of the same mounting plate 102. The transmission mechanism includes a power source gear and a brush shaft gear. The output end of the power source is connected to the power source gear, and the same end of the brush shaft of the roller brush 4 on both sides passes through the same mounting plate 102 and is respectively meshed with the power source gear for transmission; when there are two power sources, the two power sources are respectively located at the two ends of the support in the length direction, and the output ends of the two power sources are respectively passed through the two mounting plates 102. There are two transmission mechanisms with the same structure, which are respectively located on the outside of the two mounting plates 102. Each transmission mechanism includes a synchronous belt 103 and two synchronous pulleys 104. The two synchronous pulleys 104 are respectively connected to the output end of a power source and the brush shaft of a roller brush 4, and the two synchronous pulleys 104 are connected for transmission through the synchronous belt 103.

[0044] The support member can be a support tube or a support plate. The support member of the present embodiment is a support tube 101. The power source of the present embodiment is a motor. Two motors are respectively arranged at the two ends of the support tube 101, and each motor is mounted on the mounting plate 102 at the same end. The two ends of the brush shaft of each roller brush 4 are rotatably connected to the mounting plate 102 through bearings 105. There are two transmission mechanisms in the present embodiment, and a transmission mechanism is respectively arranged on the outer side of each mounting plate 102. Each motor drives a roller brush 4 to rotate through a transmission mechanism; the transmission mechanism of the present embodiment includes a synchronous belt 103 and two synchronous pulleys 104; the synchronous belt 103 and synchronous pulley 104 of the present embodiment can also be replaced by sprockets and chains. When the motors at the two ends of the support tube 101 respectively drive the two roller brushes 4 to rotate, the roller brushes 4 rotate in opposite directions from outside to inside and from bottom to top.

[0045] In this embodiment, a joint assembly connection seat 107 is fixed at the middle position of the top of the support tube 101 for connecting the hand-held rod 5, and a motor line 106 is also arranged on the support tube 101; a dust cover 108 is installed on the outside of each mounting plate 102, and the dust cover 108 covers the transmission mechanism inside to prevent dust from falling on the transmission mechanism.

[0046] like Figures 1 to 5 As shown, the water spray assembly of this embodiment includes a water baffle 201, a nozzle 202, a water baffle 203, a water delivery pipeline 205 and a nozzle rack 206. The water baffle 201 is fixedly connected to the support tube 101 or two mounting plates 102 in the support assembly 1. Both sides of the water baffle 201 are provided with nozzle racks 206. One side of the nozzle rack 206 on each side is connected to the water baffle 201. The other side of the nozzle rack 206 on each side is provided with multiple nozzles 202 along the length direction (i.e., the axial direction of the roller brush 4). Each nozzle 202 is connected to the water source through the water delivery pipeline 205. A water baffle 203 is provided at the bottom of the water baffle 201. The water baffle 203 is located between the two roller brushes 4, which can realize the cleaning and separation of the falling water after the roller brushes 4 on both sides are cleaned.

[0047] The water retaining plate 201 of this embodiment is an inverted isosceles trapezoid, and the upper part is an open structure. The support pipe 101 is located in the isosceles trapezoid, and the middle position of the outer sides of the two waists of the isosceles trapezoid is fixed with a return groove 204; because the two roller brushes 4 rotate from outside to inside and from bottom to top, the water brought up by each roller brush 4 will splash to the position where the return groove 204 is installed, so the return groove 204 can play a role in blocking water. The return groove 204 of this embodiment is an inverted "U" shape.

[0048] In this embodiment, one side of the nozzle rack 206 is parallel to the upper base of the isosceles trapezoid, and the other side of the nozzle rack 206 is tilted downward. The nozzle 202 is installed on the edge of the other side of the nozzle rack 206. The water spraying direction of the nozzle 202 on each side is from outside to inside toward the bottom of the roller brush 4 on the same side.

[0049] like Figure 1 and Figure 6 As shown, the joint assembly 3 of this embodiment is a spring joint assembly 301, and the spring joint assembly 301 includes a spring upper fixing seat 3011, a spring 3012 and a spring lower fixing seat 3013. The spring lower fixing seat 3013 is fixed on the joint assembly connecting seat 107 in the support assembly 1, the lower end of the spring 3012 is fixedly connected to the spring lower fixing seat 3013, the upper end of the spring 3012 is fixedly connected to the spring upper fixing seat 3011, and the hand-held rod 5 is connected to the spring upper fixing seat 3011.

