CN218616289U

CN218616289U - Power exchange cabinet

Info

Publication number: CN218616289U
Application number: CN202222480117.7U
Authority: CN
Inventors: 饶乃家; 高朝锋; 耿丙龙
Original assignee: Shenzhen Topband Co Ltd
Current assignee: Shenzhen Topband Co Ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-14
Anticipated expiration: 2032-09-19

Abstract

The application provides a trade electric cabinet, it includes: the intelligent cabinet comprises a cabinet body, a cabinet body and a cabinet body, wherein a plurality of battery charging bins are arranged inside the cabinet body, and one side wall of each battery charging bin is provided with a drainage pressure relief hole; the water fire-fighting system is provided with a water spray head, and the water spray head is communicated with the top of the battery charging bin; this cabinet internal portion of switch cabinet is provided with water fire extinguishing system, can continuously spray water, the cooling for the lithium cell in the battery charging storehouse to prevent the lithium cell burning or prevent that the lithium cell from appearing the postcombustion, can also carry out the pressure release to the battery charging storehouse when battery temperature rises suddenly, battery explosion.

Description

Electricity-changing cabinet

Technical Field

The application relates to a battery replacement technical field, in particular to a replacement cabinet with a water fire-fighting system.

Background

The existing power change cabinet charges the batteries placed in the battery charging bin, the internal space of the power change cabinet is limited, and in order to charge more batteries simultaneously, the battery charging bin is often designed into a square structure with narrow space and compact structure, and only one battery is used for charging; the battery can generate a large amount of heat during charging, and if the heat cannot be dissipated in time, the heat can be accumulated in the battery charging bin, so that the temperature of the battery in the charging bin is easily increased, and the battery is burnt or even exploded; in order to prevent the accidents, a fire extinguisher is arranged in the existing power exchange cabinet and used for extinguishing open fire generated by battery combustion.

However, the battery charged in the power exchange cabinet is generally a lithium battery, the ignition combustion of the lithium battery is energy type discharge ignition combustion, and the lithium battery has time delay performance, after the aerosol fire extinguishing material stored in the fire extinguisher is sprayed, the energy in the lithium battery is not completely released, but along with the volatilization of the aerosol fire extinguishing material and the gradual recovery of oxygen, secondary combustion and even explosion of the lithium battery can occur, and finally serious fire is caused.

Disclosure of Invention

An object of the application is to provide a cabinet trades electricity, and this cabinet internal portion that trades electricity is provided with water fire extinguishing system, can continuously spray water, cool down for the lithium cell in the battery charging storehouse to prevent that the lithium cell burning or prevent that the lithium cell from appearing the postcombustion.

Therefore, the embodiment of the application provides a trade electric cabinet, and it includes: the cabinet body is internally provided with a plurality of battery charging bins, and one side wall of each battery charging bin is provided with a water drainage pressure relief hole; and the water fire-fighting system is provided with a water spray head, and the water spray head is communicated with the top of the battery charging bin.

In some possible implementations, the battery charging bin has a battery access opening and a first sidewall opposite the battery access opening; the first side wall is provided with the drainage pressure relief hole; the battery charging bin is inclined downwards along the direction from the battery taking and placing opening to the first side wall.

In some possible implementations, the battery charging bins are distributed in an array inside the cabinet body; the cabinet body comprises a plurality of supporting beams and two first supporting columns; the two first support columns are arranged in parallel, and vertical flow guide channels are arranged inside the first support columns; the support beams are arranged side by side, two ends of each support beam are respectively connected to the two first support columns, and each row of battery charging bins are correspondingly arranged between the two adjacent support beams; the supporting beam is provided with a transverse diversion trench, the transverse diversion trench is arranged under the drainage pressure relief hole, and one end of the transverse diversion trench is communicated with the vertical diversion channel.

In some possible implementations, the water fire fighting system includes a water pump, a main pipe, a number of first branch pipes, and a number of second branch pipes; the water pump is arranged at the bottom of the cabinet body, and the water outlet end of the water pump is communicated with the water inlet end of the main pipe; the main pipe is parallel to the first supporting column; the first branch pipes are arranged in parallel and are parallel to the supporting beam, and the water outlet end of the main pipe is communicated with the water inlet ends of the first branch pipes; the water outlet end of the first branch pipe is communicated with the water inlet end of the second branch pipe, and the water outlet end of the second branch pipe is communicated with the water spray head.

