CN114649718A

CN114649718A - Electric vehicle charging pile circuit protection device and protection method

Info

Publication number: CN114649718A
Application number: CN202210430665.0A
Authority: CN
Inventors: 黄锦川
Original assignee: Guofeng Energy Huai'an Co ltd
Current assignee: Guofeng Energy Huai'an Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-06-21

Abstract

The invention discloses a protection device and a protection method for a charging pile circuit of an electric vehicle, which comprises a fixed box, a connecting layer and a charging box, wherein the fixed box is connected with the connecting layer; the connecting layer is arranged at the top of the fixed box, the charging box is connected and arranged at the top of the connecting layer, the lifting rod is arranged in the fixed box, the butt joint plate is arranged at the top of the lifting rod, the adapter plate is arranged at the top of the fixed box, and the fuse tube is arranged in the connecting layer.

Description

Electric vehicle charging pile circuit protection device and protection method

Technical Field

The invention belongs to the technical field of electric vehicle charging piles, and particularly relates to a circuit protection device and a protection method for an electric vehicle charging pile.

Background

With the rapid development of economy in China, the transportation means is greatly improved, and as a novel transportation means, namely an electric vehicle, newly developed in recent years, the electric vehicle has the advantages of portability, environmental protection, economy and the like which are not possessed by other transportation means. The charging process of the electric vehicle is long, the charging capacity and the driving distance of the battery are required to be estimated every time the electric vehicle is ridden, and the inconvenience is brought to daily use due to the insufficient capacity of the battery, so that the charging station of the electric vehicle is in charge,

at ordinary times (night is preferred), the power of a power grid is charged into the regenerative storage battery through the primary side charger, and the regenerative storage battery can be charged slowly by using a small current because the energy storage charging is not required for time, the charging current can automatically arrange the charging time according to the electric quantity of the storage battery, and the night off-peak power is used to the maximum extent.

At present, more and more electric vehicle charging piles appear in the market, but most of the electric vehicle charging piles in the current stage are simple in structure and insufficient in protection, and power failure cannot be performed in advance when the internal temperature of the charging pile is too high, so that a fire disaster occurs in the using process, and the property and the safety of a user are affected.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a protection device and a protection method for an electric vehicle charging pile circuit.

In order to achieve the purpose, the invention provides the following technical scheme: a protection device and a protection method for an electric vehicle charging pile circuit comprise a fixed box, a connecting layer and a charging box;

the top of the fixed box is provided with a connecting layer, and the top of the connecting layer is connected with a charging box;

preferably, the fixed bottom of the case portion sets up the elevating platform, the elevating platform top sets up the lifter, the inside cylinder that sets up of elevating platform, cylinder electric connection lifter, the lifter top sets up the butt joint board, a plurality of spliced pole in butt joint board top, every the spliced pole is inside all to set up the connector, every the spliced pole top all sets up the notch, the bilateral symmetry in butt joint board top sets up the sensor, the inboard wall symmetry sets up the spout about the fixed case, the left and right sides symmetry of butt joint board sets up slider and spout swing joint.

Preferably, butt joint board bottom corresponds the spliced pole and sets up a plurality of through-hole, every the inside electric wire that sets up of through-hole, every electric wire inscription connector, every the external socket of electric wire, every the through-hole bottom all sets up the spacing ring, every the spacing ring bottom is the annular array and sets up a plurality of spacing post, spacing ring and spacing post set up a plurality of, every downwards the electric wire passes the spacing ring and is connected with outside socket.

Preferably, fixed roof portion sets up the keysets, the keysets bottom corresponds the spliced pole and sets up a plurality of adapter, adapter and connector electric connection, every the adapter corresponds the notch degree of depth and sets up the plush copper, the keysets bottom corresponds the sensor position and sets up buffer spring.

Preferably, the inside corresponding spliced pole quantity of connecting layer sets up a plurality of fuse tube, every fuse tube is inside all to be set up the fuse, the side sets up the shutter about the connecting layer.

Preferably, a plurality of mounting holes are formed in the bottom of the charging box corresponding to the positions and the number of the fuse tubes, a wire connector is arranged in each mounting hole, and each wire connector is electrically connected with the bottom fuse tube.

Preferably, the inside annular chamber that sets up of charging case, the annular chamber sets up the louvre at the back, the inside mounting panel that sets up of charging case, mounting panel front connection sets up the circuit board, the preceding fixed circuit board that passes through of circuit board, circuit board front connection sets up interface and lower interface on a plurality of, it corresponds the electric pile figure to fill in interface and lower interface.

Preferably, the circuit board sets up water cooling system at the back, the laminating sets up the heat-conducting plate at the back of the circuit board, the heat-conducting plate is connected at the back and is set up the rivers case, rivers case connection sets up water tank and pump case.