[0050] Embodiment 2

[0051] like Figure 7 , Figure 8 As shown, the difference between this embodiment and the first embodiment is that the joint assembly 3 of this embodiment is a universal joint assembly 302, which includes an articulated seat A3021, a limit pin A3022, an articulated seat B3023 and a limit pin B3024, the articulated seat A3021 is fixed on the joint assembly connecting seat 107 in the support assembly 1, one end of the articulated seat B3023 is articulated with the articulated seat A3021 through the limit pin A3022, and the other end of the articulated seat B3023 is connected to the hand-held rod 5 through the limit pin B3024. The rest is the same as the first embodiment.

[0052] Embodiment 3

[0053] like Fig. 9As shown, the difference between this embodiment and the first embodiment is that the joint assembly 3 of this embodiment is a multi-stage diaphragm coupling 303, which includes a lower flange 3031, an upper flange 3036, a multi-stage diaphragm and a multi-stage isolation column. The lower flange 3031 is fixed on the joint assembly connection seat 107 in the support assembly 1, and the hand-held rod 5 is connected to the upper flange 3036. A multi-stage diaphragm is arranged between the lower flange 3031 and the upper flange 3036, and between adjacent stage diaphragms and the first stage diaphragm 3033 The lower flange 3031 and the upper flange 3036 are connected to the last diaphragm through various isolation columns; that is, the lower flange 3031 is connected to the first diaphragm 3033 through the evenly distributed first isolation columns 3032, the first diaphragm 3033 is connected to the second diaphragm 3035 through the second isolation columns 3034 alternately distributed with the first isolation columns 3032, and so on, until the last diaphragm is connected to the upper flange 3036 through the isolation columns, and the upper flange 3036 is connected to the hand-held rod 5. The rest is the same as the first embodiment.

[0054] Embodiment 4

[0055] The difference between this embodiment and the first embodiment is that the joint assembly 3 of this embodiment is a universal coupling, and the two ends of the universal coupling are respectively connected to the joint assembly connection seat 107 and the hand-held rod 5 in the support assembly 1. The universal coupling of this embodiment is a prior art, which can be a cross-axis universal coupling, such as the WS and SW universal couplings of Jiangsu Ronghang Heavy Industry Technology Co., Ltd.; or a ball cage universal coupling, such as the BJ-D ball cage coupling of Jiangsu Ronghang Heavy Industry Technology Co., Ltd.

[0056] Embodiment 5

[0057] like Figures 10-12As shown, in the present embodiment, in the embodiments one to four, both left and right ends of the outer side of the roller brush 4 on each side are provided with auxiliary wheel assemblies 6, and the auxiliary wheel assembly 6 of the present embodiment comprises a lateral swing bar 601, a longitudinal swing bar 602, an auxiliary wheel 603, a tension spring 604 and a limiting bolt 605, the lateral swing bar 601 is hinged on the inner side surface of the mounting plate 102 in the support assembly 1, the longitudinal swing bar 602 is vertically arranged with the lateral swing bar 601, one end of the longitudinal swing bar 602 is fixedly connected with one end of the lateral swing bar 601, or one end of the longitudinal swing bar 602 is an integral structure with one end of the lateral swing bar 601 (one end of the longitudinal swing bar 602 is fixedly connected with one end of the lateral swing bar 601 in the present embodiment), An auxiliary wheel 603 is rotatably installed on the other end of the longitudinal sway bar 602, and a limiting waist hole 606 is provided at the other end of the transverse sway bar 601, and a limiting bolt 605 is inserted in the limiting waist hole 606. The limiting bolt 605 is threadedly connected to the mounting plate 102 in the support assembly 1. During the rotation of the transverse sway bar 601, the limiting bolt 605 is always located in the limiting waist hole 606; a fixing bolt 607 is provided on the inner side surface of the mounting plate 102, one end of the tension spring 604 is hung on the fixing bolt 607, and the other end of the tension spring 604 is connected to the other end of the transverse sway bar 601. The tension spring 604 pulls the transverse sway bar 601 to apply pressure to the auxiliary wheel 603.

