CN210041423U

CN210041423U - Convenient energy storage power generation system

Info

Publication number: CN210041423U
Application number: CN201920951693.0U
Authority: CN
Inventors: 娄静; 胡志攀; 戴贤青
Original assignee: Guangdong Billion Dingxin Energy Automobile Co Ltd
Current assignee: Huizhou Yiwei New Energy Co ltd
Priority date: 2019-06-22
Filing date: 2019-06-22
Publication date: 2020-02-07
Anticipated expiration: 2029-06-22

Abstract

The utility model discloses a convenient energy storage power generation system, which comprises an inverter device and at least one battery power supply device, wherein the inverter device is electrically connected with the battery power supply device; the battery power supply device comprises a battery pack and a BMS mainboard, the BMS mainboard is electrically connected with the battery pack, and the BMS mainboard is electrically connected with the inverter device; the inverter device comprises an isolation power supply, a DCAC converter, a static switch and a bypass change-over switch, wherein the anode of the isolation power supply is electrically connected with a battery pack, the cathode of the isolation power supply is electrically connected with a BMS mainboard, the output end of the isolation power supply is electrically connected with the DCAC converter, the static switch is electrically connected with the output end of the DCAC converter and the first input end of the bypass change-over switch respectively, the second input end of the bypass change-over switch is used for being electrically connected with an alternating current commercial power, and the output end of the bypass change-over switch is used. The utility model provides a convenient energy storage power generation system who conveniently removes, generating efficiency is high and with low costs.

Description

Convenient energy storage power generation system

Technical Field

The utility model relates to a power generation system field especially relates to a convenient energy storage power generation system.

Background

The national communication base station has 170 ten thousand seats, only has 15 ten thousand seats in Guangdong province, and emergency power generation exceeds 600 times every day, all adopts the diesel/gasoline engine to generate electricity, and this kind of traditional mode has a lot of shortcomings: heavy and inconvenient to move, high noise and disturbance to residents, environmental pollution, low power generation efficiency and high cost. The electric cube system is mainly applied to the fields of mobile power generation, emergency rescue, maintenance service and the like, and has mobile energy storage and emergency power generation functions. The adaptability of the product to the market is improved through researches on a power supply system, a control system, a safety strategy, a special technology and industrialization of the electric cube system. The method has important practical significance for developing the manufacturing technology and industrialization of the electric cube system and exploring the manufacturing technology and service mode of the electric cube system.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a convenient energy storage power generation system who conveniently removes, generating efficiency is high and with low costs.

The purpose of the utility model is realized through the following technical scheme:

a portable energy storage power generation system, comprising: the system comprises an inverter device and at least one battery power supply device, wherein the inverter device is electrically connected with the battery power supply device;

the battery power supply device comprises a battery pack and a BMS mainboard, the BMS mainboard is electrically connected with the battery pack, and the BMS mainboard is electrically connected with the inverter device;

the inverter device comprises an isolation power supply, a DCAC converter, a static switch and a bypass change-over switch, wherein the anode of the isolation power supply is electrically connected with the battery pack, the cathode of the isolation power supply is electrically connected with the BMS mainboard, the output end of the isolation power supply is electrically connected with the DCAC converter, the static switch is respectively electrically connected with the output end of the DCAC converter and the first input end of the bypass change-over switch, the second input end of the bypass change-over switch is electrically connected with an alternating current commercial power, and the output end of the bypass change-over switch is used for outputting alternating current.

In one embodiment, the battery powered device further comprises a remote monitoring module electrically connected to the BMS motherboard.

In one embodiment, the battery power supply device further includes a dc output connector electrically connected to the input terminals of the BMS motherboard and the isolated power supply, respectively.

In one embodiment, the battery power supply device further includes a parallel output connector electrically connected to the dc output connector and the BMS board, respectively.

In one embodiment, the battery power supply device further comprises a clamping box body, and the battery pack is arranged in the clamping box body.

In one embodiment, the clamping box further comprises a box body assembly and a clamping assembly, the clamping assembly is arranged on the box body assembly, and the battery pack is arranged on the box body assembly.

In one embodiment, the box body assembly comprises a battery placing box and a baffle plate, and the baffle plate is arranged on the battery placing box.

In one embodiment, the clamping assembly comprises a mounting plate and a clamping rod, the mounting plate is arranged on the box body assembly, a groove is formed in the mounting plate, and the clamping rod is embedded in the groove in the mounting plate.

