WO2020062093A1

WO2020062093A1 - Diaphragm pump electric motor and diaphragm pump

Info

Publication number: WO2020062093A1
Application number: PCT/CN2018/108479
Authority: WO
Inventors: 舒展; 吴晓龙; 周乐
Original assignee: 深圳市大疆软件科技有限公司
Priority date: 2018-09-28
Filing date: 2018-09-28
Publication date: 2020-04-02
Also published as: CN110915109A

Abstract

Disclosed are a diaphragm pump electric motor (100) and a diaphragm pump. The diaphragm pump electric motor (100) comprises a housing (10), a stator winding (40), a rotor assembly (50) and an electronic speed controller assembly (20). The housing (10) encloses an accommodation cavity (14), the housing (10) is provided with a through hole (1115), and the through hole (1115) is in communication with the accommodation cavity (14). The stator winding (40) is arranged inside the accommodation cavity (14). The rotor assembly (50) passes through the housing (10) and extends into the accommodation cavity (14), and the rotor assembly (50) passes through the stator winding (40). The electronic speed controller assembly (20) comprises a speed control unit (21), an electronic speed controller (25), a Hall sensor (22) and a pin (24), wherein the electronic speed controller (25), the Hall sensor (22) and the pin (24) are all arranged on the speed control unit (21); the speed control unit (21) is located in the accommodation cavity (14); and the pin (24) is exposed from the housing (10) via the through hole (1115).

Description

Diaphragm pump motor and diaphragm pump

Technical field

The present application relates to the technical field of diaphragm pumps, and in particular, to a diaphragm pump motor and a diaphragm pump.

Background technique

In the field of agricultural drones, in order to achieve spray irrigation, diaphragm pumps are often used. As an important part of the diaphragm pump, the electric motor generally needs to adjust its speed through an electronic governor to achieve the effect of controlling the diaphragm pump. However, in the prior art, the electronic governor is provided as an independent component outside the diaphragm pump motor, and needs to be electrically connected to the diaphragm pump motor through a socket and a wire. The existing structure, on the one hand, takes up a lot of layout space, which is not conducive to the integration of drones, and also increases the manufacturing and installation costs; on the other hand, the working environment of agricultural drones is usually harsh, and electronic governors Independently installed outside the diaphragm pump motor, the electronic governor is easily affected by external factors (such as water, fine sand, dust, etc.) and can cause failure or even burnout. The stability of the agricultural drone spraying system cannot be fully guaranteed.

Summary of the Invention

In view of this, embodiments of the present application provide a diaphragm pump motor and a diaphragm pump.

The diaphragm pump motor according to the embodiment of the present application includes a casing, a stator winding, a rotor assembly, and an ESC assembly. The casing surrounds a receiving cavity, and the casing is provided with a through hole, which communicates with the receiving cavity. The stator winding is provided in the receiving cavity, the rotor component passes through the housing and extends into the receiving cavity, the rotor component passes through the stator winding, and the ESC component includes electricity An adjustment plate, an ESC, a Hall sensor, and a pin, wherein the ESC, the Hall sensor, and the pin are all disposed on the ESC, and the ESC is located in the receiving cavity, The pins are exposed from the housing from the through holes.

The diaphragm pump according to the embodiment of the present application includes a diaphragm pump body and the diaphragm pump motor, and the diaphragm pump motor is disposed on the diaphragm pump body.

In the diaphragm pump motor and the diaphragm pump according to the embodiments of the present application, the ESC and the pins are integrated on the ESC plate of the diaphragm pump motor, and the ESC plate is disposed in the casing of the diaphragm pump motor, thereby avoiding the ESC. Exposed directly to the diaphragm pump motor. In addition, the pins exposed from the through holes of the housing facilitate the electrical connection of external circuits or power sources to the ESC components. For example, external power supplies connect the pins to power the ESC components.

Additional aspects and advantages of the embodiments of the present application will be partially given in the following description, and part of them will become apparent from the following description, or be learned through the practice of the embodiments of the present application.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

1 is a schematic perspective view of a diaphragm pump motor according to an embodiment of the present application;

2 is a schematic cross-sectional view of the diaphragm pump motor of FIG. 1 along the line II-II;

3 is a partially exploded schematic diagram of a diaphragm pump motor according to an embodiment of the present application;

4 is another schematic exploded view of a diaphragm pump motor according to an embodiment of the present application; and

FIG. 5 is a schematic perspective view of a motor base according to an embodiment of the present application.

Description of main component symbols:

Diaphragm pump motor 100, housing 10,

Motor base 11, motor base 110, first surface 1110, second surface 1111, side surface 1112, groove 1113, rotor hole 1114, through hole 1115, first groove 1116, second groove 1117, bottom surface 1118, capacity Set slot 1119, avoidance slot 118, motor cover positioning member 1191, motor cover coupling member 1192, first positioning member 1120, first coupling member 1121, outer tube 113, first stepped hole 1130, inner tube 114, first inner tube 1140, the second inner cylinder 1141, the second stepped hole 1142, the support boss 115, the heat dissipation boss 116, the ESC positioning member 117, and the ESC positioning hole 1170;

Motor cover 12, motor cover body 120, housing positioning member 121, housing coupling member 122, receiving slot 123, receiving slot 124, first receiving slot 125, and second receiving slot 126;

Housing seal 13;

Receiving cavity 14;