In some possible implementations, the main tube and/or the first branch tube include a PPR thermofuse tube, a metal tube, and a PVC tube; the water outlet end of the main pipe is connected with the water inlet end of the first branch pipe through a PPR joint, a metal joint or a PVC joint; the second branch pipe comprises a metal braided hose.

In some possible implementations, a solenoid valve is provided on the second branch pipe.

In some possible implementations, the water fire protection system further includes a water supply tank; the water outlet end of the water supply tank is communicated with the water inlet end of the water pump, the water inlet end of the water supply tank is communicated with the water outlet end of the vertical diversion channel, and a filtering structure for filtering water is arranged between the water supply tank and the vertical diversion channel.

In some possible implementations, the water spray head includes a shower head that extends into the battery charging bin; or, a plurality of even meshes that spray in interval have been seted up to the top in battery charging storehouse, the water shower nozzle connect in the top in battery charging storehouse and cover the mesh that sprays.

In some possible implementation manners, a fan assembly is arranged on one side wall of the battery charging bin, and the fan assembly comprises a fan and an electric heating wire arranged on the air outlet side of the fan.

In some possible implementation manners, the power exchange cabinet further comprises a detection component and a power supply component; the detection assembly comprises a plurality of temperature sensors configured to acquire the temperature within the battery charging bin; the power supply assembly comprises a power supply, and the power supply is electrically connected with the water fire-fighting system, the fan, the electric heating wire and the temperature sensor.

The application provides a trade electric cabinet compares with prior art, and its beneficial effect lies in:

the battery charging bin is arranged in the battery changing cabinet body, batteries can be placed in the battery charging bin for charging, the top of the battery charging bin is provided with the water spray head, when the temperature in the battery charging bin rises, if the temperature of the batteries rises due to short circuit of the batteries, the battery changing cabinet is disconnected from a mains supply at the moment, the batteries are not in a charging state, the water spray head can spray water in the battery charging bin in the past so as to cool the batteries, and the water spray head can continuously spray water so as to prevent secondary combustion of the lithium batteries; the water discharge pressure relief hole can discharge the water in the battery charging bin to the maximum extent, and can relieve the pressure when the temperature of the battery rises suddenly and the battery explodes, so that the impact gas generated during the explosion of the battery is prevented from damaging a circuit structure in the battery charging bin; consequently, this cabinet internal portion of changing electricity cabinet is provided with water fire extinguishing system, can last water spray, the cooling for the lithium cell in the battery charging storehouse to prevent the lithium cell burning or prevent that the lithium cell from appearing secondary combustion, can also carry out the pressure release to the battery charging storehouse when battery temperature rises suddenly, battery explosion.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts. In addition, in the drawings, like parts are denoted by like reference numerals, and the drawings are not drawn to actual scale.

Fig. 1 is a schematic view from a front perspective of a switchgear cabinet according to an embodiment of the present application;

fig. 2 is a schematic layout of a battery charging bin inside the cabinet body of the battery changing cabinet shown in fig. 1;

FIG. 3 is a schematic view of a rear view of a power distribution cabinet according to an embodiment of the present application;

FIG. 4 is a schematic layout of the water fire protection system in the body of the battery changing cabinet shown in FIG. 3;

FIG. 5 is a first schematic view of the waterway distribution of the fire fighting system shown in FIG. 4;

FIG. 6 is a schematic illustration of the waterway distribution of the water fire-fighting system shown in FIG. 4;

FIG. 7 is a schematic illustration of the waterway distribution III of the water fire-fighting system shown in FIG. 4;

FIG. 8 is a schematic view of a perspective of the battery charging bay of the power changing cabinet shown in FIG. 2;

FIG. 9 is a schematic view of another perspective of the battery charging bin of the power changing cabinet shown in FIG. 2;