[0058] When the joint assembly 3 is the spring joint assembly 301 of Example 1 or the multi-stage diaphragm coupling 303 of Example 3, when the spring joint assembly 301 or the multi-stage diaphragm coupling 303 is bent and deformed, the auxiliary wheel 603 can overcome the additional pressure exerted on the roller brush 4 by the deformation of the spring joint assembly 301 or the multi-stage diaphragm coupling 303, and keep the roller brush 4 running smoothly; at the same time, it can also limit the gap between the support assembly 1 and the ground, which is beneficial to the smooth operation of the roller brush 4.

[0059] When the joint assembly 3 is the universal joint assembly 302 of the second embodiment or the universal coupling of the fourth embodiment, the auxiliary wheel 603 is also conducive to the stable operation of the roller brush 4.

[0060] The working principle of the utility model is:

[0061] The water source supplies water to each nozzle 202 through the water delivery pipeline 205, and the nozzle 202 sprays water to the bottom of the roller brush 4. The two motors drive the two roller brushes 4 to rotate from outside to inside and from bottom to top. Holding the handle 5, move on the photovoltaic panel. The two roller brushes 4 can double clean the photovoltaic panel. The water baffle 201 blocks the splashing water to avoid secondary pollution of the splashing water. The joint assembly 3 can realize the flexible steering of the roller brush 4 and can also realize the "bow" movement of the roller brush 4.

Claims

1. A photovoltaic panel cleaning tool, characterized in that: The invention comprises a support assembly (1), a water spray assembly (2), a joint assembly (3), a roller brush (4) and a hand-held rod (5), wherein roller brushes (4) are rotatably mounted on both sides of the support assembly (1), and the roller brushes (4) on both sides are driven by a power source mounted on the support assembly (1) to rotate from outside to inside; the water spray assembly (2) is mounted on the support assembly (1), and nozzles (202) for spraying water to the roller brushes (4) on both sides are respectively arranged on both sides of the water spray assembly (2); the lower end of the joint assembly (3) is mounted on the support assembly (1), and the hand-held rod (5) is connected to the other end of the joint assembly (3), and the hand-held rod (5) can change its relative angle with the support assembly (1) through the joint assembly (3).

2. The photovoltaic panel cleaning tool according to claim 1, characterized in that: The support assembly (1) comprises a support member, a mounting plate (102) and a joint assembly connection seat (107); the two ends of the support member in the length direction are respectively connected to the mounting plates (102); the roller brushes (4) on both sides are respectively rotatably mounted between the two mounting plates (102); the power source is located in the support member and is fixedly connected to the support member or the mounting plate (102); the output end of the power source is respectively connected to the brush shafts of the roller brushes (4) on both sides through a transmission mechanism, driving the roller brushes (4) on both sides to rotate in an outward-inward direction; the top of the support member is fixedly connected to a joint assembly connection seat (107) for connecting to the joint assembly (3).

3. The photovoltaic panel cleaning tool according to claim 2, characterized in that: The power source is one or two. When the power source is one, the output end of the power source passes through the mounting plate (102) on either side. The transmission mechanism is located on the outside of the same mounting plate (102). The transmission mechanism comprises a power source gear and a brush shaft gear. The output end of the power source is connected to the power source gear. The same end of the brush shaft of the roller brush (4) on both sides passes through the same mounting plate (102) and is respectively meshed with the power source gear for transmission. When the power source is two, the two power sources are respectively located at the two ends of the length direction of the support. The output ends of the two power sources are respectively passed through the two mounting plates (102). The transmission mechanism is two with the same structure and is respectively located on the outside of the two mounting plates (102). Each of the transmission mechanisms comprises a synchronous belt (103) and two synchronous pulleys (104). The two synchronous pulleys (104) are respectively connected to the output end of one power source and the brush shaft of one roller brush (4). The two synchronous pulleys (104) are connected for transmission via the synchronous belt (103).

4. The photovoltaic panel cleaning tool according to claim 1, characterized in that: The water spraying direction of the nozzle (202) on each side is from outside to inside, spraying towards the bottom of the roller brush (4) on the same side.

