TW201347365A - Motor unit of electric sun shading device and method for assembling motor unit of electric sun shading device - Google Patents

Abstract

In the motor unit of an electric sun shading device in which the base member of the motor unit that houses the motor is attached at the end of a rail that transports a sun shading material and the sun shading material is transported along the rail by the action of the motor unit, the present invention makes it possible to secure a motor assembly provided with a motor (8) united with a power source circuit board (11) and a control circuit board (12) to the base member (15) via securing fittings (20, 26, 36) and makes it possible to house the motor assembly, the power source circuit board (11) and control circuit board (12) that have been secured as a unit to the base member (15) inside a motor case (7).

Description

Motor unit for electric sunshade shielding device and electric sunshade Assembly method of motor unit

The present invention relates to an electric curtain that utilizes the driving force of a motor to transfer a curtain fabric along a curtain rail, and more particularly to a motor unit mounted on a curtain rail.

The electric curtain uses the driving force of the motor to transfer the transfer belt movably supported in the curtain track, and the transfer belt is used to transfer the front end sliding member that supports the front edge of the curtain fabric, thereby transferring the curtain fabric along the curtain track. .

In such an electric curtain, a motor unit is attached to one end of a curtain rail, and a transfer belt is transferred based on the operation of the motor unit.

In addition to the motor, the motor unit is provided with a control board for controlling the operation of the motor, and a power source board for supplying power to the motor and the control board, and is connected to the signal line and the combination socket by an operation switch or the like disposed outside the motor unit. The module substrate or the like of the control substrate.

Patent Document 1 and Patent Document 2 disclose a motor unit having a motor in a housing and controlling Department and power supply unit or module power cord.

[Prior Art Literature]

[Patent Literature]

[Patent Document 1] Japanese Laid-Open Patent Publication No. 2010-167119

[Patent Document 2] French Patent Application Publication No. 2938413

In the motor unit disclosed in Patent Document 1, the motor fixing portion, the control substrate, and the power supply unit are separately formed. Therefore, it is necessary to sequentially store the motor fixing portion, the control board, and the power supply unit in the motor casing, which causes complicated assembly work.

Moreover, it is necessary to make the signal wires connecting the motor, the control substrate, and the power supply portion long enough to avoid obstacles during assembly, which may cause signal lines in the motor casing to be entangled after assembly, and an excessively long signal line may be possible. A malfunction occurs due to external interference, or radiation noise is increased.

In the motor unit disclosed in Patent Document 2, the module power supply line is pulled from the lower portion of the casing to the upper portion and connected, causing complicated connection work.

An object of the present invention is to provide a motor unit of an electric sunlight shielding device capable of simplifying assembly work.

According to a first aspect of the invention, a motor unit for an electric sunlight shielding device is provided, and a base member of a motor unit in which a motor is housed is attached to an end portion of a rail on which a sunlight shielding member is transferred, and is transferred along a track according to an operation of the motor unit. In the sunshade shielding member, the motor unit is characterized in that a motor assembly including the motor, a power supply substrate, and a control substrate are integrally fixed to the base member by a fixing member, and the base member is integrally fixed to the base member The motor assembly, the power supply substrate, and the control substrate can be inserted into a motor housing formed in a cylindrical shape.

In a second aspect, the motor unit of the electric sunlight shielding device according to claim 1, wherein the base member or the fixing member is integrally mounted with the module substrate. The module base has an opening portion on which the module base body can be mounted, and the module base body is provided with an engaging groove through which an opening edge of the opening portion can be inserted.

In the third aspect, a base member that integrally fixes the motor assembly, the power source substrate, the control substrate, and the module base body is inserted from one end of the motor housing, whereby the The base member is mounted on one end of the motor housing, and a unit cover that plugs the other end of the motor housing is mounted at the other end of the motor housing.

In the fourth aspect, a switch substrate is connected to the control substrate, and the switch substrate can be mounted on an inner side surface of the unit cover.

In the fifth aspect, a button switch and a display lamp are disposed on the switch substrate, in the unit The cover is provided with an operation hole for exposing the push button switch, and a display hole for exposing the display lamp.

