Intelligent power distribution assembly and direct current charging pile

Abstract

The invention discloses an intelligent power distribution assembly and a direct current charging pile, and relates to the technical field of new energy automobile charging, the intelligent power distribution assembly comprises a PCB circuit board, the PCB circuit board is connected with an external power supply, the PCB circuit board is connected with a safe power distribution mechanism through a wire, the safe power distribution mechanism comprises an execution mechanism, and the output end of the execution mechanism is connected with a mobile power distribution mechanism. A fixed power distribution mechanism is arranged on one side of the mobile power distribution mechanism, a safety mechanism is arranged at the bottom of the mobile power distribution mechanism, and the safety mechanism unlocks the mobile power distribution mechanism based on effective connection of the charging gun and the charging port; it is guaranteed that the new energy vehicle is charged only when the charging gun and the charging port are effectively connected, charging under the condition that poor contact occurs is avoided, the charging gun and the charging port can be physically separated through the movable power distribution mechanism and the fixed power distribution mechanism, and safety after power failure is guaranteed.

Description

Technical Field

[0001] The present invention relates to the field of new energy vehicle charging technology, and in particular to intelligent power distribution components and DC charging piles. Background Art

[0002] A DC charging pile is a charging device that can provide power for electric vehicles. The intelligent power distribution components it uses can control the current and voltage of the DC charging pile, maintain the stability of the current and voltage when charging new energy vehicles, and improve the safety of new energy vehicles when charging;

[0003] When charging new energy vehicles with the smart power distribution components and DC charging piles currently on the market, users only need to turn on the power supply function of the DC charging pile. Even if the charging gun has poor contact with the charging port on the new energy vehicle, the charging operation can still be completed. For example, the energy-saving DC charging pile disclosed in the Chinese patent application with publication number CN117087470A and the DC charging pile system disclosed in the Chinese patent application with publication number CN118269723A do not have the function of monitoring the docking status of the charging gun and the charging port on the new energy vehicle. If the charging gun is not in contact with the charging port on the new energy vehicle, the charging operation can still be completed. If there is poor contact between the charging port and the new energy vehicle, the resistance of the interface between the charging gun and the charging port on the new energy vehicle will increase. After charging for a long time, a large amount of heat will be generated, causing the muzzle of the charging gun to overheat. The shell of the charging gun is mostly made of plastic. After the muzzle of the charging gun overheats, it is easy to cause spontaneous combustion, causing a safety hazard. Therefore, an intelligent power distribution component and a DC charging pile are needed. When the charging gun and the charging port on the new energy vehicle have poor contact, the charging operation cannot be completed, and the user is reminded to check the docking status of the charging gun and the charging port on the new energy vehicle, so as to avoid overheating of the muzzle of the charging gun. Summary of the Invention

[0004] In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide an intelligent power distribution component and a DC charging pile to solve the problem in the prior art that the intelligent power distribution component and the DC charging pile do not have the function of monitoring the docking status of the charging gun and the charging port on the new energy vehicle. When the charging gun and the charging port on the new energy vehicle have poor contact, the charging operation can still be completed. After charging for a long time, a large amount of heat will be generated, causing the muzzle of the charging gun to overheat, resulting in the problem that the charging gun is prone to spontaneous combustion.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] The first specific aspect is to provide an intelligent power distribution component, including a PCB circuit board, which is connected to an external power supply. The PCB circuit board is connected to a safety distribution mechanism through a wire. The safety distribution mechanism includes an actuator. The output end of the actuator is connected to a mobile distribution mechanism. A fixed distribution mechanism is provided on one side of the mobile distribution mechanism. A safety mechanism is provided at the bottom of the mobile distribution mechanism. The safety mechanism unlocks the mobile distribution mechanism based on the effective engagement of the charging gun and the charging port.

[0007] As a further solution of the present invention: the actuator includes an electric push rod, the bottom end of the electric push rod is provided with a piston cylinder, the bottom surface of the piston cylinder is fixedly connected to a fixed plate, and one side of the fixed plate is fixedly connected to a fixed sleeve.

[0008] As a further solution of the present invention: the mobile power distribution mechanism includes a mobile plate, and a butt joint pipe that matches the fixed sleeve is fixedly connected to the side of the mobile plate close to the fixed sleeve, and the butt joint pipe is sealingly and slidingly sleeved with the fixed sleeve.

[0009] As a further solution of the present invention: a docking terminal is fixedly connected to a side of the movable plate away from the fixed sleeve, and the top surface of the movable plate is connected to the PCB circuit board through a wire.