Preferably, the bottom of the adapter plate is provided with a screw rod which penetrates through the adapter plate to be connected with the fixed box, the bottom of the screw rod is connected with an adjusting nut, and the screw rod is in threaded connection with the adjusting nut.

Preferably, the sensor includes pressure sensor and temperature sensor, pressure sensor corresponds buffer spring and sets up in butt joint plate top both sides, just the charging case is inside to set up temperature sensor electric connection water cooling system.

A protection method of a new energy automobile charging pile with a protection function comprises the following steps:

step one, correspondingly connecting each interface: go up interface and lower interface correspondence and fill electric pile interface quantity, go up interface and lower interface and line connection, adjust the lifter and be connected connector and adapter.

Step two, temperature regulation: when the temperature in the charging box reaches the set value of the temperature sensor, the water cooling system is controlled to start to cool the circuit board.

Step three, disconnection protection: when the temperature in the circuit is too high or the circuit breaks down, the control center automatically controls the lifting rod to descend, and the circuit is controlled to be disconnected and protected.

The invention has the technical effects and advantages that: the electric vehicle charging pile circuit protection device and the protection method have the following advantages:

1. the circuit board and the wire outlet end in the charging pile are separately arranged by arranging the connecting layer, so that the product is provided with a plurality of fuse tubes corresponding to the wire outlet end in the connecting layer, a single circuit is protected by the product in the use process, and the fuse tubes are arranged in the connecting layer at intervals, so that the safety of other parts is ensured.

2. According to the invention, the lifting rod is arranged in the fixed box to control the butt plate to realize automatic connection and disconnection of the outlet ends, and the plurality of limiting rings and limiting columns are arranged at the bottom of each through hole, so that each outlet is separated by a product, the fire hazard caused by superposition of all wires is avoided, and the arrangement of the wires is facilitated.

3. Through setting up the annular chamber in charging case inside, the charging case of being convenient for is inside thermal-insulated, through vertical setting circuit board and set up water cooling system at the back at the circuit board, when the noise reduction, quick cooling to the circuit board.

Drawings

FIG. 1 is a schematic external view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is an enlarged view of a portion of the holding box of the present invention;

FIG. 4 is an enlarged view of the connector of the present invention;

FIG. 5 is a schematic view of the interior of the charging box of the present invention;

FIG. 6 is a partial top view of the charging box of the present invention;

FIG. 7 is a schematic view of the inside of the charging case and the side of the connecting layer according to the present invention;

FIG. 8 is a schematic flow chart of the method of the present invention.

In the figure: 1-fixed box, 11-lifting platform, 12-lifting rod, 13-sliding chute, 14-butt plate, 141-sliding block, 142-connecting column, 143-notch, 144-connecting head, 145-through hole, 146-limiting column, 147-limiting ring, 148-sensor, 15-adapter plate, 151-adapter, 152-raised head, 153-buffer spring, 154-screw rod, 155-adjusting nut, 2-connecting layer, 21-shutter, 22-fuse tube, 3-charging box, 31-annular cavity, 32-heat dissipation hole, 33-mounting hole, 34-wire connector, 35-circuit board, 36-mounting plate, 37-upper interface, 38-lower interface, 39-water cooling system, 391-heat conducting plate, 392-Water flow tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 8 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 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.

The invention provides a circuit protection device and a protection method for an electric vehicle charging pile as shown in figures 1-8, which comprises a fixed box 1, a connecting layer 2 and a charging box 3;

the top of the fixed box 1 is provided with a connecting layer 2, and the top of the connecting layer 2 is connected with a charging box 3;

specifically, through setting up elevating platform 11 in fixed case 1 bottom, elevating platform 11 top sets up lifter 12, lifter 12 top sets up buttcover plate 14 for the product can be through the lift completion of elevating platform 11 control lifter 12 to being connected and the disconnection of buttcover plate 14, guarantees charging case 3 inside circuit safety, through at a plurality of spliced pole 142 in buttcover plate 14 top, every spliced pole 142 is inside all to set up connector 144, every spliced pole 142 top all sets up notch 143, the connection of the circuit of being convenient for, through setting up sensor 148 in the left and right side symmetry at buttcover plate 14 top, the inside feedback control of product of being convenient for sets up spout 13 through the left and right sides inner wall symmetry in fixed case 1, the symmetry sets up slider 141 and spout 13 swing joint about buttcover plate 14 for product buttcover plate 14 can follow spout 13 and remove.

