Motor controller and motor using same

Abstract

The motor controller comprises a shell and a control circuit board arranged in the shell, the shell comprises a sleeve outer shell and a bottom cover plate, a cavity is formed in the sleeve outer shell, a partition plate is arranged in the cavity and divides the cavity into an upper cavity and a lower cavity, a wire passing hole is formed in the partition plate, and a wire passing hole is formed in the bottom cover plate. The upper cavity and the lower cavity are communicated through a wire passing hole, and a wire passing part is installed in the wire passing hole. The control circuit board comprises a main board and a sub-board, the main board is installed in the upper cavity, the sub-board is installed in the lower cavity, the sub-board is electrically connected with the main board through a power lead penetrating through the wire passing part, and a multifunctional port is integrated on the sub-board. The controller main board and the sub-board of the structure are separated, the main board is connected with the motor, and the main board and the sub-board are connected and transmitted through the wire passing part. The daughter board is integrated with a multifunctional port to be connected with a client, the client is connected and used according to needed functions, unused lead accumulation can be avoided, and meanwhile the wiring harness cost is reduced.

Description

Technical Field

[0001] The utility model relates to a motor controller and a motor applied thereto. Background Art

[0002] At present, most of the DC brushless motor controllers for air conditioners are that daughter boards are inserted on the main board, output functions to the main board, and are led out from the connecting wires of the main board to the outside of the controller for customers to install. To meet the market demand, customers may require the controller to perform many functions at the same time, so there are many harnesses led out from the controller. When the end customer only needs one or two functions, the redundant function leads become a burden, affecting the aesthetics of the installation at the customer side, and the redundant useless function leads also increase the cost. Summary of the Invention

[0003] The purpose of the utility model is to provide a motor controller and a motor applied thereto, and solve the technical problem that in the prior art, most of the motor controllers are that daughter boards are inserted on the main board, output functions to the main board, and are led out from the connecting wires of the main board to the outside of the controller for customers to install. When customers may require the controller to perform many functions at the same time, there are many harnesses led out from the controller. When the end customer only needs one or two functions, the redundant function leads become a burden, and the redundant useless function leads also increase the cost.

[0004] The technical solution of the utility model is realized as follows:

[0005] The utility model provides a motor controller, which includes a housing and a control circuit board arranged in the housing, and is characterized in that:

[0006] The housing includes a sleeve housing and a bottom cover plate. There is a cavity in the sleeve housing, and openings are provided at both ends of the sleeve housing. The bottom cover plate is installed at the opening at the bottom of the sleeve housing. A partition plate is provided in the cavity, and the partition plate divides the cavity into an upper cavity and a lower cavity. A wire passing hole is provided on the partition plate, and the upper cavity and the lower cavity are communicated through the wire passing hole. A wire passing component is installed in the wire passing hole;

[0007] The control circuit board includes a main board and a daughter board. The main board is installed in the upper cavity, and the daughter board is installed in the lower cavity. The daughter board is electrically connected to the main board through a power lead and a function lead passing through the wire passing component. A multi-functional port is integrated on the daughter board.

[0008] The above-mentioned wire passing component is an insulating wire passing component.

[0009] There are a first through hole and a second through hole spaced apart in the middle of the above-mentioned wire passing component. The first through hole can be used for the power lead to pass through, and the second through hole can be used for the function lead to pass through.

[0010] The outer surface of the wire-passing component described above protrudes with an annular boss, and a limiting step is provided at the bottom of the wire-passing hole. When the wire-passing component is installed in the wire-passing hole, the annular boss abuts against the limiting step, and the top of the wire-passing component extends out of the main board.

[0011] A sub-board box is also installed in the lower cavity described above. An indicator light is also integrated on the sub-board. The sub-board is fixed in the sub-board box. A number of clearance holes are provided on the sub-board box. The multi-functional port and the indicator light protrude from the clearance holes and are exposed outside the sub-board box.

[0012] An observation hole is provided on the bottom cover plate corresponding to the indicator light on the sub-board. A transparent lamp cover is installed on the observation hole, and the indicator light on the sub-board is observed through the transparent lamp cover.

[0013] A first sealing ring is provided between the lamp cover and the observation hole.

[0014] A second sealing ring is provided between the bottom cover plate and the sleeve housing.

[0015] An outlet is provided at the bottom of the sleeve housing described above. The outlet is communicated with the lower cavity.

[0016] A motor includes a motor and a motor controller. The motor controller is installed on the motor. It is characterized in that: the motor controller is the motor controller described above.

[0017] Compared with the prior art, the present utility model has the following advantages:

[0018] 1. A motor controller includes a housing and a control circuit board arranged in the housing. It is characterized in that: the housing includes a sleeve housing and a bottom cover plate. A cavity is provided in the sleeve housing. Openings are provided at both ends of the sleeve housing. The bottom cover plate is installed at the opening at the bottom of the sleeve housing. A partition plate is provided in the cavity. The partition plate divides the cavity into an upper cavity and a lower cavity. A wire-passing hole is provided on the partition plate. The upper cavity and the lower cavity are communicated through the wire-passing hole. A wire-passing component is installed in the wire-passing hole; the control circuit board includes a main board and a sub-board. The main board is installed in the upper cavity, and the sub-board is installed in the lower cavity. The sub-board is electrically connected to the main board through a power lead passing through the wire-passing component. A multi-functional port is integrated on the sub-board. The main board and the sub-board of this structure are separated. The main board is connected to the motor, and the main board and the sub-board are connected and transmitted through the wire-passing component. The sub-board integrates the multi-functional port for the customer to connect. The customer connects and uses according to the required functions, which can avoid the accumulation of unused leads and reduce the harness cost at the same time.

[0019] 2. Other advantages of the present utility model are described in detail in the embodiment part of the specification. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a perspective view provided by the present utility model;

[0021] Figure 2 Another perspective three-dimensional view provided by the present utility model;

[0022] Figure 3 Partial exploded view provided by the present utility model;

[0023] Figure 4 Another perspective partial exploded view provided by the present utility model;

[0024] Figure 5 Structural schematic diagram provided by the present utility model;

[0025] Figure 6 Front view provided by the present utility model;

[0026] Figure 7 is Figure 6 Cross-sectional view taken along A-A in

[0027] Figure 8 is Figure 7 Partial enlarged view of B in Detailed implementation manners

[0028] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0029] Embodiment 1:

[0030] As Figures 1 to 8 shown, this embodiment provides a motor controller, including a housing 1 and a control circuit board 2 arranged in the housing 1, characterized in that:

[0031] The housing 1 includes a sleeve housing 11 and a bottom cover plate 12. A cavity 10 is provided inside the sleeve housing 11. Openings are provided at both ends of the sleeve housing 11. The bottom cover plate 12 is installed at the opening at the bottom of the sleeve housing 11. A partition plate 13 is provided in the cavity 10. The partition plate 13 divides the cavity into an upper cavity 101 and a lower cavity 102. A wire passing hole 131 is provided on the partition plate 13. The upper cavity 101 communicates with the lower cavity 102 through the wire passing hole 131. A wire passing component 3 is installed in the wire passing hole 131;

[0032] The control circuit board 2 includes a main board 21 and a daughter board 22. The main board 21 is installed in the upper cavity 101, and the daughter board 22 is installed in the lower cavity 102. The daughter board 22 is electrically connected to the main board 21 through a power lead and a function lead passing through the wire passing component 3. A multi-functional port 221 is integrated on the daughter board 22. The controller main board and the daughter board of this structure are separated. The main board is connected to the motor, and the main board and the daughter board are connected and transmitted through the wire passing component. The daughter board integrates the multi-functional port for the customer to connect. The customer connects and uses according to the required functions, which can avoid the accumulation of unused leads and reduce the harness cost at the same time.

[0033] The above-mentioned wire passing component 3 is an insulating wire passing component. The wire passing component uses insulating materials, and there is no need to consider the problem of electrical distance between the main board and the wire passing component, which increases the space of the main board.

[0034] The above-mentioned wire passing component 3 is provided with a first through hole 31 and a second through hole 32 that are spaced apart in the middle. The first through hole 31 is for the power lead to pass through, and the second through hole 32 is for the function lead to pass through. The structure is reasonably arranged. The wire passing component separates the power line and the function line areas, and can solve the problem of signal interference between the power line and the function line.

[0035] The outer surface of the above-mentioned wire passing component 3 protrudes with an annular boss 33. A limiting step 132 is provided at the bottom of the wire passing hole 131. When the wire passing component 3 is installed in the wire passing hole 131, the annular boss 33 abuts against the limiting step 132, and the top of the wire passing component 3 extends out of the main board 21. The installation structure is simple and the structure is reasonably arranged.