[0010] As a further solution of the present invention: the docking terminal includes a terminal body, a built-in channel is opened inside the terminal body, one end of the built-in channel is connected to the docking tube, and an airbag is provided at the other end of the built-in channel, and a sliding conductor is fixedly connected to the outside of the airbag.

[0011] As a further solution of the present invention: the fixed power distribution mechanism includes a fixed power distribution board, the bottom surface of the fixed power distribution board is fixedly connected to an external board, and a docking groove is provided on the inner side of the fixed power distribution board near the docking terminal.

[0012] As a further solution of the present invention: a control cylindrical block is fixedly connected to the inner side of the docking groove, a control groove is opened on the surface of the terminal body near the control cylindrical block, and a control lock tongue is provided on the inner side of the control groove.

[0013] As a further solution of the present invention: the safety mechanism includes a mechanism shell, a hydraulic push rod is installed on the bottom surface of the inner cavity of the mechanism shell, a moving arm is provided on the top of the hydraulic push rod, an elastic lock tongue is provided on the top surface of the mechanism shell, and a safety lock tongue groove is provided on the bottom surface of the movable plate near the elastic lock tongue, which fits with the elastic lock tongue.

[0014] A second specific aspect provides a DC charging pile, including a mounting shell, a cover plate bolted to the front of the mounting shell, a liquid crystal display mounted on the top of the front of the cover plate, an external port fixedly connected to the bottom of the mounting shell, and a charging gun connected to the external port via a cable;

[0015] The above-mentioned intelligent power distribution component is arranged inside the installation shell.

[0016] As a further solution of the present invention: the safe power distribution mechanism activates the liquid crystal display screen based on the effective engagement of the charging gun and the charging port.

[0017] Beneficial effects of the present invention:

[0018] In the present invention, through the provision of a safety power distribution mechanism, only after the user effectively engages the charging gun with the charging port, the safety mechanism will unlock the mobile power distribution mechanism, so that the mobile power distribution mechanism can cooperate with the fixed power distribution mechanism through movement, and the PCB circuit board can transmit electric energy to the fixed power distribution mechanism through the mobile power distribution mechanism, and the fixed power distribution mechanism will then transmit electric energy to the charging gun, thereby realizing the charging operation of the new energy vehicle with the charging gun, ensuring that the new energy vehicle can only be charged when the charging gun is effectively engaged with the charging port, avoiding charging in the case of poor contact, and the mobile power distribution mechanism and the fixed power distribution mechanism can physically separate the charging gun and the charging port to ensure safety after power failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a structural diagram of the intelligent power distribution component of the present invention;

[0021] Figure 2 It is a schematic diagram of the internal structure of the intelligent power distribution component of the present invention;

[0022] Figure 3 This is a front view of the internal structure of the intelligent power distribution assembly of the present invention;

[0023] Figure 4 It is a structural diagram of the safe power distribution mechanism in the intelligent power distribution assembly of the present invention;

[0024] Figure 5 It is a structural diagram of the actuator in the intelligent power distribution assembly of the present invention;

[0025] Figure 6 It is a structural diagram of the mobile power distribution mechanism in the intelligent power distribution assembly of the present invention;

[0026] Figure 7 It is a partial cross-sectional view of the terminal body in the intelligent power distribution assembly of the present invention;

[0027] Figure 8 It is a structural diagram of the fixed power distribution mechanism in the intelligent power distribution assembly of the present invention;

[0028] Figure 9 It is a partial structural diagram of the safety mechanism in the intelligent power distribution assembly of the present invention;

[0029] Figure 10 It is a partial cross-sectional view of the safety mechanism in the intelligent power distribution assembly of the present invention;

[0030] Figure 11 It is a cross-sectional view of the partial cooperation between the docking terminal and the docking slot in the intelligent power distribution assembly of the present invention;

[0031] Figure 12 It is a structural schematic diagram of a DC charging pile of the present invention.