Specifically, through corresponding spliced pole 142 in butt-joint plate 14 bottom set up a plurality of through-hole 145, the external connection of electric lines of being convenient for, and through at every through-hole 145 bottom all sets up spacing ring 147, every spacing ring 147 bottom is the annular array and sets up a plurality of spacing post 146, spacing ring 147 and spacing post 146 set up a plurality of downwards for the product is with the restriction of external electric lines in spacing ring 147, thereby avoids the stack of a plurality of electric wires to place and causes the heat to give off and not go out and take place the conflagration.

Specifically, through setting up keysets 15 at fixed case 1 top, keysets 15 bottom corresponds spliced pole 142 and sets up a plurality of adapter 151, every adapter 151 corresponds notch 143 degree of depth and sets up plush copper 152, and the product of being convenient for is connected plush copper 152 and external wire, and through setting up buffer spring 153 in keysets 15 bottom corresponding sensor 148 position, avoid the big butt joint 151 of butt plate 14 pressure to cause the damage.

Specifically, set up a plurality of fuse tube 22 through corresponding spliced pole 142 quantity in the inside of articulamentum 2, through set up the fuse in every fuse tube 22, make the product add the fuse in to every interface and external connection electric wire, increase the circuit protection effect of product, set up shutter 21 through controlling the side at articulamentum 2, make the product set up fuse tube 22 in solitary articulamentum 2, increase the protection effect of other parts, and increase the radiating effect.

Specifically, a plurality of mounting holes 33 are formed in the bottom of the charging box 3 corresponding to the positions and the number of the fuse tubes 22, a wire joint 34 is arranged in each mounting hole 33, and each wire joint 34 is electrically connected with the bottom fuse tube 22.

Specifically, through at the inside annular chamber 31 that sets up of charging case 3, annular chamber 31 sets up louvre 32 at the back, increases the inside thermal-insulated and radiating effect of charging case 3, the inside mounting panel 36 that sets up of charging case 3, the preceding connection of mounting panel 36 sets up circuit board 35, circuit board 35 front connection sets up interface 37 and lower interface 38 on a plurality of.

Specifically, through set up water cooling system 39 behind circuit board 35, the laminating sets up heat-conducting plate 391 behind circuit board 35, heat-conducting plate 391 is connected at the back and is set up rivers case 392 for the product reduces the noise, quick to the cooling of circuit board 35.

Specifically, the screw 154 is arranged at the bottom of the adapter plate 15 and penetrates through the adapter plate 15 to be connected with the fixed box 1, and the adjusting nut 155 is arranged at the bottom of the screw 154 in a connecting manner, so that the position of the adapter plate 15 is controlled by a product through the adjusting nut 155, and the position of the adapter 151 is conveniently controlled.

Specifically, through including pressure sensor and temperature sensor with sensor 148 for the product is when control buttjunction board 14 butt joint adapter 151, through the automatic butt joint of the braking completion circuit of pressure sensor feedback control elevating platform 11, through setting up temperature sensor control outage control lifter 12 and descend and accomplish the circuit separation when filling the electric pile temperature and reach the critical value of settlement, just 3 inside temperature sensor electric connection water cooling system 39 that sets up of charging case, when filling the electric pile in the high critical value that reaches the settlement of temperature, control water cooling system 39 starts the cooling to circuit board 35.

step one, correspondingly connecting each interface: go up interface 37 and lower interface 38 and correspond and fill electric pile interface quantity, go up interface 37 and lower interface 38 and be connected with line joint 34, adjust lifter 12 and be connected connector 144 and adapter 151.

Step two, temperature regulation: when the temperature in the charging box 3 reaches the set value of the temperature sensor, the water cooling system is controlled to start to cool the circuit board 35.

Step three, disconnection protection: when the temperature in the circuit is too high or the circuit breaks down, the control center automatically controls the lifting rod 12 to descend, and the circuit is controlled to be disconnected to protect the circuit.

The working principle is as follows: according to the electric vehicle charging pile circuit protection device and the electric vehicle charging pile circuit protection method, the connecting layer 2 is arranged to separately arrange the circuit board 35 and the wire outlet end in the charging pile, so that the product is provided with the plurality of fuse tubes 22 corresponding to the wire outlet end in the connecting layer 2, the product protects a single circuit in the use process, and the fuse tubes 22 are arranged in the connecting layer 2 in a clearance mode, and the safety of other parts is guaranteed.

