Battery swapping station power supply and distribution system and battery swapping station

Abstract

The application relates to the technical field of power supply and distribution, in particular to a power supply and distribution system of a battery swap station, which comprises an incoming line power distribution cabinet, an uninterrupted power distribution cabinet, a first type of load and a second type of load; the incoming line power distribution cabinet is electrically connected with the first type of load and the uninterrupted power distribution cabinet respectively, and the uninterrupted power distribution cabinet is electrically connected with the second type of load; a circuit breaker and a contactor are arranged on the power supply circuit of the first type of load and the second type of load, and an auxiliary contact is arranged on the circuit breaker and the contactor; the second type of load comprises a station control system which is electrically connected with the contactor and the auxiliary contact respectively, and the station control system is used for carrying out closed-loop control on the on-off of the power supply circuit of the first type of load and the second type of load. The power supply and distribution system can realize closed-loop control on the power supply circuit of each load according to the signal of the auxiliary contact, and the safety and convenience of the power supply and distribution system are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power supply and distribution, in particular to a power supply and distribution system of a battery swap station and the battery swap station. BACKGROUND

[0002] With the popularization of new energy vehicles, how to effectively provide fast and effective energy supply for vehicles with insufficient energy has become a problem that vehicle owners and major manufacturers are very concerned about. Taking electric vehicles as an example, the current mainstream electric energy supply scheme includes charging scheme and battery replacement scheme. Compared with the charging scheme, the battery replacement scheme can complete the replacement of the power battery in a very short time and has no obvious effect on the service life of the power battery, so it is one of the main development directions of electric energy supply.

[0003] The battery replacement scheme is generally completed in a battery swap station, and the battery swap station is generally provided with an electric vehicle battery swap system, a battery pack charging system, a control system and a monitoring and fire extinguishing system. These systems have high integration, very large power consumption and very complex structure, so high requirements are put forward for the design work of the battery swap station, and strict requirements are also put forward for the power supply and distribution system of the battery swap station.

[0004] The existing power supply and distribution system of the electric vehicle battery swap station includes a power distribution cabinet and a load module electrically connected with the power distribution cabinet. In the power distribution process, a controller is used to integrally control the on-off state of multiple loads to obtain the effect of power distribution. This power distribution method is not convenient enough, and there is a great safety hazard in the power distribution process, and its safety still needs to be improved. SUMMARY

[0005] In view of the above problems of the prior art, the purpose of the present application is to provide a power supply and distribution system of a battery swap station and a battery swap station, which can improve the safety and convenience of the power supply and distribution system.

[0006] In order to solve the above problems, the present application provides a power supply and distribution system of a battery swap station, comprising an incoming line power distribution cabinet, an uninterrupted power distribution cabinet, a first type of load and a second type of load. The incoming line power distribution cabinet is electrically connected with the first type of load and the uninterrupted power distribution cabinet respectively, and the uninterrupted power distribution cabinet is electrically connected with the second type of load. Circuit breakers and contactors are arranged on the power supply circuits of the first type of load and the second type of load, and auxiliary contacts are arranged on the circuit breakers and the contactors. The second type of load includes a station control system, which is electrically connected with the contactors and the auxiliary contacts respectively, and the station control system is used for closed-loop control of the on-off of the power supply circuits of the first type of load and the second type of load.

[0007] Further, the system further comprises a remote control system, which is in communication connection with the station control system, and the remote control system can control the on-off of the contactor by sending control instructions to the station control system, thereby controlling the on-off of the power supply circuit of the first type of load and the second type of load.

[0008] Specifically, the first type of load comprises an uninterruptible power supply, and the incoming power distribution cabinet is electrically connected with the uninterruptible power distribution cabinet through the uninterruptible power supply, and the uninterruptible power supply is used to supply power to the uninterruptible power distribution cabinet.

[0009] Further, the incoming power distribution cabinet and the uninterruptible power distribution cabinet are both provided with a door opening power-off device, which comprises a cabinet door switch and a main circuit breaker, and the cabinet door switch is mechanically connected with the main circuit breaker.

