Power actuating mechanism with rotation stopping function

Abstract

The utility model provides a power actuating mechanism with a rotation stopping function, which comprises a shell, a motor structure and a brake, the motor structure and the brake are arranged in the shell, and the shell comprises a lower shell, an upper shell and an upper cover for sealing the upper shell; the motor structure comprises a stator assembly, a rotor and an electric connection assembly. The stator assembly is attached to the inner wall of the lower shell, and the rotor is rotatably arranged in the center of the lower shell. The electric connection assembly comprises a busbar and a copper bar group, the busbar is arranged in the lower shell, located above the stator assembly and used for being connected with a coil of the stator assembly, and the copper bar group is attached to the inner wall of the upper shell; the upper shell is provided with a control interface; the copper bar group is connected with the control interface and the busbar; the brake is arranged in the upper shell and arranged outside the rotor in a sleeving mode. The brake is suitable for holding the rotor to prevent the rotor from rotating. According to the utility model, the structure is optimized, the brake is integrated in the shell, the rotation stopping of the power actuating mechanism is realized, and the structure is simplified; electric connection assemblies are reasonably deployed, and occupied space is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile brake, especially a power execution mechanism with rotation stopping function. BACKGROUND

[0002] In the prior art electronic driving mechanical brake system, the power execution mechanism drives the mechanical caliper to realize braking; the power execution mechanism rotates to realize braking or braking release of the mechanical caliper, and the power execution mechanism cannot be stopped in the braking or braking release state, so that a brake needs to be arranged outside the power execution mechanism to stop the power execution mechanism. In this way, the complexity of the power execution mechanism is increased, the occupied space is enlarged, and the manufacturing cost and maintenance cost of the brake system are also increased.

[0003] Therefore, a power execution mechanism with rotation stopping function is needed. SUMMARY

[0004] The utility model embodiment provides a power execution mechanism with rotation stopping function, optimizes structure, integrates the brake in the shell, realizes the rotation stopping of power execution mechanism, and simplifies structure; the electric connection assembly is reasonably arranged to reduce the space occupation.

[0005] The utility model embodiment provides a power execution mechanism with rotation stopping function, including shell and setting in the motor structure and brake of shell, the shell includes lower shell, upper shell and the upper cover of closed upper shell, the motor structure includes stator subassembly, rotor and electric connection assembly, the stator subassembly is attached the lower shell inner wall setting, the rotor rotatable setting in the center of lower shell, the electric connection assembly includes busbar and copper row group, the busbar sets up in lower shell and is located the stator subassembly above for connecting the coil of stator subassembly, the copper row group is attached the upper shell inner wall setting, the upper shell is provided with control interface, and the copper row group connects control interface and busbar, the brake sets up in the upper shell, and is set in the outside of rotor, the brake is suitable for holding the rotor to prevent its rotation.

[0006] Preferably, the bottom surface of the upper shell is provided with a central hole allowing the rotor to pass through and a connecting hole allowing the electric connection assembly to pass through; the busbar is provided with a plug-in end extending into the upper shell through the connecting hole; the copper row group is provided with a plug-in column, and the plug-in end of the busbar is inserted into the plug-in column of the copper row group to realize electrical connection.

[0007] Preferably, the bus bars are three groups corresponding to the three-phase windings of the coils; the copper bar group comprises three groups of copper bars and a copper bar shell accommodating the three groups of copper bars, the three groups of copper bars are connected with the three groups of bus bars one by one; the three groups of copper bars are packaged in the copper bar shell.

[0008] Preferably, the brake is a power-off permanent magnet brake, when the brake is powered on, the brake releases the rotor to allow the rotor to rotate; when the brake is powered off, the brake clamps the rotor to prevent the rotor from rotating.

[0009] Preferably, the bottom center of the lower shell and the bottom center of the upper shell are provided with bearings, and the rotor is arranged in the bearings.

[0010] Preferably, the upper shell is provided with a brake interface, and the brake interface is electrically connected with the brake.

[0011] Preferably, the brake is externally provided with a protective cover.