Connecting corresponding interfaces on a circuit board 35 with wire connectors 34, electrically connecting each wire connector 34 with a fuse tube 22, arranging the fuse tubes 22 in a connecting layer 2, electrically connecting the fuse tubes 22 with an adapter plate 15, electrically connecting each fuse tube 22 with an adapter 151, controlling the lifting rod 22 to move upwards by an operator, connecting the butt plate 14 in a sliding way in the chute 13, controlling the lifting platform 11 to stop when a pressure sensor operates, connecting an external wire in a limiting ring 147 with the adapter 151, controlling a water cooling system to start to cool the circuit board 35 when the temperature in a charging pile is over to a set critical value, controlling the lifting rod 12 to descend by a temperature sensor to disconnect the circuit connection, additionally arranging fuses in each interface and the external wire by arranging the fuses in each fuse tube 22, and increasing the circuit protection effect of the product, through set up water cooling system 39 behind circuit board 35, the laminating sets up heat-conducting plate 391 behind circuit board 35, heat-conducting plate 391 is connected at the back and is set up rivers case 392 for the product reduces the noise, quick cooling to circuit board 35.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an electric vehicle charging pile circuit protection device which characterized in that: comprises a fixed box (1), a connecting layer (2) and a charging box (3);

the top of the fixed box (1) is provided with a connecting layer (2), and the top of the connecting layer (2) is connected with a charging box (3);

the bottom of the fixed box (1) is provided with a lifting table (11), the top of the lifting table (11) is provided with a lifting rod (12), the top of the lifting rod (12) is provided with a butt plate (14), the top of the butt plate (14) is provided with a plurality of connecting columns (142), a connector (144) is arranged inside each connecting column (142), the top of each connecting column (142) is provided with a notch (143), the left side and the right side of the top of the butt plate (14) are symmetrically provided with sensors (148), the inner walls of the left side and the right side of the fixed box (1) are symmetrically provided with chutes (13), and the left side and the right side of the butt plate (14) are symmetrically provided with sliders (141) movably connected with the chutes (13);

the bottom of the butt joint plate (14) is provided with a plurality of through holes (145) corresponding to the connecting column (142), the bottom of each through hole (145) is provided with a limiting ring (147), the bottom of each limiting ring (147) is provided with a plurality of limiting columns (146) in an annular array, and the limiting rings (147) and the limiting columns (146) are downwards provided with a plurality of limiting columns;

fixed case (1) top sets up keysets (15), keysets (15) bottom corresponds spliced pole (142) and sets up a plurality of adapter (151), every adapter (151) correspond notch (143) degree of depth and set up plush copper (152), keysets (15) bottom corresponds sensor (148) position and sets up buffer spring (153).

2. The electric vehicle charging pile circuit protection device of claim 1, characterized in that: the inside spliced pole (142) that corresponds of articulamentum (2) quantity sets up a plurality of fuse tube (22), the side sets up shutter (21) about articulamentum (2).

3. The electric vehicle charging pile circuit protection device of claim 2, characterized in that: the bottom of the charging box (3) is provided with a plurality of mounting holes (33) corresponding to the positions and the number of the fuse tubes (22), each mounting hole (33) is internally provided with a wire joint (34), and each wire joint (34) is electrically connected with the bottom fuse tube (22).

4. The electric vehicle charging pile circuit protection device of claim 3, characterized in that: charging box (3) inside sets up annular chamber (31), annular chamber (31) sets up louvre (32) at the back, charging box (3) inside sets up mounting panel (36), mounting panel (36) front connection sets up circuit board (35), circuit board (35) front connection sets up interface (37) and lower interface (38) on a plurality of.

5. The electric vehicle charging pile circuit protection device of claim 4, wherein: the water cooling system (39) is arranged behind the circuit board (35), the heat conducting plate (391) is attached to the back of the circuit board (35), and the water flow box (392) is connected to the back of the heat conducting plate (391).

6. The electric vehicle charging post circuit protection device of claim 5, wherein: the bottom of the adapter plate (15) is provided with a screw rod (154) which penetrates through the adapter plate (15) to be connected with the fixed box (1), and the bottom of the screw rod (154) is connected with an adjusting nut.

7. The electric vehicle charging pile circuit protection device of claim 6, wherein: the sensors (148) include a pressure sensor and a temperature sensor.

8. The protection method of the electric vehicle charging pile circuit protection device according to any one of claims 1 to 7, characterized in that: the protection method comprises the following steps:

step one, correspondingly connecting each interface: the upper interface (37) and the lower interface (38) correspond to the number of the charging pile interfaces, the upper interface (37) and the lower interface (38) are connected with the wire joint (34), and the lifting rod (12) is adjusted to connect the connector (144) with the adapter (151);

step two, temperature regulation: when the temperature in the charging box (3) reaches a set value of the temperature sensor, the water cooling system is controlled to start to cool the circuit board (35);

step three, disconnection protection: when the temperature in the circuit is too high or the circuit breaks down, the control center automatically controls the lifting rod (12) to descend, and the circuit is controlled to be disconnected and protected.