ESC component 20, ESC 21, ESC perforation 210, motor base positioning member 211, ESC mounting hole 212, Hall sensor 22, capacitor 23, pin 24, pin holder 240, looper 241, connection Part 242, plug-in part 243, ESC 25;

Bracket 30, bracket body 31, connecting arm 32, bracket perforation 33, hook 34, protrusion 35, bracket mounting hole 36;

Stator winding 40, winding body 41, winding arm 42, coil 43, winding installation hole 44, gap 45;

Rotor assembly 50, rotor 51, first bearing 52, second bearing 53, third bearing 54, first mounting position 55, second mounting position 56, third mounting position 57, fourth mounting position 58;

Rotor cover 60, mounting groove 61, support post 62, support ribs 63, rotor perforation 64;

The plug assembly 70, the plug body 71, the interface member 72, the plug seal 73, the second positioning member 74, the second coupling member 75, and the lead 76.

detailed description

The embodiments of the present application are further described below with reference to the accompanying drawings. The same or similar reference numerals in the drawings represent the same or similar elements or elements having the same or similar functions throughout.

In the description of this application, it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "bottom", "inner", "outer", etc. are based on the drawings The orientation or position relationship is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, structure and operation in a specific orientation, so it cannot be understood as a limitation on this application. . In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, "multiple" means two or more exponential quantities, unless specifically defined otherwise.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of this application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the application. In addition, the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, examples of various specific processes and materials are provided in this application, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

1 to 2, a diaphragm pump motor 100 according to an embodiment of the present application includes a housing 10, a stator winding 40, a rotor assembly 50, and an ESC assembly 20. The casing 10 surrounds the receiving cavity 14. The casing 10 is provided with a through hole 1115, and the through hole 1115 communicates with the receiving cavity 14. The stator winding 40 is disposed in the receiving cavity 14. The rotor assembly 50 passes through the casing 10 and extends into the receiving cavity 14. The rotor assembly 50 passes through the set winding 40. 3, the ESC component 20 includes an ESC board 21, an ESC 25, a Hall sensor 22, and a pin 24. The ESC 25, Hall sensor 22, and a pin 24 are all disposed on the ESC 21, The adjusting plate 21 is located in the receiving cavity 14, and the pins 24 are exposed from the housing 10 through the through holes 1115.

In the diaphragm pump motor 100 according to the embodiment of the present application, the ESC 25 and the pin 24 are integrated on the ESC 21 of the diaphragm pump motor 100, and the ESC 21 is disposed in the casing 10 of the diaphragm pump motor 100. Therefore, the ESC 25 is prevented from being directly exposed to the diaphragm pump motor 100. In addition, the pin 24 exposed from the through hole 1115 of the housing 10 facilitates the electrical connection of the external circuit or power source to the ESC component 20. For example, the external power supply provides power to the ESC component 20 through the connection with the pin 24.

Please refer to FIG. 2 and FIG. 3 together. The diaphragm pump motor 100 according to the embodiment of the present application includes a housing 10, a housing seal 13, an ESC assembly 20, a bracket 30, a stator winding 40, a rotor assembly 50, a rotor cover 60, and Socket assembly 70.

Specifically, the casing 10 can serve as a protective casing of the diaphragm pump motor 100, and can protect the components in the casing 10. The casing 10 can be made of a metal material with good thermal conductivity, so that the heat generated by the internal components can be better conducted to the external environment. The casing 10 includes a motor base 11 and a motor cover 12.

Referring to FIG. 5, the motor base 11 has a substantially rectangular structure. The motor base 11 includes a motor base body 110, a motor cover positioning member 1191, a motor cover coupling member 1192, a first positioning member 1120, a first coupling member 1121, and an outer cylinder 113. , An inner tube 114, a support boss 115, a heat dissipation boss 116 and an ESC positioning member 117.

The motor base body 110 includes a first surface 1110, a second surface 1111, and a side surface 1112. The first surface 1110 and the second surface 1111 are located on opposite sides of the motor base body 110, and the side surface 1112 connects the first surface 1110 and the second surface 1111. . The motor base body 110 is provided with a groove 1113, a rotor hole 1114 and a through hole 1115.

The groove 1113 is formed by being recessed from the first surface 1110 toward the second surface 1111. The groove 1113 includes a first groove 1116 and a second groove 1117 which are communicated with each other. The first groove 1116 is approximately a circular structure. A receiving groove 1119 is formed in the bottom surface 1118 of the first groove 1116 in the direction of the second surface 1111, and the receiving groove 1119 is in a track shape. The second groove 1117 is rectangular. The bottom surface of the second groove 1117 is provided with an avoidance groove 118. The avoidance groove 118 is recessed from the bottom surface 1118 of the groove 1113 to the second surface 1111.

The rotor hole 1114 is formed through the motor base body 110 from the bottom surface 1118 of the first groove 1116 to the second surface 1111. The center of the bottom surface 1118 of the first groove 1116 is on the central axis of the rotor hole 1114. The rotor hole 1114 is circular. The accommodation groove 1119 is located between the rotor hole 1114 and the second groove 1117.

The through hole 1115 is formed through the motor base body 110 in a direction from the side surface 1112 to the groove 1113 (or the second groove 1117). The through hole 1115 is rectangular. The through hole 1115 is in communication with the groove 1113, or in other words, the through hole 1115 is in direct communication with the second groove 1117 and is connected to the avoidance groove 118. In this way, the arrangement of the avoidance groove 118 is beneficial to the rationalization of the machining process of the motor base 11.

