CN114665537A

CN114665537A - Hard connection connector, charging and replacing power supply and charging and power supply system

Info

Publication number: CN114665537A
Application number: CN202210113937.4A
Authority: CN
Inventors: 徐志括
Original assignee: Hongwei Zhilian Technology Shenzhen Co ltd
Current assignee: Hongwei Zhilian Technology Shenzhen Co ltd
Priority date: 2022-01-30
Filing date: 2022-01-30
Publication date: 2022-06-24

Abstract

The invention discloses a hard connection connector, a charging and replacing power supply and a charging power supply system, wherein the hard connection connector comprises a first joint assembly, the first joint assembly comprises a first insulating seat and a plurality of annular electrodes arranged in the first insulating seat, the annular electrodes are mutually nested and coaxially arranged, the hard connection connector has a 360-degree foolproof function, and blind plugging can be realized. Meanwhile, the first joint assembly and the second joint assembly are fixedly sleeved through the first mounting sleeve, and the internal parts of the hard connection connector are protected. The electromagnet and the elastic structure are arranged on the seat body, so that the locking and the conduction of the seat body and the charging and replacing power supply can be ensured, and the situation that the charging and replacing power supply is separated from the seat body and the connection fails due to the vibration in the running process of the electric carrier is avoided.

Description

Hard connection connector, charging and replacing power supply and charging and power supply system

Technical Field

The invention relates to the field of connectors, in particular to a hard connection connector, a charging and replacing power supply and a charging and power supply system.

Background

With the increasing popularity of electric vehicles, users charge and discharge electric equipment increasingly frequently. Meanwhile, the user is intelligent to the charging and discharging equipment, and the requirement on the automation degree is higher and higher. The battery replacement becomes a new subject. Battery replacement equipment is also gradually applied to various fields of society. Considering the battery-swapping plug-in mode and the user experience, the charging and discharging mode of the charging and discharging interface gradually changes from soft connection to hard connection, automation and intellectualization. The application of the hard-connection charging and discharging connector is more and more extensive, and the safety reliability of the hard-connection and automatic connection becomes a great problem.

The existing battery connector used for the electric carrier is mostly in flexible connection, and mainly depends on manual plugging and unplugging of a user, so that the customer experience is not good, and the automatic intelligent development of a battery replacement system is not facilitated. Meanwhile, the male end assembly and the female end assembly of the connector have directional requirements during plugging, the blind plugging effect cannot be achieved, and the user experience is poor.

Disclosure of Invention

The invention mainly aims to provide a hard connection connector, a charging and replacing power supply and a charging and power supply system, and aims to solve the problems that the connector in the prior art cannot be plugged in a blind manner, and is unreliable and easy to damage due to inaccurate connection.

To achieve the above object, the present invention provides a hard-wired connector including a first terminal assembly including a first insulating base and a plurality of ring electrodes disposed on the first insulating base, the ring electrodes including:

a first electrode comprising a first annular conductor;

a second electrode comprising a second annular conductor disposed in and spaced from the first annular conductor;

a third electrode comprising a third annular conductor disposed in and spaced apart from the second annular conductor;

a fourth electrode comprising a fourth annular conductor disposed in the second annular conductor and axially spaced from the third annular conductor;

the first annular conductor, the second annular conductor, the third annular conductor and the fourth annular conductor are coaxially arranged.

In an embodiment, the ring electrode includes a fifth electrode including a fifth ring conductor disposed in the second ring conductor, and the fifth ring conductor and the third ring conductor are disposed at two ends of the fourth ring conductor, respectively.

In one embodiment, the first insulating base comprises a first substrate and a plurality of annular insulating layers arranged on the first substrate, the annular insulating layers are coaxially and nested, and annular grooves for accommodating the annular electrodes are formed between the adjacent annular insulating layers.

In one embodiment, the hard-wired connector further includes a second terminal assembly that mates with the first terminal assembly.

In an embodiment, the second joint assembly includes a second insulating seat inserted into the first insulating seat, a first mounting sleeve butted with an outer wall of the second insulating seat is further disposed on an outer periphery of the first insulating seat, and a sealing ring is further disposed between the outer wall of the second insulating seat and the first mounting sleeve.

