High-voltage control device for energy storage cabinet
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a high-voltage control device for an energy storage cabinet.
Background
An energy storage cabinet is a device capable of storing electric energy, and is generally composed of a battery pack, a converter, a control unit and the like. The system can store electric energy and release the electric energy for power supply when needed, and is generally used for providing standby electric power and stabilizing the voltage of a power grid to realize valley-fill and peak-fill.
At present, a high-voltage control device of an energy storage cabinet is connected with an energy storage converter PCS and a battery system to control the charging of the battery system and obtain the state of the charging process of the battery system, the existing high-voltage control device is unreasonable in deployment, for example, a high-voltage control element and a low-voltage control element are deployed together to cause signal interference and influence the control performance, in addition, a switch which needs to be manually operated, a port which is connected with the outside, a button and the like are arranged on different panels in a separated mode, so that the installation and the subsequent use operation are not facilitated, and therefore, the high-voltage control device for the energy storage cabinet is necessary to be provided.
Disclosure of Invention
Aiming at the problems and the defects existing in the prior art, the invention provides a novel high-voltage control device for an energy storage cabinet.
The invention solves the technical problems by the following technical proposal:
the invention provides a high-voltage control device for an energy storage cabinet, which comprises a high-voltage control box, wherein the high-voltage control box comprises a box body and components arranged on the box body, and the box body comprises a bottom shell, a front panel, a top cover and a mounting plate which is fixed in the bottom shell and is used for bearing the components;
the front panel is sequentially provided with a high-voltage terminal group, a load switch QF1, a micro-disconnection switch group, a socket CZ, a network port group and an external signal port group from left to right, wherein the micro-disconnection switch group comprises a plurality of micro-disconnection switches, the network port group comprises a plurality of network ports, and the external signal port group comprises a plurality of external signal ports;
The mounting plate is divided into a plurality of areas by a wire slot and comprises a high-voltage area, an external port area, a control power supply area, a first control area and a second control area, wherein the high-voltage area is arranged at the front end of the mounting plate and corresponds to the positions of the high-voltage terminal group, the load switch QF1, the micro-break switch group and the socket CZ;
the high-voltage wiring terminal group comprises input connectors B+ and B-, and output connectors P+ and P-, and the high-voltage area is provided with a main positive contactor, a main negative contactor, a fuse and a current sensor;
The input connector B+, the fuse FU, the load switch QF1, the normally open contact of the main positive contactor and the output connector P+ are sequentially connected through copper bars; the input connector B-, the load switch, the current sensor, the normally open contact of the main negative contactor and the output connector P-are sequentially connected through copper bars;
the external port area is provided with a switch, an intermediate relay group and a wiring terminal group;
The control power supply area is provided with a first switch power supply, a second switch power supply, a temperature and humidity sensor and three diodes, wherein the first switch power supply is arranged on a mounting plate, a mounting cover is covered above the first switch power supply, and the second switch power supply is arranged on the mounting cover;
the first control area is provided with an energy storage controller and an I/O module;
the second control area is provided with an industrial personal computer;
The inside of the rear side plate of the bottom shell is provided with a fan, and the temperature and humidity sensor is electrically connected with the fan to control the start and stop of the fan.
Preferably, the copper bars are arranged in a staggered manner in space, so that a safe distance is kept between the copper bars.
Preferably, connecting columns are arranged at two ends of the fuse, and the copper bars are connected with the fuse through the connecting columns.
Preferably, the front panel is further provided with an indicator lamp, including an operation indicator lamp and a fault indicator lamp, where the operation indicator lamp and the fault indicator lamp are respectively disposed on two sides above the load switch QF 1.
Preferably, AN emergency start button AN is further arranged on the front panel, and the emergency start button AN is arranged close to the network interface group.
Preferably, the number of the fans is two, and the rear side plate of the bottom shell is provided with an exhaust opening corresponding to the fans.
Preferably, the left side plate and the right side plate of the bottom shell are both provided with air inlets.
Preferably, the rear end edge of the mounting plate is provided with a ground bar.
Preferably, the two ends of the front panel respectively extend outwards to form a connecting part extending out of the left side plate and the right side plate of the bottom shell, and the connecting part is provided with a connecting groove.
Preferably, handles are provided on the front panel at both ends close to each other.