[0010] Further, the incoming power distribution cabinet and the uninterruptible power distribution cabinet are both provided with a warning device, which is electrically connected with the station control system, and the station control system is further used to judge whether the power supply circuit of the first type of load and the second type of load is normal, and when the power supply circuit of the first type of load is not normal, the warning device of the incoming power distribution cabinet is controlled to issue a warning, and when the power supply circuit of the second type of load is not normal, the warning device of the uninterruptible power distribution cabinet is controlled to issue a warning.

[0011] Specifically, the warning device comprises a light warning device and / or a sound warning device.

[0012] Further, the incoming power distribution cabinet and the uninterruptible power distribution cabinet are both provided with a field control device, which is electrically connected with the station control system, and the field control device is used to control the first type of load and the second type of load on site, and the field control device comprises one or more of an emergency stop button, a control button, a change-over switch and an intelligent terminal.

[0013] Further, the incoming power distribution cabinet and the uninterruptible power distribution cabinet are both provided with an indicator light, which is electrically connected with the station control system, and the indicator light is used to display the on-off state of the power supply circuit of the first type of load and the second type of load.

[0014] Further, the first type of load comprises a water-cooled unit, an air conditioner / fan, an outdoor lighting system and a backup socket; and the second type of load comprises a battery replacement device, a stacker crane, a charging machine system, a monitoring fire control system, an environmental control system and an indoor lighting / access control system.

[0015] Another aspect of the present application protects a battery replacement station comprising a battery replacement station power supply system as described above.

[0016] Thanks to the above technical solutions, the present application has the following advantages:

[0017] (1)The power supply and distribution system of the battery swap station can improve the safety of the power supply and distribution system of the battery swap station by setting a circuit breaker and a contactor in the power supply circuit of each load and configuring an auxiliary contact for each circuit breaker and contactor, so that the station control system can realize closed-loop control of the power supply circuit of each load according to the signal of the auxiliary contact.

[0018] (2)The power supply and distribution system of the battery swap station can improve the convenience of the power supply and distribution system of the battery swap station by configuring a separate indicator light and control button for the power supply circuit of each load, intuitively displaying the on-off state of the power supply circuit of each load, and realizing individual control of each load; connecting the contactor on the power supply circuit of each load to the station control system and connecting the station control system to the remote control system to realize remote control function. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the present application, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 is a structural schematic diagram of the power supply and distribution system of the battery swap station provided by an embodiment of the present application;

[0021] Figure 2 is a load schematic diagram of the power supply and distribution system of the battery swap station provided by an embodiment of the present application;

[0022] Figure 3 is a structural schematic diagram of the incoming power distribution cabinet provided by an embodiment of the present application;

[0023] Figure 4 is a structural schematic diagram of the uninterrupted power distribution cabinet provided by an embodiment of the present application;

[0024] Figure 5 is a schematic diagram of the indicator light and switch of the incoming power distribution cabinet provided by an embodiment of the present application;

[0025] Figure 6 is a schematic diagram of the indicator light and switch of the uninterrupted power distribution cabinet provided by an embodiment of the present application.

[0026] Among them, 10-incoming power distribution cabinet, 20-uninterrupted power distribution cabinet, 30-first type load, 31-uninterruptible power supply, 40-second type load, 41-station control system, 50-circuit breaker, 60-contactor, 70-auxiliary contact. DETAILED DESCRIPTION

[0027] 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.

