CN212626424U

CN212626424U - Power supply patch cord

Info

Publication number: CN212626424U
Application number: CN202021179814.3U
Authority: CN
Inventors: 阳丽
Original assignee: Dongguan Junplatin Hardware Electronics Co ltd
Current assignee: Dongguan Junplatin Hardware Electronics Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-26
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a power supply patch cord, which comprises a first joint for connecting an old battery, a second joint for connecting a new battery, wires respectively connected with the first joint and the second joint, and a protective sleeve detachably sleeved on the periphery of the wires; the lower end of the first joint is upwards concavely provided with a first inserting groove, and two first conductive terminals are arranged in the first inserting groove; a second plug-in groove is formed in the right end of the second connector, and two second conductive terminals and a grounding terminal are arranged in the second plug-in groove; the upper end of the first joint is connected with a first pushing seat, the joint of the first pushing seat and the lead is coated with a first protective sleeve, the left end of the second joint is connected with a second pushing seat, the joint of the left side of the second pushing seat and the right end of the lead is coated with a second protective sleeve, and the protective sleeve is clamped between the first protective sleeve and the second protective sleeve; the novel battery pack realizes series connection between a new battery and an old battery, enables the old battery which is not scrapped to be continuously used, is energy-saving and environment-friendly, can protect the lead, and is convenient to replace and maintain.

Description

Power supply patch cord

Technical Field

The utility model relates to an electric motor car field of charging technique especially indicates a power patch cord.

Background

With the development of social economy and the popularization of sharing systems, the sharing electric vehicles are more and more widely distributed and more in quantity, and batteries provide power sources for the sharing electric vehicles and play a particularly important role in the sharing electric vehicles.

Cabinets for charging shared electric vehicles are typically provided with a plurality of series connected battery packs, each of which typically has a design life of 3-5 years, or even longer. However, in the actual use process, the service life of the battery is far from the requirement in design, and partial batteries cannot charge the shared electric vehicle even after being used for 1 to 2 years, so that the charging cannot be normally carried out.

Because the new battery is updated on the original battery, and the serial interfaces between the new battery and the original battery are inconsistent, the traditional transfer line is difficult to serially connect the used and unreported old battery and the updated new battery to form the battery pack, so that the original battery of the whole battery pack is generally replaced by the new battery, and the resource waste of the unreported old battery is caused. In addition, the traditional power supply patch cord has unreasonable structural design, single function and poor anti-interference performance and shielding effect.

Therefore, in the present patent application, the applicant has elaborately studied a power patch cord to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a power patch cord, and it realizes establishing ties between new, the old battery for scrapped old battery can continue to use, and is energy-concerving and environment-protective, and can protect the wire, also be convenient for change and maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a power supply patch cord comprises a first connector for connecting an old battery, a second connector for connecting a new battery, leads respectively connected with the first connector and the second connector, and a protective sleeve detachably sleeved on the periphery of the leads;

the lower end of the first joint is upwards concavely provided with a first inserting groove, and two first conductive terminals are arranged in the first inserting groove; a second inserting groove is concavely arranged at the right end of the second joint towards the left, and two second conductive terminals and a grounding terminal are respectively arranged in the second inserting groove;

the upper end fixedly connected with of first joint pushes away the pressure seat first, the right side of first pushing away pressure seat and the junction between them of the left end of wire cladding have first protective sheath, the left end fixedly connected with second that the second connects pushes away the pressure seat, the left side of second pushing away pressure seat and the junction between them of the right-hand member of wire cladding have the second protective sheath, the protective sheath presss from both sides and locates between first protective sheath and the second protective sheath.

As a preferred scheme, the lead comprises two cable cores, an insulating layer, a first shielding layer, a first flame-retardant layer, a low-temperature-resistant layer, a first heat-insulating layer and an ethylene propylene diene monomer rubber layer which are sequentially and jointly coated on the peripheries of the two cable cores from inside to outside, the insulating layer, the first shielding layer, the first flame-retardant layer, the low-temperature resistant layer, the first heat-insulating layer and the ethylene propylene diene monomer rubber layer are all of a coaxial coating structure, a conductor is arranged in each cable core, waterproof yarns are filled in a gap part between each cable core and the insulating layer, two ends of each cable core are respectively connected with the corresponding first conductive terminal and the second conductive terminal, a grounding wire is arranged between the first shielding layer and the first flame-retardant layer, the grounding wire is respectively in close contact with the first shielding layer and the first flame-retardant layer, and the grounding terminal is respectively connected with the first shielding layer and the grounding wire;

the protective sleeve is provided with a protective sleeve body and sequentially arranged on a second flame-retardant layer, a second shielding layer, a second heat-insulating layer and a wear-resistant layer outside the protective sleeve body from inside to outside, the protective sleeve body is provided with hollow holes penetrating through the left end and the right end of the protective sleeve body, and the wires are adapted to the hollow holes.