The invention has the positive progress effects that:
The high-voltage control device for the energy storage cabinet comprises a high-voltage control box, wherein the high-voltage control box comprises a box body and components mounted on the box body, the box body comprises a bottom shell, a front panel, a top cover and a mounting plate fixed in the bottom shell and used for bearing the components, a high-voltage terminal group, a load switch QF1, a micro-switch group, a socket CZ, a network port group and an external signal port group are sequentially arranged on the front panel from left to right, the high-voltage terminal group, a switch needing manual operation and an externally connected port are sequentially arranged on the same panel, the high-voltage control box is sequentially arranged in a concentrated mode and is convenient to mount and use and operate in a subsequent mode, the mounting plate is divided into a plurality of areas by a wire slot and comprises a high-voltage area, an external port area, a control power supply area, a first control area and a second control area, the high-voltage area is arranged at the front end of the mounting plate and corresponds to the high-voltage terminal group, the load switch QF1, the micro-switch group and the socket CZ are arranged at the front end of the mounting plate and correspond to the position of the high-voltage terminal group, the position of the network port group and the external signal port group are arranged at the position of the network port group, the control area is arranged at the power supply area, the control area is convenient to be arranged at the power supply area and the power supply area is arranged at the rear control area and the control area is more corresponding to the first control area and the high-voltage area, and is convenient to mount and has stable operation performance.
Furthermore, the temperature and humidity sensor is arranged to control the start and stop of the fan, and the fan is started when needed, so that more energy is saved.
Further, the two ends of the front panel of the invention respectively extend outwards to form the connecting parts extending out of the left side plate and the right side plate of the bottom shell, the connecting parts are provided with connecting grooves, when the energy storage cabinet is installed, the connecting parts are connected with the cabinet body of the energy storage cabinet through the connecting grooves, the cabinet body does not need to be additionally grounded, and the installation efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage control device for an energy storage cabinet according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the high pressure control box with the bottom shell and top cover removed;
FIG. 3 is a schematic view of another angular structure of the high pressure control box according to the embodiment of the present invention with the bottom shell and the top cover removed;
FIG. 4 is a schematic view of another angle structure of the high-pressure control box according to the embodiment of the present invention, with the bottom shell and the top cover removed;
FIG. 5 is a schematic illustration of a structure of a high pressure control box according to an embodiment of the present invention with a bottom shell, a top cover and a fan removed;
Fig. 6 is a schematic view of another angle structure of a high-voltage control device for an energy storage cabinet according to an embodiment of the invention.
In the figure:
1-a box body, 11-a bottom shell, 12-a front panel, 121-a connecting part, 122-a connecting groove, 123-a handle, 13-a top cover, 14-a mounting plate, 141-a wire groove, 142-a high voltage area, 143-an external connection port area, 144-a control power supply area, 145-a first control area and 146-a second control area;
21-high voltage wiring terminal group, 22-load switch QF1, 23-micro-switch group, 24-socket CZ, 25-network port group, 26-external signal port group, 27-main positive contactor, 28-main negative contactor, 29-fuse, 30-current sensor, 31-copper bar, 32-switch, 33-intermediate relay group, 34-wiring terminal group, 35-first switch power supply, 36-second switch power supply, 37-temperature and humidity sensor, 38-diode, 39-mounting cover, 40-energy storage controller, 41-I/O module, 42-industrial personal computer, 43-fan, 44-connecting column, 45-operation indicator lamp, 46-fault indicator lamp, 47-emergency starting button AN and 48-grounding bar.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present embodiment provides a high voltage control device for an energy storage cabinet, which includes a high voltage control box, the high voltage control box includes a box 1 and components mounted on the box, the box 1 includes a bottom shell 11, a front panel 12, a top cover 13, and a mounting plate 14 fixed in the bottom shell 11 for carrying the components.
The front panel 12 is provided with a high-voltage terminal group 21, a load switch QF 122, a micro-disconnect switch group 23, a socket CZ 24, a network port group 25 and an external signal port group 26 in sequence from left to right, wherein the micro-disconnect switch group 23 comprises a plurality of micro-disconnect switches QF2, QF3 and QF4, the network port group 25 comprises a plurality of network ports EMS, BCU, LYQ, PCS, and the external signal port group 26 comprises a plurality of external signal ports GAM, GBM, GCM, GDM.
The mounting plate 14 is divided into a plurality of areas by the wire slot 141, and comprises a high-voltage area 142, an external port area 143, a control power area 144, a first control area 145 and a second control area 146, wherein the high-voltage area 142 is arranged at the front end of the mounting plate 14 and corresponds to the positions of the high-voltage terminal group 21, the load switch QF 122, the micro-switch group 23 and the socket CZ 24, the external port area 143 is arranged at the front end of the mounting plate 14 and corresponds to the positions of the network port group 25 and the external signal port group 26, the control power area 144 is arranged behind the external port area 143, and the first control area 145 and the second control area 146 are respectively arranged behind the high-voltage area 142 and the control power area 144.
The high-voltage terminal group 21 includes input terminals b+ and B-, output terminals p+ and P-, and the high-voltage region 142 is provided with a main positive contactor 27, a main negative contactor 28, a fuse 29, and a current sensor 30;
the input connector B+, the fuse 29, the normally open contact of the load switch QF 122, the main positive contactor 27 and the output connector P+ are sequentially connected through a copper bar 31, and the input connector B-, the load switch QF 122, the current sensor 30, the normally open contact of the main negative contactor 28 and the output connector P-are sequentially connected through the copper bar 31.
