CN218471661U - Charging gun cable based on forced cooling of phase-change material - Google Patents

Charging gun cable based on forced cooling of phase-change material Download PDF

Info

Publication number
CN218471661U
CN218471661U CN202222979421.6U CN202222979421U CN218471661U CN 218471661 U CN218471661 U CN 218471661U CN 202222979421 U CN202222979421 U CN 202222979421U CN 218471661 U CN218471661 U CN 218471661U
Authority
CN
China
Prior art keywords
heat exchange
cable
change material
layer
charging gun
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202222979421.6U
Other languages
Chinese (zh)
Inventor
闫素英
程蓉
王胜捷
佐双吉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia University of Technology
Original Assignee
Inner Mongolia University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inner Mongolia University of Technology filed Critical Inner Mongolia University of Technology
Priority to CN202222979421.6U priority Critical patent/CN218471661U/en
Application granted granted Critical
Publication of CN218471661U publication Critical patent/CN218471661U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Landscapes

  • Insulated Conductors (AREA)

Abstract

The utility model discloses a charging gun cable based on phase-change material forced cooling, which comprises a cable core, an inner protective layer, a metal armor layer and an outer protective layer; on the same cross section: the cable core, the inner protection layer, the metal armor layer and the outer protection layer are sequentially arranged from inside to outside; in a cross-section of the cable core: the cable comprises a conductor fiber core, an inner semi-conductive shielding layer, an insulating layer, an outer semi-conductive shielding layer and a metal shielding layer from inside to outside in sequence; a heat exchange tube is arranged in a space between the cable core and the inner protective layer; phase change materials are filled in gaps among the cable core, the heat exchange tube and the inner protective layer; the heat exchange tubes have a heat exchange fluid therein. The utility model discloses can solve for shortening the charge time and increase the heat increase that the current-carrying capacity leads to producing and the safety problem that causes.