The invention also provides a charging and replacing power supply which comprises the hard connection connector.

In one embodiment, the charging and replacing power supply comprises a battery pack and a signal circuit; the signal circuit is electrically connected with the third electrode and the fourth electrode, the anode of the battery pack is electrically connected with the first electrode, and the cathode of the battery pack is electrically connected with the second electrode.

The invention further provides a charging power supply system which comprises the charging and switching power supply and a butt-joint mounting seat used for being electrically connected with the charging and switching power supply, wherein the hard connection connector is used for connecting the mounting seat and the charging and switching power supply.

In one embodiment, the charging and power supply system comprises an electric vehicle provided with a power supply cabin and/or a charging cabinet provided with the charging cabin, and the mounting seats are arranged in the power supply cabin and the charging cabinet.

In an embodiment, the mounting seat includes an electromagnet disposed on the seat body and a magnetic conductive member disposed on the battery charger and corresponding to the electromagnet.

In an embodiment, an elastic structure is disposed at the bottom of the power supply bin and/or the bottom of the charging bin, and the elastic structure enables the seat body to be attached to the charging and replacing power source.

The invention provides a hard connection connector comprising a first joint assembly, wherein the first joint assembly comprises a first insulating seat and a plurality of annular electrodes arranged in the first insulating seat, the annular electrodes are mutually nested and coaxially arranged, the hard connection connector has a 360-degree fool-proof function and can realize blind insertion. Meanwhile, the first joint assembly and the second joint assembly are fixedly sleeved through the first mounting sleeve, so that the internal parts of the hard connection connector are protected. The electromagnet and the elastic structure are arranged on the seat body, so that the locking and the conduction of the seat body and the charging and replacing power supply can be ensured, and meanwhile, the situation that the charging and replacing power supply is separated from the seat body and the connection fails due to vibration in the running process of the electric carrier is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a charging and power supplying system according to an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a structure of the charging and replacing power supply in the embodiment of FIG. 1;

FIG. 3 is a schematic diagram of a first terminal assembly of the hard-wired connector of the embodiment of FIG. 1;

FIG. 4 is a schematic diagram of the ring electrode and electrode structure of the embodiment of FIG. 3;

FIG. 5 is a cross-sectional view of a section of the second connector assembly of the embodiment of FIG. 1;

FIG. 6 is a cross-sectional view of another cross-section of the second joint assembly of the embodiment of FIG. 1;

FIG. 7 is a schematic structural view of a second joint assembly of the embodiment of FIG. 1;

FIG. 8 is a schematic structural diagram of a second electrode in the embodiment of FIG. 1;

FIG. 9 is a schematic view of the first and second connector assemblies in an inserted position in accordance with an embodiment of the present invention;

FIG. 10 is a schematic view of a first connector assembly according to one embodiment of the present invention;

fig. 11 is a schematic structural view illustrating a separated state of the first joint assembly and the second joint assembly according to an embodiment of the present invention.

The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, such as "and/or" includes aspects, or aspects that are satisfied simultaneously. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a hard-wired connector, referring to fig. 1 to 11, the hard-wired connector includes a first connector assembly 100, the first connector assembly 100 includes a first insulating base 110 and a plurality of coaxially disposed ring electrodes disposed on the first insulating base 110; the ring electrode includes: a first electrode 131, a second electrode 132, a third electrode 133, and a fourth electrode 134. The first electrode 131 includes a first annular conductor; a second electrode 132 comprising a second annular conductor disposed in and radially spaced from the first annular conductor; a third electrode 133 comprising a third annular conductor disposed in and radially spaced from the second annular conductor; a fourth electrode 134 comprising a fourth annular conductor disposed in the second annular conductor and axially spaced from the third annular conductor; the first annular conductor, the second annular conductor, the third annular conductor and the fourth annular conductor are coaxially arranged.

