Connector unit, hollow motor, rotating joint and rotating device

Abstract

The utility model discloses a connector unit, a hollow motor, a rotating joint and a rotating device, the connector unit comprises a first fixing module, a second fixing module, a first communication end, a second communication end and N pairs of wireless power supply coils, and N is greater than or equal to 1; the first communication end is fixed on the first fixing module, and the second communication end is fixed on the second fixing module; each pair of the N pairs of wireless power supply coils is correspondingly arranged on the first fixing module and the second fixing module respectively; the first fixing module can rotate relative to the second fixing module; the first communication end and the second communication end are in wireless communication; a wireless mode is adopted, a control line and a power line can be omitted, the structure is compact, wireless power supply and wireless data transmission are adopted, the anti-interference capacity is high, the information transmission rate is high, and the requirement for high-speed rotation can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary connection structure, in particular to a connector unit, hollow motor, rotary joint and rotating device. BACKGROUND

[0002] With the development of industry, there are many connection and communication scenes between devices in industry, such as mechanical arm, holder, etc. This connection is similar to the joint of human body, and is usually mechanically connected, such as traditional connector.

[0003] However, due to the existing rotary device, on the one hand, the activity range needs to be larger, and the traditional connector will interfere with the rotary activity due to the use of wired winding, such as winding limiting the activity space. On the other hand, due to the existence of loss, the maintenance process of replacing the elements on both sides of the joint is often complex. And because of the use of wired communication connection, it will also interfere with the signal to some extent, affecting the information transmission speed. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide a connector unit, hollow motor, rotary joint and rotating device, which realizes rotary connection while being compact in structure, convenient to disassemble and strong in anti-interference ability.

[0005] In order to solve the above technical problem, a technical scheme adopted by the utility model is:

[0006] A connector unit comprises a first fixed module, a second fixed module, a first communication end, a second communication end and N pairs of wireless power supply coils, and N is greater than or equal to 1.

[0007] The first communication end is fixed to the first fixed module, and the second communication end is fixed to the second fixed module.

[0008] Each pair of the N pairs of wireless power supply coils is respectively arranged on the first fixed module and the second fixed module.

[0009] The first fixed module can rotate relative to the second fixed module.

[0010] The first communication end and the second communication end are in wireless communication.

[0011] Further, the first communication end and the second communication end are both wireless communication chips.

[0012] Further, the wireless communication chip is a millimeter wave communication chip.

[0013] Further, one of the first fixed module and the second fixed module is connected to the motor stator, and the other is connected to the motor rotor, or one is the motor stator and the other is the motor rotor.

[0014] To solve the above technical problems, the utility model adopts another technical scheme, which is:

[0015] A hollow motor, comprising a hollow shaft, a motor rotor and a motor stator, the motor rotor and the motor stator are connected through a bearing, further comprising the connector unit of above-mentioned one;

[0016] One end of the hollow shaft is connected with the first communication end, and the other end is connected with one of the first fixed module and the second fixed module as the motor rotor or connected with the motor rotor.

[0017] Further, the other of the first fixed module and the second fixed module is a support structure;

[0018] The motor stator is arranged at both ends of the support structure;

[0019] The second communication end is arranged at the center position of the support structure;

[0020] The wireless power supply coil is arranged on both sides of the second communication end of the support structure.

[0021] Further, the motor stator is respectively provided with the wireless power supply coil.

[0022] Further, it further comprises a support structure;

[0023] The other of the first fixed module and the second fixed module is a motor stator;

[0024] The motor stator is arranged on the support structure.

[0025] To solve the above technical problems, the utility model adopts another technical scheme, which is:

[0026] A rotary joint, the rotary joint comprising the hollow motor of above-mentioned one;

[0027] The rotation axis of the rotary joint coincides with the hollow shaft of the hollow motor.

[0028] To solve the above technical problems, the utility model adopts another technical scheme, which is:

[0029] A rotary device, the rotary device comprising the rotary joint of above-mentioned one.

[0030] The utility model discloses a beneficial effect lies in: in the connector unit, the first communication end and the second communication end of wireless connection are arranged on the rotatable first fixed module and second fixed module respectively, and N pairs of wireless power supply coils are arranged on the first fixed module and the second fixed module correspondingly, thereby realize wireless data transmission and wireless power transmission, on the one hand, there is no wiring between the first fixed module and the second fixed module, and it is easy to disassemble and maintain, on the other hand, wireless power transmission and wireless data transmission are integrated, adopt wireless mode, can omit control line and power line, compact structure, and adopt wireless power supply and wireless data transmission, and the anti -interference ability is strong, information transmission rate is high, can satisfy the demand of high -speed rotation. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a structure schematic drawing of a connector unit of the utility model embodiment;

[0032] Figure 2 It is a structure schematic drawing of a hollow motor of the utility model embodiment;

[0033] Figure 3 It is another structure schematic drawing of a hollow motor of the utility model embodiment;

[0034] Figure 4 It is another structure schematic drawing of a hollow motor of the utility model embodiment;