In one embodiment, the battery powered device further comprises a push-to-start switch electrically connected to the BMS motherboard.

In one embodiment, the energy storage and power generation system comprises a plurality of battery powered devices, and the battery powered devices are sequentially stacked in sequence.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to a convenient energy storage power generation system, which can be used by arranging a plurality of stacked battery power supply devices in parallel, thereby meeting the long-time power generation requirement of a communication base station, and the stacking can save space and occupy no space; by arranging the bypass change-over switch, when the mains supply is powered on, the system can automatically switch to the mains supply to supply power to the load, and meanwhile, the battery pack is stopped to generate power for the system, so that the intelligent degree is high; in addition, the remote monitoring module is arranged, so that data of the battery pack system and the inversion system can be fed back to the background upper computer in real time, the wireless connection with the mobile phone can be realized, and the working condition of the system can be monitored at any time. The utility model discloses a power generation system can also realize convenient removal, the high and effect with low costs of generating efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a functional schematic diagram of a convenient energy storage power generation system according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a plurality of stacked battery power supply devices in the power generation system of the present invention;

FIG. 3 is a schematic diagram of a clamping box of the battery-powered device shown in FIG. 1;

FIG. 4 is a schematic structural view of two clamped cassettes stacked on top of each other;

FIG. 5 is a schematic view illustrating a structure in which battery packs according to another embodiment shown in FIG. 3 are stacked one on another

Fig. 6 is a schematic structural diagram of another embodiment of the portable energy storage power generation system shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

With the wide application of lithium batteries in the communication industry, the requirements of high convenience, high performance, high safety, high cost performance and the like are also provided for the energy storage power generation system. The utility model discloses a power generation system to communication base station emergency power generation design specially adopts energy storage battery package and dc-to-ac converter components of a whole that can function independently design, and convenient transport is carried, compromises high protection level simultaneously, satisfies vehicle transportation and the requirement of outdoor use.

Referring to fig. 1, a portable energy storage power generation system includes: an inverter device 100 and at least one battery-powered device 200, the inverter device being electrically connected to the battery-powered device. The battery power supply device 200 is used for supplying power to a load; the inverter device 100 is used for converting direct current in the battery pack into alternating current to supply power to the electric vehicle.

Referring to fig. 1, in one of the battery power supply apparatuses, the battery power supply apparatus 200 includes a battery pack 210 and a BMS board 220 electrically connected to the battery pack and the inverter apparatus. The battery pack is used for providing power for a load; the BMS board 220 is used to collect information such as voltage, temperature, SOC value, charging and discharging current of the battery pack. It should be further noted that the BMS motherboard is a main control board of the battery management system, the BMS motherboard is in the prior art, the present application only protects the connection relationship and the structural relationship between the BMS motherboard and other unit modules, and specifically relates to the internal circuit and method principle of the BMS motherboard, please refer to the BMS motherboard in the prior art.

Referring to fig. 1, the inverter apparatus 100 includes an isolation power supply 110, a DCAC converter 120, a static switch 130, and a bypass transfer switch 140, wherein an anode of the isolation power supply is electrically connected to the battery pack, a cathode of the isolation power supply is electrically connected to the BMS board, an output of the isolation power supply is electrically connected to the DCAC converter, the static switch is electrically connected to an output of the DCAC converter and a first input of the bypass transfer switch, respectively, a second input of the bypass transfer switch is electrically connected to an ac power supply, and an output of the bypass transfer switch is used for outputting ac power. The isolation power supply plays an isolation role, so that the safety of a user is protected, and the condition of electric shock is avoided; the DCAC converter is used for converting a direct current power supply into an alternating current power supply; the static switch is used for controlling the output of the inverter device; the bypass change-over switch is used for changing over the output mode, when having the commercial power, then uses commercial power output power, when not having the commercial power, then is used for battery package output voltage.

Referring to fig. 2, in the present embodiment, the energy storage power generation system includes a plurality of battery power supply devices, and the battery power supply devices are sequentially stacked in sequence. Therefore, a plurality of stacked battery power supply devices can be arranged and used in parallel, the long-time power generation requirement of the communication base station is met, and the stacked battery power supply devices can save space and occupy less space; and through setting up bypass change over switch, when the commercial power was come, the system can switch over the commercial power automatically and supply power to the load, stops the battery package simultaneously and generates electricity for the system, and intelligent degree is high. The utility model discloses a power generation system can also realize convenient removal, the high and effect with low costs of generating efficiency.