5. The photovoltaic panel cleaning tool according to claim 1, characterized in that: The water spray assembly comprises a water baffle plate (201), a nozzle (202), a water baffle strip (203), a water delivery pipeline (205) and a nozzle rack (206); the water baffle plate (201) is fixedly connected to the support assembly (1); nozzle racks (206) are provided on both sides of the water baffle plate (201); one side of the nozzle rack (206) on each side is connected to the water baffle plate (201); a plurality of nozzles (202) are installed on the other side of the nozzle rack (206) along the length direction; each nozzle (202) is connected to a water source via a water delivery pipeline (205); and a water baffle strip (203) is provided at the bottom of the water baffle plate (201).

6. The photovoltaic panel cleaning tool according to claim 5, characterized in that: The water baffle (201) is an inverted isosceles trapezoid, and the upper part is an open structure. The outer sides of both sides of the isosceles trapezoid are fixedly connected with return water grooves (204); one side of the nozzle rack (206) is parallel to the upper base of the isosceles trapezoid, and the other side of the nozzle rack (206) is inclined downward, and the nozzle (202) is installed on the edge of the other side of the nozzle rack (206).

7. The photovoltaic panel cleaning tool according to claim 1, characterized in that: The joint assembly (3) is a spring joint assembly (301), the spring joint assembly (301) comprising a spring upper fixing seat (3011), a spring (3012) and a spring lower fixing seat (3013), the spring lower fixing seat (3013) being fixed on the support assembly (1), the lower end of the spring (3012) being fixedly connected to the spring lower fixing seat (3013), the upper end of the spring (3012) being fixedly connected to the spring upper fixing seat (3011), and the hand-held rod (5) being connected to the spring upper fixing seat (3011).

8. The photovoltaic panel cleaning tool according to claim 1, characterized in that: The joint assembly (3) is a multi-stage diaphragm coupling (303), which comprises a lower flange (3031), an upper flange (3036), a multi-stage diaphragm and a multi-stage isolation column. The lower flange (3031) is fixed to the support assembly (1), the hand-held rod (5) is connected to the upper flange (3036), a multi-stage diaphragm is arranged between the lower flange (3031) and the upper flange (3036), and adjacent stage diaphragms, a first stage diaphragm (3033) and the lower flange (3031), and the upper flange (3036) and the last stage diaphragm are connected via isolation columns of various levels.

9. The photovoltaic panel cleaning tool according to claim 1, characterized in that: The joint assembly (3) is a universal joint assembly (302) or a universal coupling. When the joint assembly (3) is a universal joint assembly (302), the universal joint assembly (302) comprises an articulated seat A (3021), a limit pin A (3022), an articulated seat B (3023) and a limit pin B (3024). The articulated seat A (3021) is fixed on the support assembly (1). One end of the articulated seat B (3023) is articulated with the articulated seat A (3021) via the limit pin A (3022). The other end of the articulated seat B (3023) is connected to the hand-held rod (5) via the limit pin B (3024). When the joint assembly (3) is a universal coupling, the two ends of the universal coupling are respectively connected to the support assembly (1) and the hand-held rod (5).

10. The photovoltaic panel cleaning tool according to any one of claims 1 to 9, characterized in that: Auxiliary wheel assemblies (6) are provided at both left and right ends of the outer side of the roller brush (4) on each side. The auxiliary wheel assembly (6) comprises a lateral swing bar (601), a longitudinal swing bar (602), an auxiliary wheel (603), a tension spring (604) and a limit bolt (605). The lateral swing bar (601) is hinged to the support assembly (1), one end of the longitudinal swing bar (602) is fixedly connected to one end of the lateral swing bar (601), or one end of the longitudinal swing bar (602) is fixedly connected to the lateral swing bar (601). 01) is an integrated structure, the other end of the longitudinal sway bar (602) is rotatably mounted with an auxiliary wheel (603), the other end of the lateral sway bar (601) is provided with a limiting waist hole (606), a limiting bolt (605) threadedly connected to the support assembly (1) is inserted into the limiting waist hole (606), one end of the tension spring (604) is connected to the support assembly (1), and the other end of the tension spring (604) is connected to the other end of the lateral sway bar (601).

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