Preferably, a plurality of drainage cores are arranged in the first flame-retardant layer.

As a preferred scheme, one of the outer wall surface of the ethylene propylene diene monomer layer and the inner wall surface of the hollow hole is convexly provided with a clamping protrusion, the other one is concavely provided with a clamping groove, and the clamping protrusion is matched in the clamping groove.

Preferably, a pull buckle part is rotatably connected to the first pressing seat.

As a preferable scheme, the second pushing and pressing seat is provided with a fluorescent patch and a holding concave position convenient to hold, and the holding concave position is convexly provided with an anti-slip strip.

As a preferred scheme, the protective sleeve is including last protective sleeve and the lower protective sleeve that can go up the reassembling type connection from top to bottom, it all has the protective sleeve body and from interior to exterior sets gradually in this external fire-retardant layer of second of protective sleeve, second shielding layer, second insulating layer, wearing layer to go up protective sleeve and lower protective sleeve, it has the last well casement that runs through its left and right ends to go up protective sleeve, lower protective sleeve has the lower well casement that runs through its left and right ends, go up protective sleeve and splice connection about the protective sleeve, go up well casement and well casement formation well casement down.

Preferably, the first flame-retardant layer is a low-smoke halogen-free flame-retardant elastomer material.

Preferably, the first shielding layer is a braided layer of tinned copper wire.

As a preferable scheme, the fire-resistant layer is a ceramic fire-resistant and fire-resistant composite belt.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, according to the technical scheme, the serial connection between the new and old batteries is realized mainly by designing the two ends of the wire into a DC plug and an AC plug respectively, so that the old battery which is not scrapped can be continuously used, the energy is saved, the environment is protected, and meanwhile, the wire can be protected through the detachable design of the protective sleeve, and the replacement and the maintenance are also convenient;

secondly, each material layer of the wire is reasonable in structural design, so that the wire has strong flame retardance, heat insulation, low temperature resistance, fire resistance, wear resistance, anti-interference performance, electromagnetic shielding performance and ageing resistance, and the service life of the wire is prolonged;

moreover, the anti-interference capability and the shielding capability of the lead can be further improved through the structural design of the protective sleeve;

in addition, through the matching of the first pushing seat, the second pushing seat, the pull buckle part, the anti-slip strip and the holding concave position, the holding, the inserting and the pulling are convenient, too much force is not needed during inserting and pulling, and the inserting and the pulling tightness are reduced;

and the cooperation through buckle and draw-in groove for the location between wire and the protective sheath is accurate and the equipment is convenient, ensures the stability and the reliability of wire in the use.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a top view of an embodiment of the present invention;

fig. 2 is a first partial structural front view of an embodiment of the present invention (showing primarily a first fitting, a first push block, and a first protective sheath);

fig. 3 is a second partial structural front view of an embodiment of the present invention (showing primarily a second joint, a second thrust pad, and a second protective sleeve);

fig. 4 is a right side view of a second joint according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of a conductive wire according to an embodiment of the present invention.

Fig. 6 is a schematic cross-sectional structure diagram of a protective sleeve according to an embodiment of the present invention.

The attached drawings indicate the following:

11. first joint

111. First conductive terminal 112 and first insertion groove

12. The first pushing seat 121 and the pulling part

13. First protective sheath

21. Second connector 211 and second conductive terminal

212. Second insertion groove 213 and ground terminal

22. Second pushing seat 221 and fluorescent patch

222. Antislip strip 223, concave position for holding

23. Second protective sleeve

30. Lead 31 and cable core

32. Insulating layer 33, first shield layer

34. First flame retardant layer 341, drainage core

35. Refractory layer 36, low temperature resistant layer

37. First heat insulation layer 38 and ethylene propylene diene monomer rubber layer

39. Grounding wire

40. Protective sleeve

41. Protective casing body 411 and hollow hole

42. Second flame retardant layer 43, second shielding layer

44. Second heat insulation layer 45 and wear-resistant layer

51. A clamping protrusion 52 and a clamping groove.

Detailed Description

Referring to fig. 1 to 6, which show a specific structure of an embodiment of the present invention, a power adapter cable includes a first connector 11 for connecting an old battery, a second connector 21 for connecting a new battery, a conducting wire 30 respectively connected to the first connector 11 and the second connector 21, and a protective sleeve 40 detachably sleeved on the periphery of the conducting wire 30;

a first inserting groove 112 is concavely arranged at the lower end of the first joint 11 upwards, and two first conductive terminals 111 are arranged in the first inserting groove 112; a second inserting groove 212 is concavely arranged at the right end of the second joint 21 towards the left, and two second conductive terminals 211 and a grounding terminal 213 are respectively arranged in the second inserting groove 212;

in this embodiment, a first pushing seat 12 is fixedly connected to an upper end of the first joint 11. Preferably, the first pushing seat 12 is rotatably connected with a pulling buckle portion 121, the pulling buckle portion 121 facilitates the insertion and extraction of the first connector 11, and preferably, the pulling buckle portion 121 is detachably connected with the first pushing seat 12. The joint of the right side of the first pushing seat 12 and the left end of the lead 30 is coated with a first protective sleeve 13, and the left end of the second joint 21 is fixedly connected with a second pushing seat 22. Preferably, the second pushing seat 22 is provided with a fluorescent patch 221 and a holding concave position 223 convenient to hold, and the holding concave position is convexly provided with an anti-slip strip 222, so that better insertion and extraction can be realized. The fluorescent patch 221 allows the second connector 21 to be used normally in a dark place.

The junction between the left side of the second pushing seat 22 and the right end of the lead 30 is coated with a second protective sleeve 23, and the protective sleeve 40 is clamped between the first protective sleeve 13 and the second protective sleeve 23. Through the design of first protective sheath 13 and second protective sheath 23, can increase the mechanical strength of the junction of wire 30 and first joint 11, second joint 21, prevent the junction fracture of wire 30, prolong its life.

The connection mode of first joint 11, first push seat 12 and first protective sheath 13 three and the left end of wire 30 is integrated into one piece, the connection mode of second joint 21, second push seat 22 and second protective sheath 23 three and the right-hand member of wire 30 also is integrated into one piece, makes the junction structure of whole power patch cord compact, and the cooperation is perfect, can effectually prevent to receive the interference of water. The first joint 11, the first pushing seat 12, the first protecting sleeve 13, the second joint 21, the second pushing seat 22 and the second protecting sleeve 23 are all made of environment-friendly friction-resistant rubber.

As shown in fig. 5, the lead 30 includes two cable cores 31, and an insulating layer 32, a first shielding layer 33, a first flame retardant layer 34, a flame retardant layer 35, a low temperature resistant layer 36, a first thermal insulation layer 37, and an ethylene propylene diene monomer layer 38 which are sequentially and jointly coated on the periphery of the two cable cores 31 from inside to outside, the insulating layer 32, the first shielding layer 33, the first flame retardant layer 34, the flame retardant layer 35, the low temperature resistant layer 36, the first thermal insulation layer 37, and the ethylene propylene diene monomer layer 38 are all coaxially coated structures, a conductor is arranged in each cable core 31, a gap between each cable core 31 and the insulating layer 32 is partially filled with waterproof yarn, by filling the waterproof yarn, on one hand, flexibility of the lead 30 can be increased, the lead 30 is prevented from being broken due to repeated twisting, tensile strength of the power supply switching wire is improved, the lead 30 is prevented from being broken, normal operation of the electric, prevent that moisture from getting into wire 30 inside and causing the copper wire oxidation corrosion, further improved the utility model discloses an ageing resistance can.

Two ends of each cable core 31 are respectively connected to the corresponding first conductive terminal 111 and the second conductive terminal 211, and preferably, a plurality of drainage cores 341 are disposed in the first flame retardant layer 34. A grounding wire 39 is arranged between the first shielding layer 33 and the first flame-retardant layer 34, the grounding wire 39 is respectively in close contact with the first shielding layer 33 and the first flame-retardant layer 34, and the grounding terminal 213 is respectively connected with the first shielding layer 33 and the grounding wire 39. In this embodiment, the first shielding layer 33 is made of a relatively soft, single-sided conductive, longitudinally-wrapped aluminum foil with the conductive surface facing outward, and the grounding wire 39 is a stranded copper conductor with a surface plated with tin and is disposed outside the first shielding layer 33.

Preferably, the first flame retardant layer 34 and the second flame retardant layer 42, which will be described below, are both low smoke halogen-free flame retardant elastomer materials, which have excellent characteristics of softness, environmental friendliness, high flame retardancy, high and low temperature resistance, and the like. The first shielding layer 33 is a braided layer of tinned copper wire. The fire-resistant layer 35 is a ceramic fireproof and fire-resistant composite belt. The EPDM layer 38 is used as the outermost protective layer of the conductive wire 30, so that the conductive wire 30 has excellent aging resistance. The low-temperature resistant layer 36 is made of a thermal-speed elastomer TPE material which has strong low-temperature resistance, is non-toxic, safe and environment-friendly, and can meet the low-temperature resistance required by a power supply patch cord. The first heat insulation layer 37 and the second heat insulation layer 44 are glass fiber woven layers, and can effectively insulate high external temperature.