[0028] Reference Manual Figure 1 To the attached Figure 6 One embodiment of the present invention provides a power supply and distribution system for a battery swap station. Figure 1 As shown, the system may include: an incoming distribution cabinet 10, an uninterruptible distribution cabinet 20, a first type of load 30 and a second type of load 40; the incoming distribution cabinet 10 is electrically connected to the first type of load 30 and the uninterruptible distribution cabinet 20 respectively, and the uninterruptible distribution cabinet 20 is electrically connected to the second type of load 40; the power supply circuits of the first type of load 30 and the second type of load 40 are both provided with circuit breakers 50 and contactors 60, and the circuit breakers 50 and the contactors 60 are both provided with auxiliary contacts 70; the second type of load 40 includes a station control system 41, and the station control system 41 is electrically connected to the contactors 60 and the auxiliary contacts 70 respectively, and the station control system 41 is used to perform closed-loop control on the on and off of the power supply circuits of the first type of load 30 and the second type of load 40.

[0029] Specifically, the circuit breaker 50 can be used to protect the power supply circuit in which it is located. When a short circuit fault or severe overload occurs in the power supply circuit, the circuit breaker 50 can cut off the current in the power supply circuit. The contactor 60 can be used to control the on / off of the power supply circuit in which it is located. The signal of the contactor 60 is connected to the station control system 41. The station control system 41 can control the on / off of the power supply circuits of the first type of load 30 and the second type of load 40 by controlling the on / off of the contactor 60. The signal of the auxiliary contact 70 is connected to the station control system 41. The station control system 41 can implement closed-loop control of the power supply circuits of the first type of load 30 and the second type of load 40 according to the signal of the auxiliary contact 70.

[0030] In an embodiment of the present invention, the first type of load 30 may include an uninterruptible power supply (UPS) 31, and the incoming distribution cabinet 10 can be electrically connected to the uninterruptible distribution cabinet 20 through the uninterruptible power supply 31, and the uninterruptible power supply 31 is used to supply power to the uninterruptible distribution cabinet 20.

[0031] Specifically, the incoming power distribution cabinet 10 can be powered by a national power supply of 380V, the UPS power supply 31 can be charged by the input power supply of the incoming power distribution cabinet 10, and in the event of power supply, the uninterrupted power distribution cabinet 20 can be continuously powered to realize the uninterrupted power supply requirement of the uninterrupted power distribution cabinet 20.

[0032] In the embodiment of the application, the first type of load 30 can further include a water cooling unit, an air conditioner / fan, an outdoor lighting system and a backup socket. Figure 2 The second type of load 40 can further include a battery replacement device, a stacker crane, a charging machine system, a monitoring fire control system, an environmental control system and an indoor lighting / access control system.

[0033] In actual application, the power supply circuit of the first type of load 30 and the second type of load 40 can further include a relay or a 24V AC / DC power supply, the relay is electrically connected with the station control system 41, and the station control system 41 can control the on-off of the power supply circuit of the first type of load 30 and the second type of load 40 according to the signal of the relay. Figure 3 Figure 4 For example, referring to the drawings in the accompanying drawings, the power supply circuit of the air conditioner / fan and the power supply circuit of the indoor lighting / access control system can be provided with a relay, and the power supply circuit of the battery replacement platform and the power supply circuit of the stacker crane can be provided with a 24V AC / DC power supply.

[0034] In the embodiment of the application, the incoming power distribution cabinet 10 and the uninterrupted power distribution cabinet 20 are both provided with a door opening power-off device, the door opening power-off device includes a cabinet door switch and a main circuit breaker, and the cabinet door switch is mechanically connected with the main circuit breaker.

[0035] Specifically, when the cabinet door switch is opened, the main circuit breaker can be disconnected, so that the door opening power-off function can be realized. The cabinet door switch signal can also be connected to the station control system 41, and the station control system 41 can control the on-off of the power supply circuit of the first type of load 30 and the second type of load 40 according to the cabinet door switch signal.

[0036] In the embodiment of the application, the incoming power distribution cabinet 10 and the uninterrupted power distribution cabinet 20 are both provided with a warning device, the warning device is electrically connected with the station control system 41, and the station control system 41 can also be used to judge whether the power supply circuit of the first type of load 30 and the second type of load 40 is normal, when the power supply circuit of the first type of load 30 is not normal, the warning device of the incoming power distribution cabinet 10 is controlled to issue a warning, and when the power supply circuit of the second type of load 40 is not normal, the warning device of the uninterrupted power distribution cabinet 20 is controlled to issue a warning.