FIG. 10 is a schematic view of the water flow configuration between the water fire protection system and the battery charging bay shown in FIG. 4;

FIG. 11 is a schematic view from another perspective of the water flow structure between the water fire protection system and the battery charging bay shown in FIG. 4;

FIG. 12 is a schematic view of a first support column of the switchgear shown in FIG. 1;

FIG. 13 is a schematic view of a support beam of the switchgear shown in FIG. 1;

FIG. 14 is a schematic view of the battery compartment door of the swap bay shown in FIG. 1;

FIG. 15 is an exploded view of the battery compartment door of FIG. 14;

description of reference numerals:

1. a cabinet body; 11. a support beam; 111. a transverse diversion trench; 12. a first support column; 121. a vertical flow guide channel; 122. a vertical diversion trench; 13. a second support column; 14. a reinforcing beam; 15. an outer plate; 2. a battery charging bin; 21. a battery taking and placing port; 22. a first side wall; 23. a bottom wall; 24. an impact-resistant baffle; 25. a cushion strip; 26. a battery compartment door; 261. a heat-dissipating waterproof outer plate; 262. dustproof cotton; 263. a mesh plate; 264. a torsion spring; 265. a rotating shaft; 3. a water discharge pressure relief hole; 4. a water fire protection system; 41. a water spray head; 42. a water pump; 43. a main pipe; 44. a first branch pipe; 45. a second branch pipe; 46. an electromagnetic valve; 47. a water supply tank; 48. a one-way flow valve; 5. a fan assembly; 6. a power supply assembly; 7. a universal wheel; 8. a monitoring component; 9. a telescopic upright post.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

As shown in fig. 1 to fig. 15, an embodiment of the present application provides a battery replacing cabinet, which includes: the cabinet body 1 is internally provided with a plurality of battery charging bins 2, and one side wall of each battery charging bin 2 is provided with a water drainage pressure relief hole 3; and the water fire-fighting system 4 is provided with a water spray head 41, and the water spray head 41 is communicated with the top of the battery charging bin 2.

Based on the technical scheme, the plurality of battery charging bins 2 are arranged inside the battery changing cabinet body 1, batteries can be placed in the battery charging bins 2 for charging, the water spray heads 41 are arranged at the tops of the battery charging bins 2, when the temperature in the battery charging bins 2 rises, the temperature of the batteries rises due to battery short circuit, at the moment, the connection between the battery changing cabinet and a mains supply is broken, the batteries are not in a charging state, the water spray heads 41 can spray water in the battery charging bins 2 to cool the batteries, and the water spray heads 41 can continuously spray water to prevent secondary combustion of the batteries; the water discharge pressure relief hole 3 can discharge the water in the battery charging bin 2 to the maximum extent, and can relieve the pressure when the temperature of the battery rises suddenly and the battery explodes, so that impact gas generated during the battery explosion is prevented from damaging a circuit structure in the battery charging bin 2; consequently, this cabinet body 1 inside of cabinet body of cabinet that trades electricity the cabinet is provided with water fire extinguishing system 4, can continuously spray water, the cooling for the lithium cell in the battery charging storehouse 2 to prevent the lithium cell burning or prevent that the lithium cell secondary combustion from appearing, can also carry out the pressure release to battery charging storehouse 2 when battery temperature rises suddenly, battery explosion.

This water fire extinguishing system 4 of trading electricity cabinet works when trading the circuit connection of electricity cabinet disconnection and commercial power, and under general conditions, when burning appears or is about to appear burning in the battery storehouse of charging 2, power gate automatic tripping operation trades the circuit between electricity cabinet and the commercial power and is the disconnection, at this moment, can directly spray water in the battery storehouse of charging 2 to put out the naked light that the battery burns or cool down for the battery.

In the present application, the battery charging compartment 2 has a battery access opening 21 and a first side wall 22 opposite to the battery access opening 21; the first side wall 22 is provided with a water drainage pressure relief hole 3; the battery charging bin 2 inclines downwards along the direction from the battery taking and placing port 21 to the first side wall 22, and the inclination angle is 5-10 degrees, so that water in the battery charging bin 2 can flow out through the water drainage and pressure relief hole 3.

In other embodiments, in order to fully discharge water in the battery charging bin 2, the bottom wall 23 of the battery charging bin 2 of the present application, which is close to the first side wall 22, is also provided with a water discharge pressure relief hole 3; an anti-impact baffle 24 is arranged on the outer side of the battery charging bin 2, two ends of the anti-impact baffle 24 are respectively connected to the first side wall 22 of the battery charging bin 2 and the bottom wall 23 of the battery charging bin 2, and the anti-impact baffle 24 can prevent the battery from exploding and impacting the first side wall 22 of the battery charging bin 2, so that the first side wall 22 falls down; an abdication space for the outflow of water is defined between the side edge of the impact damper 24 and the first side wall 22 and between the side edge and the bottom wall 23 of the battery charging chamber 2. In other embodiments, the impact prevention baffle 24 may be connected at both ends to the first sidewall 22 of the battery charging compartment 2 and the support beam 11, respectively. A cushion strip 25 is further provided on the bottom wall 23 of the battery charging bin 2 for preventing the battery from colliding with the bottom wall 23 of the battery charging bin 2 when the battery is stored in the battery charging bin 2 or the battery is taken out of the battery charging bin 2.

Generally, the circuit structure of the power conversion cabinet is mainly arranged at the position of the battery taking and placing opening 21 of the battery charging bin 2, and a circuit is not arranged at the position close to the first side wall 22 of the battery charging bin 2, so that water is prevented from entering the circuit structure of the power conversion cabinet to cause a short circuit of the circuit structure of the power conversion cabinet.

In the present application, the battery charging bin 2 is inclined downward in the direction from the battery taking and placing opening 21 to the first side wall 22, the inclination angle is 5 ° to 10 °, in this angle range, on one hand, the battery taking and placing by the user is not hindered, on the other hand, the battery stored in the battery charging bin 2 cannot be separated from the battery charging bin 2 due to external vibration, if the external ground drives a heavy truck, the ground will not shake slightly, and the battery will not shake from the battery charging bin 2; the battery of depositing in the battery charging storehouse 2 of this application generally is electric bicycle's battery, and this battery has a basis weight, if inclination is great, if inclination is 20, after the battery charging finishes, the user need pull up the battery, draw out from battery charging storehouse 2, need consume some strength, like this, can reduce user's good feel.

In order to effectively utilize the space of the internal portion of the cabinet, can arrange more battery charging storehouse 2, and optimize the electric wire wiring mode of the internal portion of the cabinet 1, the battery charging storehouse 2 of this application is array distribution inside the cabinet 1.

The cabinet body 1 comprises a plurality of supporting beams 11, two first supporting columns 12 and two second supporting columns 13; the two first support columns 12 are arranged in parallel, and vertical flow guide channels 121 are arranged inside the first support columns 12; the plurality of supporting beams 11 are arranged side by side, two ends of each supporting beam 11 are respectively connected to two first supporting columns 12, and each row of battery charging bins 2 is correspondingly arranged between two adjacent supporting beams 11; the support beam 11 is provided with a transverse diversion trench 111, the transverse diversion trench 111 is arranged right below the drainage pressure relief hole 3, and one end of the transverse diversion trench 111 is communicated with the vertical diversion channel 121.

The second supporting column 13 is parallel to the first supporting column 12, a reinforcing beam 14 is connected between the first supporting column 12 and the second supporting column 13 in a reinforcing manner, and an outer plate 15 is fixedly connected to the outer sides of the first supporting column 12 and the second supporting column 13 and used for preventing rainwater and dust from entering the cabinet body 1; a stable frame structure is formed among the first support column 12, the second support column 13 and the support beam 11, so that the battery charging bin 2 can be well supported; further, the battery charging bin 2 of this application is panel beating stamping structure spare, and it has certain intensity, and battery charging bin 2 can not be deposited in its inside battery pressure deformation. Reinforcing rods are also welded to the first support columns 12 and the support beams 11 for increasing the frame stability of the cabinet 1.

This application can also lay the bottom plate at a supporting beam 11's bottom for strengthen the structural stability of cabinet body 1 frame, perhaps say that, correspond two first support columns 12 and two second support columns 13 of connecting the both ends of bottom plate, seted up horizontal guiding gutter 111 on the bottom plate.

The welding connection is respectively arranged between the first supporting column 12 and the reinforcing beam 14, between the second supporting column 13 and the reinforcing beam 14 and between the first supporting column 12 and the supporting beam 11, and the welding connection is arranged between the first supporting column 12 and the outer plate 15 and between the second supporting column 13 and the outer plate 15.

In the present application, water in the battery charging bin 2 may flow into the horizontal diversion groove 111 through the drainage pressure relief hole 3, and flow into the vertical diversion channel 121 from the horizontal diversion groove 111, and the water outlet end of the vertical diversion channel 121 may be connected to the water tank to recycle the water. This application can be in first support column 12 inside seted up vertical water conservancy diversion passageway 121, also can have seted up vertical guiding gutter 122 earlier on first support column 12, when welding first support column 12 and planking 15, enclose jointly between vertical guiding gutter 122 on first support column 12 and planking 15, form vertical water conservancy diversion passageway 121.

The instant amount of water sprayed from the water spray nozzles 41 can be controlled to prevent water from splashing when the lateral guide grooves 111 flow back or when the vertical guide channels 121 flow back.

In other embodiments, the present application may be provided with a water return pipe on the support beam 11 and the first support column 12 for assisting the water in the battery charging bin 2 to return; the specific configuration may refer to the existing structure, and will not be described herein.

In the present application, the water fire fighting system 4 comprises a water pump 42, a main pipe 43, a number of first branch pipes 44 and a number of second branch pipes 45; the water pump 42 is arranged at the bottom of the cabinet body 1, and the water outlet end of the water pump 42 is communicated with the water inlet end of the main pipe 43; the main tube 43 is parallel to the first support column 12; the plurality of first branch pipes 44 are arranged in parallel, the first branch pipes 44 are parallel to the support beam 11, and the water outlet end of the main pipe 43 is communicated with the water inlet end of the first branch pipes 44; the water outlet end of the first branch pipe 44 is communicated with the water inlet end of the second branch pipe 45, and the water outlet end of the second branch pipe 45 is communicated with the water nozzle 41.

The water fire-fighting system 4 of this application sprays the process and does:

the water pump 42 sends water into the main pipe 43, and flows through the first branch pipe 44 and the second branch pipe 45 in sequence, then flows into the water spray head 41, and is sprayed into the battery charging bin 2 through the water spray head 41, so as to be used for cooling and extinguishing fire of the battery; then, water can flow out through the water drainage pressure relief hole 3 of the battery charging bin 2 and sequentially flow through the transverse diversion groove 111 and the vertical diversion channel 121.

Specifically, the main pipe 43 and/or the first branch pipe 44 include a PPR hot melt pipe, a metal pipe, and a PVC pipe; the water outlet end of the main pipe 43 and the water inlet end of the first branch pipe 44 are connected through a PPR joint, a metal joint or a PVC joint; the second branch pipe 45 comprises a metal braided hose.

PPR, the name of which is random copolymerized polypropylene, is obtained by heating, pressurizing and copolymerizing propylene monomer and a small amount of ethylene monomer under the action of a catalyst, and because the ethylene monomer is randomly and uniformly distributed in the long chain of propylene, the crystallinity and the melting point of the polymer are reduced, and the polypropylene has good impact resistance and pressure resistance.

The metal braided hose is impact-resistant and high-temperature-resistant, and can be bent as required, so that the adjustment can be performed correspondingly according to the positions of the water outlet of the first branch pipe 44 and the water nozzle 41.

Adopt PPR hot melt pipe as being responsible for 43, first branch pipe 44, and be responsible for and connect through PPR joint between the play water end of 43 and the end of intaking of first branch pipe 44, adopt the metal to weave the hose as second branch pipe 45, can guarantee the stability of the waterway structure of the water fire extinguishing system 4 of this application, and can optimize waterway structure's route.