Referring to fig. 1, the battery power supply apparatus further includes a remote monitoring module 230 electrically connected to the BMS board. Therefore, the remote monitoring module is arranged, so that the data of the battery pack system and the inversion system can be fed back to the background upper computer in real time, the wireless connection with the mobile phone can be realized, and the working condition of the system can be monitored at any time. The remote monitoring module can monitor various data and working conditions of the power generation system on the mobile phone, and develops a function of starting and stopping the mobile phone APP through remote control.

Referring to fig. 2, the battery power supply apparatus further includes a dc output connector 240 electrically connected to the BMS board and the input terminal of the isolated power supply, respectively. In addition, the battery power supply apparatus further includes a parallel output connector 250, which is electrically connected with the dc output connector and the BMS board, respectively. The battery power supply device further includes a one-touch start switch 260 electrically connected to the BMS board. Battery power supply unit still includes display screen 270 and a plurality of pilot lamp, the pilot lamp set up in the display screen, display screen 270 with BMS mainboard electricity is connected. The dc output connector 240 and the parallel output connector 250 are both used for connecting an inverter device or a load; however, when a plurality of battery-powered devices are connected in parallel, output is performed using the parallel output connector. The one-key starting switch 260 is used for activating a starting switch of a battery pack system, after the one-key starting switch is pressed, the battery pack is automatically started, and a port of the direct-current output plug connector outputs 48VDC power or a port of the parallel output plug connector outputs 48VDC power after the battery pack is started.

It should be further noted that the indicator lights include a fault indicator light, a function indicator light and an SOC indicator light, the fault indicator light is used for displaying a fault of the battery pack system, and the indicator light is turned on when the battery pack system has a fault. The function indicator light is used for displaying the state of the battery pack, and the indicator light is lightened when the battery pack system is in an activated state. The SOC pilot lamp is used for showing the remaining capacity of battery package, includes 4 SOC pilot lamps, and each represents 25% electric quantity. When the battery pack is activated, the indicator lamp is lightened, one indicator lamp is lightened to represent 25% of the remaining electric quantity, 2 indicator lamps are lightened to represent 50% of the remaining electric quantity, and the like.

The working process is as follows: the DC output plug-in unit of the battery power supply device is butted with the DC input plug-in unit of the inverter device. If two or more battery packs are stacked in parallel, the parallel output plug connector of the battery power supply device is in butt joint with the output port of the parallel main battery pack. Meanwhile, an alternating current output port of the inverter device is connected with a load. Then, a one-key start button is pressed to start the battery pack system. If the superposed battery packs exist, the parallel battery packs are sequentially started at the moment. After the battery pack system is started, the inverter displays the electric quantity on the screen, and after the indicator lamp normally displays the electric quantity, a starting button of the inverter device is pressed, so that the operation of supplying power to a load can be realized.

It should also be noted that the inverter meets outdoor vehicle transportation and outdoor use requirements. The inverter has a 48V DC input port connected to the stacked battery packs. In addition, there is 220VAC single-phase AC input port connected to the bypass commercial power.

The first working mode is as follows: when the bypass AC input is abnormal or disconnected, the inverter converts the 48V DC through high-frequency power to generate 220VAC AC of pure sine wave output for the subsequent load (switching power supply module) to work. At the moment, the panel commercial power LED is not bright, but no commercial power alarm is generated;

and a second working mode: when the commercial power is connected and normal, and the working mode is set to be 'on-line' through the LCD, the inverter converts the 48V direct current through high-frequency power to generate 220Vac alternating current of pure sine wave output for the work of a rear-stage load (a switching power supply module); the working mode can be set to be off-line through the LCD panel, and the commercial power directly outputs the load; when the commercial power is abnormal, the inverter is automatically switched to be loaded, and the switching time is less than 10ms (default of factory is set to be off-line).

Referring to fig. 3, the battery power supply device further includes a clamping box 300, and the battery pack is disposed in the clamping box. It should be noted that the clamping box body is used for protecting the battery pack, a plurality of clamping box bodies containing the battery pack can be stacked and placed, and the battery pack is convenient to mount and carry.

Referring to fig. 3, the clamping box 300 further includes a box assembly 310, a limiting assembly 320 and a clamping assembly 330, the clamping assembly is disposed on the box assembly, the battery pack is disposed on the box assembly, and the limiting assembly is disposed on the box assembly. The box body assembly is used for fixing the battery pack; the limiting assembly is used for limiting the box body; the clamping component is used for realizing clamping of the box body, and the situation of displacement during stacking is avoided.