[0035] Figure 5 It is another structure schematic drawing of a hollow motor of the utility model embodiment;

[0036] Figure 6 It is another structure schematic drawing of a hollow motor of the utility model embodiment;

[0037] Figure 7 It is a structure schematic drawing of a cloud platform device of the utility model embodiment;

[0038] Figure 8 It is another structure schematic drawing of a cloud platform device of the utility model embodiment;

[0039] Figure 9 It is a structure schematic drawing of a rotary joint with multiple degrees of freedom of the utility model embodiment;

[0040] Figure 10 It is another structure schematic drawing of a rotary joint with multiple degrees of freedom of the utility model embodiment;

[0041] REFERENCE NUMERALS

[0042] 1. First fixed module; 2. Second fixed module; 3. First communication terminal; 4. Second communication terminal; 5. Wireless power supply coil; 6. Power and signal cable; 7. Bearing; 8. Motor rotor; 9. Motor stator; 10. Hollow shaft; 11. Support structure; 12. Base; 13. Rotary joint. Detailed Implementation

[0043] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0044] The connector unit, hollow motor, rotary joint, and rotary device described above are applicable to any scenario requiring rotary connection, such as surveillance cameras, high-speed automotive radars, gimbal devices, and robotic arms. The following detailed description illustrates these embodiments:

[0045] like Figure 1 As shown, in an optional embodiment, a connector unit includes a first fixing module 1, a second fixing module 2, a first communication terminal 3, a second communication terminal 4, and N pairs of wireless power supply coils 5, where N is greater than or equal to 1.

[0046] The first communication terminal 3 is fixed to the first fixed module 1, and the second communication terminal 4 is fixed to the second fixed module 2;

[0047] Each of the N pairs of wireless power supply coils 5 is respectively disposed on the first fixed module 1 and the second fixed module 2;

[0048] The first fixing module 1 can rotate relative to the second fixing module 2;

[0049] The first communication terminal 3 and the second communication terminal 4 communicate wirelessly.

[0050] The first communication terminal 3, the second communication terminal 4, and the N pairs of wireless power supply coils 5 can be integrated into a wireless transmission module. The first communication terminal 3 and the second communication terminal 4 constitute a data transmission module, and the N pairs of wireless power supply coils 5 constitute a wireless power supply module.

[0051] It also includes a power and signal cable 6, which is connected to the wireless transmission module and the data transmission module respectively, and is used to power the wireless transmission module and the data transmission module.

[0052] In another optional embodiment, both the first communication terminal 3 and the second communication terminal 4 are wireless communication chips, preferably, the wireless communication chip is a millimeter-wave communication chip.

[0053] In another optional embodiment, one of the first fixed module 1 and the second fixed module 2 is connected to the motor stator, the other is connected to the motor rotor, or one is the motor stator, the other is the motor rotor, namely:

[0054] In one implementation, the first fixed module 1 is connected to the motor stator, and the second fixed module 2 is connected to the motor rotor;

[0055] In another implementation, the first fixed module 1 is connected to the motor rotor, and the second fixed module 2 is connected to the motor stator;

[0056] In another implementation, the first fixed module 1 is the motor stator, and the second fixed module 2 is the motor rotor;

[0057] In another implementation, the first fixed module 1 is the motor rotor, and the second fixed module 2 is the motor stator.

[0058] In another optional embodiment, as shown in Figure 2 A hollow motor, comprising a hollow shaft 10, a motor rotor 8 and a motor stator 9, the motor rotor 8 and the motor stator 9 are connected through a bearing 7, and further comprising one of the above connector units;

[0059] One end of the hollow shaft 10 is connected with the first communication end 3, and the other end is connected with one of the first fixed module 1 and the second fixed module 2 as the motor rotor 8 or connected with the motor rotor 8;

[0060] Wherein, the first communication end 3 and the second communication end 4 are respectively fixed on the motor rotor 8 and the motor stator 9 or fixed on the motor rotor 8 or the motor stator 9 through the first fixed module 1 and the second fixed module 2, with the rotating shaft of the hollow motor as the center;

[0061] Figure 2 , Figure 3 , Figure 4 Three layout modes of the wireless power supply coil 5 are respectively shown:

[0062] In the first mode, as shown in Figure 2 The motor stator 9 has two protrusions, and the motor rotor 8 has two corresponding recesses, so there are two pairs of wireless power supply coils 5, and each pair is arranged on the protrusion and the recess;

[0063] In the second mode, as shown in Figure 3 The motor stator 9 is in the shape of a concave, and the motor rotor 8 is in the shape of a corresponding convex, so the second communication end 4 is arranged at the recess of the motor stator 9, and two pairs of wireless power supply coils 5 are arranged on the two sides adjacent to the recess of the motor stator 9; ​​

[0064] In the third mode, as shown in Figure 4 two protrusions are arranged on the motor stator 9, and two recesses are arranged on the motor rotor 8 corresponding to the two protrusions, so that there are two pairs of wireless power supply coils 5, and each pair is arranged on the side of the protrusion opposite to the hollow shaft and on the outer side of the recess corresponding to the hollow shaft;

[0065] In another optional embodiment, as shown in Figure 5 the other of the first fixed module 1 and the second fixed module 2 is a support structure 11, wherein the support structure 11 is arranged on the base 12;

[0066] That is, if the other end of the hollow shaft 10 is connected with the motor rotor 8, and the motor rotor 8 is the first fixed module 1, then the second fixed module 2 is the support structure 11;

[0067] The motor stator 9 is arranged at both ends of the support structure 11;

[0068] The second communication end 4 is arranged at the center of the support structure 11;

[0069] The wireless power supply coils 5 are arranged on both sides of the second communication end 4 on the support structure 11;

[0070] In addition, screws or fixing elements are also included to tightly fix each module.