The external port area 143 is provided with a switch 32, an intermediate relay group 33, and a connection terminal group 34.
The control power supply area 144 is provided with a first switch power supply 35, a second switch power supply 36, a temperature and humidity sensor 37 and three diodes 38, the first switch power supply 35 is arranged on the mounting plate 14, a mounting cover 39 is covered above the first switch power supply 35, the second switch power supply 36 is arranged on the mounting cover 39, the first switch power supply 35 is an AC/DC switch power supply, and the input ends of the first switch power supply 35 are respectively connected with the three diodes 38.
The first control zone 145 is provided with an energy storage controller 40 and an I/O module 41.
The second control area 146 is provided with the industrial personal computer 42.
The fan 43 is arranged on the inner side of the rear side plate of the bottom shell 11, the temperature and humidity sensor 37 is electrically connected with the fan 43 to control the start and stop of the fan 43, and when the temperature or humidity detected by the temperature and humidity sensor 37 is greater than a set value, the fan 43 is controlled to start, so that more energy conservation is realized.
In some embodiments, the copper bars 31 are spatially offset such that a safe distance is maintained between the copper bars 31.
In some embodiments, the two ends of the fuse 29 are provided with the connecting posts 44, and the copper bar 31 is connected with the fuse 29 through the connecting posts 44, so that the connection is firmer and more reliable.
In some embodiments, the front panel 12 is further provided with an indicator lamp, including an operation indicator lamp 45 and a fault indicator lamp 46, and the operation indicator lamp 45 and the fault indicator lamp 46 are respectively disposed on two sides above the load switch QF1 22.
In some embodiments, AN emergency start button AN 47 is also provided on the front panel 12, the emergency start button AN 47 being provided close to the network interface group 25.
In some embodiments, the fans 43 are two, and the rear side plate of the bottom chassis 11 is provided with an exhaust port corresponding to the fans 43.
In some embodiments, the left and right side plates of the bottom case 11 are provided with air inlets.
In some embodiments, the rear edge of the mounting plate 14 is provided with a ground row 48 to facilitate concentrated grounding.
In some embodiments, the two ends of the front panel 12 respectively extend outwards to form a connecting portion 121 extending out of the left side plate and the right side plate of the bottom shell 11, the connecting portion 121 is provided with a connecting groove 122, and when the energy storage cabinet is installed, the connecting portion 121 is connected with the cabinet body of the energy storage cabinet through the connecting groove 122, and the cabinet body 1 does not need to be grounded, so that the installation efficiency is improved.
In some embodiments, handles 123 are provided on the front panel 12 near each end, to facilitate installation of the front panel 12.
In summary, the high-voltage control device for the energy storage cabinet comprises a high-voltage control box, wherein the high-voltage control box comprises a box body 1 and components mounted on the box body 1, the box body 1 comprises a bottom shell 11, a front panel 12, a top cover 13 and a mounting plate 14 fixed in the bottom shell 11 and used for bearing the components, a high-voltage terminal group 21, a load switch QF1 22, a micro-switch group 23, a socket CZ 24, a network port group 25 and an external signal port group 26 are sequentially arranged on the front panel 12 from left to right, the high-voltage terminal group 21, the micro-switch group 23, the socket CZ 24, the network port group 25 and the external signal port group 26, the high-voltage terminal group 21, the switches needing manual operation and the external connection ports are sequentially arranged on the same panel in an orderly and concentrated mode, the mounting and subsequent use operation are facilitated, the mounting plate 14 is divided into a plurality of areas by a wire chase, the areas comprise a high-voltage area 142, an external port area 143, a control power area 144, a first control area 145 and a second control area 146, the high-voltage area 142 is arranged at the front end of the mounting plate 14, the high-voltage area is corresponding to the high-voltage terminal group 21, the load switch QF1 22, the micro-switch group 23 and the micro-switch CZ 24 are arranged at the position corresponding to the high-voltage terminal group 23 and the socket CZ 24, the external signal port group 26 are arranged at the front end of the mounting plate 14, the high-voltage area is arranged at the front end of the high-voltage area 142, and the high-voltage area is corresponding to the high-voltage area, and the high-voltage area is respectively, and the high-voltage area is arranged at the high-voltage area, and the high-voltage area is respectively, and the low-voltage area, and the high voltage area, and the low-voltage control area, and the low voltage control device.
Further, the temperature and humidity sensor 37 is arranged to control the start and stop of the fan 43, and the fan 43 is started when needed, so that more energy is saved.
Further, the two ends of the front panel 12 of the present invention respectively extend outwards to form the connecting parts 121 extending out of the left side plate and the right side plate of the bottom shell 11, the connecting parts 121 are provided with the connecting grooves 122, and when the front panel is installed in the energy storage cabinet, the connecting parts 121 are connected with the cabinet body of the energy storage cabinet through the connecting grooves 122, the cabinet body 1 does not need to be grounded, and the installation efficiency is improved.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.