CN218300965U

CN218300965U - Movable firewood direct-alternating current combined type energy storage system

Info

Publication number: CN218300965U
Application number: CN202221823191.8U
Authority: CN
Inventors: 王刚; 蒙玉宝; 陈翔
Original assignee: Wuhan Eve Energy Storage Co ltd
Current assignee: Wuhan Eve Energy Storage Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2023-01-13
Anticipated expiration: 2032-07-14

Abstract

The utility model belongs to the technical field of the energy storage power station, a portable firewood direct-traffic combination formula energy storage system is disclosed. The movable firewood direct-traffic combined type energy storage system comprises a tractor head and a tractor body, wherein the tractor head and the tractor body are detachably connected, and an energy storage direct-current cabin and an energy storage alternating-current cabin are arranged on the tractor body. The energy storage direct current cabin comprises a plurality of battery clusters and at least one confluence cabinet, and the battery clusters are electrically connected with the confluence cabinet. The energy storage alternating current cabin comprises an inverter and a high-voltage cabinet, the inverter is electrically connected with the confluence cabinet, and the high-voltage cabinet is electrically connected with the inverter. The movable firewood direct-alternating combined energy storage system has mobility, can meet the power utilization requirements of people in different scenes, and is wide in application range.

Description

Movable firewood direct-alternating current combined type energy storage system

Technical Field

The utility model relates to an energy storage power station technical field especially relates to a portable firewood direct-traffic combination formula energy storage system.

Background

At present, the energy storage system is generally installed in a base, the construction, installation and debugging work of the energy storage system needs a long time, and once one device is damaged, the whole energy storage system needs to be stopped and overhauled. Along with the diversification of the application scenes of the energy storage system, the energy storage system is transformed in order to meet the occasional power demand of people, so that the difficulty is high, and the expenditure is high.

Therefore, it is desirable to provide a movable energy storage system for direct-current and alternating-current combination of firewood to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable firewood direct-traffic combination formula energy storage system has the mobility, can satisfy the power consumption demand of the different scenes of people, and application range is wider.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a portable firewood orthogonal combination formula energy storage system, includes tractor locomotive and tractor automobile body, the tractor locomotive with the connection can be dismantled to the tractor automobile body, be equipped with on the tractor automobile body:

the energy storage direct current cabin comprises a plurality of battery clusters and at least one confluence cabinet, and the battery clusters are electrically connected with the confluence cabinet; and

the energy storage alternating-current cabin comprises an inverter and a high-voltage cabinet, the inverter is electrically connected with the confluence cabinet, and the high-voltage cabinet is electrically connected with the inverter.

Optionally, a first auxiliary system is arranged in the energy storage direct current cabin, and a second auxiliary system is arranged in the energy storage alternating current cabin;

the first auxiliary system and the second auxiliary system respectively comprise at least one of a monitoring system, a fire fighting system, a temperature control system, an illuminating system, an air conditioning system and a smoke sensing system.

Optionally, an energy storage firewood cabin is further arranged on the body of the tractor;

the energy storage diesel generating cabin comprises a diesel generating set, and the first auxiliary system and the second auxiliary system are electrically connected with the diesel generating set.

Optionally, a third auxiliary system is arranged in the energy storage diesel engine cabin, the third auxiliary system is electrically connected with the diesel generator, and the third auxiliary system comprises the monitoring system, the fire fighting system, the temperature control system, the lighting system, the air conditioning system and the smoke sensing system. .

Optionally, the combiner cabinet comprises a first combiner cabinet and a second combiner cabinet;

and one part of the battery clusters are electrically connected with the first bus cabinet, and the other part of the battery clusters are electrically connected with the second bus cabinet.

Optionally, the inverter comprises a first inverter and a second inverter;

the first bus bar cabinet is electrically connected with the first inverter, and the second bus bar cabinet is electrically connected with the second inverter.

Optionally, the energy storage ac compartment further includes a transformer, the inverter and the high voltage board are both electrically connected to the transformer, and the transformer is capable of boosting the voltage of the inverter and transmitting the boosted voltage to the high voltage board.

