Self-moving anti-seepage outdoor power distribution cabinet

Abstract

The utility model discloses a self-moving anti-seepage outdoor power distribution cabinet which comprises a cabinet body, a height adjusting mechanism and universal wheels. A rotating door is rotationally connected between the left side of the front end of the top wall and the left side of the front end of the bottom wall through a pin shaft, and a handle is fixedly connected to the front side face of the rotating door; the height adjusting mechanism comprises sliding grooves, supporting frames and supporting plates, the sliding grooves which are symmetrical up and down are formed in the left wall and the right wall of the cabinet body, the supporting frames are slidably connected into the sliding grooves, the supporting plates are fixedly connected between the close faces of the left supporting frame and the right supporting frame which are adjacent, and a first mounting plate is fixedly connected to the middle of the upper surface of the supporting plate on the upper side; the height of the interior of the self-moving anti-seepage outdoor power distribution cabinet can be adjusted, the self-moving anti-seepage outdoor power distribution cabinet adapts to the sizes and sizes of different power distribution elements through height adjustment and adapts to more complex working environments, and meanwhile moisture removal and dust removal are conducted at the heat dissipation position to avoid moisture infiltration.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution, in particular to a self-moving anti-seepage outdoor power distribution cabinet. Background Art

[0002] Power distribution is the link in the power system that directly connects to users and distributes electrical energy to them. Outdoor power distribution cabinets are required for power distribution:

[0003] Some traditional outdoor power distribution cabinets use internal distribution components to distribute power and provide safety protection for circuits;

[0004] There are some problems. The types and sizes of distribution components used in different usage scenarios are different, and distribution cabinets of different sizes need to be customized. In addition, when it rains or the air is humid, moisture can easily penetrate into the equipment through the heat dissipation holes, causing the equipment to become damp and damaged. For this reason, we propose a self-moving anti-seepage outdoor distribution cabinet. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a self-moving anti-seepage outdoor power distribution cabinet, which can adapt to different power distribution components through height adjustment, and can remove dust and moisture at the heat dissipation point to prevent moisture from seeping in, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-moving anti-seepage outdoor power distribution cabinet, comprising a cabinet body, a height adjustment mechanism and a movable mounting frame;

[0007] Cabinet: A revolving door is rotatably connected between the left front end of the top wall and the left front end of the bottom wall via a pin shaft, and a handle is fixedly connected to the front side of the revolving door;

[0008] Height adjustment mechanism: it includes a slide groove, a support frame and a second support plate, the left and right walls of the cabinet are provided with slide grooves symmetrical up and down, the inside of the slide grooves are slidably connected with support frames, the second support plate is fixedly connected between the adjacent surfaces of the left and right adjacent support frames, the middle part of the upper surface of the upper second support plate is fixedly connected with a mounting plate 1, the middle part of the upper surface of the lower second support plate is fixedly connected with a mounting plate 2, the right end of the front side of the mounting plate 1 is fixedly connected with an air switch, the left end of the front side of the mounting plate 1 is fixedly connected with an electricity meter, the front side of the mounting plate 2 is fixedly connected with a dual power automatic conversion switch, the output end of the air switch is electrically connected to the input end of the electricity meter, and the output end of the electricity meter is electrically connected to the input end of the dual power automatic conversion switch;

[0009] Mobile mounting bracket: It is fixedly connected to the lower surface of the cabinet. The lower end of the mobile mounting bracket is rotatably connected to a left-right symmetrical rotating support column. The front and rear ends of the rotating support column are fixedly connected to mobile rollers. The height inside can be adjusted to adapt to the sizes of different distribution components and to more complex working environments. At the same time, dehumidification and dust removal are performed at the heat dissipation location to prevent moisture infiltration.

[0010] Furthermore, the height adjustment mechanism includes a fixed mounting frame, a rotating shaft, a gear and a rack. The fixed mounting frame is symmetrically fixedly connected to the left front end of the cabinet body, the interior of the fixed mounting frame is rotatably connected to the rotating shaft, the middle end of the outer surface of the rotating shaft is fixedly sleeved with a gear, the rack is fixedly connected to the left side of the support frame on the left, and the rack is meshed with the adjacent gear on the same side, so that the height can be adjusted.