[0036] A daughter board box 4 is also installed in the above-mentioned lower cavity 102. An indicator light 222 is also integrated on the daughter board 22. The daughter board 22 is fixed in the daughter board box 4. The daughter board box 4 is provided with a number of clearance holes 41. The multi-functional port 221 and the indicator light 222 protrude from the clearance holes 41 and are exposed outside the daughter board box 4. The structure is reasonably arranged.

[0037] An observation hole 121 is provided on the bottom cover plate 12 corresponding to the indicator light on the daughter board 22. A transparent lamp cover 122 is installed on the observation hole 121. The indicator light 222 on the daughter board 22 is observed through the transparent lamp cover 122. The structure is reasonably arranged and it is convenient to observe the indicator light.

[0038] A first sealing ring 123 is provided between the above-mentioned lamp cover 122 and the observation hole 121, and the sealing effect is good.

[0039] A second sealing ring 100 is provided between the above-mentioned bottom cover plate 12 and the sleeve housing 11, and the sealing effect is good.

[0040] An outlet 111 is provided at the bottom of the above-mentioned sleeve housing 11, and the outlet 111 is communicated with the lower cavity 102.

[0041] Embodiment 2:

[0042] A motor, comprising a motor and a motor controller, the motor controller being mounted on the motor, characterized in that: the motor controller is the motor controller described in Embodiment 1.

[0043] The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement methods and are all included in the protection scope of the present invention.

Claims

1. A motor controller, comprising a housing (1) and a control circuit board (2) arranged in the housing (1), characterized in that: The housing (1) comprises a sleeve shell (11) and a bottom cover plate (12); a cavity (10) is provided in the sleeve shell (11); openings are provided at both ends of the sleeve shell (11); the bottom cover plate (12) is installed at the opening at the bottom of the sleeve shell (11); a partition plate (13) is provided in the cavity (10); the partition plate (13) divides the cavity into an upper cavity (101) and a lower cavity (102); a wire passing hole (131) is provided on the partition plate (13); the upper cavity (101) and the lower cavity (102) are connected through the wire passing hole (131); a wire passing component (3) is installed in the wire passing hole (131); The control circuit board (2) comprises a main board (21) and a sub-board (22); the main board (21) is mounted in the upper cavity (101), and the sub-board (22) is mounted in the lower cavity (102); the sub-board (22) is electrically connected to the main board (21) via a power lead and a functional lead passing through a wire-passing component (3); and a multi-function port (221) is integrated on the sub-board (22).

2. A motor controller according to claim 1, characterized in that: The wire passing component (3) is an insulating wire passing component.

3. A motor controller according to claim 2, characterized in that: A first through hole (31) and a second through hole (32) are provided in the middle of the wire passing component (3), wherein the first through hole (31) allows a power lead to pass through, and the second through hole (32) allows a functional lead to pass through.

4. A motor controller according to claim 3, characterized in that: An annular boss (33) protrudes from the outer surface of the wire-passing component (3), and a limiting step (132) is provided at the bottom of the wire-passing hole (131). When the wire-passing component (3) is installed in the wire-passing hole (131), the annular boss (33) abuts against the limiting step (132), and the top of the wire-passing component (3) protrudes out of the main board (21).

5. A motor controller according to claim 1 or 2 or 3 or 4, characterized in that: A sub-board box (4) is also installed in the lower cavity (102), and an indicator light (222) is integrated on the sub-board (22). The sub-board (22) is fixed in the sub-board box (4), and a plurality of air-avoiding holes (41) are provided on the sub-board box (4). The multi-function port (221) and the indicator light (222) extend out of the air-avoiding holes (41) and are exposed outside the sub-board box (4).

6. A motor controller according to claim 5, characterized in that: An observation hole (121) is provided on the bottom cover plate (12) at a position corresponding to the indicator light on the sub-plate (22), and a transparent lampshade (122) is installed on the observation hole (121), so that the indicator light (222) on the sub-plate (22) can be observed through the transparent lampshade (122).

7. A motor controller according to claim 6, characterized in that: A first sealing ring (123) is provided between the lampshade (122) and the observation hole (121).

8. A motor controller according to claim 7, characterized in that: A second sealing ring (100) is provided between the bottom cover plate (12) and the sleeve housing (11).

9. A motor controller according to claim 8, characterized in that: A wire outlet (111) is provided at the bottom of the sleeve housing (11), and the wire outlet (111) is communicated with the lower cavity (102).

10. A motor, comprising a motor and a motor controller, wherein the motor controller is mounted on the motor, and wherein: The motor controller is the motor controller described in any one of claims 1 to 9.

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