[0032] Reference numerals: 1. mounting housing; 2. cover plate; 21. LCD display; 3. external connection port; 31. docking cable; 4. PCB circuit board; 5. safety power distribution mechanism; 51. actuator; 511. electric push rod; 512. piston cylinder; 513. fixing plate; 514. fixing sleeve; 52. movable power distribution mechanism; 521. movable plate; 522. docking tube; 523. docking terminal; 5231. terminal body; 5232. built-in channel; 5233. airbag; 5234, sliding conductor; 5235, control slot; 5236, control lock tongue; 524, limit rod; 525, support spring; 526, safety lock tongue slot; 53, fixed power distribution mechanism; 531, fixed power distribution board; 532, external board; 533, limit hole; 534, docking slot; 5341, conductor block; 535, control cylindrical block; 54, safety mechanism; 541, mechanism housing; 542, hydraulic push rod; 543, moving arm; 544, elastic lock tongue. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0034] In some embodiments of the present invention, Figure 2 、 Figure 3 and Figure 4As shown, an intelligent power distribution component is disclosed, including a PCB circuit board 4. The PCB circuit board 4 needs to be connected to an external power supply, which can be a 380V three-phase power supply or a 220V indoor power supply. The specific selection is made by those skilled in the art according to the application scenario of the intelligent power distribution component. For example, when the intelligent power distribution component is used in a shopping mall or a gas station, the 380V three-phase power supply is given priority. When the intelligent power distribution component is used in a basement of a residential area or an individual household, the 220V indoor power supply is given priority. The PCB circuit board 4 is connected to a safety distribution mechanism 5 through a wire. The arrangement and specifications of the wires are adaptively adjusted by those skilled in the art according to the spatial position between the PCB circuit board 4 and the safety distribution mechanism 5, without affecting the functions of the PCB circuit board 4 and the safety distribution mechanism 5. The safety distribution mechanism 5 is safe. The electric mechanism 5 includes an actuator 51, the output end of the actuator 51 is connected to a mobile power distribution mechanism 52, a fixed power distribution mechanism 53 is provided on one side of the mobile power distribution mechanism 52, and a safety mechanism 54 is provided at the bottom of the mobile power distribution mechanism 52. The safety mechanism 54 releases the lock of the mobile power distribution mechanism 52 based on the effective engagement of the charging gun and the charging port. It should be noted that the actuator 51 is used to drive the mobile power distribution mechanism 52 so that the mobile power distribution mechanism 52 cooperates with the fixed power distribution mechanism 53. When the mobile power distribution mechanism 52 cooperates with the fixed power distribution mechanism 53, the PCB circuit board 4 can send a control power-on signal to transmit the electric energy in the power supply to the fixed power distribution mechanism 53 through the mobile power distribution mechanism 52, and the fixed power distribution mechanism 53 then transmits the electric energy to the charging gun, thereby realizing the charging operation of the charging gun on the new energy vehicle;

[0035] It should also be noted that since the safety mechanism 54 unlocks the mobile power distribution mechanism 52 based on the effective engagement of the charging gun and the charging port, in other words, when the charging gun and the charging port are not effectively engaged, the safety mechanism 54 will lock the mobile power distribution mechanism 52 to prevent the charging gun and the charging port from performing charging operations when there is poor contact. When the charging gun and the charging port are effectively engaged, the safety mechanism 54 will unlock the mobile power distribution mechanism 52, so that the mobile power distribution mechanism 52 can cooperate with the fixed power distribution mechanism 53 through movement, and the PCB circuit board 4 sends a control power-on signal to transmit the electric energy in the power supply to the fixed power distribution mechanism 53 through the mobile power distribution mechanism 52, and the fixed power distribution mechanism 53 then transmits the electric energy to the charging gun, thereby realizing the charging operation of the charging gun on the new energy vehicle, ensuring that the new energy vehicle performs charging operation when the charging gun and the charging port are effectively engaged, and avoiding charging when there is poor contact. The mobile power distribution mechanism 52 and the fixed power distribution mechanism 53 can physically separate the charging gun and the charging port to ensure safety after power failure.

[0036] In some embodiments of the present invention, Figure 5As shown, the actuator 51 includes an electric push rod 511. The specifications of the electric push rod 511 are adaptively selected by those skilled in the art according to the driving force required by the intelligent power distribution component. The bottom end of the electric push rod 511 is provided with a piston cylinder 512. It should be noted that the output end of the electric push rod 511 is fixedly connected to a piston, which fits with the inner wall of the piston cylinder 512. When the electric push rod 511 is opened, the output end of the electric push rod 511 can drive the piston to slide freely on the inner wall of the piston cylinder 512 to Figure 5 For example, when the electric push rod 511 controls the piston to slide downward on the inner wall of the piston cylinder 512, the piston will squeeze the gas inside the piston cylinder 512, causing the air pressure inside the piston cylinder 512 to increase. When the electric push rod 511 controls the piston to slide upward on the inner wall of the piston cylinder 512, the piston increases the sealed cavity inside the piston cylinder 512, that is, reduces the pressure of the gas inside the piston cylinder 512. Therefore, the pressure of the gas inside the piston cylinder 512 can be controlled by the electric push rod 511. The bottom surface of the piston cylinder 512 is fixedly connected to a fixed plate 513, and one side of the fixed plate 513 is fixedly connected to a fixed sleeve 514. It should be noted that the inner end of the fixed sleeve 514 is connected to the bottom end of the inner cavity of the piston cylinder 512 through the fixed plate 513. In this way, the electric push rod 511 can indirectly control the air pressure inside the fixed sleeve 514 through the piston cylinder 512.