Description

Charging gun cable based on forced cooling of phase-change material
Technical Field
The utility model relates to the technical field of cables. In particular to a charging gun cable based on forced cooling of phase change materials.
Background
At present, the main factors influencing the comprehensive popularization of the new energy pure electric vehicle are short mileage and slow charging time. With the continuous breakthrough of the power battery technology, the endurance mileage of the electric vehicle is gradually increased, but at the same time, the charging becomes another relatively troublesome problem. If the charging and battery problems could be effectively solved, the electric vehicle would be developed rapidly.
At present, a domestic quick charging station is started, a charging pile is charged through a combined charging system, the charging power is up to 350KW, and the charging time can be effectively shortened. The domestic 400 km-duration new energy electric automobile has relatively long charging time, generally needs 2-3h when being quickly charged to 80% of rated electric quantity, and needs more than 12h when being slowly charged. The most direct and effective method for improving the endurance and accelerating the charging time is to increase the power and increase the current-carrying capacity, and the method is usually realized by increasing the conductor sectional area of a cable. According to the GB/T20234.1-2015 charging gun wiring specification, 35mm 2 The rated current carrying of the DC charging wire is 125A, and the cross-sectional area of the wire is at least 150mm to be more than 400A 2 The above. And after increasing the current-carrying capacity, according to Q = I 2 Rt, the heat generated by the cable also increases dramatically, but the safe service temperature of the outer sheath of the cable is no more than 50 ℃. Therefore, a method for effectively reducing the temperature of the cable is urgently needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that a rifle cable charges based on phase change material forced cooling is provided to the solution leads to the heat increase of production and the safety problem that causes for shortening charge time and increase the current-carrying capacity.
In order to solve the technical problem, the utility model provides a following technical scheme:
a charging gun cable based on forced cooling of phase change materials comprises a cable core, an inner protection layer, a metal armor layer and an outer protection layer; on the same cross section: the cable core, the inner protection layer, the metal armor layer and the outer protection layer are sequentially arranged from inside to outside; in a cross-section of the cable core: the cable comprises a conductor fiber core, an inner semi-conductive shielding layer, an insulating layer, an outer semi-conductive shielding layer and a metal shielding layer from inside to outside in sequence;
a heat exchange tube is arranged in a space between the cable core and the inner protective layer; phase change materials are filled in gaps among the cable core, the heat exchange tube and the inner protective layer; the heat exchange tubes have a heat exchange fluid therein.
According to the charging gun cable based on forced cooling of the phase-change material, the heat exchange tubes are two or more fin heat exchange tubes.
According to the charging gun cable based on the forced cooling of the phase-change material, the fin heat exchange tube comprises a straight tube and fins; the fins are distributed along the circumferential direction of the outer wall surface of the straight pipe.
In the charging gun cable based on the forced cooling of the phase-change material, the fins are fixed on the outer wall surface of the straight pipe in a welding mode; and assuming that the welding line of the fin and the outer wall surface of the straight pipe is a straight line L, the tangent plane of the straight pipe passing through the straight line L is perpendicular to the fin.
Above-mentioned rifle cable charges based on phase change material forced cooling, the cable core is single, two or more.
Above-mentioned rifle cable charges based on phase change material forced cooling, the cable core is 3, the heat exchange tube is 3.
According to the charging gun cable based on the forced cooling of the phase-change material, the heat exchange fluid is cold air or cooling liquid.
According to the charging gun cable based on forced cooling of the phase-change material, the heat exchange fluid is cooling water.
According to the charging gun cable based on forced cooling of the phase-change material, the insulating layer is made of a high-heat-conductivity and non-conductive material.
Above-mentioned rifle cable charges based on phase change material forced cooling, the heat exchange tube is the copper heat exchange tube.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. the utility model discloses integrated liquid cooling and two kinds of methods of phase change material cooling mode, designed a rifle cable that charges based on phase change material forced cooling on the basis of the advantage that combines the liquid cooling, aim at solving for shortening the charge time and increase the heat increase that the current-carrying capacity leads to producing and the safety problem that causes. The phase-change material filled in the cable can effectively discharge and recycle the heat generated by the cable; the cable uses phase-change materials and heat-exchange fluid as working media to realize forced cooling of the cable.