In the present embodiment, the ring electrodes are nested and independent from each other in the radial direction, and each ring electrode is disposed in the first insulating base 110 and maintained at a certain interval. The first electrode 131 and the second electrode 132 have the same height, and the third electrode 133 and the fourth electrode 134 are arranged in the axial direction. The four annular electrodes are coaxially arranged, and the blind plugging effect can be achieved. In this embodiment, the ring electrode may be a closed metal ring, or may be a metal ring that is opened at one side and is not completely closed. The annular electrode is welded with an external circuit board through a lead or a metal sheet. The invention provides a hard connection connector comprising a first joint component, wherein the first joint component comprises a first insulating seat 110 and a plurality of annular electrodes arranged in the first insulating seat 110, and the annular electrodes are mutually nested and coaxially arranged, so that the first joint component has a 360-degree foolproof function and can realize blind plugging.

In one embodiment, the first connector assembly 100 further includes a plurality of crown springs disposed inside the first insulator base 110, the crown springs being disposed in one-to-one correspondence with the ring electrodes. Specifically, the third electrode 133 includes a third crown spring 123 disposed in the third annular conductor and connected to each other, the fourth electrode 134 includes a fourth crown spring 124 disposed in the fourth annular conductor and connected to each other, and the third crown spring 123 and the fourth crown spring 124 have the same inner diameter. In this embodiment, by providing the third crown spring 123 and the fourth crown spring having the same inner diameter, the space inside the second electrode 132 can be fully utilized, and more electrodes can be arranged. And meanwhile, the third crown spring 123 and the fourth crown spring 124 are arranged, so that the electrode between the first joint component and the oppositely inserted second joint component can be more tightly inserted, and the condition of poor contact is avoided.

In an embodiment, referring to fig. 1 to 11, the ring electrode further includes a fifth electrode 135, the fifth electrode 135 includes a fifth ring conductor disposed in the second ring conductor and axially spaced apart from the fourth ring conductor, and the fifth ring conductor and the third ring conductor are disposed at two ends of the fourth ring conductor, respectively. In this embodiment, the first joint component includes a butt-inserting end and a welding end, the butt-inserting end is used for butt-inserting with the corresponding second joint component, and the welding end is used for welding with the external wire, wherein, the first annular conductor, the second annular conductor, the third annular conductor, the fourth annular conductor and the fifth annular conductor are arranged at the butt-inserting end and are used for butt-inserting with the corresponding second joint component. The third annular conductor, the fourth annular conductor and the fifth annular conductor are arranged in the second annular conductor and are sequentially arranged from the opposite insertion end to the welding end at intervals. The first joint component is used for a charging and replacing power supply, the external first electrode 131 is electrically connected with the positive electrode of the charging and replacing power supply, the second electrode 132 is electrically connected with the negative electrode of the charging and replacing power supply, and the negative electrode in the circuit is grounded. Meanwhile, the third electrode 133, the fourth electrode 134 and the fifth electrode 135 inside the battery are electrically connected with a signal line of the charging and switching power supply, so that the control signal and the sensing signal are shielded.

In one embodiment, the first electrode 131 further comprises a first crown spring 121 disposed in the first annular conductor and interconnected, and the second electrode 132 comprises a second crown spring 122 disposed in the second annular conductor and interconnected; an insertion gap is formed between the first crown spring 121 and the second annular conductor, and an insertion gap is formed between the second crown spring 122 and the third annular conductor and the fourth annular conductor, respectively. In the present embodiment, the first crown spring 121 is connected only to the first annular conductor, and the second crown spring 122 is connected only to the second annular conductor. Through setting up first crown spring 121 and second crown spring 122, can make the electrode between first joint Assembly and the second joint Assembly that inserts inseparabler, ensure to fill the power supply of trading electric power supply stable, avoid appearing the poor condition of connecting the inefficacy.

In one embodiment, the first insulating base 110 includes a first substrate 111 and a plurality of annular insulating layers disposed on the first substrate 111, the annular insulating layers being coaxially and nested, and an annular groove configured to accommodate the annular electrode is disposed between adjacent annular insulating layers. The annular insulating layer comprises a first insulating layer 112, a second insulating layer 113 and a third insulating layer 114 which are sequentially arranged from outside to inside at intervals along the radial direction, the first annular conductor is attached to the inner wall of the first insulating layer 112, the second annular conductor is attached to the inner wall of the second insulating layer 113, and the third annular conductor and the fourth annular conductor are arranged in the third insulating layer 114. A certain distance is kept between the first crown spring 121 and the second insulating layer 113, and a certain distance is kept between the second crown spring 122 and the third insulating layer 114, and the distance is used for inserting a male head.