[0012] Preferably, the end of the rotor located in one end of the upper shell is provided with a magnetic ring assembly; the magnetic ring assembly comprises a magnetic ring and a fixing fastener, the magnetic ring is fixed to the fixing fastener, and the fixing fastener is fixedly buckled to the end of the rotor.

[0013] Preferably, an electromagnetic angle sensor is fixed to the inner side of the upper cover; the electromagnetic angle sensor is electrically connected with the control interface.

[0014] Preferably, the upper shell is fixed to the lower shell by bolts, and the upper cover is fixed to the upper shell by bolts.

[0015] Compared with the prior art, the technical scheme of the embodiment of the utility model has beneficial effects.

[0016] For example, the power actuator with rotation stopping function provided by the utility model comprises a shell, a motor structure and a brake arranged in the shell, the shell comprises a lower shell, an upper shell and an upper cover closing the upper shell; the motor structure comprises a stator assembly, a rotor and an electrical connection assembly; the stator assembly is arranged on the inner wall of the lower shell, and the rotor is rotatably arranged in the center of the lower shell; the electrical connection assembly comprises bus bars and a copper bar group, the bus bars are arranged in the lower shell and above the stator assembly to connect the coils of the stator assembly, and the copper bar group is arranged on the inner wall of the upper shell; the upper shell is provided with a control interface, the copper bar group is connected with the control interface and the bus bars; the brake is arranged in the upper shell and externally sleeved on the rotor; the brake is adapted to clamp the rotor to prevent it from rotating; the brake is integrated in the shell, the rotation of the power actuator is stopped, and the structure is simplified; the electrical connection assembly is reasonably arranged to be arranged on the inner wall of the shell, the installation space of the brake in the middle is left, the space occupation is reduced, and the connection with the control interface is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 The utility model discloses a power execution mechanism with rotation stopping function for embodiment of the utility model;

[0018] Fig. 2 The utility model discloses a power execution mechanism with rotation stopping function for embodiment of the utility model;

[0019] Fig. 3 The utility model discloses an electric connection subassembly structure schematic drawing for embodiment of the utility model.

[0020] Mark explanation:

[0021] 1 - shell, 11 - lower shell, 12 - upper shell, 121 - control interface, 122 - brake interface, 13 - upper cover, 131 - electromagnetic angle sensor, 14 - bearing,

[0022] 2 - motor structure, 21 - rotor, 211 - magnetic ring subassembly, 22 - electric connection subassembly, 221 - busbar, 222 - copper bar group,

[0023] 3 - brake, 31 - protective cover. Specific implementation

[0024] In order to make the purpose, the feature and the beneficial effect of the utility model can be more obvious and easy to understand, the specific implementation of the utility model is explained in detail below with the attached drawings. It can be understood that the following described specific implementation is only used for explaining the utility model, and is not the limitation of the utility model. And, the same, similar mark can be used to refer to the same, similar element in different embodiments in the drawing, and the description of the same, similar element in different embodiments and the description of prior art element, feature, effect etc. can be omitted.

[0025] Referring to Figs. 1-3 , the utility model embodiment provides a kind of power execution mechanism with rotation stopping function.

[0026] Specifically, the power execution mechanism with the rotation stopping function provided by the embodiment of the utility model, including casing 1 and setting in casing 1 motor structure 2 and brake 3, casing 1 includes lower casing 11, upper casing 12 and the upper cover 13 of closing upper casing 12, motor structure 2 includes stator assembly (not shown), rotor 21 and electric connection assembly 22, stator assembly is attached to the inner wall of lower casing 11, and rotor 21 is rotatably arranged in the center of lower casing 11, electric connection assembly 22 includes busbar 221 and copper bar group 222, busbar 221 is arranged in lower casing 11 and is located above stator assembly to connect the coil of stator assembly, and copper bar group 222 is attached to the inner wall of upper casing 12, upper casing 12 is provided with control interface 121, and copper bar group 222 is connected with control interface 121 and busbar 221, brake 3 is arranged in upper casing 12 and is sleeved outside rotor 21, brake 3 is suitable for holding rotor 21 to prevent its rotation, brake 3 is integrated in casing 1, the rotation of power execution mechanism is stopped, and the structure is simplified, electric connection assembly 22 is reasonably arranged, is attached to the inner wall of casing 1, and the installation space of brake 3 in the middle is left, space occupation is reduced, and it is convenient to be connected with control interface 121, the split structure of lower casing 11, upper casing 12 and upper cover 13 of casing 1 is convenient for the installation of internal elements.

[0027] In some embodiments, the bottom surface of the upper casing 12 is provided with a central hole allowing the rotor 21 to pass through and a connecting hole allowing the electric connection assembly 22 to pass through; the busbar 221 is provided with a plug-in end that extends into the upper casing 12 through the connecting hole; the copper bar group 222 is provided with a plug-in column, and the plug-in end of the busbar 221 is inserted into the plug-in column of the copper bar group 222 to achieve electrical connection.

[0028] In some embodiments, the busbar 221 is three groups, corresponding to three-phase windings of the connecting coil respectively; the copper bar group 222 includes three groups of copper bars (not shown) and a copper bar shell accommodating the three groups of copper bars, and the three groups of copper bars are connected one by one with the three groups of busbars 221; the three groups of copper bars are packaged in the copper bar shell.

[0029] In some embodiments, the brake 3 is a power-off type permanent magnet brake, which releases the rotor 21 when powered on and allows the rotor 21 to rotate; when the brake 3 loses power, it holds the rotor 21 tightly and prevents the rotor 21 from rotating.

[0030] In some embodiments, the bottom center of the lower casing 11 and the bottom center of the upper casing 12 are both provided with a bearing 14, and the rotor 21 is arranged in the bearing 14.

[0031] In some embodiments, the upper casing 12 is provided with a brake interface 122, and the brake interface 122 is electrically connected with the brake 3.

[0032] In some embodiments, a protective cover 31 is provided outside the brake 3.

[0033] In some embodiments, the end of the rotor 21 located in the upper shell 12 is provided with a magnetic ring assembly 211; the magnetic ring assembly 211 comprises a magnetic ring and a fixing buckle, the magnetic ring is fixed to the fixing buckle, and the fixing buckle is fixedly buckled to the end of the rotor 21.

[0034] In some embodiments, the inner side of the upper cover 13 is fixed with an electromagnetic angle sensor 131; the electromagnetic angle sensor 131 is electrically connected with the control interface 121.

[0035] In some embodiments, the upper shell 12 is fixed to the lower shell 11 by bolts, and the upper cover 13 is fixed to the upper shell 12 by bolts.

[0036] The power execution mechanism with the rotation stopping function provided by the embodiment of the utility model can be applied to the mechanical brake system of a vehicle, when the vehicle is braking, the external controller sends a control signal to the control interface 121, controls the motor structure 2, drives the rotor 21 to rotate, the electromagnetic angle sensor 131 senses the magnetic field change of the magnetic ring, obtains the rotation speed and position signals of the rotor 21 and feeds back the signals to the external controller through the control interface 121, so that real-time control is carried out. When the vehicle is unbraked, the external controller controls the rotor 21 to return to the original position. When the vehicle is parked, after the rotor 21 rotates to the target position, the brake 3 is closed and is in a power-off state, the rotor 21 is locked, and the rotor 21 is maintained at the target position, so that the vehicle completes the parking action and is kept.

[0037] In conclusion, the power execution mechanism with the rotation stopping function provided by the utility model comprises a shell 1, a motor structure 2 and a brake 3 arranged in the shell 1, the shell 1 comprises a lower shell 11, an upper shell 12 and an upper cover 13 closing the upper shell 12; the motor structure 2 comprises a stator assembly, a rotor 21 and an electric connection assembly 22; the stator assembly is arranged on the inner wall of the lower shell 11, and the rotor 21 is rotatably arranged at the center of the lower shell 11; the electric connection assembly 22 comprises a busbar 221 and a copper bar group 222, the busbar 221 is arranged in the lower shell 11 and is located above the stator assembly to connect the coil of the stator assembly, and the copper bar group 222 is arranged on the inner wall of the upper shell 12; the upper shell 12 is provided with a control interface 121, and the copper bar group 222 is connected with the control interface 121 and the busbar 221; the brake 3 is arranged in the upper shell 12 and is sleeved outside the rotor 21; the brake 3 is suitable for tightly holding the rotor 21 to prevent the rotation of the rotor 21; the brake 3 is integrated in the shell 1, the rotation of the power execution mechanism is stopped, and the structure is simplified; the electric connection assembly 22 is reasonably arranged, is arranged on the inner wall of the shell 1, leaves the installation space of the brake 3 in the middle, reduces the space occupation, and is convenient for being connected with the control interface 121.

[0038] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even if only a single embodiment is described with respect to a particular feature. The examples of features provided in the present disclosure are intended to be illustrative rather than limiting, unless otherwise specified. In a specific implementation, one or more technical features of a dependent claim can be combined with technical features of an independent claim, and technical features from a corresponding independent claim can be combined by any appropriate means rather than only by the specific combinations listed in the claims, as technically feasible.

[0039] Although the present disclosure has been described as above, the present disclosure is not limited thereto. Any person skilled in the art can make various modifications and changes without departing from the spirit and scope of the present disclosure, and the protection scope of the present disclosure should be subject to the scope defined by the claims.

Claims

1. A power actuator with anti-rotation function, characterized in that, The device includes a housing and a motor structure and a brake disposed within the housing. The housing includes a lower housing, an upper housing, and a cover enclosing the upper housing. The motor structure includes a stator assembly, a rotor, and an electrical connection assembly. The stator assembly is disposed against the inner wall of the lower housing, and the rotor is rotatably disposed at the center of the lower housing. The electrical connection assembly includes a busbar and a copper busbar assembly. The busbar is disposed in the lower housing and above the stator assembly for connecting the coils of the stator assembly. The copper busbar assembly is disposed against the inner wall of the upper housing. The upper housing is provided with a control interface, and the copper busbar assembly connects the control interface and the busbar. The brake is disposed in the upper housing and sleeved on the outside of the rotor. The brake is adapted to grip the rotor to prevent it from rotating.

2. The power actuator with anti-rotation function according to claim 1, characterized in that, The bottom surface of the upper housing is provided with a central hole that allows the rotor to pass through and a connection hole that allows the electrical connection assembly to pass through; the busbar is provided with a plug-in end, which extends through the connection hole into the upper housing; the copper busbar assembly is provided with a plug-in post, and the plug-in end of the busbar is inserted into the plug-in post of the copper busbar assembly to achieve electrical connection.

3. The power actuator with anti-rotation function according to claim 1, characterized in that, The busbars are in three groups, each corresponding to one of the three phase windings of the coil; the copper busbar group includes three copper busbars and a copper busbar housing that houses the three copper busbars, with the three copper busbars connected one-to-one with the three busbars; the three copper busbars are encapsulated in the copper busbar housing.

4. The power actuator with anti-rotation function according to claim 1, characterized in that, The brake is a de-energized permanent magnet brake. When the brake is energized, it releases the rotor, allowing the rotor to rotate; when the brake is de-energized, it engages the rotor, preventing the rotor from rotating.

5. The power actuator with anti-rotation function according to claim 1, characterized in that, Bearings are provided at the bottom center of both the lower shell and the upper shell, and the rotor is disposed in the bearings.

6. The power actuator with anti-rotation function according to claim 1, characterized in that, The upper shell is provided with a braking interface, which is electrically connected to the brake.

7. The power actuator with anti-rotation function according to claim 1, characterized in that, The brake is equipped with a protective cover.

8. The power actuator with anti-rotation function according to claim 1, characterized in that, A magnetic ring assembly is provided at one end of the rotor located inside the upper shell; the magnetic ring assembly includes a magnetic ring and a fixing fastener, the magnetic ring is fixed to the fixing fastener, and the fixing fastener is fixedly fastened to the end of the rotor.

9. The power actuator with anti-rotation function according to claim 1, characterized in that, An electromagnetic angle sensor is fixed to the inside of the top cover; the electromagnetic angle sensor is electrically connected to the control interface.

10. The power actuator with anti-rotation function according to claim 1, characterized in that, The upper shell is fixed to the lower shell by bolts, and the upper cover is fixed to the upper shell by bolts.

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