2. The utility model discloses a phase change material controls the temperature to the cable, and rethread heat transfer fluid and phase change material heat transfer are traded the heat away, and this kind of mode is effectual not only has reduced the temperature of the rifle cable that charges, gets up this part heat storage application in other fields through phase change material moreover, and then improves energy utilization. The heat exchange area between the heat exchange phase change material and the heat boundary can be enhanced by adding the fins on the straight pipe of the heat exchange pipe, so that the heat exchange is strengthened, and the heat exchange efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a charging gun cable based on forced cooling of a phase change material according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a heat exchange tube 6 in an embodiment of the present invention;
fig. 3 is a schematic structural view of another charging gun cable based on forced cooling of phase-change material.
The reference numbers in the figures denote: 1-a conductor core; 2-an inner semi-conductive shield layer; 3-an insulating layer; 4-an outer semiconductive shield layer; 5-a metal shielding layer; 6-heat exchange tube; 61-straight pipe; 62-fins; 7-a heat exchange fluid; 8-phase change material; 9-inner sheath layer; 10-a metal armor layer; 11-outer sheath.
Detailed Description
The charging gun cable structure based on forced cooling of the phase change material in the embodiment is shown in fig. 1, and comprises 3 cable cores, an inner sheath 9, a metal armor layer 10 and an outer sheath 11; on the same cross section: the cable core, the inner protection layer 9, the metal armor layer 10 and the outer protection layer 11 are sequentially arranged from inside to outside; in a cross-section of each of said cable cores: the cable comprises a conductor fiber core 1, an inner semi-conductive shielding layer 2, an insulating layer 3, an outer semi-conductive shielding layer 4 and a metal shielding layer 5 from inside to outside in sequence; a heat exchange tube 6 is arranged in a space between the cable core and the inner protective layer 9; phase change materials 8 are filled in gaps among the cable cores, among the heat exchange tubes 6, between the cable cores and the inner protective layer 9 and between the heat exchange tubes 6 and the inner protective layer; the heat exchange tube 6 is internally provided with a heat exchange fluid 7, and the heat exchange fluid 7 is cooling water.
In this embodiment, the heat exchange tube 6 is a 3-fin heat exchange tube, and the structure of the heat exchange tube is shown in fig. 2. The finned heat exchange tube comprises a straight tube 61 and fins 62; the fins 62 are circumferentially distributed along the outer wall surface of the straight pipe 61; the fins 62 are fixed on the outer wall surface of the straight pipe 61 in a welding mode; assuming that the welding line between the fin 62 and the outer wall surface of the straight tube 61 is a straight line L, the tangent plane of the straight tube 61 passing through the straight line L is perpendicular to the fin 62 (in other embodiments, the included angle between the tangent plane of the straight tube 61 passing through the straight line L and the fin 62 may also be smaller than 90 °).
In this embodiment, the conductor core 1 is a 1 st copper solid conductor in GB/T3956, and in other embodiments, it may also be a 1 st aluminum solid conductor, a 2 nd copper stranded conductor, or a 2 nd aluminum stranded conductor; the inner semi-conductive shielding layer 2, the insulating layer 3, the outer semi-conductive shielding layer 4 and the metal shielding layer 5 adopt the model specification of ultra-high voltage grade;
the working principle of the charging gun cable based on forced cooling of the phase-change material is as follows: when the current-carrying capacity of the cable is large, the cable can generate a large amount of heat, the temperature can be conducted from the conductor fiber core to the outside step by step, when the heat is transmitted to the phase-change material layer, the temperature of the phase-change material is gradually increased to the phase-change temperature to start phase-change energy storage, and when the phase-change material is completely melted, the energy storage is finished. At the moment, heat exchange is carried out between the phase-change material and the heat exchange fluid in the heat exchange tube 6; if the phase change material begins to solidify again without being charged, the heat transfer fluid carries away heat and is used in other areas.
The charging gun cable in the embodiment uses the phase-change material to absorb heat generated by the cable in the charging process, and transfers the heat to the heat-exchange fluid in a heat conduction mode, so that the temperature of the heat-exchange fluid can be recycled. The embodiment uses the phase-change material and the heat exchange fluid as working media, and the cable with phase-change cooling can effectively reduce the danger of the cable caused by overhigh temperature and improve the utilization rate of energy.
In other embodiments, the cable cores in the charging gun cable based on forced cooling of the phase change material may also be single (as shown in fig. 3), two or more. The heat exchange tubes 6 can also be ordinary straight tubes or other heat exchange tubes, and the number of the heat exchange tubes 6 can also be adjusted according to actual conditions.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.