Optionally, the tractor body comprises a first semi-trailer and a second semi-trailer, the first semi-trailer is detachably connected with the second semi-trailer, the energy storage dc compartment is arranged on the first semi-trailer, and the energy storage ac compartment is arranged on the second semi-trailer.

Optionally, a height adjusting device is arranged on wheels of the first semi-trailer and used for adjusting the height of the first semi-trailer; and

and the wheels of the second semitrailer are provided with the height adjusting devices for adjusting the height of the second semitrailer.

Optionally, a support frame is arranged on the first semi-trailer; and/or

The second semi-trailer is provided with the support frame.

The utility model has the advantages that:

the utility model provides a portable firewood direct-alternating current combination formula energy storage system, exchange the cabin including energy storage direct current cabin and energy storage. The direct current can be provided for the user through the energy storage direct current cabin, the alternating current can be provided for the user through the energy storage alternating current cabin, and the power consumption requirements of the user on different currents are met. And through exchanging the cabin with the energy storage direct current cabin and the energy storage and setting on the tractor body, the transport is nimble convenient, can satisfy the user to the power consumption demand of different scenes, and flexibility, suitability and economic nature are higher.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a movable firewood direct-current-alternating-current combined type energy storage system provided by an embodiment of the invention;

fig. 2 is a front view of a movable firewood orthogonal combined energy storage system provided by an embodiment of the present invention;

fig. 3 is a partial enlarged view of fig. 2 at a.

In the figure:

100. a tractor head; 200. a tractor body; 210. a first semi-trailer; 211. a wheel; 212. a height adjustment device; 2121. a first link; 2122. a second link; 2123. a hydraulic cylinder; 213. a support frame; 220. a second semi-trailer; 310. an energy storage DC compartment; 311. a battery cluster; 3121. a first combiner cabinet; 3122. a second combiner cabinet; 320. an energy storage alternating current cabin; 3211. a first inverter; 3212. a second inverter; 322. a high-voltage cabinet; 323. a transformer; 330. an energy storage firewood cabin; 331. a diesel generating set.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Specifically, as shown in fig. 1 and 2, the mobile diesel-direct-traffic combined energy storage system includes a tractor locomotive 100 and a tractor body 200. The tractor nose 100 is detachably connected to the tractor body 200. The tractor body 200 is provided with an energy storage DC compartment 310 and an energy storage AC compartment 320. The energy storage dc bay 310 is configured to provide dc power for a user, and the energy storage dc bay 310 includes a plurality of battery clusters 311 and at least one bus bar. The battery cluster 311 corresponds to a mobile power source, and supplies power to a user after being fully charged. The plurality of battery clusters 311 are electrically connected with the bus cabinet, and the bus cabinet is used for collecting the electric energy of the battery clusters 311 together to provide the current with the required power for users. The number of the bus cabinets can be set according to actual needs, such as one, two or three. The plurality of the collecting cabinets can be used simultaneously or independently. The ac energy storage compartment 320 includes an inverter electrically connected to the combiner box for converting dc power in the dc energy storage compartment 310 into ac power, and a high voltage cabinet 322 electrically connected to the inverter for protecting the circuit and providing safe ac power to the user terminal. The number of inverters is set according to the number of the bus bars, and one inverter is electrically connected to one bus bar. The energy storage direct current cabin 310 is arranged to provide direct current for users, and the energy storage alternating current cabin 320 is arranged to provide alternating current for users, so that the application range of the movable firewood direct current and alternating current combined type energy storage system is widened, and the use requirements of the users on different types of current are met. Through setting up energy storage DC cabin 310 and energy storage interchange cabin 320 on tractor automobile body 200, start the tractor and can remove the position in energy storage DC cabin 310 and energy storage interchange cabin 320 wantonly, satisfied the demand of user to different scenes power consumption occasionally, the flexibility is higher, and the cost is lower.