[0037] ​Specifically, the warning device can include a light warning device and / or a sound warning device. The station control system 41 can determine abnormal conditions of the power supply circuits of the first type of load 30 and the second type of load 40 according to signals of the contactor 60 and the auxiliary contact 70, and when an abnormality occurs in a certain power supply circuit, the electrical fault can be displayed by controlling the light warning device to flash and / or controlling the sound warning device to alarm.

[0038] In the embodiment of the present application, the incoming line distribution cabinet 10 and the uninterrupted distribution cabinet 20 are both provided with indicator lights, which are electrically connected to the station control system 41, and the indicator lights are used to display the on-off conditions of the power supply circuits of the first type of load 30 and the second type of load 40.

[0039] Specifically, the indicator light power is connected to the station control system 41, and the station control system 41 can control the indicator light according to the on-off condition of the auxiliary contact 70. When the power supply circuit of a certain load is turned on, the corresponding indicator light can be controlled to turn on. The indicator light can directly display the on-off condition of the power supply circuit of each load, improving the convenience of the system. In actual application, one indicator light can be provided for each first type of load 30 and each second type of load 40, or one indicator light can be provided for multiple loads. For example, referring to the drawings, the indicator light can include a water chiller unit indicator light, an air conditioner / fan indicator light, a battery replacement platform indicator light, and an environmental control system indicator light, etc. Figure 5 and the accompanying Figure 6

[0040] In the embodiment of the present application, the incoming line distribution cabinet 10 and the uninterrupted distribution cabinet 20 are both provided with a field control device, which is electrically connected to the station control system 41, and the field control device is used to control the first type of load 30 and the second type of load 40 on site. The field control device includes one or more of an emergency stop button, a control button, a changeover switch, and an intelligent terminal.

[0041] Specifically, the signal of the field control device is connected to the station control system 41, and the station control system 41 can control the on-off of the power supply circuits of the first type of load 30 and the second type of load 40 according to the signal of the field control device. In actual application, at least one field control device can be provided for each first type of load 30 and each second type of load 40, and the power supply circuit of each load can be controlled individually without opening the cabinet door, improving the convenience of the system. For example, referring to the drawings, the field control device can include an emergency stop button, a control button, a changeover switch, and an intelligent terminal. Figure 5 and the accompanying Figure 6 ​The on-site control device can include an uninterrupted power supply control button, an off-site lighting control button, a charging cabinet control button, a lighting / access control button, an emergency stop button, and a local / remote mode conversion switch, which can be connected to the station control system 41 to realize local / remote mode switching; the emergency stop button can be connected to the station control system 41, and pressing the button in an emergency situation can disconnect all contactors 60 in the power supply circuit.

[0042] In one possible embodiment, the system can further include a remote control system, which is communicatively connected to the station control system 41, and can control the on / off of the contactor 60 by sending control instructions to the station control system 41, thereby controlling the on / off of the power supply circuit of the first type of load 30 and the second type of load 40.

[0043] Specifically, by communicatively connecting the remote control system to the station control system 41, remote control of each load can be realized through the remote control system, realizing the remote control function of the system.

[0044] One embodiment of the present application also provides a battery swap station, which includes the battery swap station power supply and distribution system as described above.

[0045] In summary, the battery swap station power supply and distribution system has the following beneficial effects:

[0046] The battery swap station power supply and distribution system of the present application sets a circuit breaker and a contactor in the power supply circuit of each load, and configures an auxiliary contact for each circuit breaker and contactor, so that the station control system can realize closed-loop control of the power supply circuit of each load according to the signal of the auxiliary contact, thereby improving the safety of the battery swap station power supply and distribution system.