[0037] When it is necessary to charge the new energy vehicle, first, the charging gun needs to be inserted into the charging port of the new energy vehicle so that the charging gun and the charging port are well connected. In this way, the safety mechanism 54 will release the lock of the mobile power distribution mechanism 52, and then the electric push rod 511 can be opened. The output end of the electric push rod 511 will drive the piston to slide downward on the inner wall of the piston cylinder 512. When the electric push rod 511 controls the piston to slide downward on the inner wall of the piston cylinder 512, the piston will squeeze the gas inside the piston cylinder 512, causing the air pressure inside the piston cylinder 512 to increase. One inner end of the fixed sleeve 514 is connected to the bottom end of the inner cavity of the piston cylinder 512 through the fixed plate 513, so the air pressure inside the fixed sleeve 514 will increase. The fixed sleeve 514 drives the mobile power distribution mechanism 52 through the increased air pressure. The mobile power distribution mechanism 52 can cooperate with the fixed power distribution mechanism 53 by moving, and the PCB circuit board 4 can send a control power-on signal to transmit the electric energy in the power supply to the fixed power distribution mechanism 53 through the mobile power distribution mechanism 52. The fixed power distribution mechanism 53 then transmits the electric energy to the charging gun, thereby realizing the charging operation of the charging gun for the new energy vehicle.

[0038] When it is necessary to cut off the charging of the new energy vehicle, it is only necessary to open the electric push rod 511, but at this time the electric push rod 511 drives the piston in reverse, that is, when the piston slides upward on the inner wall of the piston cylinder 512, the piston increases the sealed cavity inside the piston cylinder 512, reduces the pressure of the gas inside the piston cylinder 512, and also reduces the air pressure inside the fixed sleeve 514. The fixed sleeve 514 drives the mobile power distribution mechanism 52 in reverse through the negative pressure, so that the mobile power distribution mechanism 52 is away from the fixed power distribution mechanism 53. Even if the mobile power distribution mechanism 52 is out of contact with the fixed power distribution mechanism 53, the charging operation of the new energy vehicle will be cut off.

[0039] In some embodiments of the present invention, Figure 5 and Figure 6 As shown, the mobile power distribution mechanism 52 includes a mobile plate 521, and a side of the mobile plate 521 close to the fixed sleeve 514 is fixedly connected with a docking pipe 522 that fits with the fixed sleeve 514. The docking pipe 522 is in sealed sliding sleeve connection with the fixed sleeve 514. Since the docking pipe 522 is in sealed sliding sleeve connection with the fixed sleeve 514, when the air pressure inside the fixed sleeve 514 increases, the docking pipe 522 is moved toward the outer end of the fixed sleeve 514 through the action of the high pressure. Since the docking pipe 522 is fixedly connected to the mobile plate 521, the docking pipe 522 will drive the mobile plate 521 to move toward the outer end of the fixed sleeve 514, even if the mobile plate 521 moves toward the side of the fixed power distribution mechanism 53, Figure 5 For example, it moves to the left to ensure that the mobile power distribution mechanism 52 cooperates with the fixed power distribution mechanism 53. When the air pressure inside the fixed sleeve 514 decreases, the negative pressure causes the butt joint 522 to move toward the inner end of the fixed sleeve 514 to Figure 6 For example, it moves to the right to ensure that the mobile power distribution mechanism 52 is out of contact with the fixed power distribution mechanism 53. Therefore, the displacement of the mobile power distribution mechanism 52 can be controlled by the sealed sliding connection between the fixed sleeve 514 and the docking pipe 522.

[0040] In some embodiments of the present invention, Figure 2 、 Figure 3 and Figure 6As shown, the side of the movable plate 521 away from the fixed sleeve 514 is fixedly connected to the docking terminal 523, and the top surface of the movable plate 521 is connected to the PCB circuit board 4 through a wire. It should be noted that the wires connecting the movable plate 521 and the PCB circuit board 4 should be redundant to ensure that the displacement of the movable plate 521 is not affected. In this way, the stability of the wires set between the movable plate 521 and the PCB circuit board 4 can always be guaranteed during the process of the actuator 51 controlling the movable plate 521. It should also be noted that the docking terminal 523 fixedly connected to the side of the movable plate 521 away from the fixed sleeve 514 needs to be electrically connected to the PCB circuit board 4, so the wires connecting the movable plate 521 and the PCB circuit board 4 are electrically connected to the docking terminal 523, which ensures that the electrical energy in the PCB circuit board 4 can be transmitted to the docking terminal 523.

[0041] In some embodiments of the present invention, Figure 5 、 Figure 6 and Figure 7 As shown, the docking terminal 523 includes a terminal body 5231, and a built-in channel 5232 is opened inside the terminal body 5231. One end of the built-in channel 5232 is connected to the docking tube 522, and the other end of the built-in channel 5232 is provided with an airbag 5233. The outer side of the airbag 5233 is fixedly connected with a sliding conductor 5234. The airbag 5233 and the built-in channel 5232 are interconnected, so that the gas in the built-in channel 5232 can directly enter the interior of the airbag 5233. It should be noted that the wire connecting the movable plate 521 and the PCB circuit board 4 is electrically connected to the sliding conductor 5234. The method of electrical connection required shall be adaptively selected by technical personnel in this field according to the specifications of the movable plate 521 and the terminal body 5231 to ensure that the movement of the sliding conductor 5234 is not affected.

[0042] When the electric push rod 511 is turned on, the output end of the electric push rod 511 drives the piston to slide downward on the inner wall of the piston cylinder 512. When the electric push rod 511 controls the piston to slide downward on the inner wall of the piston cylinder 512, the piston squeezes the gas inside the piston cylinder 512, causing the air pressure inside the piston cylinder 512 to increase. Since one end of the built-in channel 5232 is connected to the docking tube 522, the high air pressure inside the piston cylinder 512 enters the airbag 5233 through the built-in channel 5232, causing the airbag 5233 to expand. The expanded airbag 5233 acts on the sliding conductor 5234 to Figure 7 For example, the sliding conductor 5234 will move toward the outside of the built-in channel 5232. When the mobile distribution mechanism 52 and the fixed distribution mechanism 53 cooperate, the sliding conductor 5234 will be tightly attached to the fixed distribution mechanism 53, ensuring good contact between the mobile distribution mechanism 52 and the fixed distribution mechanism 53.

[0043] When the electric push rod 511 controls the piston to slide upward on the inner wall of the piston cylinder 512, the piston will suck the gas inside the piston cylinder 512, so that the air pressure inside the piston cylinder 512 is reduced. Since one end of the built-in channel 5232 is connected to the docking tube 522, the gas inside the piston cylinder 512 will be sucked from the airbag 5233 through the built-in channel 5232, causing the airbag 5233 to shrink. The shrinking airbag 5233 will act on the sliding conductor 5234 to reduce the pressure. Figure 7 For example, the sliding conductor 5234 will move toward the inner side of the built-in channel 5232, causing the sliding conductor 5234 to separate from the fixed power distribution mechanism 53.

[0044] In some embodiments of the present invention, Figure 4 and Figure 8 As shown, the fixed power distribution mechanism 53 includes a fixed power distribution board 531, the bottom surface of which is fixedly connected to an external board 532, and a docking groove 534 is provided on the inner side of the fixed power distribution board 531 near the docking terminal 523, and a conductor block 5341 is provided inside the docking groove 534 to match the sliding conductor 5234, and the conductor block 5341 is electrically connected to the docking cable 31 at the top of the external port 3 through the fixed power distribution board 531 and the external board 532. The conductor block 5341 is electrically connected to the docking cable 31 inside the fixed power distribution board 531 and the external board 532. The technical personnel in this field can make an adaptive selection based on the fixed power distribution board 531 and the external board 532 to ensure that the conductor block 5341 is electrically connected to the docking cable 31.

[0045] like Figure 6 、 Figure 7 and Figure 8 As shown, the docking terminal 523 fits in the docking groove 534, so that when the mobile power distribution mechanism 52 is engaged with the fixed power distribution mechanism 53, the docking terminal 523 can be completely embedded in the interior of the docking groove 534, ensuring a good connection between the docking terminal 523 and the docking groove 534. Therefore, the positions of the docking terminal 523 and the docking groove 534 are one-to-one corresponding;

[0046] It should also be noted that the number of external ports 3 is not limited to the number of attached ports. Figures 1-8 The number in can also be set to several, which can be adaptively adjusted by those skilled in the art according to the number of charging guns required to be configured for the intelligent power distribution component.