Referring to fig. 3, the box assembly 310 includes a battery placing box 311 and a baffle 312, and the baffle is disposed on the battery placing box. The battery placing box is used for placing a battery pack and plays a role in fixing the limiting assembly and the clamping assembly; the baffle is used for preventing the battery pack from sliding out of the battery placing box.

Referring to fig. 3, 4 and 5, the limiting assembly 320 includes a first limiting rod 321 and a second limiting rod 322, the first limiting rod and the second limiting rod are respectively disposed on the battery placing box, and a clamping area 323 is disposed between the first limiting rod and the second limiting rod. The first limiting rod and the second limiting rod are arranged in parallel. It should be noted that the first limiting rod and the second limiting rod are both used for limiting the box body. The clamping area is used for limiting the other box body.

Referring to fig. 4, the clamping assembly 330 includes a mounting plate 331 and a clamping rod 332, the mounting plate is disposed on the box assembly, the mounting plate is provided with a groove, and the clamping rod is embedded in the groove of the mounting plate. It should be noted that the clamping assembly 300 is provided with two, two the clamping assembly set up respectively in on the battery places the case, two the clamping assembly is used for the embedding in another battery package the clamping area is interior. The mounting plate 331 is used for mounting the clamping rod 332; the clamping bar 332 is used for clamping on the clamping area.

Referring to fig. 5, when two battery packs need to be stacked together, the clamping rod is only required to be embedded into the clamping area between the first limiting rod and the second limiting rod, so that one box body above the clamping rod can be clamped on the clamping rod of the box body below the clamping rod, and the battery packs can be stacked. The battery pack is convenient to mount and dismount, mounting operation is simple, mounting time is saved, and safety of the battery pack structure is guaranteed. By arranging the mounting plate and the clamping rods, when 2 battery packs are stacked, the clamping device limits the positions front, back, left and right, so that the problem of relative movement is avoided, and the battery packs can be prevented from moving and shifting; meanwhile, the clamping structure is convenient to install and low in cost.

Referring to fig. 3, in one of the clamping assemblies, the clamping member further includes a first screw 333 and a second screw 334, and the first screw and the second screw are respectively embedded in the groove. The first screw and the second screw are respectively positioned on two sides of the clamping rod, a first limiting area is arranged between the first screw and the clamping rod, and a second limiting area is arranged between the second screw and the clamping rod. When the battery pack is stacked and placed as required, the two limiting rods of the upper box body are respectively embedded in the first limiting area and the second limiting area, so that the battery pack can be stably stacked and placed. The battery pack is prevented from moving all around, the structural stability of the battery pack is improved, and the normal performance of the battery pack is guaranteed.

Referring to fig. 4, the battery accommodating box 311 includes a first mounting frame 311a, a second mounting frame 311b, a first connecting rod 311c and a second connecting rod 311d, a first end of the first connecting rod is disposed on the first mounting frame, a second end of the first connecting rod is disposed on the first mounting frame, a first end of the second connecting rod is disposed on the first mounting frame, and a second end of the second connecting rod is disposed on the first mounting frame. The first mounting frame 311a, the second mounting frame 311b, the first connecting rod 311c and the second connecting rod 311d jointly enclose a fixed cavity 311e, and the fixed cavity is used for placing a battery pack. In this embodiment, the first mounting bracket has a "U" shaped structure. The second mounting bracket is provided with a U-shaped structure. It should be noted that the first mounting frame and the second mounting frame jointly form a side structure of the box body; the first connecting rod and the second connecting rod are used for realizing the connection of the two mounting racks.

It should be further noted that the first mounting bracket is of a U-shaped structure, and each corner of the first mounting bracket is provided with a chamfer structure 311 f. The second mounting bracket is a U-shaped structure, and each edge of the second mounting bracket is provided with a chamfer structure 311 g. So, set up each edges and corners portion of mounting bracket into the chamfer structure for can not appear the part of closed angle in the appearance of box, at the in-process of transport and removal, guaranteed the security of battery package, can not collide with the battery package, avoid the battery package the condition of damage to appear, improve the structural stability of battery package.

In this embodiment, the first mounting bracket is a steel frame. The second mounting frame is a steel frame. Therefore, each edge angle is provided with the chamfer, so that each battery pack has no sharp place, and the safety is ensured; in addition, the hollow structure is arranged, so that the weight of the whole battery pack is reduced, and the battery pack is convenient to carry; simultaneously, through the frame that sets up the steel construction, both can protect battery package structure, can realize piling up of battery package again and put.

It should be noted that one end of the first limiting rod is disposed on the first connecting rod, and the other end of the first limiting rod is disposed on the first connecting rod. One end of the second limiting rod is arranged on the first connecting rod, and the other end of the first limiting rod is arranged on the first connecting rod. Thus, the stack placement of the battery packs can be facilitated.

It should be noted that, the distance between the first limiting rod and the second limiting rod is equal to the length of the mounting plate. Therefore, the situation that the battery packs shift front, back, left and right after being stacked can be guaranteed.

Referring to fig. 6, the inverter apparatus further includes an inverter case 150 and an auxiliary component 160 disposed on the inverter case. The auxiliary assembly comprises a handle, an LED lamp, an LCD screen, an adjusting button, a starting switch and a heat dissipation shutter, wherein the handle is arranged on the LED lamp, the LCD screen is arranged on the adjusting button, the starting switch and the heat dissipation shutter are respectively arranged on the inverter shell, a communication port, a direct current input port, a bypass input interface and an alternating current input port are further formed in the inverter shell, and intervals are respectively arranged between the communication port and the direct current input port and between the bypass input interface and the alternating current input port. Therefore, the inverter device is convenient to carry and move by arranging the lifting handle, and the input, output and fault indication can be displayed by arranging the LED lamp; by arranging the LCD screen, the input and output voltage and current can be conveniently displayed; by setting the adjusting button, the interface of the display screen can be switched, and the threshold value of the inverter is adjusted; the starting switch is arranged for starting the inverter; through setting up the heat dissipation shutter, make things convenient for the dc-to-ac converter to dispel the heat. The communication port is used for debugging the inverter; the direct current input port is used for being in butt joint with a direct current output port of the battery pack; the bypass input interface is used for accessing a city electric wire under the condition of power failure according to the requirement of a client function; the AC input port is used for 220VAC power output and has rated load of 6 KW.

The battery in the battery pack adopts a 1P15S lithium iron phosphate battery and a 48V standard voltage platform, so that the battery pack not only meets the standard requirements, but also has a safe, reliable and long-life battery design within a safe use voltage range. Power generation system adopts the quick dismouting design of components of a whole that can function independently, and single battery package system weight is less than 45KG, can realize accomplishing emergent power generation operation alone, lightweight design portable and transportation. The protection level of the whole power generation system reaches IP56, the high protection level can be suitable for outdoor severe weather conditions, and the using capacity of the product environment is enhanced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A convenient energy storage power generation system, comprising: the system comprises an inverter device and at least one battery power supply device, wherein the inverter device is electrically connected with the battery power supply device;

2. The portable energy-storing and power-generating system of claim 1, wherein the battery-powered device further comprises a remote monitoring module electrically connected to the BMS motherboard.

3. The portable energy-storing and power-generating system of claim 1, wherein the battery-powered device further comprises a dc output plug, the dc output plug being electrically connected to the BMS motherboard and the input of the isolated power supply, respectively.

4. The portable energy storage and power generation system of claim 3, wherein the battery powered device further comprises a parallel output plug, the parallel output plug being electrically connected to the DC output plug and the BMS motherboard, respectively.

5. The convenient energy-storing and power-generating system of claim 1, wherein the battery power supply further comprises a clamping box body, and the battery pack is arranged in the clamping box body.

6. The convenient energy-storing and power-generating system of claim 5, wherein the clamping box further comprises a box assembly and a clamping assembly, the clamping assembly is arranged on the box assembly, and the battery pack is arranged on the box assembly.

7. The portable energy storage and power generation system of claim 6, wherein the case assembly comprises a battery placement case and a baffle disposed on the battery placement case.

8. The convenient energy-storing and power-generating system of claim 6, wherein the clamping assembly comprises a mounting plate and a clamping rod, the mounting plate is arranged on the box body assembly, a groove is formed in the mounting plate, and the clamping rod is embedded in the groove in the mounting plate.

9. The portable energy-storing and power-generating system of claim 1, wherein the battery-powered device further comprises a push-to-start switch electrically connected to the BMS motherboard.

10. The portable energy storage and power generation system of claim 1, wherein the energy storage and power generation system comprises a plurality of battery powered devices, each of which is sequentially stacked in sequence.