Claims (10)

1. A charging gun cable based on forced cooling of a phase-change material is characterized by comprising a cable core, an inner protective layer (9), a metal armor layer (10) and an outer protective layer (11); on the same cross section: the cable core, the inner protection layer (9), the metal armor layer (10) and the outer protection layer (11) are sequentially arranged from inside to outside; in a cross-section of the cable core: the cable is characterized in that a conductor fiber core (1), an inner semi-conductive shielding layer (2), an insulating layer (3), an outer semi-conductive shielding layer (4) and a metal shielding layer (5) are arranged from inside to outside in sequence;
a heat exchange tube (6) is arranged in a space between the cable core and the inner protective layer (9); a phase change material (8) is filled in gaps among the cable core, the heat exchange tube (6) and the inner protective layer (9); the heat exchange tubes (6) have a heat exchange fluid (7) therein.
2. The phase change material forced cooling-based charging gun cable according to claim 1, wherein the heat exchange tube (6) is two or more finned heat exchange tubes.
3. The phase change material forced cooling-based charging gun cable according to claim 2, wherein the finned heat exchange tube comprises a straight tube (61) and a fin (62); the fins (62) are distributed along the circumferential direction of the outer wall surface of the straight pipe (61).
4. The phase change material forced cooling-based charging gun cable according to claim 3, characterized in that the fins (62) are fixed on the outer wall surface of the straight tube (61) by welding; assuming that a welding line between the fin (62) and the outer wall surface of the straight tube (61) is a straight line L, a tangent plane of the straight tube (61) passing through the straight line L is perpendicular to the fin (62).
5. The phase change material forced cooling-based charging gun cable according to claim 1, wherein the cable cores are single, two or more.
6. The phase change material forced cooling-based charging gun cable according to claim 1, wherein the number of the cable cores is 3, and the number of the heat exchange pipes (6) is 3.
7. Charging gun cable based on phase change material forced cooling according to claim 1 characterized in that the heat exchanging fluid (7) is cold air or a cooling liquid.
8. Charging gun cable based on forced cooling of phase change material according to claim 7, characterized in that the heat exchanging fluid (7) is cooling water.
9. Charging gun cable based on forced cooling of phase change material according to claim 1 characterized in that the insulating layer (3) is a layer of highly thermally conductive and electrically non-conductive material.
10. The phase change material forced cooling-based charging gun cable according to claim 1, characterized in that the heat exchange tube (6) is a copper heat exchange tube.
CN202222979421.6U 2022-11-09 2022-11-09 Charging gun cable based on forced cooling of phase-change material Active CN218471661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222979421.6U CN218471661U (en) 2022-11-09 2022-11-09 Charging gun cable based on forced cooling of phase-change material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222979421.6U CN218471661U (en) 2022-11-09 2022-11-09 Charging gun cable based on forced cooling of phase-change material

Publications (1)

Publication Number Publication Date
CN218471661U true CN218471661U (en) 2023-02-10

Family

ID=85149598

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222979421.6U Active CN218471661U (en) 2022-11-09 2022-11-09 Charging gun cable based on forced cooling of phase-change material

Country Status (1)

Country Link
CN (1) CN218471661U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117705517A (en) * 2023-12-08 2024-03-15 河北易高生物燃料有限公司 Temperature-adjustable sampling system for measuring heavy metal content of flue gas and control method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117705517A (en) * 2023-12-08 2024-03-15 河北易高生物燃料有限公司 Temperature-adjustable sampling system for measuring heavy metal content of flue gas and control method thereof

Similar Documents

Publication Publication Date Title
CN218471661U (en) Charging gun cable based on forced cooling of phase-change material
CN217690595U (en) Cable with a protective layer
CN110600168B (en) Liquid cooling charging cable and cooling system applied to electric automobile rapid charging
CN206639641U (en) A kind of cooling cable system for the high-power charging of electric automobile
CN217655699U (en) Cable and charging device
CN212322712U (en) Liquid cooling cable
CN106849228A (en) Charging equipment cooling system
JP7330368B2 (en) electric car charging cable
CN109036694A (en) A kind of cooling cable of high-power charge connector
KR20220003724A (en) Water-cooled, fast-charging cables using heat pipes
CN113192674A (en) Liquid cooling charging cable with intelligent chip temperature feedback and dynamic cooling functions and manufacturing method
CN209345422U (en) A kind of armouring MI that the big thermal conductivity of heat-conducting area is high heating cable
CN215988195U (en) High-power charging cable for new energy automobile
CN109860461A (en) The preparation method of battery case, battery and battery case
CN115954622A (en) Busbar, electrical system and battery package
CN212073704U (en) Rifle line cooling device charges
CN113400968A (en) Cooling circulation structure of super-power charging gun
CN114822925A (en) Small-wire-diameter charging cable structure and charging device
CN220106098U (en) New energy automobile charges rifle with water-cooling cable and rifle that charges
CN218447341U (en) Liquid cooling cable, charging gun and charging equipment
CN111584125A (en) Novel intelligent cooling type charging pile cable
CN219936733U (en) New energy charging low-voltage cable
CN118366719A (en) Liquid cooling heat dissipation cable
CN217468057U (en) Cable and charging device
CN209388754U (en) AC charging line and vehicle

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant