CN108806851B - Special liquid cooling cable of new energy automobile direct current 600A rifle that charges - Google Patents
Special liquid cooling cable of new energy automobile direct current 600A rifle that charges Download PDFInfo
- Publication number
- CN108806851B CN108806851B CN201810574607.9A CN201810574607A CN108806851B CN 108806851 B CN108806851 B CN 108806851B CN 201810574607 A CN201810574607 A CN 201810574607A CN 108806851 B CN108806851 B CN 108806851B
- Authority
- CN
- China
- Prior art keywords
- liquid cooling
- charging gun
- insulating
- liquid
- cooling
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
A liquid cooling cable special for a new energy automobile direct current 600A charging gun comprises a liquid cooling cable insulation outer cover (1), a PE wire (11) and a plurality of signal wires (10), wherein the PE wire and the signal wires are arranged in the liquid cooling cable insulation outer cover (1), and a direct current DC + and a direct current DC-are also arranged in the liquid cooling cable insulation outer cover (1). Finally, the purpose of effectively avoiding the overheating phenomenon of the charging gun terminal and the soft lead in the charging process is achieved.
Description
Technical Field
The invention relates to the technical field of high-power charging piles, in particular to a liquid cooling cable special for an adaptive charging gun bending cavity. The cooling liquid channels of the DC + and DC-two liquid cooling cables are connected in series and communicated in the charging gun, and cooling liquid circularly flows between the DC + and DC-two liquid cooling cables for cooling.
Background
It is known that with the popularization and application of new energy electric vehicles in developed countries in the world, the new energy electric vehicles in China are different day by day, and the industry is vigorous. The new energy electric automobile has no tail gas emission, is environment-friendly and is rapidly developed; and the fuel-powered vehicle will gradually exit the history arena. With the disappearance of fuel automobiles, the accompanying gas stations will also complete the historical mission of the fuel automobiles, and instead, the fuel stations are all over the country, and the hardware facilities of the fuel stations are high-power charging piles. Taking the charging of the electric bus as an example, if the existing medium-power charging pile is used for charging, the charging of the battery can take three hours, and the consumed time is long.
The connection of the power supply of the medium-power charging pile and the charging gun is a dry integrated cable. The medium-power charging pile has 750V direct-current voltage and less than 250 amperes of output current, and takes at least three hours for charging the storage battery of the whole electric bus by taking the charging of the electric bus of a common vehicle type as an example. When the charging current reaches 250 amperes, the temperature of the soft conductor of the integrated cable and the terminal of the charging gun is 120 degrees0C and cannot work. The technical parameters of a domestic high-power charging pile which is researched and developed cannot meet the requirement of new energy automobile development because the charging efficiency of the medium-power charging pile is not high, namely, 1000-1500V of direct-current charging voltage and 500-600A of direct current are output, and if the high-power charging pile is used for charging, taking the charging of an electric bus of a common automobile type as an example, the charging of a storage battery of the whole automobile only needs 15 minutes; high-power charging pile charge efficiency is high, is the mainstream product of future charging station.
High-power electric pile of filling outputs direct current 500 ~ 600 ampere, and the liquid cooling cable must be used to the electric current that the cable that connects electric pile power and the rifle that charges will bear 600 ampere. The rifle that charges comprises the rifle body and charging plug, is the crooked cavity between the rifle body handle of the rifle that charges to the charging plug of the rifle that charges, and the liquid cooling cable links to each other with the rifle that charges, and the liquid cooling cable must pass through the crooked cavity of the rifle that charges, and this is not the problem to dry-type integrated cable, and is problematic to the liquid cooling cable, and the problem is the minimum bend radius who relates to the liquid cooling cable, and the oversheath insulation support of liquid cooling cable can take place deformation in the crooked intracavity of the rifle that charges, the route of direct influence coolant liquid.
Disclosure of Invention
The invention aims to provide a liquid cooling cable special for a direct current 600A charging gun of a new energy automobile.