In the present application, the second branch pipe 45 is mainly a heat-resistant hose, and can be bent according to the position of the water outlet of the first branch pipe 44 and the water nozzle 41.

Generally, the person in charge 43, first branch pipe 44 and the second branch pipe 45 of this application all set up in the battery storehouse of charging 2 and deviate from the battery and get one side of putting mouth 21, avoid the water route to be close to the circuit structure in the cabinet body 1.

In this application, the water outlet end of the water pump 42 can be connected to the water inlet end of the first branch pipe 44 close to the water outlet end of the first branch pipe 44, and the water outlet end of the first branch pipe 44 is connected to the water inlet end of the main pipe 43.

A one-way flow valve 48 is arranged between the water pump 42 and the main pipe 43, the one-way flow valve 48 can control the flow of water entering the main pipe 43, and the one-way flow valve 48 can also prevent water from flowing back; the second branch pipe 45 is provided with an electromagnetic valve 46 for controlling the on-off of the water flow on the second branch pipe 45.

The water fire fighting system 4 further comprises a water supply tank 47; the water outlet end of the water supply tank 47 is communicated with the water inlet end of the water pump 42, the water inlet end of the water supply tank is communicated with the water outlet end of the vertical diversion channel 121, and a filtering structure for filtering water is arranged between the water supply tank 47 and the vertical diversion channel 121.

The water supply tank 47 can supply water to the water pump 42, and the water pump 42 feeds the water into the main pipe 43; and the water returning from the vertical guide passage 121 may be filtered by the filtering structure and returned to the water service box 47 for the next fire extinguishing. The water supply tank 47 is provided with a water level observation plate which is a transparent plate, and the amount of water inside the water supply tank 47 can be observed through the water level observation plate.

As shown in fig. 6 and 7, the main pipe 43 of the present application may be disposed on the side wall of the cabinet 1 or at a position avoiding the drain and pressure relief hole 3 of the battery charging bin 2, and the first branch pipe 44 may be disposed on the support beam 11 to avoid the impact caused by the combustion and explosion of the battery.

As shown in fig. 14 and 15, the battery compartment door 26 of the present application is rotatably disposed on one side of the battery charging compartment 2 through a rotating shaft 265, and the rotating shaft 265 is sleeved with a torsion spring 264 for maintaining a maximum opening angle when the battery compartment door 26 is opened, so as to prevent the battery compartment door 26 from being automatically closed and affecting a worker to take and place the battery.

The battery compartment door 26 comprises a heat-dissipation waterproof outer plate 261, dustproof cotton 262 and a mesh plate 263, wherein a plurality of heat dissipation holes are formed in the heat-dissipation waterproof outer plate 261 and used for heat exchange between the interior of the battery charging compartment 2 and the outside; in order to prevent dust and rainwater from entering the interior of the battery charging bin 2, a baffle is arranged at the position of the heat dissipation hole of the heat dissipation waterproof outer plate 261; the dustproof cotton 262 is also used for preventing dust and rainwater from entering the interior of the battery charging bin 2, the dustproof cotton 262 can absorb water, and the water can flow to the bottom of the dustproof cotton 262 and flow out to the outside through a heat dissipation hole in the bottom of the heat dissipation waterproof outer plate 261; in addition, the louvre on the waterproof planking 261 of heat dissipation staggers each other with the mesh on the mesh board 263, to a certain extent, can prevent that water from getting into inside battery charging storehouse 2.

Specifically, the water spray 41 of the present application comprises a shower head, which extends into the battery charging bin 2; or, a plurality of spraying meshes with uniform intervals are arranged at the top of the battery charging bin 2, and the water spray head 41 is connected to the top of the battery charging bin 2 and covers the spraying meshes.

The water from the water spray 41 can be sprayed uniformly to the battery to cover the surface of the battery, so as to accelerate the cooling rate of the battery.

Specifically, this application can also set up the fire extinguisher at the top in battery charging storehouse 2 for supplementary water fire extinguishing systems 4 puts out a fire.

Be provided with fan subassembly 5 on the lateral wall of battery charging storehouse 2, fan subassembly 5 includes the fan and sets up in the electric heating wire of the air-out side of fan. The top of the cabinet body 1 is also provided with a fan assembly 5 for guiding out heat inside the cabinet body 1.

When the temperature of the battery rises but does not reach the combustion degree, the fan can blow air towards the battery to cool the battery; under cold weather condition, the battery can not normally charge and discharge basically, and herein, the electric heating wire of this application can heat the wind that blows off from the fan to improve the temperature in the battery storehouse of charging 2, so that the battery can normally charge in battery storehouse of charging 2.

The power exchange cabinet also comprises a detection component and a power supply component 6; the detection assembly comprises a plurality of temperature sensors, and the temperature sensors are configured to acquire the temperature in the battery charging bin 2; the power supply assembly 6 comprises a power supply which is electrically connected with the water fire-fighting system 4, the fan, the electric heating wire and the temperature sensor.

The power supply serves as a standby power supply, and after the power exchange cabinet is disconnected with the mains supply through a circuit, the power supply can supply power to the water fire-fighting system 4, the fan, the electric heating wire and the temperature sensor, so that the water fire-fighting system 4, the fan, the electric heating wire and the temperature sensor can work normally.

This application still includes the controller, and the controller can be according to the temperature in the battery charging storehouse 2 that temperature sensor obtained, controls fan start or 4 work of water fire extinguishing system correspondingly, and can be according to the temperature anomaly in a certain battery charging storehouse 2, controls the fan operation or the water shower 41 of this battery charging storehouse 2 play correspondingly, like this, can realize accurate cooling.

In addition, this controller can also be according to the temperature in the battery storehouse of charging 2, judge whether will cut off the circuit connection between cabinet and the commercial power of changing electricity, when general battery charges in storehouse of charging 2, can release the heat, the temperature in the storehouse of charging 2 of battery can rise, but still does not reach the temperature of battery burning, under this kind of condition, the controller need not to cut off the circuit connection between cabinet and the commercial power of changing electricity, and if the temperature in the storehouse of charging 2 of battery rises, when reaching the temperature of battery burning, if do not cut off the power supply between cabinet and the commercial power of changing electricity this moment, the controller can directly cut off the circuit connection between cabinet and the commercial power of changing electricity to control water fire extinguishing system 4 operation.

Generally, the controller is internally provided with the temperature of the battery cell during charging of the battery, that is, the controller can monitor the temperature change of the battery cell and judge the state of the battery.

In this application, the following are the situations when the water fire fighting of the single battery charging bin 2 is started:

1. the cell temperature of the battery exceeds the set temperature in the controller;

2. the ambient temperature of the battery charging bin 2 exceeds the set temperature threshold of the temperature sensor or the temperature of the battery exceeds the set temperature threshold of the temperature sensor;

3. the temperature value of the battery cell temperature which is heated within 1 minute exceeds the temperature value set by the controller, and the battery cell temperature exceeds the temperature set by the controller;

4. the ambient temperature of the battery charging bin 2 rises to exceed the temperature value set by the temperature sensor within 1 minute, and the instant ambient temperature of the battery charging bin 2 exceeds the temperature set by the temperature sensor;

5. the ambient temperature of the battery charging bin 2 and the ambient temperature of the battery are higher than the average temperature of the whole cabinet (the ambient temperature of the multiple bins and the temperature of the cabinet body 1);

6. the cabinet body 1 generates smoke alarm;

for the sixth item, a smoke alarm is generally arranged inside the cabinet body 1, and is used for detecting whether smoke is generated inside the cabinet body 1; however, in general situations, the battery is cooled before combustion, that is, before combustion, the water fire-fighting system 4 is started, and at this time, no smoke is generated in the cabinet 1; however, the smoke alarm is arranged to prevent the temperature sensor from not working and the temperature in the battery charging bin 2 cannot be normally acquired.

According to the battery replacing cabinet, the universal wheels 7 are arranged at the bottom of the cabinet body 1, so that the battery replacing cabinet is convenient to move; and be provided with flexible stand 9 in the position of universal wheel 7 for the supporting cabinet body 1, this trades the electric cabinet and places conveniently.

