阅读说明：本技术 旋转导电关节装置及其使用方法 (Rotary conductive joint device and using method thereof ) 是由 张实丹 韩永军 刘玉斌 于 2019-10-25 设计创作，主要内容包括：本发明提供一种旋转导电关节装置及其使用方法,旋转导电关节装置包括：第一旋转导电单元、第二旋转导电单元、绝缘护套和联结限位单元；所述第一旋转导电单元包括第一绝缘防护罩、绝缘轴、第一导电连接排和导电芯轴；第二旋转导电单元包括第二绝缘防护罩、第二导电连接排、导电环套和导电簧。本发明提供的旋转导电关节装置及其使用方法,具有旋转同时导电的功能,既能保证结构的牢固性和导电性,又能保证工作时绝缘性、安全性。可应用于电动汽车充电装置在自由升降或运动过程中大电流运动传输领域,不但解决了导电的安全性和导电装置的外观美观性,还解决了线缆导电的载流局限性及弯折使用寿命。(The invention provides a rotary conductive joint device and a using method thereof, wherein the rotary conductive joint device comprises: the device comprises a first rotating conductive unit, a second rotating conductive unit, an insulating sheath and a connection limiting unit; the first rotary conductive unit comprises a first insulating protective cover, an insulating shaft, a first conductive connecting row and a conductive mandrel; the second rotary conductive unit comprises a second insulating protective cover, a second conductive connecting row, a conductive ring sleeve and a conductive spring. The rotary conductive joint device and the use method thereof provided by the invention have the functions of rotating and conducting at the same time, and can ensure the firmness and conductivity of the structure and the insulativity and safety during work. The cable can be applied to the field of large-current motion transmission of an electric vehicle charging device in free lifting or moving processes, not only solves the problems of conductive safety and appearance attractiveness of a conductive device, but also solves the problems of current-carrying limitation of cable conduction and bending service life.)

1. A rotary conductive joint device, comprising: the device comprises a first rotary conductive unit (100), a second rotary conductive unit (200), an insulating sheath (300) and a connection limiting unit (400);

wherein the first rotary conductive unit (100) comprises a first insulating shield (101), an insulating shaft (102), a first conductive connection row (103) and a conductive mandrel (104); the inner center of the first insulating protective cover (101) is integrally formed with the insulating shaft (102); the center of the first conductive connecting row (103) penetrates through the insulating shaft (102) and is fixedly connected with the inner side of the first insulating protective cover (101); the conductive mandrel (104) comprises a conductive disc (1041) and a conductive shaft (1042) integrally formed with the center of the conductive disc (1041); the conductive shaft (1042) of the conductive mandrel (104) is coaxially sleeved outside the insulating shaft (102), and the conductive disc (1041) of the conductive mandrel (104) is fixedly connected with the inner side end face of the first conductive connecting row (103); thereby electrically connecting the first electrically conductive connection row (103) and the electrically conductive mandrel (104);

the second rotary conductive unit (200) is arranged opposite to the first rotary conductive unit (100); the second rotary conductive unit (200) comprises a second insulating protective cover (201), a second conductive connecting row (202), a conductive ring sleeve (203) and a conductive spring (204); the second conductive connecting row (202) is fixedly arranged on the inner side of the second insulating protective cover (201); the end surface of the conductive ring sleeve (203) is fixedly connected with the end surface of the second conductive connection row (202), so that the second conductive connection row (202) is electrically connected with the conductive ring sleeve (203); a plurality of conductive springs (204) are arranged in the inner cavity of the conductive ring sleeve (203);

the conductive ring sleeve (203) of the second rotary conductive unit (200) is sleeved outside the conductive mandrel (104) of the first rotary conductive unit (100), and at the moment, the conductive ring sleeve (203) is flexibly and electrically connected with the conductive mandrel (104) through the conductive spring (204); the first conductive connection row (103), the conductive mandrel (104), the conductive spring (204), the conductive ring sleeve (203) and the second conductive connection row (202) form an electrical connection path;

the insulating sheath (300) is sleeved outside the conductive ring sleeve (203) and the conductive disc (1041) of the conductive mandrel (104), and two ends of the insulating sheath are clamped by the first conductive connecting row (103) and the second conductive connecting row (202) respectively;

the connecting limiting unit (400) comprises a connecting shaft (401), a fixed baffle ring (402) and a clamp spring (403); the fixed baffle ring (402) is sleeved at one end of the insulating shaft (102) far away from the first insulating protective cover (101), and the fixed baffle ring (402) is stopped at the outer side of the conductive core shaft (104) and the conductive ring sleeve (203); one end of the coupling shaft (401) is located at the outer side of the first insulation shield (101), the other end of the coupling shaft (401) penetrates through the insulation shaft (102) and the fixed baffle ring (402) to extend to the outside of the fixed baffle ring (402), and the clamp spring (403) is adopted to fix and limit the outside of the fixed baffle ring (402), so that the axial movement of the first rotary conductive unit (100) and the second rotary conductive unit (200) is limited.

2. The rotary conductive joint device according to claim 1, wherein a plurality of annular grooves (2031) are formed in the inner cavity of the conductive ring sleeve (203) at equal intervals; the conductive spring (204) is an annular spring and is arranged in the corresponding annular groove (2031).

3. A method of using a rotary conductive joint device according to any one of claims 1-2, comprising the steps of:

step 1: the telescopic folding mechanism of the charging bow consists of folding arms which are connected end to end; the folding arm has a conductive function; a rotary conductive joint device is arranged at the intersection point of two adjacent folding arms; the front folding arm is assembled as a first conductive connecting row, and the rear folding arm is assembled as a second conductive connecting row;

step 2: the current is transmitted along the folding arm, and is transmitted to the next folding arm after passing through the rotary conductive joint device, so that the transmission of the current is realized; and, by rotating the conductive joint device, the folding arm can freely perform a folding function.

Technical Field

The invention belongs to the technical field of electric automobile charging devices, and particularly relates to a rotary conductive joint device and a using method thereof.

Background

At present, large vehicles such as electric buses and the like mainly adopt a charging arch to carry out quick charging, compared with the traditional charging pile, the charging time of the charging arch can be shortened to 15 minutes from the original 3 hours, the charging time is greatly shortened, and the time for passengers to get on or off the electric buses at the starting and ending stations can be rapidly supplemented with electric quantity for 5 minutes. Therefore, the charging mode of the charging bow is adopted, so that urban bus routes are convenient to dispatch, the charging time is shortened, the investment of buses is reduced, and the application mode is more and more extensive.

The charging bow breaks through the limitation of the single-gun maximum output current 250A specified by the current national standard, can increase the maximum charging current to 1000A or even higher, and reduces the charging time. In the prior art, the charging bow charging principle is as follows: installing a charging bow on a fixed charging station; the charging bow comprises a mounting seat, a driving unit arranged on the mounting seat, a telescopic unit connected with the driving unit and a charging polar plate fixedly connected with the telescopic unit; and the charging polar plate is connected with a power supply interface in the charging bow through a cable. Fixedly mounting a current-receiving electrode plate on the roof of the electric bus; therefore, when the current-collecting plate of the electric bus moves to a position directly below the charging plate of the charging bow, the telescopic unit is extended by the driving of the driving unit, so that the charging plate descends, and the cable of the charging plate is extended, so that the charging plate contacts with the current-collecting plate, and the current-collecting plate is charged through the charging plate.

The above charging structure mainly has the following problems:

when the charging polar plate moves up and down repeatedly, the large-current cable connected with the charging polar plate also needs to move repeatedly and is bent continuously, so that the cable is bent continuously, the cable is easy to wear, and the service life is short. In addition, in order to enable the cable to meet the current-carrying requirement, the cable with a thick specification needs to be adopted, the cable is heavy, the bending radius is large, and the charging bow cannot be flexibly lifted and charged. In addition, the fit and appearance of the cable to the bow is unreasonable.

Therefore, how to overcome the above problem of using a large current cable connected to a charging electrode plate is a problem that needs to be solved urgently at present.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a rotary conductive joint device and a using method thereof, which can effectively solve the problems.

The technical scheme adopted by the invention is as follows:

the present invention provides a rotary conductive joint device, comprising: the device comprises a first rotary conductive unit (100), a second rotary conductive unit (200), an insulating sheath (300) and a connection limiting unit (400);

wherein the first rotary conductive unit (100) comprises a first insulating shield (101), an insulating shaft (102), a first conductive connection row (103) and a conductive mandrel (104); the inner center of the first insulating protective cover (101) is integrally formed with the insulating shaft (102); the center of the first conductive connecting row (103) penetrates through the insulating shaft (102) and is fixedly connected with the inner side of the first insulating protective cover (101); the conductive mandrel (104) comprises a conductive disc (1041) and a conductive shaft (1042) integrally formed with the center of the conductive disc (1041); the conductive shaft (1042) of the conductive mandrel (104) is coaxially sleeved outside the insulating shaft (102), and the conductive disc (1041) of the conductive mandrel (104) is fixedly connected with the inner side end face of the first conductive connecting row (103); thereby electrically connecting the first electrically conductive connection row (103) and the electrically conductive mandrel (104);

the second rotary conductive unit (200) is arranged opposite to the first rotary conductive unit (100); the second rotary conductive unit (200) comprises a second insulating protective cover (201), a second conductive connecting row (202), a conductive ring sleeve (203) and a conductive spring (204); the second conductive connecting row (202) is fixedly arranged on the inner side of the second insulating protective cover (201); the end surface of the conductive ring sleeve (203) is fixedly connected with the end surface of the second conductive connection row (202), so that the second conductive connection row (202) is electrically connected with the conductive ring sleeve (203); a plurality of conductive springs (204) are arranged in the inner cavity of the conductive ring sleeve (203);

the conductive ring sleeve (203) of the second rotary conductive unit (200) is sleeved outside the conductive mandrel (104) of the first rotary conductive unit (100), and at the moment, the conductive ring sleeve (203) is flexibly and electrically connected with the conductive mandrel (104) through the conductive spring (204); the first conductive connection row (103), the conductive mandrel (104), the conductive spring (204), the conductive ring sleeve (203) and the second conductive connection row (202) form an electrical connection path;

the insulating sheath (300) is sleeved outside the conductive ring sleeve (203) and the conductive disc (1041) of the conductive mandrel (104), and two ends of the insulating sheath are clamped by the first conductive connecting row (103) and the second conductive connecting row (202) respectively;

the connecting limiting unit (400) comprises a connecting shaft (401), a fixed baffle ring (402) and a clamp spring (403); the fixed baffle ring (402) is sleeved at one end of the insulating shaft (102) far away from the first insulating protective cover (101), and the fixed baffle ring (402) is stopped at the outer side of the conductive core shaft (104) and the conductive ring sleeve (203); one end of the coupling shaft (401) is located at the outer side of the first insulation shield (101), the other end of the coupling shaft (401) penetrates through the insulation shaft (102) and the fixed baffle ring (402) to extend to the outside of the fixed baffle ring (402), and the clamp spring (403) is adopted to fix and limit the outside of the fixed baffle ring (402), so that the axial movement of the first rotary conductive unit (100) and the second rotary conductive unit (200) is limited.

Preferably, a plurality of annular grooves (2031) are formed in the inner cavity of the conductive ring sleeve (203) at equal intervals; the conductive spring (204) is an annular spring and is arranged in the corresponding annular groove (2031).

The invention also provides a use method of the rotary conductive joint device, which comprises the following steps:

step 1: the telescopic folding mechanism of the charging bow consists of folding arms which are connected end to end; the folding arm has a conductive function; a rotary conductive joint device is arranged at the intersection point of two adjacent folding arms; the front folding arm is assembled as a first conductive connecting row, and the rear folding arm is assembled as a second conductive connecting row;

step 2: the current is transmitted along the folding arm, and is transmitted to the next folding arm after passing through the rotary conductive joint device, so that the transmission of the current is realized; and, by rotating the conductive joint device, the folding arm can freely perform a folding function.

The rotary conductive joint device and the use method thereof provided by the invention have the following advantages:

the rotary conductive joint device and the use method thereof provided by the invention have the functions of rotating and conducting at the same time, and can ensure the firmness and conductivity of the structure and the insulativity and safety during work. The cable can be applied to the field of large-current motion transmission of an electric vehicle charging device in free lifting or moving processes, not only solves the problems of conductive safety and appearance attractiveness of a conductive device, but also solves the problems of current-carrying limitation of cable conduction and bending service life.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotary conductive joint device according to the present invention;

FIG. 2 is a cross-sectional view of a rotary conductive joint apparatus provided in accordance with the present invention;

fig. 3 is a schematic structural view of a first insulating shield and an insulating shaft integrally formed part provided by the present invention;

FIG. 4 is a schematic structural view of a first conductive connection row according to the present invention;

FIG. 5 is a schematic structural view of a conductive mandrel provided by the present invention;

fig. 6 is an assembly view of a first rotary conductive unit and a coupling shaft provided in the present invention;

FIG. 7 is a schematic structural view of a second insulating shield according to the present invention;

FIG. 8 is a schematic structural view of a second electrically conductive connection bank provided in accordance with the present invention;

FIG. 9 is a schematic structural view of a conductive collar provided in accordance with the present invention;

fig. 10 is an assembly view of a second rotary conductive unit provided in the present invention;

FIG. 11 is a schematic structural view of a coupling shaft according to the present invention;

FIG. 12 is a schematic view of a retaining ring according to the present invention;

FIG. 13 is a view of the manner of assembly of the coupling limiting unit provided by the present invention;

fig. 14 is a view of a usage scenario of the rotary conductive joint device provided by the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention provides a rotary conductive joint device which has the advantages of firm rotation, conductivity and safety. The current conductive transmission can be carried out in the free rotation process, the two rotating parts in flexible connection are positioned by the clamp spring, the stable contact of the conductive core shaft and the conductive ring sleeve in flexible contact can be ensured, and the service life of the conductive joint is ensured by selecting proper lubricating grease. The cable has the advantages that the conductive safety and the appearance attractiveness of the conductive device are solved, the current-carrying limitation of cable conductivity is also solved, and the bending service life is prolonged.

Referring to fig. 1 and 2, an overall structure diagram of a rotary conductive joint device includes: a first rotary conductive unit 100, a second rotary conductive unit 200, an insulating sheath 300, and a coupling limiting unit 400.

First rotary conductive unit 100

The first rotary conductive unit 100 includes a first insulating shield 101, an insulating shaft 102, a first conductive connection row 103, and a conductive core shaft 104;

referring to fig. 3, an insulating shaft 102 is integrally formed at the inner center of a first insulating boot 101; referring to fig. 4, a structural view of the first conductive connection bank 103 is shown; referring to fig. 5, a structural view of the conductive mandrel 104 is shown; referring to fig. 6, the assembly relationship is as follows: the center of the first conductive connection row 103 passes through the insulation shaft 102 and is fixedly connected with the inner side of the first insulation shield 101; the conductive mandrel 104 includes a conductive disc 1041 and a conductive shaft 1042 integrally formed with the center of the conductive disc 1041; the conductive shaft 1042 of the conductive mandrel 104 is coaxially sleeved outside the insulating shaft 102, and the conductive disc 1041 of the conductive mandrel 104 is fixedly connected with the end face of the inner side of the first conductive connection row 103; thereby electrically connecting the first electrically conductive connection row 103 and the electrically conductive mandrel 104.

(II) second Rotary conduction Unit 200

The second rotary conductive unit 200 is disposed opposite to the first rotary conductive unit 100; the second rotary conductive unit 200 includes a second insulating shield 201, a second conductive connection row 202, a conductive collar 203, and a conductive spring 204; referring to fig. 7, a structure view of the second insulating protection cover 201 is shown; referring to fig. 8, a structural view of the second conductive connection row 202 is shown; referring to fig. 9, a diagram of the conductive loop 203 is shown; referring to fig. 10, a view illustrating an assembly relationship of the second rotary conductive unit; a second conductive connection row 202 is fixedly arranged on the inner side of the second insulating protective cover 201; the end surface of the conductive loop 203 is fixedly connected with the end surface of the second conductive connection row 202, so that the second conductive connection row 202 and the conductive loop 203 are electrically connected; a plurality of conductive springs 204 are arranged in the inner cavity of the conductive ring sleeve 203; the specific setting mode is as follows: a plurality of annular grooves 2031 are arranged in the inner cavity of the conductive ring sleeve 203 at equal intervals; the conductive springs 204 are annular springs and are disposed inside the corresponding annular grooves 2031.

The first rotary conductive element 100 and the second rotary conductive element 200 are assembled in the following manner:

the conductive ring sleeve 203 of the second rotary conductive unit 200 is sleeved outside the conductive mandrel 104 of the first rotary conductive unit 100, and at this time, the conductive ring sleeve 203 and the conductive mandrel 104 are flexibly and electrically connected through the conductive spring 204; the first conductive connection row 103, the conductive mandrel 104, the conductive spring 204, the conductive ring sleeve 203 and the second conductive connection row 202 form an electrical connection path; therefore, the current inputted from the first electrically conductive connection row 103 may be finally transmitted to the outside from the second electrically conductive connection row 202.

The insulating sheath 300 is sleeved outside the conductive ring sleeve 203 and the conductive disc 1041 of the conductive mandrel 104, and both ends of the insulating sheath are clamped by the first conductive connection row 103 and the second conductive connection row 202 respectively.

(III) Joint Limit Unit 400

The coupling limiting unit 400 comprises a coupling shaft 401, a fixed baffle ring 402 and a clamp spring 403;

referring to fig. 11, a structural view of a coupling shaft 401; referring to fig. 12, a block diagram of the fixed baffle ring 402 is shown; referring to fig. 13, an assembly view of the coupling stopper unit 400; the fixed baffle ring 402 is sleeved on one end of the insulating shaft 102 far away from the first insulating protective cover 101, and the fixed baffle ring 402 is stopped outside the conductive core shaft 104 and the conductive ring sleeve 203; one end of the coupling shaft 401 is located outside the first insulating protective cover 101, and the other end of the coupling shaft 401 passes through the insulating shaft 102 and the fixed baffle ring 402, extends to the outside of the fixed baffle ring 402, and is fixed and limited outside the fixed baffle ring 402 by using a snap spring 403, so as to limit the axial movement of the first rotating conductive unit 100 and the second rotating conductive unit 200.

The invention also provides a use method of the rotary conductive joint device, which comprises the following steps:

step 1: the telescopic folding mechanism of the charging bow consists of folding arms which are connected end to end; referring to fig. 14, 500 is a folding arm; the folding arm has a conductive function; a rotary conductive joint device is arranged at the intersection point position of two adjacent folding arms, namely A in figure 14; the front folding arm is assembled as a first conductive connecting row, and the rear folding arm is assembled as a second conductive connecting row;

step 2: the current is transmitted along the folding arm, and is transmitted to the next folding arm after passing through the rotary conductive joint device, so that the transmission of the current is realized; and, by rotating the conductive joint device, the folding arm can freely perform a folding function.

The invention provides a rotary conductive joint device, wherein on one hand, a first rotary conductive unit and a second rotary conductive unit can rotate freely without any limitation; on the other hand, the first rotating conductive unit and the second rotating conductive unit are electrically connected and can transmit current. Therefore, when the telescopic folding mechanism is assembled at the joint position of the telescopic folding mechanism, the function of electric conduction in the free lifting process of the telescopic folding mechanism is realized, and the function of large-current motion transmission which cannot be realized by a cable is realized; meanwhile, the novel fabric has the advantages of long service life and reliable use performance.

In practical application, the rotary conductive joint device can be arranged on a corresponding lifting or other type of motion mechanism. The conductive connecting row is combined with a lifting or other type motion mechanism, so that the current collecting device can perform rotary current conductive transmission along the motion mechanism through a conductive joint.

The invention provides a rotary conductive joint device, which has the functions of rotating and conducting, and can ensure the firmness and conductivity of the structure and the insulativity and safety during work. The cable can be applied to the field of large-current motion transmission of an electric vehicle charging device in free lifting or moving processes, not only solves the problems of conductive safety and appearance attractiveness of a conductive device, but also solves the problems of current-carrying limitation of cable conduction and bending service life.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.