Optionally, the inverter is in a non-isolated form, has small harmonic wave, high efficiency and controllable energy scheduling, and can perform active and reactive power regulation.

Further, with continued reference to fig. 1, in the present embodiment, the bus bar includes a first bus bar 3121 and a second bus bar 3122. A portion of the battery clusters 311 are electrically connected to the first bus bar 3121, and another portion of the battery clusters 311 are electrically connected to the second bus bar 3122. By arranging the two bus cabinets, on one hand, compared with the arrangement of only one bus cabinet, when the first bus cabinet 3121 is damaged, the second bus cabinet 3122 can be used for supplying power to users, and the flexibility is high; on the other hand, the first bus bar cabinet 3121 and the second bus bar cabinet 3122 can be used simultaneously according to the user's needs, increasing the output current, and the application range is wide. Accordingly, the inverters include a first inverter 3211 and a second inverter 3212, the first inverter 3211 is electrically connected with the first bus bar 3121, the second inverter 3212 is electrically connected with the second bus bar 3122, both the first inverter 3211 and the second inverter 3212 are electrically connected with the high voltage board 322, and the first inverter 3211 is connected in parallel with the second inverter 3212.

Further, the energy storage dc bay 310 further includes a battery management system, and the battery management system is electrically connected to the plurality of battery clusters 311. The battery management system can query parameters of the battery cluster 311, device communication, etc., and transmit the data to the controller.

Preferably, a first auxiliary system is arranged in the energy storage direct current cabin 310, a second auxiliary system is arranged in the energy storage alternating current cabin 320, and the first auxiliary system and the second auxiliary system each comprise at least one of a monitoring system, a fire fighting system, a temperature control system, an illumination system, an air conditioning system and a smoke sensing system.

Preferably, the tractor body 200 is further provided with an energy storage ac compartment 320, and the energy storage ac compartment 320 comprises a diesel generator set 331, and the diesel generator is electrically connected with the first auxiliary system and the second auxiliary system respectively. The diesel generating set 331 can provide a small amount of electric energy for a user, can also supply power for the first auxiliary system and the second auxiliary system, and under the outdoor condition without an external power supply, the energy storage diesel generating cabin 330 is arranged to supply power for the first auxiliary system and the second auxiliary system, so that compared with the case of using the battery cluster 311 to supply power for the first auxiliary system and the second auxiliary system, the electric energy in the battery cluster 311 is saved, and further the available electric quantity of the user is improved.

Further, a third auxiliary system is arranged in the energy storage diesel engine compartment 330, and the third auxiliary system is electrically connected with the diesel generator. The third auxiliary system comprises at least one of a monitoring system, a fire fighting system, a temperature control system, a lighting system, an air conditioning system and a smoke sensing system.

Specifically, within the energy storage dc bay 310, the monitoring system is able to supervise and control the operation of the battery cluster 311, the junction box, the fire protection system, the temperature control system, the lighting system, the air conditioning system, and the smoke sensing system. Within the energy storage ac compartment 320, the monitoring system is able to supervise and control the operation of the inverter, the high voltage cabinet 322, the fire protection system, the temperature control system, the lighting system, the air conditioning system, and the smoke sensing system. In the energy storage diesel engine compartment 330, the monitoring system can control the operation of the diesel generator set 331, the fire fighting system, the temperature control system, the lighting system, the air conditioning system and the smoke sensing system.

The temperature control system comprises a plurality of air conditioning systems, and the monitoring system automatically controls and coordinates the refrigeration, heating, dehumidification and other work of the plurality of air conditioning systems according to the indoor and outdoor temperature and humidity, so as to ensure that the equipment in the energy storage direct current cabin 310 and the energy storage alternating current cabin 320 work within the temperature range of 15-35 degrees and the humidity range of 40-60 percent, and ensure the optimal working condition of each equipment. The fire extinguishing system is a heptafluoropropane automatic fire extinguishing system, and heptafluoropropane can be automatically started to extinguish fire once fire hazards exist.