[0071] In another optional embodiment, as shown in Figure 6 different from Figure 5 the motor stator 9 is respectively provided with the wireless power supply coils 5, that is, the wireless power supply coils 5 are arranged on the motor stator 9 instead of being arranged on the support structure 11;

[0072] Optionally, in another implementation, a plurality of pairs of wireless power supply coils 5 can be arranged on the support structure 11 and the motor stator 9.

[0073] In another optional embodiment, a support structure 11 is further included;

[0074] The other of the first fixed module 1 and the second fixed module 2 is the motor stator 9;

[0075] The motor stator 9 is arranged on the support structure 11, that is, in this embodiment, the data transmission module is arranged on the motor stator 9 through the support structure 11.

[0076] In another optional embodiment, a rotary joint 13 is provided, wherein the rotary joint 13 comprises the hollow motor according to any one of the above embodiments.

[0077] The rotation axis of the rotation joint 13 coincides with the hollow shaft of the hollow motor.

[0078] In another optional embodiment, as shown in Figure 9 、 Figure 10 Space expansion can be carried out to realize a multi-degree-of-freedom joint structure.

[0079] In another optional embodiment, a rotation device includes the rotation joint 13 of any of the above embodiments, and the rotation joint can be applied to various scenes, such as a surveillance camera, especially in outdoor and mobile scenes; a high-speed automobile radar; a gimbal device, i.e., a rotating gimbal of a camera, as shown in Figure 7 、 Figure 8 ; a mechanical arm, and the like.

[0080] In summary, the connector unit, the hollow motor, the rotation joint, and the rotation device provided by the utility model have the advantages that, through special structural design, wiring between the stator and the rotor cannot be seen, and maintenance and disassembly are easy; the hollow motor and the wireless module are innovatively integrated, wireless power transmission and wireless data transmission are integrated, wireless mode is adopted, control lines and power lines can be omitted, the structure is compact, the advantages of wireless power transmission and communication are utilized, traditional mechanical contact is replaced, on the one hand, the anti-interference ability is strong, the information transmission rate is high, high-speed and fast communication requirements of industrial applications are provided, on the other hand, wear is reduced, maintenance is convenient, high-frequency, high-bandwidth, high-speed connection application scenes can be adapted.

[0081] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the utility model specification and the drawings is also included in the patent protection range of the utility model.

Claims

1. A connector unit characterized by comprising: The first fixed module, the second fixed module, the first communication end, the second communication end and N pairs of wireless power supply coils are included, and N is greater than or equal to 1; The first communication end is fixed to the first fixed module, and the second communication end is fixed to the second fixed module; Each pair of the N pairs of wireless power supply coils is respectively arranged on the first fixed module and the second fixed module; The first fixed module can rotate relative to the second fixed module; Wireless communication is performed between the first communication end and the second communication end.

2. A connector unit according to claim 1, wherein The first communication end and the second communication end are both wireless communication chips.

3. A connector unit according to claim 2, wherein The wireless communication chip is a millimeter wave communication chip.

4. A connector unit according to any one of claims 1 to 3, characterized in that One of the first fixed module and the second fixed module is connected to a motor stator, and the other is connected to a motor rotor, or one is a motor stator and the other is a motor rotor.

5. A hollow motor comprising a hollow shaft, a motor rotor and a motor stator, the motor rotor and motor stator being connected by a bearing, characterized in that Further comprising a connector unit according to claim 4; One end of the hollow shaft is connected to the first communication end, and the other end is connected to the first fixed module and the second fixed module as a motor rotor or connected to a motor rotor.

6. A machine according to claim 5, characterised in that The other of the first fixed module and the second fixed module is a support structure; The motor stator is arranged at both ends of the support structure; The second communication end is arranged at the center position of the support structure; The wireless power supply coils are arranged on both sides of the second communication end on the support structure.

7. A machine according to claim 6, characterised in that The wireless power supply coils are arranged on the motor stator.

8. A machine according to claim 5, wherein Further comprising a support structure; The other of the first fixed module and the second fixed module is a motor stator; The motor stator is arranged on the support structure.

9. A rotary joint, characterized by The rotary joint comprises a hollow motor according to any one of claims 5 to 8; The rotation axis of the rotary joint coincides with the hollow shaft of the hollow motor.

10. A rotating device, characterized by The rotating device comprises a rotary joint according to claim 9.

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