The motor cover positioning member 1191 is a recess formed from the first surface 1110 to the second surface 1111, and the recess is circular. The motor cover positioning member 1191 is spaced from the groove 1113. In this embodiment, the number of the motor cover positioning members 1191 is four. The four motor cover positioning members 1191 are spaced apart from each other and are distributed around the groove 1113 (or the first groove 1116). Two of the motor cover positioning members 1191 are located at The side of the first groove 1116 far away from the second groove 1117, and the other two motor cover positioning members 1191 are respectively located on two sides of the communication place between the first groove 1116 and the second groove 1117. In this way, the setting position of the motor cover positioning member 1191 is beneficial to the rationalization of the structure of the motor base 11; the motor cover positioning member 1191 is arranged close to the groove 1113, which is beneficial to reducing the volume and weight of the motor base 11.

Of course, in other embodiments, the number of the motor cover positioning members 1191 may be one or two or three or more than five; the motor cover positioning members 1191 may also be a protrusion formed by extending outward from the first surface 1110. Block or stud.

The motor cover assembly 1192 is a through hole formed through from the first surface 1110 to the second surface 1111, and the through hole is circular. In this embodiment, the number of the motor cover coupling members 1192 is the same as the number of the motor cover positioning members 1191, and each of the motor cover coupling members 1192 passes through the motor from the corresponding motor cover positioning member 1191 toward the second surface 1111. The base body 110 is formed. The central axis of the through hole of the motor cover coupling 1192 coincides with the central axis of the motor cover positioning member 1191, and the size of the motor cover coupling 1192 is smaller than the size of the motor cover positioning member 1191. In this way, the installation positions of the motor cover coupling member 1192 and the motor cover positioning member 1191 are compact, which is beneficial to the miniaturization of the motor base 11.

Of course, in other embodiments, the motor cover joint 1192 may also be a bump or a post formed to extend outward from the first surface 1110; the number of motor cover joints 1192 may be the same as the number of motor cover positioning members 1191 Not equal; the motor cover coupling member 1192 may be spaced from the motor cover positioning member 1191.

The first positioning member 1120 is a recess formed from the side surface 1112 toward the direction of the groove 1113 (or the second groove 1117), and the groove is circular. The first positioning member 1120 is spaced from the through hole 1115. In this embodiment, the number of the first positioning members 1120 is two. The two first positioning members 1120 are spaced apart from each other, and the two first positioning members 1120 are respectively located on opposite sides of the through hole 1115.

Of course, in other embodiments, the number of the first positioning members 1120 may be one or more than three; the first positioning members 1120 may also be bumps or posts formed by extending outward from the side surface 1112.

The first coupling member 1121 is a groove formed by being recessed from the side surface 1112 to the direction of the groove 1113 (or the second groove 1117), and the groove is circular. The first coupling member 1121 and the first positioning member 1120 and the through hole 1115 are both spaced from each other. The size of the first coupling member 1121 is different from that of the first positioning member 1120. In this embodiment, the number of the first coupling members 1121 is two, and the two first coupling members 1121 are disposed at a distance from each other, and the two first coupling members 1121 are respectively located on opposite sides of the through hole 1115.

Of course, in other embodiments, the number of the first coupling members 1121 may be one or three or more; the first coupling members 1121 may also be bumps or pillars formed by extending outward from the side surface 1112; the first coupling The member 1121 and the first positioning member 1120 may communicate with each other.

Referring to FIG. 4, the outer cylinder 113 is formed from the second surface 1111 in a direction protruding away from the first surface 1110. The central axis of the outer cylinder 113 coincides with the central axis of the rotor hole 1114. A first stepped hole 1130 is formed in the outer cylinder 113, and the first stepped hole 1130 is located at an end of the outer cylinder 113 away from the second surface 1111.

With reference to FIG. 5, the inner cylinder 114 extends from the bottom surface 1118 of the first groove 1116 toward the first surface 1110. The central axis of the inner cylinder 114 coincides with the central axis of the rotor hole 1114. The inner cylinder 114 includes a first inner cylinder 1140 and a second inner cylinder 1141 communicating with each other. The top surface of the first inner cylinder 1140 is located between the bottom surface 1118 of the first groove 1116 and the top surface of the second inner cylinder 1141. An outer diameter dimension of the second inner cylinder 1141 is smaller than an outer diameter dimension of the first inner cylinder 1140. A second stepped hole 1142 is formed in the second inner cylinder 1141, and the second stepped hole 1142 is located at an end of the second inner cylinder 1141 far from the bottom surface 1118 of the first groove 1116.

The support boss 115 extends from the bottom surface 1118 of the first groove 1116 toward the first surface 1110. The support boss 115 is disposed between the rotor hole 1114 and the second groove 1117. More specifically, the distance between the support boss 115 and the second groove 1117 is shorter than the distance between the support boss 115 and the rotor hole 1114. The receiving groove 1119 is located between the rotor hole 1114 and the support boss 115. In this embodiment, the supporting boss 115 has a rectangular block structure.