The heat dissipation problem of the dry-type integrated cable can be solved, and the problem that the outer sheath insulating sleeve of the liquid cooling cable deforms in the bending cavity of the charging gun to influence the circulation of cooling liquid when the liquid cooling cable passes through the bending cavity of the charging gun and is connected with the charging gun can be solved. The technical scheme is as follows: the soft conducting wire of the cable is cooled by using the circularly flowing cooling liquid, the section of the soft conducting wire of the liquid-cooled cable is only 35-60 square millimeters, the cross section of the soft conducting wire of the liquid-cooled cable is smaller than 70 square millimeters of the dry integrated cable of the medium-power charging pile, the outer diameter of the whole cable is only 39 millimeters, and the outer diameter of the whole cable is the same as that of the traditional dry integrated cable. The tail bending liquid cooling terminal is just matched with the bending cavity of the charging gun after being assembled with the charging gun, so that the insulating sleeve of the outer sheath of the liquid cooling cable is ensured not to deform or have extremely small deformation amount after passing through the bending cavity of the charging gun, and the smoothness of a cooling liquid channel of the liquid cooling cable is ensured. The special liquid cooling cable of the direct current 600A charging gun of the new energy automobile can safely bear the current of 600 amperes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a liquid cooling cable special for a direct current 600A charging gun of a new energy automobile comprises a liquid cooling cable insulation outer cover, a PE wire and a plurality of signal wires, wherein the PE wire and the signal wires are arranged in the liquid cooling cable insulation outer cover;
the tail bending liquid cooling terminal comprises a charging gun liquid cooling terminal body and is of a hollow structure with one open end and one closed end; the front end of each charging gun liquid cooling terminal body is an opening wiring end correspondingly connected with the soft lead, and the tail end of each charging gun liquid cooling terminal body is a closed plug end correspondingly connected with the charging socket of the electric automobile; the end parts of the opening wiring ends of the two charging gun liquid cooling terminal bodies and the middle part of the charging gun liquid cooling terminal body are both arc-shaped bending structures, the bending angles of the two parts are consistent, and the bending directions are opposite; the two charging gun liquid cooling terminal bodies close to the end of the closed plug are communicated with the inner cavities of the two charging gun liquid cooling terminal bodies through an insulating connecting pipe assembly, and the insulating connecting pipe assembly is perpendicular to the bending planes of the two charging gun liquid cooling terminal bodies; one end part of the soft lead is electrically connected in the inner cavity of the open wiring terminal, and the outer sheath insulating sleeve of the corresponding part is pressed on the outer wall of the open wiring terminal through the clamp sleeve;
the number of the non-contact electrodes is two, each non-contact electrode comprises an electrode body with a cavity structure, one end of each electrode body is provided with a lead connecting port, and the lead connecting ports are connected with the liquid cooling channels of the liquid cooling cables; the electrode body is also provided with a cooling liquid inlet and outlet which are communicated with the lead connecting port; the other end of the soft lead is electrically connected with the inner cavity of the lead connector, the outer sheath insulating sleeve of the corresponding part is pressed on the outer wall of the lead connector through the clamp sleeve, and the cooling liquid channel is communicated with the cooling liquid inlet and outlet of the non-contact electrode.
In order to solve the technical scheme, the outer diameters of the two charging gun liquid cooling terminal bodies are respectively provided with a convex through hole communicated with the inside, and the outer ends of the two convex through holes are communicated with the inner cavity of the charging gun liquid cooling terminal body through an insulating connecting pipe assembly.
In order to solve the technical scheme, a protruding positioning piece used for being connected with a charging gun body is arranged on the position, close to a closed plug end, of the outer diameter of the charging gun liquid cooling terminal body, a convex through hole is formed in the front end of the positioning piece, and the curvature of the charging gun liquid cooling terminal body is corresponding to the curvature of a charging gun bending cavity; the inner ends of the outward-protruding through holes of the two charging gun liquid cooling terminal bodies are provided with 900Bent pipe, 900The bent pipe is located in the cavity of the corresponding charging gun liquid cooling terminal body and is communicated to the bottom of the cavity of the charging gun liquid cooling terminal body.
In order to solve the technical scheme, an inner circle of one convex through hole is provided with an internal thread, and an outer circle of the other convex through hole is provided with an external thread; the insulating connecting pipe assembly comprises an insulating guide pipe, an insulating locking nut, a horn-shaped nut and a sealing ring, wherein the insulating guide pipe is of a hollow structure, the hollow part is a cooling liquid channel, annular grooves are formed in the end faces of two ends of the guide pipe, and the sealing ring is arranged in each annular groove; one end of the insulating conduit is provided with an external thread matched with the through hole of one of the liquid cooling terminals, and the matched part of the insulating conduit is locked by an insulating nut; the other end of the insulating conduit is arranged to be of an inverted cone structure, the internal thread of the horn nut is matched with the external thread of the other through hole in a screwing mode, and the internal conical surface of the horn nut compresses the external conical surface of the insulating conduit; the outer wall of the end of the open joint is provided with a horse tooth buckle, and the outer sheath insulating sleeve is sleeved on the horse tooth buckle through a hoop; and the end part of the closed plug end is also provided with an insulating sheath.
In order to solve the technical scheme, the electrode body is also provided with an electrode mounting hole, and the electrode body is fixedly connected with an electrode mounting plate through the electrode mounting hole.
In order to solve the technical scheme, the cooling liquid inlet and outlet are arranged at the rear end of the root part of the electrode body and are vertical to the section of the electrode body;
in order to solve the technical scheme, the clamp is of a hollow cylindrical structure, the hollow cylindrical structure with smooth inner and outer surfaces is adopted before locking, and after locking, the clamp is plastically deformed into a shape matched with the wire connecting port and the jaw opening on the outer wall of the opening joint end.
In order to solve the technical scheme, internal threads are arranged on the surfaces of inner holes of the two cooling liquid inlets and the two cooling liquid outlets and are respectively connected with quick-connection joints of the cooling liquid inlets and the cooling liquid outlets, one is a cooling liquid inlet, and the other is a cooling liquid outlet.
In order to solve the technical scheme, the soft wire part comprises a soft copper stranded wire and a protective net, the soft copper stranded wire penetrates through the protective net and is embedded in the protective net, and an annular cooling liquid channel is arranged between an outer sheath insulating sleeve and the protective net; the soft copper stranded wire is a stranded wire core, and the cross section of the soft copper stranded wire is 35-60 square millimeters; the multi-strand twisted wire core is formed by twisting a plurality of small-diameter tin-plated copper single wires into a small strand wire, and the small strand wires are twisted into a soft wire; the protective net is a tinned copper wire woven net.
In order to solve the technical scheme, when one end of the soft lead is connected with the tail bent liquid cooling terminal, the soft copper stranded wire and the protective net are semi-circularly pressed on the inner wall of the tail bent liquid cooling terminal, and the cooling liquid channel extends to the bottom of the cavity of the liquid cooling terminal of the charging gun.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a special liquid cooling cable for a direct current 600A charging gun of a new energy automobile, wherein the middle parts of liquid cooling terminals DC + and DC-are respectively provided with a protruded 900A through opening of the bent pipe, and two 90 s in the charging gun through an insulating connecting pipe assembly0The through openings of the bent pipes are correspondingly communicated, when two liquid cooling terminals special for the 600A direct current charging gun are respectively and correspondingly connected with a soft lead of a liquid cooling cable special for the new energy automobile direct current 600A charging gun in the background technology, cooling liquid enters from a non-contact electrode of the liquid cooling cable, and the cooling liquid can be purified water, transformer oil, transformer silicon oil, fluorinated liquid … and the like) and enters an insulating sleeve through the electrodes by the quick connection of a red cable and DC, and passes through the soft lead to reach the bottom of a cavity of the liquid cooling terminal special for the 600A direct current charging gun. Returning the cooling liquid to the interior of the liquid-cooled terminals 900Elbow, 90 of liquid cooling terminal cavity entering another liquid cooling cable through insulating connecting pipe assembly0The bent pipe reaches the bottom of the inner cavity of the liquid cooling terminal of the cable, flows along the cooling liquid channel of the other liquid cooling cable, passes through the soft lead of the bent pipe, finally flows out of the electrode connected with the soft lead and returns to the cooling device, so that the circulation of cooling liquid is formed, the soft lead is cooled in the circulating flowing process of the cooling liquid, and the purpose of effectively avoiding the overheating phenomenon of the charging gun terminal and the soft lead in the charging process is finally achieved. In addition, the tail of the liquid cooling terminal of the liquid cooling cable special for the direct current 600A charging gun of the new energy automobile is arranged to be bent inwards and downwards, the inward bending of the liquid cooling terminal is beneficial to the connection of a soft wire and the liquid cooling terminal and is also convenient to assemble an outer sheath insulating sleeve, the downward bending of the liquid cooling terminal can be better adapted to a bending cavity of the charging gun, the deformation of the outer sheath insulating sleeve of the liquid cooling cable when passing through the bending cavity of the charging gun is effectively avoided or reduced, and the smoothness of a cooling liquid channel of the liquid cooling cable can be effectively guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a liquid cooling cable special for a direct current 600A charging gun of a new energy automobile according to the invention;
fig. 2 is a schematic structural diagram of a liquid cooling terminal dedicated for a 600A dc charging gun.
FIG. 3 is a schematic diagram of the internal structure of one of the liquid-cooled terminals of FIG. 2.
FIG. 4 is a schematic structural view of the insulated connector assembly of FIG. 2;
FIG. 5 is a schematic view of the insulated conduit of FIG. 4;
FIG. 6 is a schematic diagram of a contactless electrode structure;
FIG. 7 is a schematic structural view of a soft wire and an outer sheath insulating sleeve;
in the figure: 1. the liquid cooling cable is insulated and covered; 2. a soft wire; 3. an outer sheath insulating sleeve; 4. 5, a tail bending liquid cooling terminal; 6. clamping a hoop; 7. a cooling liquid inlet and outlet quick-connection joint; 8. a polytetrafluoroethylene insulating gasket; 9. a signal line; 10. a PE line;
201. a coolant passage; 202. soft copper stranded wire; 203. a protective net;
51. a charging gun liquid cooling terminal body; 52. a closed plug end; 53. an open terminal; 54. a positioning member; 55. a convex through opening; 56. 90 of the formula0Bending the pipe; 57. an insulated junction block assembly; 58. A threaded connector; 50. an insulating sheath; 571. an insulated conduit; 572. an insulating lock nut; 573. a trumpet-shaped nut; 574. a seal ring; 575. an annular groove.
401. An electrode body; 402. an electrode mounting hole; 403. a cooling liquid inlet and outlet; 404. a wire connection port; 406. an electrode mounting plate.
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.
A liquid cooling cable special for a direct current 600A charging gun of a new energy automobile comprises a liquid cooling cable insulation outer cover (1), a PE wire (10) and a plurality of signal wires (9), wherein the PE wire and the signal wires are arranged in the liquid cooling cable insulation outer cover (1), a direct current DC + and a direct current DC-two liquid cooling cables are further arranged in the liquid cooling cable insulation outer cover (1), each cable consists of a soft lead (2) and an outer sheath insulation sleeve (3), the outer sheath insulation sleeve (3) of the direct current DC + cable is red, the outer sheath insulation sleeve (3) of the direct current DC-cable is black, the soft lead (2) is arranged in the outer sheath insulation sleeve (3), a gap arranged between the soft lead (2) and the outer sheath insulation sleeve (3) is a cooling liquid channel (201), and one end of each of the two soft leads (2) is connected to a tail bending liquid cooling terminal (5), the other ends are respectively connected with a non-contact electrode (4);
the tail bending liquid cooling terminal (5) comprises a charging gun liquid cooling terminal body (51) which is of a hollow structure with one open end and one closed end; the front end of each charging gun liquid cooling terminal body (51) is an open terminal (53) correspondingly connected with the soft lead (2), and the tail end is a closed plug end (52) correspondingly connected with the charging socket of the electric automobile; the end parts of the opening wiring ends (53) of the two charging gun liquid cooling terminal bodies (51) and the middle part of the charging gun liquid cooling terminal bodies (51) are both arc-shaped bending structures, the bending angles of the two parts are consistent, and the bending directions are opposite; the two charging gun liquid cooling terminal bodies (51) close to the closed plug end (52) are communicated with the inner cavities of the two charging gun liquid cooling terminal bodies through an insulating connecting pipe assembly (57), and the insulating connecting pipe assembly (57) is perpendicular to the bending planes of the two charging gun liquid cooling terminal bodies (51); one end part of the soft lead (2) is electrically connected in the inner cavity of the open terminal (53), and the outer sheath insulating sleeve (3) of the corresponding part is sleeved and pressed on the outer wall of the open terminal (53) through a hoop (6);
the number of the non-contact electrodes (4) is two, each non-contact electrode comprises an electrode body (401) with a cavity structure, one end of each electrode body (401) is provided with a lead connecting port (404), and the lead connecting ports (404) are connected with the liquid cooling channels of the liquid cooling cables; the electrode body (401) is also provided with a cooling liquid inlet and outlet (403), and the cooling liquid inlet and outlet (403) is communicated with the lead connecting port (404); the end part of the other end of the soft lead (2) is electrically connected with the inner cavity of the lead connecting port (404), the outer sheath insulating sleeve (3) of the corresponding part is sleeved and pressed on the outer wall of the lead connecting port (404) through a hoop (6), and the cooling liquid channel (201) is communicated with the cooling liquid inlet and outlet (403) of the non-contact electrode (4).