[0047] In some embodiments of the present invention, Figure 5 and Figure 6As shown, limiting holes 533 are provided at the four corners of the fixed distribution board 531, and the four corners of the movable plate 521 close to the fixed distribution board 531 are fixedly connected with limiting rods 524 that match the limiting holes 533. The side of the limiting rod 524 is embedded with a support spring 525. In the process of the movable plate 521 moving toward the side of the fixed distribution board 531, the movable plate 521 will drive the limiting rod 524 to move synchronously, so that the limiting rod 524 cooperates with the limiting hole 533 to ensure the stability of the movable plate 521 during movement. In the process of the movable plate 521 moving, the movable plate 521 will also squeeze the support spring 525 to overcome the elastic force of the support spring 525.

[0048] In some embodiments of the present invention, Figure 7 and Figure 8 As shown, a control cylindrical block 535 is fixedly connected to the inner side of the docking groove 534, and a control groove 5235 is provided on the surface of the terminal body 5231 near the control cylindrical block 535. A control lock tongue 5236 is provided on the inner side of the control groove 5235, and a spring is provided at the bottom end of the control lock tongue 5236. The elastic force of the spring directly acts on the control lock tongue 5236, so that the control lock tongue 5236 is located inside the control groove 5235. It should be noted that the control lock tongue 5236 isolates the built-in channel 5232 from the air bag 5233, but a vent hole is provided on the side of the control lock tongue 5236. When the control lock tongue 5236 is inside the control groove 5235, the vent hole is staggered with the built-in channel 5232. In this way, the built-in channel 5232 is not connected to the air bag 5233 under the isolation of the control lock tongue 5236.

[0049] Therefore, when the electric push rod 511 is opened at this time, the electric push rod 511 controls the piston to slide downward on the inner wall of the piston cylinder 512, and the piston will squeeze the gas inside the piston cylinder 512, so that the air pressure inside the piston cylinder 512 increases. Since one end of the built-in channel 5232 is connected to the docking pipe 522, the high air pressure inside the piston cylinder 512 will enter the built-in channel 5232, but will not enter the interior of the airbag 5233 due to the isolation of the control lock tongue 5236. At this time, the terminal body 5231 can move into the interior of the docking groove 534. Since the inner side of the docking groove 534 is fixedly connected with the control cylindrical block 535, the surface of the terminal body 5231 is close to A control groove 5235 is provided at the position of the control cylindrical block 535, so the control cylindrical block 535 will be embedded in the control groove 5235 and at the same time squeeze the control lock tongue 5236 to move the control lock tongue 5236 downward, so that the vent hole on the control lock tongue 5236 will correspond to the built-in channel 5232, so that the high-pressure gas inside the built-in channel 5232 will enter the interior of the airbag 5233 through the vent hole, causing the airbag 5233 to expand. The expanded airbag 5233 will act on the sliding conductor 5234, and the sliding conductor 5234 will move to the outside of the built-in channel 5232 and fit with the conductor block 5341 inside the docking groove 534. Figure 11 As shown, a groove that fits with the sliding conductor 5234 is provided near the conductor block 5341 of the docking slot 534. When the sliding conductor 5234 is embedded in the groove, it can also play an anti-slip effect to prevent the docking terminal 523 from detaching from the docking slot 534.

[0050] When the electric push rod 511 is turned on and the piston is moved in the opposite direction, that is, the piston is controlled to slide upward on the inner wall of the piston cylinder 512, the piston will suck the gas inside the piston cylinder 512, so that the air pressure inside the piston cylinder 512 is reduced. Since one end of the built-in channel 5232 is connected to the docking tube 522, the gas inside the piston cylinder 512 will be sucked from the airbag 5233 through the built-in channel 5232, causing the airbag 5233 to shrink. The shrinking airbag 5233 will act on the sliding conductor 5234 to reduce the pressure. Figure 7 For example, the sliding conductor 5234 will move toward the inner side of the built-in channel 5232, so that the sliding conductor 5234 will first separate from the conductor block 5341, and then the docking terminal 523 and the docking groove 534 will be separated.

[0051] In some embodiments of the present invention, a solenoid valve can be used instead of the control lock tongue 5236, and a switch for starting the solenoid valve is set inside the control groove 5235. When the control cylindrical block 535 cooperates with the control groove 5235, the switch of the solenoid valve can be started to open the solenoid valve, which can also allow the high-pressure gas in the built-in channel 5232 to enter the interior of the airbag 5233.

[0052] In some embodiments of the present invention, Figure 4 、 Figure 6 、 Figure 9 、 Figure 10 and Figure 11 As shown, the safety mechanism 54 includes a mechanism shell 541, and a hydraulic push rod 542 is installed on the bottom surface of the inner cavity of the mechanism shell 541. The other end of the hydraulic push rod 542 is embedded in the interior of the docking cable 31 through an oil pipe. The other end of the oil pipe is arranged at the front end of the charging gun. The front end of the charging gun is provided with a telescopic block for squeezing the hydraulic oil inside the oil pipe. When the charging gun is matched with the charging port on the new energy vehicle, the telescopic block provided at the front end of the charging gun will be squeezed, thereby squeezing the hydraulic oil inside the oil pipe, thereby activating the hydraulic push rod 542. A moving arm 543 is provided on the top of the hydraulic push rod 542, and a push rod is provided on the bottom surface of the moving arm 543 near the output end of the hydraulic push rod 542. When the hydraulic push rod 542 is activated, the hydraulic push rod 542 can drive the push rod through the delivery end, and the push rod drives the moving arm 543. The top surface is provided with an elastic locking tongue 544, and the bottom surface of the movable plate 521 is provided with a safety locking tongue groove 526 that matches the elastic locking tongue 544 near the elastic locking tongue 544. A sloped block is provided at the middle position of the side of the movable arm 543, and an inclined groove is provided on the side of the elastic locking tongue 544 relative to the inclined block. When the movable arm 543 moves, the elastic locking tongue 544 can be squeezed through the inclined groove to make the elastic locking tongue 544 move downward. The elastic locking tongue 544 moving downward will disengage from the safety locking tongue groove 526 provided on the bottom surface of the movable plate 521 near the elastic locking tongue 544, thereby releasing the lock of the movable plate 521. It should be noted that each charging gun corresponds to a docking cable 31, which corresponds to a hydraulic push rod 542, so any charging gun can release the lock of the movable plate 521 after cooperating with the charging port.

[0053] It should be noted that springs are provided at the bottom end of the elastic lock tongue 544 and one end of the movable arm 543. When the charging gun is detached from the charging port, the elastic lock tongue 544 and the movable arm 543 will return to their initial positions under the action of the spring force. When the movable plate 521 also returns, the elastic lock tongue 544 will be re-embedded in the safety lock tongue groove 526 to re-lock the movable plate 521.

[0054] In some embodiments of the present invention, the fixed power distribution mechanism 53 can also be replaced by an electromagnetic lock tongue. When the charging gun is matched with the charging port, the electromagnetic lock tongue can be activated to disengage the electromagnetic lock tongue from the safety lock tongue groove 526, thereby releasing the lock of the movable plate 521. When the charging gun is detached from the charging port, the electromagnetic lock tongue is closed, and the electromagnetic lock tongue will be re-embedded in the safety lock tongue groove 526, thereby re-locking the movable plate 521.

[0055] In some embodiments of the present invention, Figures 1-12As shown, a DC charging pile is disclosed, including a mounting shell 1, a cover plate 2 is bolted to the front of the mounting shell 1, a liquid crystal display 21 is installed on the top of the front of the cover plate 2, an external port 3 is fixedly connected to the bottom of the mounting shell 1, and the external port 3 is connected to the charging gun via a cable. The above-mentioned intelligent power distribution component is arranged inside the mounting shell 1. It should be noted that the arrangement positions of the PCB circuit board 4 and the safety power distribution mechanism 5 in the intelligent power distribution component can be adaptively adjusted by those skilled in the art according to the internal space of the mounting shell 1;

[0056] The fixed plate 513, the fixed distribution plate 531 and the mechanism housing 541 need to be fixed to the corresponding internal positions of the mounting shell 1 using bolts to ensure that the functions between the actuator 51, the mobile distribution mechanism 52, the fixed distribution mechanism 53 and the safety mechanism 54 are not affected.

[0057] In some embodiments of the present invention, the safety distribution mechanism 5 activates the LCD screen 21 based on the effective engagement of the charging gun and the charging port, and the activation switch of the LCD screen 21 is set inside the mechanism housing 541 near the end face position of the movable arm 543. When the movable arm 543 moves to the set position, the movable arm 543 can activate the activation switch of the LCD screen 21, so that the LCD screen 21 displays the interface. If the movable arm 543 does not move to the set position, that is, the engagement between the charging gun and the charging port is poor, the LCD screen 21 cannot display the interface, which can remind the user to check the docking of the charging gun and the charging port.

[0058] The start signal of the actuator 51 is controlled by the LCD screen 21. For example, a QR code can be displayed on the LCD screen 21. The user can start the actuator 51 through the QR code, so that the actuator 51 can drive the mobile power distribution mechanism 52. Specifically, the user uses a mobile terminal to scan the QR code displayed on the LCD screen 21. When the user completes the QR code scanning and performs corresponding operations, such as selecting the charging time, charging power, etc., the LCD screen 21 will generate an electrical signal to start the actuator 51 and transmit the electrical signal to the PCB circuit board 4. The PCB circuit board 4 then starts the actuator 51 to realize the charging operation of the new energy vehicle.

[0059] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. Intelligent power distribution component, characterized in that: include: A PCB circuit board (4) connected to an external power supply; A safe power distribution mechanism (5) connected to the PCB circuit board (4) via a wire; The safety power distribution mechanism (5) includes an actuator (51), an output end of the actuator (51) is connected to a mobile power distribution mechanism (52), a fixed power distribution mechanism (53) is provided on one side of the mobile power distribution mechanism (52), and a safety mechanism (54) is provided at the bottom of the mobile power distribution mechanism (52). The safety mechanism (54) releases the lock of the mobile power distribution mechanism (52) based on the effective engagement of the charging gun and the charging port.

2. The intelligent power distribution assembly according to claim 1, characterized in that: The actuator (51) includes an electric push rod (511), a piston cylinder (512) is provided at the bottom end of the electric push rod (511), a fixing plate (513) is fixedly connected to the bottom surface of the piston cylinder (512), and a fixing sleeve (514) is fixedly connected to one side of the fixing plate (513).

3. The intelligent power distribution assembly according to claim 2, characterized in that: The mobile power distribution mechanism (52) comprises a mobile plate (521), and a butt joint pipe (522) that matches the fixed sleeve (514) is fixedly connected to one side of the mobile plate (521) close to the fixed sleeve (514). The butt joint pipe (522) and the fixed sleeve (514) are sealed and slidably sleeved.

4. The intelligent power distribution assembly according to claim 3, characterized in that: A docking terminal (523) is fixedly connected to a side of the movable plate (521) away from the fixed sleeve (514), and a top surface of the movable plate (521) is connected to a PCB circuit board (4) via a wire.

5. The intelligent power distribution assembly according to claim 4, characterized in that: The butt-jointing terminal (523) comprises a terminal body (5231), wherein a built-in channel (5232) is provided inside the terminal body (5231), one end of the built-in channel (5232) is connected to the butt-jointing tube (522), and an air bag (5233) is provided at the other end of the built-in channel (5232), and a sliding conductor (5234) is fixedly connected to the outside of the air bag (5233).

6. The intelligent power distribution assembly according to claim 5, characterized in that: The fixed power distribution mechanism (53) comprises a fixed power distribution board (531), the bottom surface of the fixed power distribution board (531) is fixedly connected to an external connection board (532), and a docking groove (534) is provided on the inner side of the fixed power distribution board (531) near the docking terminal (523).

7. The intelligent power distribution assembly according to claim 6, characterized in that: A control cylindrical block (535) is fixedly connected to the inner side of the docking groove (534), a control groove (5235) is provided on the surface of the terminal body (5231) near the control cylindrical block (535), and a control locking tongue (5236) is provided on the inner side of the control groove (5235).

8. The intelligent power distribution assembly according to claim 3, characterized in that: The safety mechanism (54) includes a mechanism housing (541), a hydraulic push rod (542) is installed on the bottom surface of the inner cavity of the mechanism housing (541), a moving arm (543) is provided on the top of the hydraulic push rod (542), an elastic lock tongue (544) is provided on the top surface of the mechanism housing (541), and a safety lock tongue groove (526) that matches the elastic lock tongue (544) is opened on the bottom surface of the movable plate (521) near the elastic lock tongue (544).

9. DC charging pile, characterized in that: The mounting shell (1) comprises a cover plate (2) connected to the front of the mounting shell (1) by bolts, a liquid crystal display (21) is installed on the top of the front of the cover plate (2), an external port (3) is fixedly connected to the bottom of the mounting shell (1), and the external port (3) is connected to a charging gun via a cable; The interior of the installation shell (1) is provided with the intelligent power distribution component according to any one of claims 1 to 8.

10. The DC charging pile according to claim 9, characterized in that: The safety power distribution mechanism (5) activates the liquid crystal display screen (21) based on the effective engagement of the charging gun with the charging port.

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