In the present embodiment, the ring electrode includes a welding portion provided at a lower end of the ring conductor in addition to the ring conductor, the welding portion is provided through the first substrate 111, and the welding portions of the ring electrodes are independent from each other and do not interfere with each other. Specifically, the first electrode 131 includes a first annular conductor and a first welding portion extending in the axial direction from a lower end of the first annular conductor. The upper end of the first annular conductor is provided with a flange extending towards the center, the outer wall of the first annular conductor is attached to the inner wall of the first insulating layer 112, the two are equal in height, and the upper ends of the two are flush. The upper and lower ends of the first crown spring 121 are limited by the flanges and the first base plate 111, respectively.

Correspondingly, the second electrode 132 includes a second annular conductor 132b and a second welding portion 132a, a flange extending toward the center is disposed at the upper end of the second annular conductor 132b, the outer wall of the second annular conductor 132b is attached to the inner wall of the second insulating layer 113, and the two are equal in height and have the same upper end. The upper and lower ends of the second crown spring 122 are respectively limited by the flanges and the first substrate 111, and the outer wall of the second crown spring 122 is attached to the inner wall of the second annular conductor 132 b. The second soldering part 132a extends from an edge of the second electrode 132 in an axial direction and is disposed through the first substrate 111. A gap is provided between second crown spring 122 and third insulation layer 114 to facilitate insertion of the second terminal assembly.

Correspondingly, the third electrode 133 includes a third annular conductor and a third welding portion, the inner wall of the third insulating layer 114 is provided with an annular first mounting groove, and a first limiting groove communicated with the first mounting groove and extending along the axial direction, and the first limiting groove penetrates through the first substrate 111 to form a through hole. A third annular conductor and a third crown spring 123 are disposed in the first mounting groove, and a third welding portion is disposed in the first stopper groove and protrudes from the other side of the first base plate 111.

Correspondingly, the fourth electrode 134 includes fourth annular conductor and fourth weld part 134a, the inner wall of the third insulating layer 114 is provided with an annular second mounting groove, and a second limit groove which is communicated with the second mounting groove and extends along the axial direction, the second mounting groove is arranged at the lower side of the first mounting groove, the groove depth of the second mounting groove is smaller than that of the first mounting groove, the outer diameter of the fourth annular conductor is smaller than the inner diameter of the third annular conductor, and a certain included angle is kept between the second limit groove and the first limit groove. The second limiting groove penetrates through the first substrate 111 to form a through hole. A fourth annular conductor and a fourth crown spring 124 are disposed in the second mounting slot. The fourth soldering part 134a is disposed in the second limiting groove and protrudes from the other side of the first substrate 111.

Correspondingly, the fifth electrode 135 includes a fifth annular conductor and a fifth welding portion 135a, the inner wall of the third insulating layer 114 is provided with an annular third mounting groove, a third limit groove communicated with the third mounting groove and extending along the axial direction is formed in the third mounting groove, the third mounting groove is formed in the lower side of the second mounting groove, and the depth of the third mounting groove is smaller than that of the second mounting groove. The outer diameter of the fifth annular conductor is smaller than the inner diameter of the fourth annular conductor. The third limiting groove and the second limiting groove are arranged at a certain included angle. The third limiting groove penetrates through the first substrate 111 to form a through hole. A fifth ring conductor and a fifth crown spring 125 are disposed in the third mounting groove, and a fifth welding part 135a is disposed in the third stopper groove and protrudes from the other side of the first substrate 111.

In an embodiment, referring to fig. 8, the second annular conductor 132b of the second electrode 132 is an annular metal member, a second annular groove 132d is disposed on an outer portion of the second annular conductor 132b, a plurality of second locking grooves 132c are disposed on the second annular conductor 132b, the second locking grooves 132c extend in an axial direction from an end of the second annular conductor 132b away from the second welding portion 132a, and the second locking grooves 132c are disposed in a central symmetry manner. In addition, the second annular groove 132d is further provided with a second snap spring 132e, and the second snap spring 132e covers the periphery of the second annular conductor 132b to play a role in protection and limit the second annular conductor to deform along radial expansion when being inserted into the male plug. A second sheath 132f is further provided around the second annular conductor 132b, and the second sheath 132f is used to cover the second electrode with a stainless steel sleeve for protecting the second annular conductor inside.

In an embodiment, referring to fig. 1 to 11, the first electrode 131 and the second electrode 132 have the same height, the third electrode 133, the fourth electrode 134, and the fifth electrode 125 have the same height and are smaller than the second electrode 132, and the third electrode 133, the fourth electrode 134, and the fifth electrode 125 are partially disposed in three layers in the second electrode 132.

In one embodiment, referring to fig. 8, the second annular conductor 132a is connected to the second welding portion 132b, and the second welding portion 132b extends radially outward from the edge of the annular conductor to form a buffer section and then extends axially from the free end of the buffer section to form a welding end. The welding part is provided with a certain bending angle instead of a direct-insertion circuit board, so that the buffer section can play a certain buffering role, even if the hard connection connector generates small displacement along the axial direction, the impact of the hard connection connector on the circuit board can be buffered by the buffer section, and the problem of circuit off-welding of the electric carrier in the operation process is avoided.

In an embodiment, referring to fig. 1 to 11, an insulating sheath is further disposed outside the first insulating layer 112, and covers an outer periphery of the second joint assembly to protect the second joint assembly and an inner component of the first joint assembly. And a sealing ring 231 can be arranged on the inner wall of the insulating sheath or the outer wall of the first insulating plate, and the sealing ring 231 can play a role in buffering vibration and sealing.

In one embodiment, referring to fig. 1-11, the hard-wired connector further includes a second terminal assembly that mates with the first terminal assembly 100. The second terminal assembly includes a second insulating housing 210, and a sixth electrode 221, a seventh electrode 222, an eighth electrode 223, a ninth electrode 224, and a tenth electrode 225 disposed in the second insulating housing 210. The second insulating base 210 includes a second base plate 211 and an annular insulating plate disposed on the second base plate 211, the annular insulating plate is nested and coaxially disposed, and the specific structure is the same as that of the first connector assembly 100, and the annular insulating plate includes a first insulating plate 212, a second insulating plate 213, a third insulating plate 214, and a fourth insulating plate 215, which are nested and coaxially disposed from outside to inside. The sixth electrode 221 is attached to the outer wall of the second insulating plate 213, and is spaced apart from the third insulating plate 214. The outer wall of the seventh electrode 222 is attached to the outer wall of the third insulating plate 214, and a certain distance is kept between the seventh electrode 222 and the fourth insulating plate 215.

In the present embodiment, the structures of the sixth electrode 221 and the seventh electrode 222 are similar to those of the first electrode 131 and the second electrode 132, and will not be described herein. The eighth electrode 223, the ninth electrode 224 and the tenth electrode 225 are disposed right in the middle of the third insulating plate 214, and the specific structure is similar to that of the 3.5mm audio cable, and a description thereof will not be provided.

In this embodiment, when the second insulating base 210 is inserted into the first insulating base 110, the insulating sheath covers the outer periphery of the first insulating plate 212, and the first insulating layer 112 and the first annular conductor are inserted between the first insulating plate 212 and the sixth electrode 221. The sixth electrode 221 contacts the conductor with the first annular conductor or first crown spring 121. The second insulating layer 113 and the second annular conductor are interposed between the second insulating plate 213 and the seventh electrode 222. Seventh electrode 222 is in contact with a second annular conductor or second crown spring 122. The third insulating layer 113 and the third annular conductor are interposed between the third insulating plate 213 and the eighth electrode 223. Tenth electrode 225 is in contact with a third annular conductor or third crown spring 122. The first insulating plate 212 outside the second insulating base 210 covers the first insulating layer 112 of the first insulating base 110, so that the connection strength of the hard-wired connector can be ensured, and even if the electric vehicle shakes during movement, the second insulating base 210 and the first insulating base 110 can protect the internal electrodes.