[0011] Furthermore, the height adjustment mechanism also includes a rotating knob, and the front side surfaces of the fixed mounting frames are fixedly connected to fixed locking frames, and the positions of the fixed locking frames correspond to the adjacent gear positions front and back, and the front ends of the rotating shafts pass through the front side surfaces of the adjacent fixed locking frames, and the front ends of the rotating shafts are fixedly connected to rotating knobs, and the rotating knobs are connected to the front side surfaces of the front and rear adjacent fixed locking frames through locking bolts, which saves manpower and can be locked quickly.

[0012] Furthermore, the rear end of the rotating shaft is fixedly connected to a limiting plate to play a limiting role.

[0013] Furthermore, the lower ends of the left and right sides of the cabinet are fixedly connected with front-to-back symmetrical sliding brackets, the interiors of the sliding brackets are slidably connected with sliding columns, the lower ends of the sliding columns are fixedly connected with first mounting frames, and the upper surfaces of the first mounting frames are provided with bolt connection ports for easy and quick installation.

[0014] Furthermore, an installation avoidance opening is opened at the upper end of the left side surface of the cabinet, and a second mounting frame is fixedly connected inside the installation avoidance opening. The rear side of the second mounting frame is connected to a locking cover through fixing bolts, and the internal front end of the second mounting frame is slidably connected to an activated carbon placement rack, which can prevent moisture from entering through the heat dissipation area.

[0015] Furthermore, a rain shelter is fixedly connected to the upper surface of the cabinet to prevent rainwater from seeping in.

[0016] Furthermore, the front ends of the upper surfaces of the mounting plate 1 and the mounting plate 2 are provided with wire avoidance grooves to facilitate wire routing.

[0017] Furthermore, a first support plate is fixedly connected to the lower end of the inner wall of the movable mounting frame, a motor is fixedly connected to the upper surface of the first support plate, a worm is fixedly connected to the left end of the output shaft of the motor, a worm is fixedly provided on the outer surface of the left rotating support column with a worm gear, and the worm gear is meshingly connected with the worm gear for power input.

[0018] Furthermore, a battery is fixedly connected to the rear left end of the bottom wall of the cabinet, a mounting mainboard is fixedly connected to the front left end of the bottom wall of the cabinet, a single-chip microcomputer is fixedly connected to the left end of the upper surface of the mounting mainboard, a WIFI receiver is fixedly connected to the right end of the upper surface of the mounting mainboard, the output end of the battery is electrically connected to the input end of the single-chip microcomputer, the WIFI receiver is bidirectionally electrically connected to the single-chip microcomputer, and the output end of the single-chip microcomputer is electrically connected to the input end of the motor.

[0019] Compared with the prior art, the beneficial effects of the utility model are: the self-moving anti-seepage outdoor power distribution cabinet has the following advantages:

[0020] 1. You can first unscrew the locking bolt, and then turn the rotating knob. The rotation of the rotating knob drives the rotating shaft to rotate, the rotation of the rotating shaft drives the gear to rotate, the rotation of the gear drives the rack to move up and down, the up and down movement of the rack drives the support frame to move up and down inside the slide slot, the up and down movement of the support frame drives the second support plate to move up and down, and then reset the locking bolt and lock the rotating knob again. In this way, the spacing between the second support plates and the spacing between the second support plate and the cabinet can be adjusted. When installing different distribution components and distribution equipment, it can be adapted through height adjustment to adapt to more complex working environments.

[0021] 2. When it rains, the rain is first blocked by the rain shelter, and then drips down along the slope of the rain shelter to prevent the rain from directly falling on the distribution box and seeping into the equipment. At the same time, the distribution components dissipate heat by installing avoidance ports. When humid air enters the equipment, it first passes through the activated carbon placement rack. Activated carbon is placed inside the activated carbon placement rack. The activated carbon absorbs moisture and dust in the humid air, and dry air enters the interior of the equipment, thereby removing dust and avoiding moisture, and preventing humid air from entering the equipment through the heat dissipation area. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a rear view structural diagram of the utility model;

[0024] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the right side of the utility model;

[0025] Figure 4 It is a schematic diagram of a partial cross-sectional structure of the front side of the utility model;

[0026] Figure 5 This is an enlarged structural diagram of point A of the utility model.

[0027] In the figure: 1 cabinet, 2 rotating door, 3 handle, 4 air switch, 5 electricity meter, 6 dual power automatic conversion switch, 7 height adjustment mechanism, 71 slide, 72 support frame, 73 fixed mounting frame, 74 rotating shaft, 75 gear, 76 rack, 77 rotating knob, 78 second supporting plate, 8 locking bolt, 9 limit plate, 10 sliding bracket, 11 sliding column, 12 first mounting frame, 13 bolt connection port, 14 second mounting frame, 15 locking cover, 16 fixing bolt, 17 activated carbon placement frame, 18 rain shelter, 19 mobile mounting frame, 20 wire avoidance groove, 21 mounting plate 1, 22 mounting plate 2, 23 rotating support column, 24 moving roller, 25 worm gear, 26 worm, 27 motor, 28 battery, 29 installation motherboard, 30 single chip microcomputer, 31 WIFI receiver, 32 first supporting plate. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1-5 , This embodiment provides a technical solution: a self-moving anti-seepage outdoor power distribution cabinet, including a cabinet body 1, a height adjustment mechanism 7 and a mobile mounting frame 19;

[0030] Cabinet 1: A revolving door 2 is rotatably connected between the left side of the front end of the top wall and the left side of the front end of the bottom wall through a pin shaft, a handle 3 is fixedly connected to the front side of the revolving door 2, the lower ends of the left and right sides of the cabinet 1 are fixedly connected to front and rear symmetrical sliding brackets 10, the interior of the sliding brackets 10 is slidably connected to the sliding columns 11, the lower ends of the sliding columns 11 are fixedly connected to the first mounting frame 12, the upper surface of the first mounting frame 12 is provided with a bolt connection port 13, the upper end of the left side surface of the cabinet 1 is provided with an installation avoidance port, the interior of the installation avoidance port is fixedly connected to the second mounting frame 14, the rear side of the second mounting frame 14 is connected to a locking cover 15 through a fixing bolt 16, and the second mounting frame 14 is fixedly connected to the locking cover 15 through a fixing bolt 16. The front end of the mounting frame 14 is slidably connected with an activated carbon placement rack 17, and the upper surface of the cabinet 1 is fixedly connected with a rain shelter rack 18. When it rains, rainwater is first blocked by the rain shelter rack 18, and rainwater drips downward along the inclined surface of the rain shelter rack 18 to prevent rainwater from directly falling on the distribution box and penetrating into the equipment. At the same time, the distribution components are heat-dissipated by installing avoidance ports. When humid air enters the equipment, it first passes through the activated carbon placement rack 17. Activated carbon is placed inside the activated carbon placement rack 17. The activated carbon absorbs moisture and dust in the humid air, and dry air enters the equipment, thereby removing dust and avoiding moisture, and preventing humid air from entering the equipment through the heat dissipation.

[0031] Height adjustment mechanism 7: It includes a slide groove 71, a support frame 72 and a second support plate 78. The left and right walls of the cabinet 1 are provided with slide grooves 71 symmetrical in upper and lower directions. The interior of the slide grooves 71 is slidably connected with support frames 72. The second support plate 78 is fixedly connected between the adjacent surfaces of the left and right adjacent support frames 72. The middle part of the upper surface of the upper second support plate 78 is fixedly connected with the mounting plate 1 21, and the middle part of the upper surface of the lower second support plate 78 is fixedly connected with the mounting plate 22. The right end of the front side of the mounting plate 1 21 is fixedly connected with the air switch 4, and the left end of the front side of the mounting plate 1 21 is fixedly connected with the power meter 5. The mounting plate 2 2 The front side of the cabinet 2 is fixedly connected with a dual power automatic transfer switch 6, the output end of the air switch 4 is electrically connected to the input end of the electricity meter 5, and the output end of the electricity meter 5 is electrically connected to the input end of the dual power automatic transfer switch 6. The height adjustment mechanism 7 includes a fixed mounting frame 73, a rotating shaft 74, a gear 75 and a rack 76. The fixed mounting frame 73 is fixedly connected to the front end of the left side of the cabinet 1 symmetrically up and down, and the interior of the fixed mounting frame 73 is rotatably connected to the rotating shaft 74. The middle end of the outer surface of the rotating shaft 74 is fixedly sleeved with a gear 75. The racks 76 are fixedly connected to the left side of the support frame 72 on the left side, and the racks 76 are connected to the adjacent gears 7 on the same side. 5 meshing connection, the height adjustment mechanism 7 also includes a rotating knob 77, the front side of the fixed mounting frame 73 is fixedly connected with a fixed locking frame, the position of the fixed locking frame corresponds to the position of the adjacent gear 75, the front end of the rotating shaft 74 passes through the front side of the adjacent fixed locking frame, the front end of the rotating shaft 74 is fixedly connected with a rotating knob 77, the rotating knob 77 is connected to the front side of the front and rear adjacent fixed locking frames through the locking bolt 8, the rear end of the rotating shaft 74 is fixedly connected with the limit plate 9, the front end of the upper surface of the mounting plate 1 21 and the mounting plate 22 are provided with a wire avoidance groove 20, the locking bolt 8 can be unscrewed first, and then the rotating shaft 74 is rotated. The rotating knob 77 is turned, and the rotating knob 77 rotates to drive the rotating shaft 74 to rotate. The rotating shaft 74 rotates to drive the gear 75 to rotate. The gear 75 rotates to drive the rack 76 to move up and down. The rack 76 moves up and down to drive the support frame 72 to move up and down inside the slide slot 71. The support frame 72 moves up and down to drive the second support plate 78 to move up and down, and then the locking bolt 8 is reset, and the rotating knob 77 is locked again. In this way, the spacing between the second support plates 78 and the spacing between the second support plate 78 and the cabinet 1 can be adjusted. When installing different distribution components and distribution equipment, it can be adapted through height adjustment to adapt to a more complex working environment;

[0032] The movable mounting frame 19 is fixedly connected to the lower surface of the cabinet 1. The lower end of the movable mounting frame 19 is rotatably connected to a left-right symmetrical rotating support column 23. The front and rear ends of the rotating support column 23 are fixedly connected to movable rollers 24. The lower end of the inner wall of the movable mounting frame 19 is fixedly connected to a first supporting plate 32. The upper surface of the first supporting plate 32 is fixedly connected to a motor 27. The left end of the output shaft of the motor 27 is fixedly connected to a worm 26. The outer surface of the left rotating support column 23 is fixedly sleeved with a worm gear 25. The worm gear 25 The cabinet body 1 is meshed with the worm 26, and a battery 28 is fixedly connected to the rear side of the left end of the bottom wall of the cabinet body 1, and a mounting mainboard 29 is fixedly connected to the front side of the left end of the bottom wall of the cabinet body 1, and a single-chip computer 30 is fixedly connected to the left end of the upper surface of the mounting mainboard 29, and a WIFI receiver 31 is fixedly connected to the right end of the upper surface of the mounting mainboard 29, the output end of the battery 28 is electrically connected to the input end of the single-chip computer 30, the WIFI receiver 31 is bidirectionally electrically connected to the single-chip computer 30, and the output end of the single-chip computer 30 is electrically connected to the input end of the motor 27.

[0033] The working principle of a self-moving anti-seepage outdoor power distribution cabinet provided by the utility model is as follows: during installation, the staff can issue a control command through an external controller, and the WIFI receiver 31 receives the control command with the support of the wireless network. The WIFI receiver 31 converts the control command into an electrical signal and transmits it to the single-chip microcomputer 30. The single-chip microcomputer 30 controls the motor 27 to operate, and the operation of the motor 27 drives the worm 26 to rotate, and the rotation of the worm 26 drives the worm wheel 25 to rotate, and the rotation of the worm wheel 25 drives the left rotating support column 23 to rotate, thereby driving the moving roller 24 to roll, so that the cabinet body 1 is moved. When it moves to the installation position, the staff puts down the mounting frame 12 to contact the ground, then connects it to the ground through the bolt connection port 13, and seals the fixed mounting frame 73 through the sealing plate. The staff can first unscrew the locking bolt 8, and then turn the rotation knob 77. The rotation of the rotation knob 77 drives the rotation shaft 74 to rotate, the rotation of the rotation shaft 74 drives the gear 75 to rotate, the rotation of the gear 75 drives the rack 76 to move up and down, the up and down movement of the rack 76 drives the support frame 72 to move up and down inside the slide slot 71, the up and down movement of the support frame 72 drives the second support plate 78 to move up and down, and then The locking bolt 8 is reset and the rotating knob 77 is locked again, thereby adjusting the distance between the second support plates 78 and the distance between the second support plates 78 and the cabinet 1. It can be adapted through height adjustment when installing different distribution components and distribution equipment to adapt to more complex working environments. When it rains, rainwater is first blocked by the rain shelter 18, and rainwater drips downward along the inclined surface of the rain shelter 18 to prevent rainwater from directly falling on the distribution box and penetrating into the equipment. At the same time, the distribution components are cooled by installing avoidance ports. When humid air enters the equipment, it first passes through the activated carbon placement rack 17. Activated carbon is placed inside the charcoal rack 17. The activated carbon absorbs moisture and dust in the humid air, and dry air enters the interior of the equipment, thereby removing dust and avoiding moisture, and preventing humid air from entering the interior of the equipment through the heat dissipation point. In power distribution, the external power supply is first electrically connected to the air switch 4, and the air switch 4 transmits current to the electricity meter 5. The electricity meter 5 displays the electricity. The current flows through the electricity meter 5 and is finally transmitted to the dual power automatic transfer switch 6. The dual power automatic transfer switch 6 is connected to other power supply equipment at the same time. When other power supply equipment is damaged, this circuit is automatically switched for power output.

[0034] It is worth noting that the air switch 4 disclosed in the above embodiments can be selected from DZ47s, the power meter 5 can be selected from OHR-C100, the dual power automatic transfer switch 6 can be selected from CDQ0S, the single-chip microcomputer 30 can be selected from STC89C52RC, the WIFI receiver 31 can be selected from ESP8266, the motor 27 can be selected from YS90, and the single-chip microcomputer 30 controls the motor 27 using common methods in the prior art.

[0035] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A self-moving anti-seepage outdoor power distribution cabinet, characterized in that: It comprises a cabinet (1), a height adjustment mechanism (7) and a movable mounting frame (19); Cabinet body (1): a rotating door (2) is rotatably connected between the left front end of the top wall and the left front end of the bottom wall via a pin shaft, and a handle (3) is fixedly connected to the front side of the rotating door (2); A height adjustment mechanism (7): comprising a slide groove (71), a support frame (72) and a second support plate (78), wherein the left and right walls of the cabinet (1) are provided with slide grooves (71) symmetrical in upper and lower directions, the interior of the slide grooves (71) is slidably connected to the support frame (72), the second support plate (78) is fixedly connected between the adjacent surfaces of the left and right adjacent support frames (72), the middle part of the upper surface of the upper second support plate (78) is fixedly connected to the first mounting plate (21), the middle part of the upper surface of the lower second support plate (78) is fixedly connected to the second mounting plate (22), the right end of the front side surface of the first mounting plate (21) is fixedly connected to the air switch (4), the left end of the front side surface of the first mounting plate (21) is fixedly connected to the electricity meter (5), the front side surface of the second mounting plate (22) is fixedly connected to the dual power automatic conversion switch (6), the output end of the air switch (4) is electrically connected to the input end of the electricity meter (5), and the output end of the electricity meter (5) is electrically connected to the input end of the dual power automatic conversion switch (6); A movable mounting frame (19) is fixedly connected to the lower surface of the cabinet (1); the lower end of the movable mounting frame (19) is rotatably connected to a left-right symmetrical rotating support column (23); and the front and rear ends of the rotating support column (23) are fixedly connected to movable rollers (24).

2. A self-moving anti-seepage outdoor power distribution cabinet according to claim 1, characterized in that: The height adjustment mechanism (7) comprises a fixed mounting frame (73), a rotating shaft (74), a gear (75) and a rack (76); the fixed mounting frame (73) is fixedly connected to the front end of the left side of the cabinet (1) in a vertically symmetrical manner; the interior of the fixed mounting frame (73) is rotatably connected to the rotating shaft (74); the middle end of the outer surface of the rotating shaft (74) is fixedly sleeved with a gear (75); the racks (76) are fixedly connected to the left side surface of the left support frame (72); and the racks (76) are meshingly connected to the adjacent gears (75) on the same side.

3. A self-moving anti-seepage outdoor power distribution cabinet according to claim 2, characterized in that: The height adjustment mechanism (7) further comprises a rotating knob (77), the front side surfaces of the fixed mounting frames (73) are fixedly connected to fixed locking frames, the positions of the fixed locking frames correspond to the positions of the adjacent gears (75) in front and back, the front ends of the rotating shafts (74) pass through the front side surfaces of the adjacent fixed locking frames, the front ends of the rotating shafts (74) are fixedly connected to rotating knobs (77), and the rotating knobs (77) are connected to the front side surfaces of the adjacent fixed locking frames in front and back through locking bolts (8).

4. A self-moving anti-seepage outdoor power distribution cabinet according to claim 2, characterized in that: The rear ends of the rotating shafts (74) are fixedly connected to the limiting disk (9).

5. The self-moving anti-seepage outdoor power distribution cabinet according to claim 1 is characterized in that: The lower ends of the left and right sides of the cabinet (1) are fixedly connected to front and rear symmetrical sliding brackets (10), the interior of the sliding brackets (10) is slidably connected to sliding columns (11), the lower ends of the sliding columns (11) are fixedly connected to first mounting frames (12), and the upper surfaces of the first mounting frames (12) are provided with bolt connection openings (13).

6. The self-moving anti-seepage outdoor power distribution cabinet according to claim 1 is characterized in that: The upper end of the left side surface of the cabinet (1) is provided with an installation avoidance opening, a second installation frame (14) is fixedly connected inside the installation avoidance opening, a locking cover (15) is connected to the rear side of the second installation frame (14) via a fixing bolt (16), and an activated carbon placement frame (17) is slidably connected to the inner front end of the second installation frame (14).

7. The self-moving anti-seepage outdoor power distribution cabinet according to claim 1 is characterized in that: A rain shelter (18) is fixedly connected to the upper surface of the cabinet (1).

8. The self-moving anti-seepage outdoor power distribution cabinet according to claim 1 is characterized in that: The front ends of the upper surfaces of the mounting plate 1 (21) and the mounting plate 2 (22) are both provided with wire avoidance grooves (20).

9. The self-moving anti-seepage outdoor power distribution cabinet according to claim 1, characterized in that: A first support plate (32) is fixedly connected to the lower end of the inner wall of the mobile mounting frame (19), a motor (27) is fixedly connected to the upper surface of the first support plate (32), a worm (26) is fixedly connected to the left end of the output shaft of the motor (27), and a worm wheel (25) is fixedly sleeved on the outer surface of the left rotating support column (23), and the worm wheel (25) is meshingly connected to the worm wheel (26).

10. The self-moving anti-seepage outdoor power distribution cabinet according to claim 9, characterized in that: A storage battery (28) is fixedly connected to the rear side of the left end of the bottom wall of the cabinet (1); a mounting mainboard (29) is fixedly connected to the front side of the left end of the bottom wall of the cabinet (1); a single-chip computer (30) is fixedly connected to the left end of the upper surface of the mounting mainboard (29); a WIFI receiver (31) is fixedly connected to the right end of the upper surface of the mounting mainboard (29); an output end of the storage battery (28) is electrically connected to an input end of the single-chip computer (30); the WIFI receiver (31) is bidirectionally electrically connected to the single-chip computer (30); and an output end of the single-chip computer (30) is electrically connected to an input end of the motor (27).

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