[0047] The battery swap station power supply and distribution system of the present application configures a separate indicator light and control button for the power supply circuit of each load, which can intuitively display the on / off state of the power supply circuit of each load and realize individual control of each load; connecting the contactor in the power supply circuit of each load to the station control system and connecting the station control system to the remote control system can realize remote control function, thereby improving the convenience of the battery swap station power supply and distribution system.

[0048] The above description has fully disclosed the specific embodiments of the present application. It should be pointed out that any modification of the specific embodiments of the present application made by those skilled in the art does not deviate from the scope of the claims of the present application. Accordingly, the scope of the claims of the present application is not limited to the foregoing specific embodiments.

Claims

1. A power supply and distribution system for a battery swap station, characterized in that, The power distribution cabinet (10), the uninterrupted power distribution cabinet (20), the first type of load (30), the second type of load (40) and the remote control system are included. The incoming line power distribution cabinet (10) is electrically connected with the first type of load (30) and the uninterrupted power distribution cabinet (20) respectively, the uninterrupted power distribution cabinet (20) is electrically connected with the second type of load (40), and the second type of load (40) includes a station control system (41). The incoming line power distribution cabinet (10) and the uninterrupted power distribution cabinet (20) are provided with door opening power-off devices, the door opening power-off devices include a cabinet door switch and a main circuit breaker, the cabinet door switch is mechanically connected with the main circuit breaker, the incoming line power distribution cabinet (10) and the uninterrupted power distribution cabinet (20) are provided with warning devices, the warning devices are electrically connected with the station control system (41), and the station control system (41) is further used for judging whether the power supply loop of the first type of load (30) and the second type of load (40) is normal, when the power supply loop of the first type of load (30) is not normal, the warning device of the incoming line power distribution cabinet (10) is controlled to issue a warning, and when the power supply loop of the second type of load (40) is not normal, the warning device of the uninterrupted power distribution cabinet (20) is controlled to issue a warning. The power supply loop of the first type of load (30) and the second type of load (40) is provided with a circuit breaker (50) and a contactor (60), and the circuit breaker (50) and the contactor (60) are provided with auxiliary contacts (70). The station control system (41) is electrically connected with the contactor (60) and the auxiliary contacts (70) respectively, and the station control system (41) is used for closed-loop control of the on-off of the power supply loop of the first type of load (30) and the second type of load (40). The remote control system is in communication connection with the station control system (41), the remote control system can control the on-off of the contactor (60) by sending a control instruction to the station control system (41), so as to control the on-off of the power supply loop of the first type of load (30) and the second type of load (40).

2. The system of claim 1, wherein, The first type of load (30) includes an uninterruptible power supply (31), the incoming line power distribution cabinet (10) is electrically connected with the uninterrupted power distribution cabinet (20) through the uninterruptible power supply (31), and the uninterruptible power supply (31) is used for supplying power to the uninterrupted power distribution cabinet (20).

3. The system of claim 1, wherein, The warning device includes a light warning device and / or a sound warning device.

4. The system of claim 1, wherein, The incoming line power distribution cabinet (10) and the uninterrupted power distribution cabinet (20) are provided with on-site control devices, the on-site control devices are electrically connected with the station control system (41), the on-site control devices are used for on-site control of the first type of load (30) and the second type of load (40), and the on-site control devices include one or more of an emergency stop button, a control button, a change-over switch and an intelligent terminal.

5. The system of claim 1, wherein, The incoming power distribution cabinet (10) and the uninterrupted power distribution cabinet (20) are provided with indicator lamps which are electrically connected with the station control system (41) and are used to display the on-off state of the power supply circuit of the first type of load (30) and the second type of load (40).

6. The system of claim 1, wherein, The first type of load (30) includes water cooling units, air conditioners / fans, station external lighting systems and standby sockets; the second type of load (40) includes battery replacement equipment, stacker cranes, charging machine systems, monitoring fire control systems, environmental control systems and station internal lighting / access control systems.

7. A battery swap station, characterized by, A battery replacement station power supply and distribution system comprising any one of claims 1-6.

Images