Outer convex through openings (55) communicated with the inside are formed in the outer diameters of the two charging gun liquid cooling terminal bodies (51), and the outer ends of the two outer convex through openings (55) are communicated with an inner cavity of the charging gun liquid cooling terminal body (51) through an insulating connecting pipe assembly (57). A protruding positioning piece (54) used for being connected with a charging gun body is arranged on the position, close to a closed plug end (52), on the outer diameter of the charging gun liquid cooling terminal body (51), a convex through hole (55) is formed in the front end of the positioning piece (54), and the curvature of the charging gun liquid cooling terminal body (51) corresponds to the curvature of a charging gun bending cavity; the inner ends of the liquid cooling terminal bodies (51) of the two charging guns are respectively provided with 90 parts0Bent pipes (56, 90)0The bent pipe (56) is positioned in the cavity of the corresponding charging gun liquid cooling terminal body (51) and is communicated to the bottom of the cavity of the charging gun liquid cooling terminal body (51). The inner circle of one convex through hole (55) is provided with an internal thread, and the outer circle of the other convex through hole (55) is provided with an external thread; the insulating connecting pipe assembly (57) comprises an insulating guide pipe (571), an insulating locking nut (572), a horn-shaped nut (573) and a sealing ring (574), wherein the insulating guide pipe (571) is of a hollow structure, the hollow part is a cooling liquid channel, annular grooves (575) are formed in the end faces of two ends of the guide pipe (571), and the sealing ring (574) is arranged in each annular groove (575); one end of the insulating conduit (571) is provided with an external thread matched with the through hole (55) of one of the liquid cooling terminals, and the matched part is locked by an insulating nut (572); the other end of the insulating conduit (571) is arranged to be of an inverted cone structure, and is tightly screwed and matched with the external thread of the other through hole (55) through the internal thread of the horn nut (573), and the horn nutThe inner conical surface of the female (573) compresses the outer conical surface of the insulating conduit (571); the outer wall of the open joint end (53) is provided with a horse tooth buckle, and the outer sheath insulating sleeve (3) is sleeved on the horse tooth buckle through a hoop (6); the end of the closed plug end (52) is also provided with an insulating sheath (510).
The electrode body (401) is further provided with an electrode mounting hole (402), and the electrode body (401) is fixedly connected with an electrode mounting plate (406) through the electrode mounting hole (402). The cooling liquid inlet and outlet (403) is arranged at the rear end of the root of the electrode body (401) and is vertical to the section of the electrode body (401), a horse teeth buckle (405) is arranged on the outer diameter of the root of the lead connecting port (404), and the outer sheath insulating sleeve (3) is sleeved on the horse teeth buckle through a hoop (6);
the clamp (6) is of a hollow cylindrical structure, the inner surface and the outer surface of the clamp are smooth before locking, and the clamp is in a shape matched with the wire connecting port (404) and the jaw opening of the outer wall of the opening joint end (53) after locking through plastic deformation. The inner hole surfaces of the two cooling liquid inlets and outlets (403) are provided with internal threads which are respectively connected with the cooling liquid inlet and outlet quick-connection joints (8), one is a cooling liquid inlet, and the other is a cooling liquid outlet.
The soft wire part comprises a soft copper stranded wire (202) and a protective net (203), the soft copper stranded wire (202) penetrates through the protective net and is embedded in the protective net (203), and an annular cooling liquid channel (201) is arranged between the outer sheath insulating sleeve (3) and the protective net (203); the soft copper stranded wire (202) is a stranded wire core, and the cross section of the stranded wire core is 35-60 square millimeters; the multi-strand twisted wire core is formed by twisting a plurality of small-diameter tin-plated copper single wires into a small strand wire, and the small strand wires are twisted into a soft wire; the protective net (203) is a tinned copper wire woven net. When one end of the soft lead (2) is connected with the tail bending liquid cooling terminal (5), the soft copper stranded wire (202) and the protective net (203) are semi-circularly pressed on the inner wall of the tail bending liquid cooling terminal (5), and the cooling liquid channel (201) extends to the bottom of the cavity of the charging gun liquid cooling terminal (5).
The working principle is that the cooling liquid is not provided by a liquid cooling cableThe contact electrode is entered, and the cooling liquid can be purified water, transformer oil, transformer silicon oil, fluorinated liquid … and the like, passes through the electrode by the quick connection of a (red) cable + DC, enters the insulating sleeve, passes through the soft lead and reaches the bottom of the liquid cooling terminal cavity special for the 600A direct current charging gun. Returning the cooling liquid to the interior of the liquid-cooled terminals 900A bend pipe for passing through 90 parts of the inner cavity of the liquid cooling terminal special for 600A DC charging gun of another liquid cooling cable0The bent pipe reaches the bottom of the inner cavity of the liquid cooling terminal special for the direct current charging gun of the cable 600A, flows along the cooling liquid channel of the other liquid cooling cable, passes through the soft lead of the bent pipe, finally flows out of the non-contact electrode connected with the soft lead and returns to the cooling device, so that the circulation of the cooling liquid is formed, the soft lead is cooled in the circulating flowing process of the cooling liquid, and the purpose of effectively avoiding the overheating phenomenon of the charging gun and the soft lead in the charging process is finally achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a special liquid cooling cable of new energy automobile direct current 600A rifle that charges, includes that the liquid cooling cable is insulating by (1) and sets up PE line (10) and a plurality of signal line (9) in the liquid cooling cable is insulating by (1), still be provided with two liquid cooling cables of direct current DC + and direct current DC-in the liquid cooling cable is insulating by (1) outward, every cable comprises software wire (2) and oversheath insulating sleeve (3), oversheath insulating sleeve (3) of direct current DC + cable are red, oversheath insulating sleeve (3) of direct current DC-cable are the black, software wire (2) set up in oversheath insulating sleeve (3), the clearance that sets up between its software wire (2) and oversheath insulating sleeve (3) is coolant liquid passageway (201), characterized by: one ends of the two soft leads (2) are connected to the tail bending liquid cooling terminal (5), and the other ends are respectively connected with a non-contact electrode (4);
the tail bending liquid cooling terminal (5) comprises a charging gun liquid cooling terminal body (51) which is of a hollow structure with one open end and one closed end; the front end of each charging gun liquid cooling terminal body (51) is an open terminal (53) correspondingly connected with the soft lead (2), and the tail end is a closed plug end (52) correspondingly connected with the charging socket of the electric automobile; the two charging gun liquid cooling terminal bodies (51) close to the closed plug end (52) are communicated with the inner cavities of the two charging gun liquid cooling terminal bodies through an insulating connecting pipe assembly (57), and the insulating connecting pipe assembly (57) is perpendicular to the bending planes of the two charging gun liquid cooling terminal bodies (51); one end part of the soft lead (2) is electrically connected in the inner cavity of the open terminal (53), and the outer sheath insulating sleeve (3) of the corresponding part is sleeved and pressed on the outer wall of the open terminal (53) through a hoop (6);
the number of the non-contact electrodes (4) is two, each non-contact electrode comprises an electrode body (401) with a cavity structure, one end of each electrode body (401) is provided with a lead connecting port (404), and the lead connecting ports (404) are connected with the liquid cooling channels of the liquid cooling cables; the electrode body (401) is also provided with a cooling liquid inlet and outlet (403), and the cooling liquid inlet and outlet (403) is communicated with the lead connecting port (404); the end part of the other end of the soft lead (2) is electrically connected with the inner cavity of the lead connecting port (404), the outer sheath insulating sleeve (3) of the corresponding part is sleeved and pressed on the outer wall of the lead connecting port (404) through a hoop (6), and the cooling liquid channel (201) is communicated with a cooling liquid inlet and outlet (403) of the non-contact electrode (4);
the outer diameters of the two charging gun liquid cooling terminal bodies (51) are respectively provided with an outward protruding through hole (55) communicated with the inside, and the outer ends of the two outward protruding through holes (55) are communicated with the inner cavity of the charging gun liquid cooling terminal body (51) through an insulating connecting pipe assembly (57); the external diameter of the charging gun liquid cooling terminal body (51) is provided with a positioning piece (54) which is used for being connected with the charging gun body and protrudes from the position close to the closed plug end (52), a convex through hole (55) is formed in the front end of the positioning piece (54), and the bending degree of the charging gun liquid cooling terminal body (51) and the bending cavity of the charging gun areThe curvatures are correspondingly consistent; the inner ends of the liquid cooling terminal bodies (51) of the two charging guns are respectively provided with 90 parts0Bent pipes (56, 90)0The bent pipe (56) is positioned in the cavity of the corresponding charging gun liquid cooling terminal body (51) and is communicated to the bottom of the cavity of the charging gun liquid cooling terminal body (51); the inner circle of one convex through hole (55) is provided with an internal thread, and the outer circle of the other convex through hole (55) is provided with an external thread; the insulating connecting pipe assembly (57) comprises an insulating guide pipe (571), an insulating locking nut (572), a horn-shaped nut (573) and a sealing ring (574), wherein the insulating guide pipe (571) is of a hollow structure, the hollow part is a cooling liquid channel, annular grooves (575) are formed in the end faces of two ends of the insulating guide pipe (571), and the sealing ring (574) is arranged in each annular groove (575); one end of the insulating conduit (571) is provided with an external thread matched with the convex through hole (55) of one of the liquid cooling terminals, and the matched part is locked by an insulating nut (572); the other end of the insulating guide pipe (571) is arranged to be of an inverted cone structure, the internal thread of the horn nut (573) is in screwed fit with the external thread of the other convex through hole (55), and the internal conical surface of the horn nut (573) compresses the external conical surface of the insulating guide pipe (571); the outer wall of the opening wiring end (53) is provided with a horse tooth buckle, and the outer sheath insulating sleeve (3) is sleeved on the horse tooth buckle through a hoop (6); the end part of the closed plug end (52) is also provided with an insulating sheath (50);
the soft wire part comprises a soft copper stranded wire (202) and a protective net (203), the soft copper stranded wire (202) penetrates through the protective net and is embedded in the protective net (203), and an annular cooling liquid channel (201) is arranged between the outer sheath insulating sleeve (3) and the protective net (203); the soft copper stranded wire (202) is formed by stranding a plurality of stranded wire cores, and the cross section of the soft copper stranded wire is 35-60 square millimeters; the twisted wire core is formed by twisting a plurality of small-diameter tin-plated copper single wires; the protective net (203) is a tinned copper wire woven net; when one end of the soft lead (2) is connected with the tail bending liquid cooling terminal (5), the soft copper stranded wire (202) and the protective net (203) are semi-circularly pressed on the inner wall of the tail bending liquid cooling terminal (5), and the cooling liquid channel (201) extends to the bottom of the cavity of the charging gun liquid cooling terminal (5); the electrode body (401) is also provided with an electrode mounting hole (402), and the electrode body (401) is fixedly connected with an electrode mounting plate (406) through the electrode mounting hole (402); the cooling liquid inlet and outlet (403) is arranged at the rear end of the root of the electrode body (401) and is vertical to the section of the electrode body (401), a horse teeth buckle (405) is arranged on the outer diameter of the lead connecting port (404), and the outer sheath insulating sleeve (3) is sleeved on the horse teeth buckle through a hoop (6).
2. The special liquid cooling cable for the direct current 600A charging gun of the new energy automobile as claimed in claim 1, characterized in that: the clamp (6) is of a hollow cylindrical structure, the inner surface and the outer surface of the clamp are smooth before locking, and the clamp is in a shape matched with the jaw openings of the outer walls of the wire connecting port (404) and the opening wiring terminal (53) after locking through plastic deformation.
3. The special liquid cooling cable for the direct current 600A charging gun of the new energy automobile as claimed in claim 1, characterized in that: the inner hole surfaces of the two cooling liquid inlets and outlets (403) are provided with internal threads which are respectively connected with the cooling liquid inlet and outlet quick-connection joints (8), one is a cooling liquid inlet, and the other is a cooling liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574607.9A CN108806851B (en) | 2018-06-06 | 2018-06-06 | Special liquid cooling cable of new energy automobile direct current 600A rifle that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810574607.9A CN108806851B (en) | 2018-06-06 | 2018-06-06 | Special liquid cooling cable of new energy automobile direct current 600A rifle that charges |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108806851A CN108806851A (en) | 2018-11-13 |
| CN108806851B true CN108806851B (en) | 2021-01-01 |
Family
ID=64087407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810574607.9A Active CN108806851B (en) | 2018-06-06 | 2018-06-06 | Special liquid cooling cable of new energy automobile direct current 600A rifle that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108806851B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301963A (en) * | 2018-11-15 | 2019-02-01 | 珠海格力电器股份有限公司 | Flat wire winding, motor stator and motor |
| CN111376762B (en) * | 2020-03-20 | 2021-09-17 | 中国矿业大学 | High-power charging connector cooling device for new energy automobile |
| CN113140370B (en) * | 2021-04-29 | 2022-11-29 | 河南讯达电缆有限公司 | New energy automobile fills electric pile private cable |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126127A (en) * | 1994-09-20 | 1996-07-10 | 亚历山大宾兹尔无限有限两合公司 | Pipe supplying system of liquid arc welding torch or arc cutting torch |
| CN105364278A (en) * | 2015-11-12 | 2016-03-02 | 森松（江苏）重工有限公司 | Water-electricity separating structure of argon arc welding gun water-cooling system |
| CN106409412A (en) * | 2016-11-28 | 2017-02-15 | 深圳市沃尔核材股份有限公司 | Cable and lead |
| CN106887277A (en) * | 2017-04-08 | 2017-06-23 | 江苏晟彼特特种线缆有限公司 | Electric automobile charging pile cools down cable |
| WO2017162494A1 (en) * | 2016-03-22 | 2017-09-28 | Phoenix Contact E-Mobility Gmbh | Plug connector part having a cooled contact element |
| CN107516775A (en) * | 2017-08-25 | 2017-12-26 | 深圳市沃尔新能源电气科技股份有限公司 | The attachment structure and charging gun of contact pin, contact pin and the cold cable of liquid |
| CN107887730A (en) * | 2017-09-29 | 2018-04-06 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid-cooled cable connecting element and connector |
| CN208444622U (en) * | 2018-06-06 | 2019-01-29 | 洛阳正奇机械有限公司 | A kind of dedicated liquid cooling cable of new-energy automobile direct current 600A charging gun |
-
2018
- 2018-06-06 CN CN201810574607.9A patent/CN108806851B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1126127A (en) * | 1994-09-20 | 1996-07-10 | 亚历山大宾兹尔无限有限两合公司 | Pipe supplying system of liquid arc welding torch or arc cutting torch |
| CN105364278A (en) * | 2015-11-12 | 2016-03-02 | 森松（江苏）重工有限公司 | Water-electricity separating structure of argon arc welding gun water-cooling system |
| WO2017162494A1 (en) * | 2016-03-22 | 2017-09-28 | Phoenix Contact E-Mobility Gmbh | Plug connector part having a cooled contact element |
| CN106409412A (en) * | 2016-11-28 | 2017-02-15 | 深圳市沃尔核材股份有限公司 | Cable and lead |
| CN106887277A (en) * | 2017-04-08 | 2017-06-23 | 江苏晟彼特特种线缆有限公司 | Electric automobile charging pile cools down cable |
| CN107516775A (en) * | 2017-08-25 | 2017-12-26 | 深圳市沃尔新能源电气科技股份有限公司 | The attachment structure and charging gun of contact pin, contact pin and the cold cable of liquid |
| CN107887730A (en) * | 2017-09-29 | 2018-04-06 | 深圳市沃尔新能源电气科技股份有限公司 | Liquid-cooled cable connecting element and connector |
| CN208444622U (en) * | 2018-06-06 | 2019-01-29 | 洛阳正奇机械有限公司 | A kind of dedicated liquid cooling cable of new-energy automobile direct current 600A charging gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108806851A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108538484B (en) | High-power charging pile DC + and DC-series cold liquid-cooled cable | |
| CN108899122B (en) | Series cooling mode of special liquid cooling cables DC + and DC-for direct current 600A charging gun | |
| WO2019184883A1 (en) | Positive and negative liquid-cooling cable serial cooling structure of high-power charging pile | |
| CN108847316B (en) | Parallel cooling mode of liquid cooling cables DC + and DC-special for 600A direct current charging pile | |
| CN108806851B (en) | Special liquid cooling cable of new energy automobile direct current 600A rifle that charges | |
| JP7075143B2 (en) | A kind of high-power charging stand Parallel coolant-cooled electric cable for positive and negative electrodes | |
| CN111200200B (en) | Liquid cooling cable for liquid cooling charging socket of new energy electric automobile | |
| CN111129856A (en) | Liquid cooling cable for new forms of energy electric automobile charging socket | |
| CN211295534U (en) | Liquid cooling cable for new forms of energy electric automobile charging socket | |
| CN111105899A (en) | Liquid cooling cable of European standard direct current charging gun | |
| CN109727713B (en) | High-power charging pile cold-stringing cable with red copper corrugated pipe structure | |
| CN108320846A (en) | A kind of special DC+ of high-power charging pile and DC- and cold liquid cooling cable | |
| CN109887670B (en) | High-power charging pile parallel cooling cable with red copper corrugated pipe structure | |
| CN108461204B (en) | Connection structure of software wire and liquid cooling electrode of special liquid cooling cable of high-power charging pile | |
| CN108306135A (en) | A kind of software conducting wire electric connection structure of the special liquid cooling cable of high-power charging pile | |
| CN211294719U (en) | Liquid cooling cable of European standard direct current charging gun | |
| CN208444622U (en) | A kind of dedicated liquid cooling cable of new-energy automobile direct current 600A charging gun | |
| CN208256951U (en) | A kind of software conducting wire electric connection structure of the dedicated liquid cooling cable of high-power charging pile | |
| CN209566802U (en) | A kind of cooling structure of high-power charging gun DC+ and DC- string cold end | |
| CN108461188A (en) | A kind of special liquid cooling cable DC+ of high-power charging pile and DC- and cold software conducting wire | |
| CN213183714U (en) | Liquid cooling cable for American standard direct current charging gun | |
| CN109774516A (en) | A kind of cooling structure of high-power charging gun DC+ and DC- string cold end | |
| CN208256344U (en) | A kind of cold liquid cooling cable of the dedicated DC+ of high-power charging pile and DC- string | |
| CN213322709U (en) | American standard liquid cooling direct current rifle that charges | |
| CN208208374U (en) | A kind of dedicated liquid cooling cable DC+ of high-power charging pile and DC- and cold software conducting wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |