Charging pile circuit

Abstract

The utility model relates to a charging pile circuit which comprises a charging row, a circuit breaker QF1, a circuit breaker QF2, a separation release MXOF, an emergency stop button SB, a maintenance socket XS11 and a plurality of charging sockets. The fire ports of the charging rows are connected with the L ports of the charging sockets in a one-to-one correspondence manner; the N2 port of the charging row is connected with the N port of each charging socket; a port C1 of the separation tripper MXOF is connected to a port NO of the scram button SB, a port COM of the scram button SB is connected to a fourth end of the circuit breaker QF2, a port C2 of the separation tripper MXOF is connected to a second end of the circuit breaker QF2, and a tripping end of the separation tripper MXOF is connected with the circuit breaker QF2. The live wire of each charging socket is independently connected from the fire port of the charging row, the power input L1 end and the power input N1 end of the charging row are connected to the external live wire and the external zero wire through the circuit breaker QF1 and the circuit breaker QF2, when a circuit breaks down, current can be cut off rapidly, and safety of the charging row and the electric bicycle is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging technical field, concretely is a kind of charging pile circuit. BACKGROUND

[0002] Electric bicycle charging pile refers to the equipment specially providing charging service for electric bicycle (battery car).With the popularity of electric bicycle, the demand of charging pile is also increasing, and the circuit setting of charging pile is related to the charging safety of electric bicycle, how to ensure the safety of charging pile in the charging process is the technical problem to be solved by the present application. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a kind of charging pile circuit, can avoid line failure by the setting of circuit breaker, separation tripping device, emergency stop button, by the setting of maintenance socket, can provide power supply when failure occurs.

[0004] The technical scheme of the utility model is as follows:

[0005] A kind of charging pile circuit, it includes charging pile, circuit breaker QF1, circuit breaker QF2, separation tripping device MXOF, emergency stop button SB, maintenance socket XS11 and several charging sockets.

[0006] The first end of circuit breaker QF1 is connected with external live wire, the second end of circuit breaker QF1 is connected with the first end of circuit breaker QF2, the second end of circuit breaker QF2 is connected with the L1 port of charging pile, the L1 port of charging pile and the fire port of each charging pile are connected through relay respectively, and the fire port of each charging pile and the L port of each charging socket are connected one by one.

[0007] The third end of circuit breaker QF1 is connected with external zero line, the fourth end of circuit breaker QF1 is connected with the third end of circuit breaker QF2, the fourth end of circuit breaker QF2 is connected with the N1 port of charging pile, the N1 port of charging pile is connected with the N2 port of charging pile, and the N2 port of charging pile is connected with the N port of each charging socket.

[0008] The C1 port of separation tripping device MXOF is connected to the NO port of emergency stop button SB, the COM port of emergency stop button SB is connected to the fourth end of circuit breaker QF2, the C2 port of separation tripping device MXOF is connected to the second end of circuit breaker QF2, the tripping end of separation tripping device MXOF is connected with circuit breaker QF2, when emergency stop button SB is closed, then separation tripping device MXOF controls circuit breaker QF2 to trip.

[0009] The ground wire of external is connected with the ground port of charging pile, the PE port of maintenance socket XS11 and the PE port of each charging socket respectively.

[0010] The N port of the maintenance socket XS11 is connected with the fourth end of the circuit breaker QF1, and the port of the maintenance socket XS11 is connected with the second end of the circuit breaker QF2.

[0011] In summary, the above technical solution has the following beneficial effects: the fire wire of each charging socket in the application is independently connected from the fire port of the charging pile, the power inlet L1 end and the N1 end of the charging pile are connected to the external fire wire and zero line through the two circuit breakers QF1 and QF2, when a circuit fault occurs, the current can be quickly disconnected to ensure the safety of the charging pile and the electric bicycle. The circuit breaker QF2 can also be manually disconnected through the emergency stop button SB, after disconnection, the maintenance socket XS11 can still supply power for maintenance use. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a circuit diagram schematic view of a charging pile circuit;

[0013] Figure 2 It is a charging cabinet schematic view of a charging pile circuit.

[0014] Reference signs: 10, charging cabinet; 20, guardrail; 30, wiring pipe; 40, charging socket; 50, charging row. DETAILED DESCRIPTION

[0015] The utility model will be further explained in detail in combination with the drawings and examples. Same parts are indicated by the same reference signs. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular part.

[0016] As Figure 1As shown, a charging pile circuit includes a charging row 50, a circuit breaker QF1, a circuit breaker QF2, a separate tripping device MXOF, an emergency stop button SB, a maintenance socket XS11 and a plurality of charging sockets 40; the external live wire is connected to the first end of the circuit breaker QF1, the second end of the circuit breaker QF1 is connected to the first end of the circuit breaker QF2, the second end of the circuit breaker QF2 is connected to the L1 port of the charging row 50, the L1 port of the charging row 50 and the fire port of each charging row 50 are respectively connected through a relay, and the fire port of each charging row 50 and the L port of each charging socket 40 are connected one by one; the external zero line is connected to the third end of the circuit breaker QF1, the fourth end of the circuit breaker QF1 is connected to the third end of the circuit breaker QF2, the fourth end of the circuit breaker QF2 is connected to the N1 port of the charging row 50, the N1 port of the charging row 50 is connected to the N2 port of the charging row 50, and the N2 port of the charging row 50 is connected to the N port of each charging socket 40; the C1 port of the separate tripping device MXOF is connected to the NO port of the emergency stop button SB, the COM port of the emergency stop button SB is connected to the fourth end of the circuit breaker QF2, the C2 port of the separate tripping device MXOF is connected to the second end of the circuit breaker QF2, and the tripping end of the separate tripping device MXOF is connected to the circuit breaker QF2. When the emergency stop button SB is closed, the separate tripping device MXOF controls the tripping of the circuit breaker QF2; the external ground wire is connected to the ground port of the charging row 50, the PE port of the maintenance socket XS11 and the PE port of each charging socket 40; the N port of the maintenance socket XS11 is connected to the fourth end of the circuit breaker QF1, and the port of the maintenance socket XS11 is connected to the second end of the circuit breaker QF2. The live wire of each charging socket 40 of the present application is independently connected from the fire port of the charging row 50, and the power input L1 end and the N1 end of the charging row 50 are connected to the external live wire and zero line through the two circuit breakers QF1 and QF2. When a fault occurs in the circuit, the current can be quickly disconnected to ensure the safety of the charging row 50 and the electric bicycle. The circuit breaker QF2 can also be manually disconnected through the emergency stop button SB. After disconnection, the maintenance socket XS11 can still supply power for maintenance. The L1 port of the charging row 50 and the fire port of each charging row 50 are respectively connected through a relay, which is not shown in the figure. The relay is controlled by the program of the charging pile. When the user selects a charging socket 40 for charging, the relay between the fire port of the corresponding charging socket 40 and the L1 is turned on.

[0017] The charging socket 40 is provided with ten, and the charging row 50 is provided with a fire port corresponding to each charging socket 40. The L port of each charging socket 40 is individually connected to the fire port of one charging row 50, so that the load of each charging socket 40 can be more accurately controlled, and when a charging plug short-circuits or other faults, it will not affect other charging plugs, improving safety, and it is also easier to locate the fault point after a fault occurs, and it is easier to adjust and expand when new charging sockets 40 need to be added or the existing layout needs to be changed in the future.

[0018] The circuit breaker QF1 is a residual current operated circuit breaker.

[0019] The N2 port of the charging row 50 is connected to the N port of each charging socket 40 through an N row.

[0020] The external ground wire is connected to the ground port of the charging row 50, the PE port of the maintenance socket XS11, and the PE port of each charging socket 40 through a PE row.

[0021] As shown in Figure 2 The charging row 50, the circuit breaker QF1, the circuit breaker QF2, the separation tripping device MXOF, the emergency stop button SB, and the maintenance socket XS11 are all arranged in the charging cabinet 10, one side of the charging cabinet 10 is provided with a guardrail 20, the guardrail 20 is provided with a wiring pipe 30, the wiring pipe 30 communicates with the charging cabinet 10, each charging socket 40 extends from the charging cabinet 10 into the wiring pipe 30 and is arranged along the wiring pipe 30, and the wiring pipe 30 is provided with an opening for exposing the charging socket 40 at each charging socket 40. The circuit of the charging row 50 is arranged in the charging pile, and the guardrail 20 of the charging pile can be used for parking electric bicycles and charging electric bicycles.

[0022] The above is only a preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the scope of the present application is within the protection scope of the present application. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principles of the present application are also considered within the protection scope of the present application.

Claims

1. A charging post circuit, characterized in that, The charging row (50), the circuit breaker QF1, the circuit breaker QF2, the separate tripping device MXOF, the emergency stop button SB, the maintenance socket XS11 and a plurality of charging sockets (40) are included. The external live wire is connected with the first end of the circuit breaker QF1, the second end of the circuit breaker QF1 is connected with the first end of the circuit breaker QF2, the second end of the circuit breaker QF2 is connected with the L1 port of the charging row (50), the L1 port of the charging row (50) is connected with the fire port of each charging row (50) through a relay respectively, and the fire port of each charging row (50) is connected with the L port of each charging socket (40) one by one. The external zero wire is connected with the third end of the circuit breaker QF1, the fourth end of the circuit breaker QF1 is connected with the third end of the circuit breaker QF2, the fourth end of the circuit breaker QF2 is connected with the N1 port of the charging row (50), the N1 port of the charging row (50) is connected with the N2 port of the charging row (50), and the N2 port of the charging row (50) is connected with the N port of each charging socket (40). The C1 port of the separate tripping device MXOF is connected with the NO port of the emergency stop button SB, the COM port of the emergency stop button SB is connected with the fourth end of the circuit breaker QF2, the C2 port of the separate tripping device MXOF is connected with the second end of the circuit breaker QF2, the tripping end of the separate tripping device MXOF is connected with the circuit breaker QF2, and when the emergency stop button SB is closed, the separate tripping device MXOF controls the circuit breaker QF2 to trip. The external ground wire is connected with the ground port of the charging row (50), the PE port of the maintenance socket XS11 and the PE port of each charging socket (40) respectively. The N port of the maintenance socket XS11 is connected with the fourth end of the circuit breaker QF1, and the port of the maintenance socket XS11 is connected with the second end of the circuit breaker QF2.

2. The charging station circuit of claim 1, wherein, The charging socket (40) is provided with ten charging sockets (40), and the charging row (50) is provided with the fire port corresponding to each charging socket (40).

3. The charging station circuit of claim 1, wherein, The circuit breaker QF1 is a residual current circuit breaker.

4. A charging station circuit according to claim 3, wherein, The N2 port of the charging row (50) is connected with the N port of each charging socket (40) through an N row.

5. A charging station circuit according to claim 4, wherein, The external ground wire is connected with the ground port of the charging row (50), the PE port of the maintenance socket XS11 and the PE port of each charging socket (40) respectively through a PE row.

6. A charging station circuit according to claim 4, wherein, The charging row (50), the circuit breaker QF1, the circuit breaker QF2, the separate tripping device MXOF, the emergency stop button SB and the maintenance socket XS11 are arranged in the charging cabinet (10), one side of the charging cabinet (10) is provided with a guardrail (20), the guardrail (20) is provided with a wiring pipe (30), the wiring pipe (30) communicates with the charging cabinet (10), each charging socket (40) extends into the wiring pipe (30) from the charging cabinet (10) and is arranged along the wiring pipe (30), and the wiring pipe (30) is provided with an opening for exposing the charging socket (40) at each charging socket (40).

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