The heat dissipation projection 116 extends from the bottom surface 1118 of the first groove 1116 toward the first surface 1110. The heat dissipation projection 116 has a rectangular block structure. In this embodiment, the number of the heat-dissipating bosses 116 is four, and the shapes and sizes of the four heat-dissipating bosses 116 are different. The plurality of heat-dissipating bosses 116 are spaced apart from each other, and the plurality of heat-dissipating bosses 116 are irregularly dispersed. It is disposed on the bottom surface 1118 of the first groove 1116.

Of course, in other embodiments, the number of the heat dissipating bosses 116 may also be one or two or three or more than five; the shape and size between the plurality of heat dissipating bosses 116 may be the same or partially the same; The stages 116 may also be in contact with each other; the plurality of heat dissipation protrusions 116 may also be regularly distributed on the bottom surface 1118 of the first groove 1116.

The electrical adjustment plate positioning member 117 is a projection formed by extending from the bottom surface 1118 of the first groove 1116 in the direction of the first surface 1110. The ESC positioning member 117 is provided with an ESC positioning hole 1170, and the ESC positioning hole 1170 is circular. In this embodiment, the number of the ESC positioning members 117 is three, and the three ESC positioning members are spaced apart from each other and distributed around the rotor hole 1114.

Of course, in other embodiments, the ESC positioning member 117 may be a recess formed from the bottom surface 1118 of the first groove 1116 toward the second surface 1111; the number of the ESC positioning member 117 may also be Two or more. The plurality of electrical adjustment plate positioning members 117 may be evenly distributed on the bottom surface 1118 of the first groove 1116.

Please refer to FIG. 3, the motor cover 12 has a cylindrical structure. The motor cover 12 includes a motor cover body 120, a housing positioning member 121, and a housing coupling member 122.

One end of the motor cover body 120 is open and the other end is closed to form a receiving groove 123 and a receiving groove 124. The receiving groove 123 includes a first receiving groove 125 and a second receiving groove 126. The shape and size of the first receiving groove 125 correspond to the shape and size of the first groove 1116, and the shape and size of the second receiving groove 126 correspond to the shape and size of the second groove 1117, respectively. The receiving groove 124 surrounds the receiving groove 123, and the receiving groove 124 communicates with the receiving groove 123. The depth of the receiving groove 124 is shallower than the depth of the receiving groove 123.

The housing positioning members 121 are protruding posts formed by the surface of the motor cover body 120 extending outward. The number, distribution, and position settings of the housing positioning members 121 correspond to the number, distribution, and position settings of the motor cover positioning members 1191, respectively. Specifically, in this embodiment, the number of the housing positioning members 121 is the same as the number of the motor cover positioning members 1191, and they are all four. The four housing positioning members 121 are spaced apart from each other and surround the receiving groove 123 (or the first receiving space). Slot 125), where two housing positioning members 121 are located on the side of the first receiving slot 125 away from the second receiving slot 126, and two other housing positioning members 121 are located in the first receiving slot 125 and the second receiving slot, respectively. 126 on both sides of the connection. In this way, the installation position of the housing positioning member 121 is beneficial to the rationalization of the structure of the motor cover 12, and is beneficial to reducing the volume and weight of the motor cover 12.

Of course, in other embodiments, if the motor cover positioning member 1191 is a bump or a convex column, the housing positioning member 121 may also be a recess formed from the surface of the motor cover body 120 into the motor cover body 120.

The housing coupling members 122 are through holes formed through the motor cover body 120. The number, distribution, and position settings of the housing coupling members 122 correspond to the number, distribution, and position settings of the motor cover coupling members 1192. Specifically, the through hole of the casing coupling member 122 is circular. In addition, the number of the housing coupling members 122 is the same as the number of the housing positioning members 121. Each housing coupling member 122 is formed through the motor base body 110 from the position corresponding to each housing positioning member 121, and the housing coupling members 122 are formed. The central axis of the through hole coincides with the central axis of the groove of the housing positioning member 121, and the size of the housing coupling member 122 is smaller than the size of the housing positioning member 121. In this way, the positions of the housing coupling member 122 and the housing positioning member 121 are compact, which is beneficial to the miniaturization of the motor cover 12.

Of course, in other embodiments, if the motor cover positioning member 1191 is a groove, the housing coupling member 122 may also be a bump or a post formed by extending outward from the surface of the motor cover body 120.

With reference to FIG. 4, the housing seal 13 is a ring-shaped seal structure, and the shape of the housing seal 13 is substantially the same as the shape of the receiving groove 124. The housing seal 13 may be made of an elastic material, for example, a rubber or silicone material may be used.

With reference to FIGS. 2 to 3, the ESC component 20 includes an ESC board 21, an ESC 25, a Hall sensor 22, a capacitor 23, and a pin 24. The ESC 25, the Hall sensor 22, the capacitor 23, and the pin 24 are all disposed on the ESC board 21.

The ESC 21 has a circular plate-like structure. The size of the ESC 21 is smaller than or equivalent to the size of the first groove 1116. The ESC 21 is provided with an ESC perforation 210, a motor base positioning member 211, and an ESC mounting hole 212.

The electric adjustment plate perforation 210 is basically opened at the center of the electric adjustment plate 21. The electrical adjustment plate perforation 210 is circular, and the diameter size of the electrical adjustment plate perforation 210 is greater than or equal to the outer diameter size of the second inner cylinder 1141.

The motor base positioning member 211 is a through hole formed through the surface of the ESC 21 and toward the inside of the ESC 21. The number of the motor base positioning members 211 is the same as the number of the electric adjustment board positioning members 117. The three motor base positioning members 211 are spaced apart from each other and are distributed around the through holes 210 of the ESC. Of course, in other embodiments, the motor base positioning member 211 may also be a bump or a pillar formed by extending outward from the surface of the ESC 21.

The ESC mounting holes 212 are formed through the ESC 21. In this embodiment, the number of the ESC mounting holes 212 is three, and the three ESC mounting holes 212 are spaced from each other and evenly surround the ESC perforation 210. distributed. Of course, in other embodiments, the number of the mounting holes 212 of the ESC may be one or two or four or more; the mounting holes 212 of the ESC may also be distributed on the ESC 21 in a distributed manner.

The pin 24 includes a needle base 240 and a curved needle 241. The needle base 240 is substantially a rectangular block structure. The looper 241 includes a connection portion 242 and an insertion portion 243. The connection portion 242 is connected to the ESC 21. The plug-in portion 243 is bent from the end of the connection portion 242 away from the ESC 21 and passes through the needle seat 240. The bent plug-in portion 243 is substantially parallel to the ESC 21, and the bent plug-in portion 243 Protrudes outside the ESC 21.

The bracket 30 includes a bracket body 31 and a plurality of connecting arms 32. The bracket body 31 has a hollow cylindrical structure. The bracket body 31 is provided with a bracket perforation 33, and the diameter dimension of the bracket perforation 33 is greater than or equal to the outer diameter dimension of the second inner cylinder 1141. A plurality of connecting arms 32 are formed to extend outward from the outer surface of the bracket body 31. The connecting arm 32 has a substantially rectangular structure. An end of the connecting arm 32 remote from the bracket body 31 is provided with a bracket mounting hole 36 and a hook 34. The bracket mounting hole 36 corresponds to the ESC mounting hole 212. In this embodiment, the size of the bracket mounting hole 36 is substantially the same as the size of the ESC mounting hole 212. The hook 34 has a substantially "L" shape. The hook 34 includes a protrusion 35. In this embodiment, the number of the connecting arms 32 is three, and the three connecting arms 32 are evenly distributed around the bracket body 31.

The stator winding 40 includes a winding body 41, a plurality of winding arms 42, and a plurality of coils 43. The winding body 41 is provided with a winding installation hole 44. The size of the winding installation hole 44 is greater than or equal to the outer diameter of the second inner cylinder 1141. A plurality of winding arms 42 are formed to extend outward from the outer surface of the winding body 41. The winding arms 42 are “T” -shaped protruding structures, and a gap 45 is formed between two adjacent winding arms 42. A plurality of coils 43 are respectively wound on the plurality of winding arms 42, and each coil 43 is wound on each corresponding protruding structure.

The rotor assembly 50 includes a rotor 51, a first bearing 52, a second bearing 53, and a third bearing 54. The rotor 51 has a shaft structure. The rotor 51 includes a first mounting position 55, a second mounting position 56, a third mounting position 57, and a fourth mounting position 58 which are disposed at intervals from each other. The first installation position 55 is located between the second installation position 56 and the third installation position 57, and the fourth installation position 58 is located at an end of the rotor 51 near the second installation position 56. The first bearing 52 is mounted at the first mounting position 55, the second bearing 53 is mounted at the second mounting position 56, and the third bearing 54 is mounted at the third mounting position 57.

The rotor cover 60 has a cylindrical structure. The rotor cover 60 is provided with a mounting groove 61, and the mounting groove 61 has a circular shape. A support post 62 and a support rib 63 are provided in the mounting groove 61. The support post 62 has a circular table structure, and the support post 62 is disposed on the groove bottom of the mounting groove 61 and is located at the center of the groove bottom. The support post 62 is provided with a rotor perforation 64 penetrating through the rotor cover 60 (or the groove bottom of the installation groove 61). The support ribs 63 are approximately rectangular strip-shaped structures. The number of the support ribs 63 is multiple, and the plurality of support ribs 63 are distributed around the support columns 62.

The plug assembly 70 includes a plug body 71, an interface member 72, a plug seal 73, a second positioning member 74, and a second coupling member 75.

The plug body 71 has a substantially “T” shape. One surface of the plug body 71 is connected to the lead 76. The interface member 72 extends from the other surface of the plug body 71 toward a side remote from the lead wire 76, and the interface member 72 and the lead wire 76 are located on opposite sides of the plug body 71. The plug seal 73 is a ring-shaped seal structure. The plug seal 73 is disposed around the interface member 72 and is located at an end of the interface member 72 near the plug body 71. The plug seal 73 may be made of an elastic material, such as rubber or silicone.

The second positioning member 74 is a protruding column structure extending outward from one surface of the plug body 71. The second positioning member 74 and the lead wire 76 are located on opposite sides of the plug body 71. In this embodiment, the second positioning member 74 corresponds to the first positioning member 1120. Specifically, the number, position, and size of the second positioning member 74 are consistent with the number, position, and size of the first positioning member 1120. The two second positioning members 74 are spaced from each other and are respectively located on two opposite sides of the interface member 72.

Of course, in other embodiments, if the first positioning member 1120 is a bump or a pillar structure, the second positioning member 74 may also be a recess formed from the surface of the plug body 71 toward the inside of the plug body 71.

The second coupling member 75 is a columnar structure penetrating through the motor cover body 120. The second coupling member 75 is spaced from the second positioning member 74. The second coupling member 75 corresponds to the first coupling member 1121. Specifically, the number, position, and size of the second coupling member 75 are consistent with the number, position, and size of the first coupling member 1121. The two second coupling members 75 are spaced apart from each other and are respectively located on two opposite sides of the interface member 72. The second coupling member 75 and the plug body 71 may be provided integrally, and the second coupling member 75 and the plug body 71 may also be used as separate components.

The ESC assembly 20 can be combined with the bracket 30. Specifically, the side of the bracket 30 away from the hook 34 is aligned with the side of the ESC assembly 20 away from the capacitor 23, and the bracket body 31 of the bracket 30 is aligned with the ESC hole 210; each bracket mounting hole 36 is aligned An ESC mounting hole 212; then, the bracket 30 is installed toward the ESC assembly 20. In this process, the bracket body 31 is partially nested in the ESC hole 210; each bracket mounting hole 36 and the corresponding ESC mounting hole 212 can be fixedly connected by fasteners (such as screws), thereby completing The combination of the ESC component 20 and the bracket 30.

After the ESC component 20 is combined with the bracket 30, it can be installed in the groove 1113 of the motor base 11 together. Specifically, the side of the ESC assembly 20 provided with the capacitor 23 is aligned with the groove 1113 of the motor base 11; the ESC board 21 is aligned with the first groove 1116; the ESC hole 210 and the bracket hole 33 are aligned with the inner cylinder 114; each motor base positioning piece 211 is aligned with a corresponding ESC plate positioning piece 117; the capacitor 23 is aligned with the receiving slot 1119; the pin 24 is aligned with the second groove 1117; and then the combined ESC assembly 20 and The bracket 30 is installed in the groove 1113 together. In this process, the bracket 30 is sleeved on the inner cylinder 114, the end surface of the bracket body 31 is abutted against the end surface of the first inner cylinder 1140, and the second inner cylinder 1141 is passed through the bracket perforation 33 (and the electrical adjustment plate perforation 210); The adjusting plate 21 is installed in the first groove 1116; each motor base positioning member 211 corresponds to the electric adjusting plate positioning member 117 one-to-one; the capacitor 23 is at least partially accommodated in the receiving slot 1119; the pin holder 240 of the pin 24 Located in the first groove 1116 and opposite to the support boss 115, the pin 24 spans the avoidance groove 118 and causes the looper 241 to extend into the through hole 1115 and is exposed from the motor base 11 from the through hole 1115; each motor base positioning member 211 and the corresponding ESC positioning member 117 can be fixedly connected by fasteners (such as screws), so that the combined ESC assembly 20 and the bracket 30 are installed and fixed in the groove 1113. At this time, the heat dissipating boss 116 may be in contact with the ESC 21 to dissipate heat from the ESC 21.

After the ESC assembly 20 and the bracket 30 are installed in the groove 1113, the stator winding 40 can be installed on the motor base 11. Specifically, the stator winding 40 is directed to the side of the bracket 30 of the motor base 11; the winding mounting hole 44 is aligned with the inner cylinder 114 (or the second inner cylinder 1141); the gap 45 between the winding arms 42 is aligned with the hook of the bracket 30 Projection 35 of 34; the stator winding 40 is then mounted towards the motor base 11. In this process, the second inner cylinder 1141 is provided with a winding installation hole 44, and the end surface of the winding body 41 abuts the end surface of the bracket body 31; the gap 45 between the protruding portion 35 of the hook 34 and the winding arm 42 is engaged Thus, the stator winding 40 is mounted on the motor base 11.

The rotor assembly 50 may be mounted on the motor base 11. Specifically, the first bearing 52 is installed in the first stepped hole 1130 of the outer cylinder 113, and the second bearing 53 is installed in the second stepped hole 1142 of the second inner cylinder 1141; then, the rotor 51 is provided with a fourth mounting position 58 One end extends from the first bearing 52 into the outer cylinder 113 from the outer cylinder 113 side of the motor base 11 and protrudes from the second bearing 53 of the inner cylinder 114, thereby mounting the first bearing 52 on the first of the rotor 51 Mounting position 55, the second bearing 53 is mounted on the second mounting position 56 of the rotor 51; finally, the third bearing 54 is mounted on the third mounting position 57 outside the motor base 11, thereby mounting the rotor assembly 50 on the motor base 11 on.

After the rotor assembly 50 is installed on the motor base 11, the rotor cover 60 can be installed on the motor base 11. Specifically, the side of the rotor cover 60 forming the mounting slot 61 faces the stator winding 40 side of the motor base 11; the mounting slot 61 is aligned with the stator winding 40; the support post 62 is aligned with the second bearing 53; the rotor perforation 64 is aligned with the rotor 51; Then install the rotor cover 60 toward the motor base 11. In this process, the rotor 51 is penetrated with a rotor perforation 64, and an end provided with a fourth mounting position 58 is protruded from the rotor cover 60. The end surface of the support post 62 abuts the end surface of the second bearing 53. The stator winding 40 receives In the mounting groove 61; the rotor cover 60 is thereby mounted on the motor base 11. In addition, the fastener can be snapped into the fourth mounting position 58, and the rotor cover 60 can be prevented from falling off the rotor 51.

Finally, the motor cover 12 is mounted on the motor base 11. Specifically, the housing seal 13 is first set in the receiving groove 124 on the motor cover 12, and then the side of the motor cover 12 forming the receiving groove 123 faces the rotor cover 60 side of the motor base 11; the receiving groove 123 is aligned Groove 1113; each housing positioning member 121 is aligned with a motor cover positioning member 1191; each housing coupling member 122 is aligned with a motor cover coupling member 1192; and the motor cover 12 is combined with the motor base 11. In this process, each housing positioning member 121 is installed in a corresponding motor cover positioning member 1191; the housing coupling member 122 corresponds to the motor cover coupling member 1192 one-to-one; the receiving groove 123 communicates with the groove 1113 and forms together Accommodating cavity 14; the motor cover 12 and the motor base 11 form the housing 10 of the diaphragm pump motor 100, and the housing coupling 122 and the motor cover coupling 1192 can be fixedly connected by fasteners (such as screws) to complete the motor cover 12 It is combined with the motor base 11 and surrounds a receiving cavity 14.

After the above-mentioned installation is completed, the plug assembly 70 can be detachably mounted on the housing 10 (or the motor base 11) to supply power to the ESC assembly 20. Specifically, the plug assembly 70 is provided with a side of the interface member 72 facing the through hole 1115 of the side surface 1112, the interface member 72 is aligned with the through hole 1115, the second positioning member 74 is aligned with the first positioning member 1120, and the second combination The member 75 is aligned with the first coupling member 1121, and then the plug assembly 70 is mounted toward the housing 10 (or the motor base 11). In this process, each second positioning member 74 is combined with a corresponding one of the first positioning members 1120, and each second coupling member 75 is combined with a corresponding one of the first coupling members 1121; the interface member 72 projects into the through hole 1115 And is connected with the pin 24 (or bent), the plug seal 73 seals the gap between the inner wall of the through hole 1115 and the interface 72, which can prevent foreign water, fine sand and other impurities from entering the housing 10 through the through hole 1115 Thus, the combination of the plug assembly 70 and the housing 10 (or the motor base 11) is completed.

In addition, the supporting boss 115 can abut against the pin 24 seat, so that the strength of the pin seat 240 can be enhanced, and the plugging of the interface member 72 with the pin 24 can be avoided. The ESC 25 can be used to control the rotation speed of the rotor 51. The Hall sensor 22 can be used to detect the rotation angle of the rotor 51 and realize the closed-loop control of the diaphragm pump motor 100, thereby facilitating the improvement of the speed control accuracy of the diaphragm pump motor 100 and meeting the demand for precise variables. The capacitor 23 can reduce the current peak and effectively filter out the current peak. The heat-dissipating boss 116 may not be in contact with the ESC 21. In this way, the heat-dissipating boss 116 can also increase the contact area between the heat of the air in the diaphragm pump motor 100 and the motor base 11, which is beneficial to the ESC assembly 20 and the stator windings. The heat generated by components such as 40 is more conducted to the external environment.

The diaphragm pump according to the embodiment of the present application includes a diaphragm pump body and the diaphragm pump motor 100 of the above embodiment. The diaphragm pump motor 100 is disposed on the diaphragm pump body.

In the diaphragm pump according to the embodiment of the present application, the ESC 25 and the pin 24 are integrated on the ESC 21 of the diaphragm pump motor 100, and the ESC 21 is disposed in the casing 10 of the diaphragm pump motor 100, so that It is avoided that the ESC 25 is directly exposed outside the diaphragm pump motor 100. In addition, the pin 24 exposed from the through hole 1115 of the housing 10 facilitates the electrical connection of the external circuit or power source to the ESC component 20. For example, the external power supply provides power to the ESC component 20 by connecting with the pin 24.

In the description of this specification, the description with reference to the terms “one embodiment”, “some embodiments”, “exemplary embodiments”, “examples”, “specific examples”, or “some examples”, etc., means that the embodiments are combined The specific features, structures, materials, or characteristics described by the examples are included in at least one implementation or example of the present application. In this specification, the schematic expressions of the above terms do not necessarily refer to the same implementation or example. Moreover, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more implementations or examples.

Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirit of the present application, The scope of the application is defined by the claims and their equivalents.

Claims

A diaphragm pump motor, comprising:

A casing, which surrounds a receiving cavity, the casing is provided with a through hole, and the through hole communicates with the receiving cavity;

A stator winding provided in the receiving cavity;

A rotor assembly penetrating the casing and extending into the receiving cavity, the rotor assembly penetrating the stator windings; and