In the present embodiment, referring to fig. 5 to 11, the sixth electrode 221 has a sixth welding portion 221a at the bottom thereof, the seventh electrode 222 has a seventh welding portion 222a at the bottom thereof, and the sixth electrode 221 and the seventh electrode 222 have the same structure as the second electrode 132. An eighth welding portion 223a is provided at the lower end of the eighth electrode 223, a ninth welding portion 224a is provided at the lower end of the ninth electrode 224, and a tenth welding portion 225a is provided at the lower end of the tenth electrode 225.

In the above embodiment, the hard-wired connector is a coaxial connector, and the corresponding second terminal assembly and the annular member inside the first terminal assembly are coaxially disposed.

Referring to fig. 1 to 11, the charging and replacing power supply 400 includes a battery pack, a control module 420 and the hard-wired connector. In this embodiment, the first connector assembly 100 is disposed at the bottom of the charging and replacing power supply 400, and is used for connecting the control module 420 inside the rechargeable battery and the battery pack. The positive electrode of the battery pack is electrically connected with the first electrode 131, the negative electrode of the battery pack is electrically connected with the second electrode 132, the control module 420 is provided with a signal circuit and a control circuit, the signal circuit and the control circuit are electrically connected with the third electrode 133, the fourth electrode 134 and the fifth electrode 135, and the third electrode 133, the fourth electrode 134 and the fifth electrode 135 are used for transmitting sensing signals and control signals. Therefore, the second electrode 132 can shield the inner third electrode 133 and the inner fourth electrode 134 to a certain extent, and avoid external signal interference. In this embodiment, the third electrode 133 and the tenth electrode 225 are interfaced for transmitting the PLUG signal, the fourth electrode 134 is interfaced with the ninth electrode 224 for transmitting the CAN1 signal, and the fifth electrode 135 is interfaced with the eighth electrode 223 for transmitting the CAN2 signal.

In this embodiment, the second connector assembly is disposed on the charging seat or a battery compartment of the electric vehicle, and the charging and replacing power supply 400 can be installed without directional limitation with the charging seat and the battery compartment when the appearance condition of the charging and replacing power supply 400 allows, for example, the appearance of the charging and replacing power supply 400 is cylindrical, and the battery compartment or the charging compartment is disposed in a cylindrical cavity. When the square shape is set, the fool-proofing of 180 degrees can be realized.

In the present embodiment, the first joint assembly is disposed in the first mounting seat 140, the second joint assembly is disposed in the second mounting seat 230, the first mounting seat 140 includes a first flange and a first mounting sleeve 141 disposed on the first flange, and the first substrate 111 is disposed in the first mounting sleeve 141. An annular gap into which the first insulating plate 212 is inserted is formed between the inner wall of the first mounting sleeve 141 and the first insulating layer 112. The second mounting seat 230 includes a second flange and a second mounting sleeve disposed on the second flange, and the first insulation plate 212 is disposed in the second mounting sleeve 141 and attached to an inner wall of the second mounting sleeve 141. The first mounting seat 140 and the second mounting seat 230 can be plugged into each other, so as to further protect the second connector assembly and the first connector assembly, and protect the first insulating seat 110 and the second insulating seat 210.

In the above embodiments, the charging and replacing power supply is used not only in the electric vehicle, but also in the UPS power supply and the mobile power supply.

The invention also provides a charging power supply system, which comprises the charging and battery-replacing power supply and a charging seat and/or a power supply seat which are electrically connected with the charging and battery-replacing power supply. In this embodiment, the charging base or the power supply base includes a base 310 and a guide rod 320 slidably connected to the base 310, and a spring 330 is further sleeved outside the guide rod 320. One end of the spring 330 abuts against the seat body 310, the second joint assembly is disposed on the seat body 310, and the spring 330 keeps the second joint assembly abutting against the first joint assembly 100, so that the second joint assembly is not easily separated from the first joint assembly 100 even if the electric vehicle shakes during the movement process.