In the sixth aspect, the unit cover is provided with a guide piece for positioning the control substrate.

In the seventh aspect, the fixing member is provided with a clutch and a sensor portion.

In the eighth aspect, the control substrate and the clutch and the sensor portion are electrically connected and can be inserted into the motor housing.

According to a ninth aspect, the motor casing is formed in a tubular shape having a horizontally wide cross section, and a power supply wire is introduced from an upper end portion of the short side of the motor casing, and is guided to a lower power supply substrate via a side of the fixing member. .

In the tenth aspect, the signal line of the clutch passes between the inner side surface of the short side of the motor casing and the fixing member and is guided to the lower side, and is guided to the control substrate along the substrate fixing member to be connected.

In the eleventh aspect, the signal line of the sensor portion passes between the inner side surface of the short side of the motor casing and the fixing member and is guided to the lower side, and is guided to the control substrate along the substrate fixing member. And being connected.

According to a twelfth aspect, the motor component, the power source substrate, the control substrate, and the module substrate are integrally fixed to the base member by a fixing member, and the motor assembly is integrally fixed. The power substrate, the control substrate, and the module substrate are inserted into the motor housing, and the base member is fixed to the motor housing.

According to the present invention, it is possible to provide a motor unit of an electric sunlight shielding device that simplifies assembly work.

1‧‧‧ Curtain track

10‧‧‧Sensor Department

11‧‧‧Power substrate

12‧‧‧Control substrate

13‧‧‧Switch substrate

14‧‧‧Module substrate

15‧‧‧Base parts

16‧‧‧Motor bracket

17‧‧‧Clocks

18‧‧‧stop device

19‧‧‧Fixed parts

20‧‧‧Fixed parts

21‧‧‧Anti-vibration bushing

22‧‧‧上上

23‧‧‧ Side

24‧‧‧ side

25‧‧‧Sensor substrate

26‧‧‧Motor fixings

27‧‧‧ horizontal side

28‧‧‧ upper side

29‧‧‧Bottom side

2a, 2b‧‧‧ curtain fabric

30‧‧‧Anti-vibration bushing

31‧‧‧Anti-vibration bushing

32‧‧‧ Output shaft

33‧‧‧ Input shaft

34‧‧‧ Output shaft

35‧‧‧Motor components

36‧‧‧Substrate fasteners

37‧‧‧ screws

38‧‧‧ socket

39‧‧‧Modular substrate

3a, 3b‧‧‧ front-end sliding parts

40‧‧‧ screws

41‧‧‧ side

42‧‧‧ square hole

43‧‧‧ Keeping Department

44‧‧‧Power cord

45‧‧‧Clock Department

46‧‧‧ snap groove

47‧‧‧ openings

48‧‧‧ snap groove

49‧‧‧ signal line

4a, 4b‧‧‧ sliding parts

50‧‧‧unit cover

51‧‧‧ horizontal side

Mounting hole for 52‧‧‧

53‧‧‧ stiffeners

54‧‧‧Operation hole

55‧‧‧ display hole

56‧‧‧Mounting holes

57‧‧‧ screws

58a, 58b‧‧‧ button switch

59‧‧‧ display lights

5a, 5b‧‧‧transfer device

6‧‧‧Motor unit

60‧‧‧ socket

61‧‧‧ signal line

62‧‧‧ Guide groove

63‧‧‧Installation holes

64‧‧‧Leading piece

67‧‧‧ inserted through hole

68‧‧‧Incision

7‧‧‧Motor housing

70‧‧‧

8‧‧‧Motor

9‧‧‧Clutch

[Fig. 1] A front view of an electric curtain.

Fig. 2 is a cross-sectional view of the motor unit.

Fig. 3 is a bottom view showing the internal structure of the motor unit.

Fig. 4 is an exploded side view showing the fixing member.

[Fig. 5] A bottom view of the unit cover.

Fig. 6 is a front view of the module substrate.

Fig. 7 is a front view of the motor assembly.

Fig. 8 is a side view of the motor assembly.

Fig. 9 is a plan view of the anti-vibration fixing member.

Fig. 10 is an exploded perspective view showing the motor housing and the module base.

Fig. 11 is a perspective view of a base member.

Fig. 12 is a plan view of the unit cover.

Fig. 13 is a schematic view showing the noise characteristics of the motor unit.

Hereinafter, an embodiment of an electric curtain (electric sunlight shielding device) will be described with reference to the drawings. Figure 1 shows In the electric curtain that is unfolded to the left and right sides, the curtain fabric (sunlight shield) 2a, 2b is pulled out from the both ends of the curtain rail 1 toward the center, or the curtain fabric is folded from the center portion to the both ends of the curtain rail 1 2a, 2b.

The curtain rail 1 movably supports a pair of front end sliding members 3a, 3b, and a plurality of sliding members 4a are movably supported between the front end sliding member 3a and the right end of the curtain rail 1. Further, a plurality of sliding members 4b are movably supported between the front end sliding member 3b and the left end of the curtain rail 1.

Further, the curtain fabric 2a on one side is suspended and supported by the front end sliding member 3a and the sliding member 4a, and the curtain fabric 2b on the other side is suspended and supported by the front end sliding member 3b and the sliding member 4b.

Transfer devices 5a, 5b are attached to the left and right ends of the curtain rail 1, and an endless transfer belt that can move inside the curtain rail 1 is hung on the transfer devices 5a, 5b.

Further, the motor unit 6 is suspended and supported by the transfer device 5a on the right end side of the curtain track 1, and the transfer belt is moved in the curtain rail 1 by the driving force of the motor disposed in the motor unit 6.

Further, the front end sliding members 3a, 3b are moved toward the center portion of the curtain rail 1 by the rotation of the motor in the forward and reverse directions, or are moved toward both end portions of the curtain rail 1.

Next, the structure of the motor unit 6 mounted in the transfer device 5a will be described.

As shown in FIGS. 2 and 3, in the motor unit 6, a motor 8, a clutch 9, and a sensor portion are housed in a motor housing 7 formed by a corner portion of a rectangular portion and a substantially rectangular tubular material. 10. The power substrate 11, the control substrate 12, the switch substrate 13, and the module substrate 14 and the like.

Further, by operating an operation switch (not shown) connected to the module substrate 14 by a cable, the operation of the motor 8 is controlled by a control circuit mounted on the control board 12.

A motor bracket 16 made of a metal plate is fixed to the surface of the base member 15 attached to the upper end of the motor casing 7, and a pair of engaging pieces 17 are formed upward on the motor bracket 16. Further, a stopper device 18 is provided on the surface side of the base member 15.

When the motor unit 6 is attached to the transfer device 5a, the motor unit 6 is rotated in the horizontal direction while the engagement piece 17 is inserted into the mounting hole formed in the bottom of the transfer device 5a. Then, while the engaging piece 17 is held in the mounting hole, the stopper 18 acts to keep the motor unit 6 in an unrotatable state, whereby the motor unit 6 is suspended and supported by the transfer device 5a.

An anti-vibration fixing member 19 is attached to the bottom of the base member 15, and a unit fixing member 20 is mounted under the anti-vibration fixing member 19 via the anti-vibration bushing 21. As shown in FIG. 9, the vibration-proof fixing member 19 and the unit fixing member 20 are connected by three vibration-proof bushings 21 so as to surround the insertion hole 67 of the output shaft.

As shown in FIG. 4, the unit fixing member 20 is formed by bending a metal plate to form side edges 23, 24 on both sides of the upper side 22, and the clutch 9 and the sensor portion 10 are mounted between the side edges 23, 24. . Further, a sensor substrate 25 is mounted on the side 23 .

On the unit fixing member 20, a motor fixing member 26 is attached via the vibration isolating bushings 31, 32. The motor fixing member 26 is formed by bending a metal plate into a crank shape, thereby forming a horizontal side constituting the intermediate portion. 27, an upper side 28 extending upward from the side of the horizontal side 27, and a lower side 29 extending downward from the other side of the horizontal side 27.

Further, the upper side 28 is mounted on the side 24 of the unit fixing member 20 via the vibration isolating bushing 30. As shown in FIG. 8, the lower side 29 is mounted on the side of the unit fixing member 20 via the two vibration isolating bushings 31. Side 23.

The motor 8 is mounted on the horizontal side 27 of the motor mount 26. Further, the output shaft 32 of the motor 8 is connected to the input shaft 33 of the clutch 9 in a rotationally fixed manner. Further, the output shaft 34 extending from the clutch 9 serves as an output shaft of the motor unit 6, and protrudes upward via the unit fixture 20, the vibration-proof fixing member 19, the base member 15, and the motor bracket 16. Thereby, the motor unit 35 shown in Fig. 7 is constructed.

The end of the substrate holder 36 is attached to the lower side 29 of the motor holder 26 by a screw 37. Further, the power source substrate 11 and the control substrate 12 are mounted on the substrate holder 36. The thickness of the substrate holder 36 is 75% of the thickness of the motor fixture 26.

As shown in FIG. 2, a plurality of sets of signal lines are connected to the control substrate 12 through respective sockets 38, connected to the clutch 9 via signal lines 49, and connected to the motor 8 and the switch substrate 13 through other signal lines. Module substrate 14.

The module substrate 14 is fixed to the module base 39 by screws 40, and the module base 39 is mounted to the base member 15.

As shown in FIG. 6 and FIG. 10, the pair of side edges 41 of the module base 39 are arranged in the vertical direction. Two quadrangular holes 42 are formed, and a holding portion 43 recessed in a quadrangular shape is formed above the quadrangular hole 42. Further, the module cable can be inserted into the module socket provided in the module board 14 through the quadrangular hole 42, and the cube-shaped engaging portion 45 provided in the intermediate portion of the power source line 44 is fitted into the holding portion 43. The outer peripheral surface of the engaging portion 45 is formed with an engaging groove 46 that can be inserted into the opening edge of the holding portion 43.

The upper edge of the motor housing 7 is formed with an opening portion 47 into which the module base 39 can be inserted. The side edge 41 of the module base 39 is formed with an engaging groove 48 through which the opening edge of the opening portion 47 can be inserted. Thereby, the module base 39 can be inserted into the opening portion 47 from above the motor housing 7.

Also, the other side upper edge of the motor housing 7 is formed with a slit 68 into which the stopper 18 can be inserted.

The power supply wire 44 is held on the holding portion 43 so as not to be movable in the longitudinal direction thereof. Further, as shown in FIG. 2, in the motor casing 7, the power supply line 44 extends from the module base 39 through the vicinity of the clutch 9 and the motor 8 to the power supply substrate 11, and is connected to the power supply substrate 11.

As shown in FIG. 11, a protrusion 70 is formed on the bottom surface side of the base member 15, and the engagement groove 46 of the engagement portion 45 of the power cord 44 can be fitted into the protrusion 70. Mounting holes 63 are formed at the four corners of the base member 15, and the mounting holes 63 correspond to the ribs 53 formed at the four corners of the inner side surface of the motor casing 7. Further, on the bottom surface of the base member 15, a guide piece 64 is formed in the vicinity of the periphery on the long side, and the guide piece 64 is guided inside the inner side surface of the motor casing 7, and the base member 15 is positioned relative to the motor casing 7.

Further, the power cord 44 is positioned by the engaging portion 45 on the base member 15, and the module base 39 attached to the unit fixture 20 is inserted into the opening 47 of the motor casing 7 to fit the guide piece 64 to The inner side surface of the motor casing 7 is positioned while the center of the mounting hole 63 and the rib 53 are substantially aligned. In this state, the screw is screwed into the rib 53 from above the mounting hole 63, whereby the base member 15 is fixed to the motor housing 7. At this time, the module base 39 is snap-fitted and held by the base member 15 and the opening portion 47 of the motor housing 7.

A unit cover 50 is attached to a lower end portion of the motor housing 7. As shown in FIG. 5, the unit cover 50 is fixed to the rib 53 in the motor housing 7 by screws, respectively, through mounting holes 52 provided at the four corners of the horizontal side 51 constituting the bottom side of the motor housing. .

Further, in the central portion of the horizontal side 51, a pair of operation holes 54 and display holes 55 between the operation holes 54 are linearly arranged along the longitudinal direction of the horizontal side 51.

The switch substrate 13 is mounted on the inner side of the horizontal side 51. The switch substrate 13 is attached to a mounting hole 56 (see FIG. 12) provided in the vicinity of the display hole 55 by a screw 57. The switch board 13 is provided with push button switches 58a, 58b and a display lamp 59. The push button switches 58a, 58b are exposed in the operation holes 54, and the display lamps 59 are exposed in the display holes 55. Further, the control board 12 is connected to the socket 60 and the signal line 61 mounted on the switch substrate 13.

The switch board 13 is for setting an operation mode of the motor 8, and switches the mode by pressing the push button switch 58a exposed in the operation hole 54, and sets the mode by pressing the push button switch 58b. The display lamp 59 displays the setting contents when the mode setting operation is performed.

In the unit cover 50, a lower position of the control substrate 12 is provided with a guiding control substrate 12 Guide grooves 62 at the lower ends of the two side edges. Further, when the unit cover 50 is attached to the motor housing 7, the side edges of the lower end of the control board 12 are inserted into the guide grooves 62, so that the mounting holes 52 of the unit cover 50 and the motor housing 7 can be easily reinforced. The alignment between the ribs 53. Further, when the unit cover 50 is fixed to the motor case 7, the motor case 7 is kept in the vertical direction, and a gap can be secured between the control board 12 and the guide groove 62. Therefore, the vibration of the control board 12 is not transmitted to Unit cover 50. The side edge of the control substrate 12 is held on the guide groove 62 in a state where the motor housing 7 is maintained in the horizontal direction.

The power supply line 44 is introduced from the upper end portion on the short side of the tubular motor casing 7 having a wide cross section, and is guided to the lower power supply substrate 11 via the side of the fixing members 19, 20, and 26.

Further, the signal line of the clutch 9 passes between the inner side surface of the short side of the motor casing 7 and the fixing members 20, 26 and is guided downward, and is guided to the control board 12 along the substrate fixing member 36 to be connected.

Further, the signal line of the sensor portion 10 passes between the inner side surface of the short side of the motor housing 7 and the fixing members 20, 26 and is guided downward, and is guided to the control substrate along the substrate fixing member 36. 12 is connected.

Next, the assembly procedure of the above motor unit 6 will be described. First, the motor bracket 16 is attached to the base member 15, and the clutch 9 and the sensor portion 10 are attached to the unit fixture 20. Further, the vibration-proof fixing member 19 is attached to the unit fixing member 20 via the vibration-proof bushing 21, and then the vibration-proof fixing member 19 is attached to the base member 15.

Next, the motor mount 26 to which the motor 8 is mounted is attached to the unit by the vibration isolating bushings 30, 31. On the piece, the motor assembly 35 is thus formed.

Next, the module base 39 on which the module substrate 14 and the power supply line 44 are mounted is attached to the base member 15. At this time, the engagement groove 46 of the engaging portion 45 of the power supply wire 44 and the protrusion 70 of the base member 15 are engaged with each other.

Next, the power board 11 and the control board 12 are mounted on the board holder 36, the power line 44 is connected to the power board 11, and each signal line is connected to the control board 12. Further, the substrate holder 36 is attached to the motor fixture 26 by screws 37. Further, the switch substrate 13 is connected to the control substrate 12 through the signal line 61.

Next, the motor unit 35 to which the substrate holder 36 and the module base 39 are mounted is inserted from above the motor housing 7. At this time, it is inserted into the motor case 7 from the side of the control board 12.

Further, when the module base 39 is engaged with the opening of the motor case 7, and the base member 15 is fixed to the motor case 7, the motor unit 35 and the board holder 36 are held by the motor case 7. At this time, the power source substrate 11 and the control board 12 mounted on the motor unit 35 and the substrate holder 36 do not come into contact with the inner circumferential surface of the motor case 7.

In this state, the power supply is supplied through the power supply line 44, and the module substrate 14 is connected to the operation switch, whereby the motor can be operated.

Next, the cover member and the control substrate 12 are connected by a signal line, wherein the cover member is attached to the unit cover 50 by the switch substrate 13, and if the unit cover 50 is attached to the lower end of the motor housing 7, the completion is completed. Assembly of the motor unit 6. Further, when the motor unit 6 is attached to the transfer device 5a, the electric curtain for transferring the curtain fabrics 2a, 2b by the driving force of the motor 8 is configured.

In the motor unit 6 having the structure as described above, the unit fixing member 20 is mounted by the vibration-proof bushing 21 with respect to the vibration-proof fixing member 19 fixed to the base member 15, and the motor to which the motor 8 is mounted is fixed. The piece 26 is mounted on the unit fixture 20 by the vibration isolating bushings 30, 31.

Therefore, the vibration generated when the motor 8 is operated is sufficiently attenuated and then transmitted to the unit fixture 20 and the vibration-proof fixing member 19.

Further, the power source substrate 11 and the control board 12 mounted on the motor unit 35 and the substrate holder 36 are not in contact with the inner circumferential surface of the motor case 7.

Therefore, the vibration transmitted from the motor 8 to the motor casing 7 can be suppressed, thereby suppressing the occurrence of noise.

Further, the motor fixing member 26 is mounted with the substrate fixing member 36 on which the power supply substrate 11 and the control substrate 12 are mounted. Therefore, the weight of the motor fixing member 26 is substantially increased, and the resonance frequency of the motor fixing member 26 itself or the motor assembly 35 itself is shifted to Low frequency side.

13 shows the noise N1 generated on the motor unit 35 when the motor 8 is not operated, in a state where the substrate holder 36 is not attached to the motor unit 35, in a state where the board holder 36 is mounted on the motor unit 35, The noise N2 generated on the motor unit 35 when the motor 8 is operated; and the background noise N3 at the time of measurement.

As shown in FIG. 13, when the substrate holder 36 is mounted on the motor holder 26, the most harsh noise, that is, the frequency noise level of the band of 1 kHz to 2 kHz is lowered.

The motor unit 6 of the electric window shade having the above configuration can have the following effects.

(1) The motor unit 35 and the power source board 11, the control board 12, and the module board 14 are collectively assembled to the base member 15, and then inserted into the motor case 7, and the assembly work is easy.

(2) The motor unit 35 and the power source board 11, the control board 12, and the module board 14 can be connected to each other by the power source line 44, the signal line 49, and other signal lines, and then inserted into the motor casing. Therefore, it is not necessary to lengthen the power supply line 44, the signal line 49, and other signal lines for assembly, and the connection can be made with substantially the shortest length.

(3) The power supply line 44, the signal line 49, and other signal lines can be set to the shortest length, thereby reducing adverse effects caused by interference.

(4) Since the guide piece 64 is provided on the base member 15, the motor case 7 can be easily positioned and fitted to the base member 15.

(5) By inserting the opening edge of the opening portion 47 of the motor housing 7 into the engaging groove 48 of the module base 39, the module base 39 can be easily positioned to take the motor housing 7.

(6) After the switch substrate 13 is attached to the unit cover 50, the unit cover 50 is attached to the lower end portion of the motor housing 7. Thereby, the push button switches 58a, 58b of the switch substrate 13 and the display lamp 59 can be accurately aligned to the operation hole 54 and the display hole 55 and fixed.

(7) When the unit cover 50 is attached to the lower end of the motor housing, the end portion of the control substrate 12 is inserted into the guide piece 64 of the unit cover 50, whereby the unit cover 50 and the motor housing can be easily performed. Positioning.

The above embodiment can also be implemented in the following form.

. The motor assembly 35 can be constructed solely of the motor 8.

10‧‧‧Sensor Department

11‧‧‧Power substrate

12‧‧‧Control substrate

13‧‧‧Switch substrate

14‧‧‧Module substrate

15‧‧‧Base parts

16‧‧‧Motor bracket

17‧‧‧Clocks

18‧‧‧stop device

19‧‧‧Fixed parts

20‧‧‧Fixed parts

21‧‧‧Anti-vibration bushing

22‧‧‧上上

23‧‧‧ Side

24‧‧‧ side

25‧‧‧Sensor substrate

26‧‧‧Motor fixings

27‧‧‧ horizontal side

28‧‧‧ upper side

29‧‧‧Bottom side

30‧‧‧Anti-vibration bushing

31‧‧‧Anti-vibration bushing

32‧‧‧ Output shaft

33‧‧‧ Input shaft

34‧‧‧ Output shaft

35‧‧‧Motor components

36‧‧‧Substrate fasteners

37‧‧‧ screws

38‧‧‧ socket

39‧‧‧Modular substrate

40‧‧‧ screws

44‧‧‧Power cord

49‧‧‧ signal line

50‧‧‧unit cover

51‧‧‧ horizontal side

57‧‧‧ screws

58a, 58b‧‧‧ button switch

59‧‧‧ display lights

6‧‧‧Motor unit

60‧‧‧ socket

61‧‧‧ signal line

62‧‧‧ Guide groove

7‧‧‧Motor housing

70‧‧‧

8‧‧‧Motor

9‧‧‧Clutch

Claims (12)

A motor unit for an electric sunlight shielding device, wherein a base member of a motor unit in which a motor is housed is attached to an end portion of a rail on which a sunlight shielding member is transferred, and the sunlight shielding is transferred along the rail according to an operation of the motor unit The motor unit of the electric sunlight shielding device is characterized in that a motor assembly, a power supply substrate, and a control substrate including the motor are integrally fixed to the base member by a fixing member, and are integrally fixed at the same The motor unit, the power supply board, and the control board on the base member may be inserted into a motor housing formed in a cylindrical shape. The motor unit of the electric sunlight shielding device according to claim 1, wherein the base member or the fixing member is integrally mounted with a module base body on which the module substrate is mounted, An opening portion of the module base body is mounted on the motor housing, and the module base body is provided with an engaging groove that can be inserted into an opening edge of the opening portion. The motor unit of the electric sunlight shielding device according to claim 2, wherein the motor unit, the power source substrate, the control substrate, and the base member of the module base are integrally fixed Inserted from one end of the motor housing, whereby the base member can be mounted on one end of the motor housing, and the other end of the motor housing is mounted with a unit cover that plugs the other end of the motor housing . The motor unit of the electric sunlight shielding device according to claim 3, wherein the control substrate is connected to a switch substrate, and the switch substrate is attachable to an inner side surface of the unit cover. The motor unit of the electric sunlight shielding device according to the fourth aspect of the invention, wherein the switch substrate is provided with a push button switch and a display lamp, and the unit cover is provided with an operation hole for exposing the push button switch And a display hole that exposes the display light. The motor unit of the electric sunlight shielding device according to any one of claims 3 to 5, wherein the unit cover is provided with a guide piece for positioning the control substrate. The motor unit of the electric sunlight shielding device according to any one of claims 1 to 6, wherein the fixing member is provided with a clutch and a sensor portion. The motor unit of the electric sunlight shielding device according to claim 7, wherein the control substrate and the clutch and the sensor portion are electrically connected to the motor casing. in vivo. The motor unit of the electric sunlight shielding device according to any one of claims 1 to 8, wherein the motor housing is formed in a tubular shape having a transversely wide cross section, and is short from the motor housing. The upper end portion of the side is introduced into the power supply line, and is guided to the lower power supply substrate through the side of the fixing member. The motor unit of the electric sunlight shielding device according to any one of claims 7 to 9, characterized in that the signal line of the clutch passes through the inner side surface of the short side of the motor housing and The fixing members are guided to the lower side and are guided along the fixing member to the control substrate to be connected. The motor unit of the electric sunlight shielding device according to any one of claims 7 to 10, characterized in that the signal line of the sensor portion passes through the short side of the motor casing Between the side and the fixing member and guided to the lower side, and guided to the control base along the fixing member The board is connected. A motor unit assembly method for an electric sunlight shielding device, wherein a motor unit including a motor, a power source substrate, a control substrate, and a module substrate are integrally connected to each other by a fixing member, and the battery unit is electrically connected to each other. The motor unit, the power board, the control board, and the module board that are integrally fixed are inserted into a motor case, and the base member is fixed to the motor case.