Preferably, the energy storage ac compartment 320 further includes a transformer 323, and the inverter and the high voltage cabinet 322 are both electrically connected to the transformer 323, the transformer 323 mainly plays a role of boosting, and the transformer 323 can boost the voltage output by the inverter and output the voltage to the user through the high voltage cabinet 322. Generally, the voltage output by the inverter is 380V or 400V, and after being boosted by the transformer 323, the voltage can be increased to 10.52KV or 35KV, so that the high-voltage power consumption requirement of a user is met. The transformer 323 may be, but is not limited to, a dry inverter, and the voltage level may be 10KV or 35KV.

Further, with continued reference to fig. 2, the tractor body 200 includes a first semi-trailer 210 and a second semi-trailer 220, the energy storage ac compartment 310 is disposed on the first semi-trailer 210, the energy storage ac compartment 320 is disposed on the second semi-trailer 220, and the first semi-trailer 210 and the second semi-trailer 220 are detachably connected. In the energy storage base, if the direct current power generation cabin fails, the damaged direct current power generation cabin can be replaced by the energy storage direct current cabin 310 according to needs, and at the moment, the second semitrailer 220 can be separated from the first semitrailer 210, so that the energy storage alternating current cabin 320 is moved, and the occupied area is reduced.

Preferably, as shown in fig. 3, the wheels 211 of the first semi-trailer 210 and the second semi-trailer 220 are provided with height adjusting devices 212 for adjusting the heights of the first semi-trailer 210 and the second semi-trailer 220 so as to pass through a limited height road section. Specifically, taking the first semi-trailer 210 as an example, the wheels 211 of the first semi-trailer 210 are position-adjustably mounted on the chassis of the first semi-trailer 210 in the Z-axis direction. The height adjustment device 212 comprises a first link 2121, a second link 2122 and a hydraulic cylinder 2123, wherein one end of the first link 2121 is fixedly connected to the chassis of the first semi-trailer 210, the other end is rotatably connected to the second link 2122, and the end of the second link 2122 not connected to the first link 2121 is connected to the wheels 211 of the first semi-trailer 210. The fixed end of the hydraulic cylinder 2123 is connected to the first link 2121, the output end of the hydraulic cylinder 2123 is connected to the second link 2122, and when the output end of the hydraulic cylinder 2123 extends out, the second link 2122 is driven to move in the direction away from the first link 2121, so as to drive the wheels 211 of the first semi-trailer 210 to move in the negative Z-axis direction, and thus the height of the first semi-trailer 210 is increased. When the output end of the hydraulic cylinder 2123 retracts, the second link 2122 is driven to move in a direction approaching the first link 2121, the wheel 211 of the first semi-trailer 210 is driven to move in the positive direction of the Z-axis, and the height of the first semi-trailer 210 is reduced.

Preferably, with continued reference to fig. 3, in one embodiment, the first semi-trailer 210 is provided with a support bracket 213 for protecting tires or axles when the tractor is parked or when power is supplied to a user, the support bracket 213 being provided on the chassis of the first semi-trailer 210 and being pivotally connected to the chassis of the first semi-trailer 210 so as to be able to be lowered when support is needed and retracted when support is not needed to avoid hindering the operation of the tractor. More preferably, the supporting frame 213 has a locking mechanism, which can lock in both supporting and retracting states, so as to ensure the reliability of the operation of the supporting frame 213. A plurality of, for example, 4 support frames 213 may be provided, and 4 support frames 213 may be provided at four corners of the first semi-trailer 210. In another embodiment, the second semitrailer 220 may also be provided with a support bracket 213. In other embodiments, the support frames 213 may be disposed on both the first semitrailer 210 and the second semitrailer 220, and may be disposed according to actual needs.