The top of the cabinet body 1 of the power exchange cabinet is provided with a monitoring component 8 for monitoring the environment around the power exchange cabinet.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that "over 8230" \8230on "," over 82308230; "over 8230;" and "over 8230; \8230; over" in the present disclosure should be interpreted in the broadest manner such that "over 8230;" over 8230 ";" not only means "directly over something", but also includes the meaning of "over something" with intervening features or layers therebetween, and "over 8230;" over 8230 ";" or "over 8230, and" over "not only includes the meaning of" over "or" over "but also may include the meaning of" over "or" over "with no intervening features or layers therebetween (i.e., directly over something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A battery changing cabinet is characterized by comprising:

the cabinet body is internally provided with a plurality of battery charging bins, and one side wall of each battery charging bin is provided with a water drainage pressure relief hole;

and the water fire-fighting system is provided with a water spray head, and the water spray head is communicated with the top of the battery charging bin.

2. The battery changing cabinet according to claim 1, wherein the battery charging bin has a battery access opening and a first side wall opposite to the battery access opening;

the first side wall is provided with the drainage pressure relief hole;

the battery charging bin is inclined downwards along the direction from the battery taking and placing opening to the first side wall.

3. The battery replacement cabinet according to claim 2, wherein the battery charging bins are distributed in the cabinet body in an array;

the cabinet body comprises a plurality of supporting beams and two first supporting columns;

the two first supporting columns are arranged in parallel, and vertical flow guide channels are arranged inside the first supporting columns;

the support beams are arranged side by side, two ends of each support beam are respectively connected to the two first support columns, and each row of the battery charging bins are correspondingly arranged between the two adjacent support beams;

the supporting beam is provided with a transverse diversion trench, the transverse diversion trench is arranged right below the drainage pressure relief hole, and one end of the transverse diversion trench is communicated with the vertical diversion channel.

4. The power changing cabinet according to claim 3, wherein the water fire fighting system comprises a water pump, a main pipe, a plurality of first branch pipes and a plurality of second branch pipes;

the water pump is arranged at the bottom of the cabinet body, and the water outlet end of the water pump is communicated with the water inlet end of the main pipe;

the main pipe is parallel to the first supporting column;

the first branch pipes are arranged in parallel and are parallel to the supporting beam, and the water outlet end of the main pipe is communicated with the water inlet end of the first branch pipes;

the water outlet end of the first branch pipe is communicated with the water inlet end of the second branch pipe, and the water outlet end of the second branch pipe is communicated with the water spray head.

5. The transformation cabinet according to claim 4, wherein the main pipe and/or the first branch pipe comprises a PPR thermal fusion pipe, a metal pipe and a PVC pipe;

the water outlet end of the main pipe is connected with the water inlet end of the first branch pipe through a PPR joint, a metal joint or a PVC joint;

the second branch pipe comprises a metal braided hose.

6. The cabinet according to claim 4, wherein the second branch pipe is provided with a solenoid valve.

7. The cabinet according to claim 4, wherein the water fire fighting system further comprises a water supply tank;

the water outlet end of the water supply tank is communicated with the water inlet end of the water pump, the water inlet end of the water supply tank is communicated with the water outlet end of the vertical diversion channel, and a filtering structure for filtering water is arranged between the water supply tank and the vertical diversion channel.

8. The battery swap cabinet of claim 1, wherein the water spray comprises a shower that extends into the battery charging bay;

or, a plurality of even meshes that spray in interval have been seted up to the top in battery charging storehouse, the water shower nozzle connect in the top in battery charging storehouse and cover the mesh that sprays.

9. The battery changing cabinet according to claim 1, wherein a fan assembly is arranged on one side wall of the battery charging bin, and the fan assembly comprises a fan and an electric heating wire arranged on an air outlet side of the fan.

10. The battery changing cabinet according to claim 9, further comprising a detection component and a power supply component;

the detection assembly comprises a plurality of temperature sensors configured to acquire the temperature within the battery charging bin;

the power supply assembly comprises a power supply, and the power supply is electrically connected with the water fire-fighting system, the fan, the electric heating wire and the temperature sensor.