As shown in fig. 6, the protective sleeve 40 includes a protective sleeve body 41, and a second flame retardant layer 42, a second shielding layer 43, a second heat insulation layer 44, and a wear layer 45 sequentially disposed outside the protective sleeve body 41 from inside to outside. Because great electromagnetic radiation can be produced to the heavy current, consequently, through design first shielding layer 33 in the wire 30, on the one hand can improve the shielding capacity of wire 30, and the radiation that produces when avoiding passing through the heavy current in the wire 30 leaks, and the another side can effectively prevent external electromagnetic interference, then improves the interference killing feature of wire 30, and especially, combines the second shielding layer 43 of protective sleeve 40, realizes double shielding, further improves the interference killing feature and the shielding feature of wire 30. Preferably, the second shielding layer 43 is a braided layer of tinned copper wire.

The protective casing body 41 has a hollow hole 411 passing through the left and right ends thereof, and the lead 30 is fitted in the hollow hole 411. In this embodiment, one of the outer wall surface of the epdm layer 38 and the inner wall surface of the hollow hole 411 is provided with a convex clip 51, and the other is provided with a concave clip 52, and the convex clip 51 is adapted to the clip 52.

Preferably, the protection casing 40 is including last protection casing 40 and the lower protection casing 40 that can go up the reassembling type connection from top to bottom, it all has protection casing body 41 and sets gradually the fire-retardant layer 42 of second, second shielding layer 43, second insulating layer 44, wearing layer 45 outside protection casing body 41 from inside to outside to go up protection casing 40 and lower protection casing 40, it has the last cavity hole 411 that runs through its left and right ends to go up protection casing 40, lower protection casing 40 has the lower cavity hole 411 that runs through its left and right ends, go up protection casing 40 and lower protection casing 40 and splice from top to bottom and connect, go up cavity hole 411 and lower cavity hole 411 formation cavity hole 411.

The utility model is mainly characterized in that the two ends of the wire are respectively designed into a DC plug and an AC plug, so as to realize the series connection between the new and the old batteries, so that the old batteries which are not scrapped can be continuously used, thereby saving energy and protecting environment;

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A power patch cord, comprising: the battery protection device comprises a first joint for connecting an old battery, a second joint for connecting a new battery, leads respectively connected with the first joint and the second joint, and a protection sleeve detachably sleeved on the periphery of the leads;

2. The power patch cord of claim 1, wherein: the wire comprises two cable cores, and an insulating layer, a first shielding layer, a first flame-retardant layer, a low-temperature-resistant layer, a first heat-insulating layer and an ethylene propylene diene monomer layer which are sequentially and jointly coated on the periphery of the two cable cores from inside to outside, wherein the insulating layer, the first shielding layer, the first flame-retardant layer, the low-temperature-resistant layer, the first heat-insulating layer and the ethylene propylene diene monomer layer are all of a coaxial coating structure;

3. The power patch cord of claim 2, wherein: a plurality of drainage cores are arranged in the first flame-retardant layer.

4. The power patch cord of claim 2, wherein: one of the outer wall surface of the ethylene propylene diene monomer layer and the inner wall surface of the hollow hole is convexly provided with a clamping protrusion, the other one is concavely provided with a clamping groove, and the clamping protrusion is matched in the clamping groove.

5. The power patch cord of claim 1, wherein: the first pushing and pressing seat is rotatably connected with a pulling and buckling part.

6. The power patch cord of claim 1, wherein: the second bulldozes and is equipped with the fluorescence paster and the concave position of gripping of being convenient for to grip on the seat, it is equipped with the antislip strip to grip concave position epirelief.

7. The power patch cord of claim 2, wherein: the utility model discloses a fire-retardant layer of lag pipe, including last lag pipe and lower lag pipe that reassembling type is connected from top to bottom, go up lag pipe and lower lag pipe and all have the lag pipe body and by interior and set gradually in this external fire-retardant layer of second of lag pipe, second shielding layer, second insulating layer, wearing layer, it has the last well casement that runs through its left and right-hand members to go up the lag pipe, down the lag pipe has the lower well casement that runs through its left and right sides end, go up the lag pipe and splice connection about the lag pipe down, go up well casement and lower well casement formation well casement.

8. The power patch cord of claim 2, wherein: the first flame-retardant layer is made of low-smoke halogen-free flame-retardant elastomer materials.

9. The power patch cord of claim 2, wherein: the first shielding layer is a tinned copper wire braid.

10. The power patch cord of claim 2, wherein: the fire-resistant layer is a ceramic fireproof and fire-resistant composite belt.