Furthermore, independent heat insulation systems, flame retardant systems, electrical interlocking systems, emergency lighting systems, safety guarantee systems and the like are arranged in the energy storage direct current cabin 310, the energy storage alternating current cabin 320 and the energy storage firewood sending cabin 330, the energy storage direct current cabin 310, the energy storage alternating current cabin 320 and the energy storage firewood sending cabin 330 have good environmental adaptability, have the functions of corrosion prevention, water prevention, fire prevention, dust prevention (sand prevention), shock prevention, ultraviolet prevention, theft prevention and the like, and cannot break down due to corrosion, water, fire or ultraviolet rays and the like. The energy storage direct current cabin 310, the energy storage alternating current cabin 320 and the energy storage diesel engine cabin 330 all meet the basic requirements of crane installation, and meanwhile, 2 grounding points meeting the requirements of power standards are provided in the form of copper bars. Adopt the outer mode of maintaining of two full side doors, battery, electric system face are the same towards the side door, prevent personnel's entering, provide the security that the staff operated and maintained.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a portable firewood orthogonal combination formula energy storage system, its characterized in that, includes tractor locomotive (100) and tractor automobile body (200), tractor locomotive (100) with the connection can be dismantled to tractor automobile body (200), be equipped with on tractor automobile body (200):

the energy storage direct current cabin (310) comprises a plurality of battery clusters (311) and at least one bus cabinet, wherein the battery clusters (311) are electrically connected with the bus cabinet; and

an energy storage AC compartment (320) comprising an inverter electrically connected to the bus bar cabinet and a high voltage cabinet (322), the high voltage cabinet (322) electrically connected to the inverter.

2. The combined energy storage system of claim 1, wherein a first auxiliary system is provided in the energy storage dc compartment (310), and a second auxiliary system is provided in the energy storage ac compartment (320);

3. The movable firewood orthogonal combined type energy storage system according to claim 2, characterized in that an energy storage firewood cabin (330) is further arranged on the tractor body (200);

the energy storage diesel engine compartment (330) comprises a diesel generator set (331), and the first auxiliary system and the second auxiliary system are electrically connected with the diesel generator set (331).

4. The combined energy storage system of claim 3, wherein a third auxiliary system is provided in the energy storage firewood cabin (330), the third auxiliary system is electrically connected to the diesel generator, and the third auxiliary system comprises the monitoring system, the fire fighting system, the temperature control system, the lighting system, the air conditioning system and the smoke sensing system.

5. The mobile diesel-electric energy storage system of claim 1, wherein the bus bar comprises a first bus bar (3121) and a second bus bar (3122);

a portion of the battery cluster (311) is electrically connected to the first bus bar cabinet (3121), and another portion of the battery cluster (311) is electrically connected to the second bus bar cabinet (3122).

6. The mobile diesel-direct-current combined energy storage system according to claim 5, characterized in that the inverters comprise a first inverter (3211) and a second inverter (3212);

the first bus bar cabinet (3121) is electrically connected to the first inverter (3211), and the second bus bar cabinet (3122) is electrically connected to the second inverter (3212).

7. The portable energy storage system according to any of claims 1-6, wherein the ac storage compartment (320) further comprises a transformer (323), the inverter and the high voltage cabinet (322) are both electrically connected to the transformer (323), and the transformer (323) is capable of boosting the voltage of the inverter for transmission to the high voltage cabinet (322).

8. The mobile diesel-direct-traffic combined energy storage system according to any one of claims 1-6, characterized in that the tractor body (200) comprises a first semi-trailer (210) and a second semi-trailer (220), the first semi-trailer (210) being detachably connected with the second semi-trailer (220), the energy storage DC compartment (310) being provided on the first semi-trailer (210), and the energy storage AC compartment (320) being provided on the second semi-trailer (220).

9. The mobile diesel-direct-traffic combined energy storage system according to claim 8, characterized in that height adjusting means (212) are provided on wheels (211) of the first semi-trailer (210) for adjusting the height of the first semi-trailer (210); and

the height adjusting device (212) is arranged on wheels (211) of the second semitrailer (220) and used for adjusting the height of the second semitrailer (220).

10. The portable firewood orthogonal combined energy storage system according to claim 8, characterized in that a support frame (213) is provided on the first semi-trailer (210); and/or

The second semitrailer (220) is provided with the support frame (213).