An ESC component, the ESC component includes an ESC board, an ESC, a Hall sensor, and pins, and the ESC, the Hall sensor, and the pins are all disposed on the ESC board. The electric adjustment board is located in the receiving cavity, and the pins are exposed from the housing through the through holes.
The diaphragm pump motor according to claim 1, wherein the housing includes a motor base, the motor base includes a motor base body, and the motor base body includes a first surface connected to the first surface. A second surface and a side surface connecting the first surface and the second surface, the first surface is recessed to form a groove in the direction of the second surface, and the through hole is opened on the side surface and communicates with The groove is communicated, the ESC, the ESC, and the Hall sensor are all installed in the groove, and the pin part is penetrated in the through hole.
The diaphragm pump motor according to claim 2, wherein the bottom surface of the groove is provided with a avoidance groove, the avoidance groove is in communication with the through hole, and the pin extends into the avoidance groove across the escape groove Inside the through hole.
The diaphragm pump motor according to claim 2, wherein the pin comprises a looper and a needle seat, and the looper includes a connection portion connected to the ESC and is bent from the connection portion. A plug-in portion, the plug-in portion is penetrated in the needle base and extends into the through hole, and the motor base further includes a formed extending from a bottom surface of the groove toward the first surface And a supporting boss which is opposite to the needle seat.
The diaphragm pump motor according to claim 2, wherein the motor base further comprises a heat dissipating boss and an inner cylinder formed from the bottom surface of the groove toward the first surface, and the ESC A plate is sleeved on the inner cylinder and is in contact with the heat dissipation boss.
The diaphragm pump motor according to claim 2, wherein the ESC component further comprises a capacitor, and the capacitor is disposed on the ESC board; a bottom surface of the groove faces the second surface A receiving groove is formed in the depression, and the receiving groove is opposite to the capacitor. The ESC, the ESC, and the Hall sensor are all installed in the groove, and the capacitor is at least partially accommodated in the receiving groove. Inside the receiving slot.
The diaphragm pump motor according to claim 2, wherein the diaphragm pump motor further comprises a plug assembly that can be inserted into the through hole and detachably connected to the pin.
The diaphragm pump motor according to claim 7, wherein the side is provided with a first coupling member and a first positioning member spaced apart from each other, and the first coupling member and the first positioning member are both connected to the first positioning member and the first positioning member. The size of the first coupling member is different from that of the first positioning member at intervals of the through holes; the plug assembly includes a plug body, an interface member extending from the plug body to the same side, a second coupling member, and a first Two positioning members, the interface member can extend into the through hole and be detachably connected with the pin, the second positioning member corresponds to the first positioning member and can be detachably connected, the first The two coupling members correspond to the first coupling member and can be detachably connected.
The diaphragm pump motor according to claim 8, wherein the plug assembly further comprises a plug seal, the plug seal is provided around the interface member, and when the interface member projects into the through hole The plug seal seals a gap between the inner wall of the through hole and the interface piece.
The diaphragm pump motor according to claim 9, wherein the plug seal is made of rubber or silicone material.
The diaphragm pump motor according to claim 5, wherein the diaphragm pump motor further comprises a bracket, the electric adjustment plate is mounted on the bracket, and the bracket is sleeved on the inner cylinder.
The diaphragm pump motor according to claim 11, wherein the diaphragm pump motor further comprises a fastener, and the ESC plate is provided with an ESC hole and a plurality of ESCs surrounding the ESC plate hole. The mounting hole includes a bracket body and a plurality of connecting arms. The plurality of connecting arms are formed to extend outward from an outer surface of the bracket body. An end of the connecting arm remote from the bracket body is provided with a bracket for installation. Hole, the bracket body is partially nested in the electrical adjustment board perforation, and the fastener passes through the electrical adjustment board installation hole and the bracket installation hole to install the electrical adjustment board in the bracket on.
The diaphragm pump motor according to claim 12, wherein the stator winding comprises a winding body, a plurality of winding arms extending from an outer surface of the winding body, and a plurality of coils, and the winding body is located in the winding body. On the side of the bracket opposite to the ESC component, the end surface of the winding body abuts the end surface of the bracket body, and a plurality of the coils are respectively wound on a plurality of the winding arms, two adjacent A gap is formed between the winding arms, and an end of the connecting arm remote from the bracket body is provided with a hook, and the hook is engaged with the gap to connect the stator winding to the bracket.
The diaphragm pump motor according to claim 13, wherein the winding arm is a "T" shaped protruding structure, and the coil is wound on each of the corresponding protruding structures.
The diaphragm pump motor according to claim 13, wherein the rotor assembly penetrates the motor base body and the inner cylinder and extends into the receiving cavity.
The diaphragm pump motor according to claim 15, wherein the rotor assembly includes a rotor and a first bearing, the rotor includes a first mounting position and a second mounting position spaced apart, and the motor base further comprises a self-propelled The second surface faces an outer cylinder extending away from the first surface, and the first mounting position is installed in the outer cylinder through the first bearing.
The diaphragm pump motor according to claim 15, wherein the rotor assembly includes a rotor and a second bearing, the rotor includes a first mounting position and a second mounting position spaced apart, and the second mounting position passes through the The second bearing is installed in the inner cylinder.
The diaphragm pump motor according to claim 15, wherein the rotor assembly includes a rotor, and the diaphragm pump motor further includes a rotor cover, the rotor cover is sleeved and fixed at one end of the rotor, and the rotor cover A mounting slot is formed, and the stator winding is received in the mounting slot.
The diaphragm pump motor according to claim 2, wherein the housing further comprises a motor cover, one end of the motor cover is open and the other end is closed to form a receiving groove, and the motor cover is installed on the motor base. Above, the receiving groove communicates with the groove and collectively forms the receiving cavity.
The diaphragm pump motor according to claim 19, wherein the diaphragm pump motor further comprises a housing seal, and the housing seal is disposed between the motor base and the motor cover.
The diaphragm pump motor according to claim 20, wherein the housing seal is made of rubber or silicone material.
A diaphragm pump, characterized in that the diaphragm pump includes:

Diaphragm pump body; and

The diaphragm pump motor according to any one of claims 1 to 21, wherein the diaphragm pump motor is provided on the diaphragm pump body.