In an embodiment, the holder body 310 is further provided with an electromagnet 240, and the electromagnet 240 includes an annular iron core and a coil wound on the iron core. The bottom case of the battery charging and replacing power supply is provided with a magnetic conductive metal, specifically, a stainless steel plate can be arranged, and the attraction of the electromagnet 240 to the stainless steel plate keeps the battery charging and replacing power supply 400 and the seat body 310 attached to each other, so that the plugging and unplugging force of the battery charging and replacing power supply 400 and the seat body 310 is further improved, and the battery charging and replacing power supply 400 is prevented from being separated from the seat body 310 due to the shaking of the electric vehicle.

In an embodiment, a limit pin and a limit hole are further disposed between the base 310 and the battery charging and replacing power supply 400, the limit pin is disposed on the base 310, and the limit hole is disposed at the lower end of the battery charging and replacing power supply 400, or the limit pin is disposed at the lower end of the battery charging and replacing power supply 400, and the limit hole is disposed on the base 310, so as to limit the radial swing of the battery when the battery shakes.

In one embodiment, the charging and power supplying system is mainly used for charging and replacing the electric vehicle. The charging power supply system comprises a charging and replacing power supply, a charging bin and a power supply bin. The power supply bin is arranged on the electric carrier, and the charging bin is arranged on the charging cabinet. The charging and replacing power supply can be placed in a charging bin for charging and can also be placed in a power supply bin for supplying power to the electric vehicle. The housing 310 is disposed in the charging chamber and/or the power supplying chamber. One or more seats 310 may be disposed in the power supply compartment and the charging compartment to charge the single or multiple charging/replacing power sources, or to install the single or multiple charging/replacing power sources to power the electric vehicle. The plurality of base bodies 310 can also be integrated into one piece, and a plurality of second connector assemblies are arranged on the same base body 310 to realize the butt joint with a plurality of charging and exchanging power supplies.

The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A hard-wired connector comprising a first terminal assembly including a first insulator base and a plurality of ring electrodes disposed on the first insulator base, the ring electrodes comprising:

a first electrode comprising a first annular conductor;

2. The hard-wired connector of claim 1, wherein the ring electrode comprises a fifth electrode comprising a fifth ring conductor disposed in the second ring conductor, the fifth and third ring conductors being disposed at respective ends of the fourth ring conductor.

3. The hard-wired connector of claim 1, wherein the first insulator seat comprises a first substrate and a plurality of annular insulating layers disposed on the first substrate, the annular insulating layers being coaxially and nestingly disposed, adjacent annular insulating layers having an annular groove therebetween configured to receive the annular electrode.

4. The hard-wired connector of any of claims 1-3, further comprising a second terminal assembly that mates with the first terminal assembly.

5. The hard-wired connector of claim 4, wherein the second terminal assembly comprises a second insulating base mated with the first insulating base, the first insulating base further having a first mounting sleeve mated with an outer wall of the second insulating base at an outer periphery thereof, and a sealing ring disposed between the outer wall of the second insulating base and the first mounting sleeve.

6. A charging and replacement power supply comprising a hard-wired connector as claimed in any one of claims 1 to 5.

7. The charging and replacing power supply according to claim 6, wherein the charging and replacing power supply comprises a battery pack and a signal circuit; the signal circuit is electrically connected with the third electrode and the fourth electrode, the anode of the battery pack is electrically connected with the first electrode, and the cathode of the battery pack is electrically connected with the second electrode.

8. A charging and power supplying system, characterized by comprising the charging and power replacing power supply as claimed in claim 6 and a mounting seat for butt joint electrically connected with the charging and power replacing power supply, wherein a hard connection connector is used for connecting the mounting seat and the charging and power replacing power supply.

9. The charging and power supply system of claim 8, wherein the charging and power supply system comprises an electric vehicle provided with a power supply compartment and/or a charging cabinet provided with the charging compartment, and the mounting seats are provided in the power supply compartment and the charging cabinet.

10. The charging and power supplying system of claim 9, wherein the mounting seat comprises an electromagnet arranged on the seat body and a magnetic conducting piece arranged on the charging and replacing battery and corresponding to the electromagnet.

11. The charging and power supplying system of claim 10, wherein an elastic structure is disposed at the bottom of the seat body and the power supplying bin and/or the charging bin, and the elastic structure enables the seat body and the charging and power supplying source to be attached to each other.