Energy storage equipment based on cascade utilization of power battery

Abstract

The utility model belongs to the technical field of electric energy storage systems, and particularly relates to an energy storage device based on cascade utilization of a power battery, which comprises a shell, a dehumidification temperature control mechanism arranged in the shell, a detection mechanism arranged in the shell, a sealing mechanism arranged in the shell and a fire extinguishing mechanism arranged in the shell. According to the energy storage equipment based on power battery echelon utilization, through the design of the dehumidification temperature control mechanism, when it is detected that the humidity in the equipment is high, through the design of a heating bent pipe, heat generated by the heating bent pipe is blown to the position of a battery assembly through a fan, drying treatment is conducted on the battery assembly, the environment humidity is reduced, and the corrosion speed is slowed down; according to the device, the service life of a battery assembly and internal components can be prolonged, meanwhile, the temperature in the device can be regulated and controlled, the purposes of rapid detection and fire extinguishing are achieved through cooperative use of a detection mechanism, a sealing mechanism and a fire extinguishing mechanism, meanwhile, carbon dioxide is adopted for fire extinguishing, and damage to the internal electronic components can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to power energy storage system technical field, concretely is a kind of energy storage equipment based on power battery gradient utilization. BACKGROUND

[0002] In recent years, the global new energy vehicle market shows explosive growth. According to the data of International Energy Agency (IEA), the global new energy vehicle ownership broke through 150 million in 2024, and the annual sales volume exceeded 30 million. With the wide popularity of new energy vehicles, the service life of power batteries is gradually expired, and the treatment of a large number of retired power batteries becomes a problem to be solved.

[0003] According to the energy storage device of power battery gradient utilization (authorized publication number: CN212366093U) described in the patent network, "the utility model embodiment relates to an energy storage device of power battery gradient utilization, comprising an energy storage box body with an inner cavity, and a battery assembly, an AC / DC conversion assembly, a temperature control assembly, a fire-fighting assembly and a control cabinet built-in in the energy storage box body; a partition is arranged in the energy storage box body, the partition divides the energy storage box body into an electrical area and a battery area, the AC / DC conversion assembly is arranged in the electrical area, and the battery assembly, the temperature control assembly, the fire-fighting assembly and the control cabinet are arranged in the battery area. The energy storage device of power battery gradient utilization separates the AC / DC conversion assembly from the battery assembly, the temperature control assembly, the fire-fighting assembly and the control cabinet by the partition, ensures the independent operation of the battery assembly and the AC / DC conversion assembly, improves the operation stability and safety of the energy storage device; the design of the temperature control assembly and the fire-fighting assembly improves the safety performance of the energy storage device of power battery gradient utilization, and solves the technical problems of low reliability and safety of the existing power battery gradient utilization energy storage system."

[0004] For the above related technology, the present inventor believes that only the design of air conditioner is used to adjust the humidity and temperature inside the equipment, the precision is not enough, and the methods of heptafluoropropane extinguishing agent and water spraying extinguishing can prevent fire spreading well and achieve the purpose of rapid extinguishing, but can cause damage to relatively intact circuit components inside the equipment, thereby causing greater loss, and heptafluoropropane may decompose to produce toxic and harmful gases such as hydrogen fluoride at high temperature, which can cause harm to human health, so it is urgent to improve a kind of energy storage equipment based on power battery gradient utilization to solve the above problems. Utility model content

[0005] The utility model aims at providing an energy storage equipment based on power battery gradient utilization to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A kind of energy storage equipment based on power battery echelon utilization, including shell, the bottom of the shell is fixedly installed with bottom foot, the top of the shell is fixedly installed with air pump, the left side of the air pump is fixedly installed with gas storage tank, fire detection assembly is equipped in the shell;The energy storage equipment based on power battery echelon utilization includes dehumidification temperature control mechanism, detection mechanism, sealing mechanism and fire extinguishing mechanism, the dehumidification temperature control mechanism, the dehumidification temperature control mechanism includes air pump, air pipe is fixedly installed on the air pump, suction hood is fixedly installed at the end of the air pipe, electronic valve is fixedly installed on the air pipe, the suction hood is fixedly installed at the top of shell.

[0007] Preferably, the suction hood is a trapezoidal cover, a filter screen is arranged below the suction hood, a first partition plate is fixedly installed in the shell, a second partition plate is fixedly installed between the shell and the first partition plate, and the second partition plate divides the shell into two spaces.

[0008] Preferably, a plurality of second ventilation grooves are arranged on the second partition plate, a first fan is fixedly installed on the second partition plate, and a temperature sensor is fixedly installed on the left side of the second partition plate.

[0009] Preferably, a plurality of first ventilation grooves are arranged on the first partition plate, a heating elbow pipe is fixedly installed below the first partition plate, the heating elbow pipe is fixedly installed on an electric heating module, a second fan is arranged below the heating elbow pipe, the second fan is fixedly installed on a filter partition plate, and the filter partition plate is fixedly installed at the bottom of the shell.

[0010] Preferably, the detection mechanism includes the first partition plate, an ion type smoke detector is fixedly installed on the first partition plate, a carbon monoxide detector is arranged in front of the ion type smoke detector, and a battery pack is fixedly installed on the left side of the second partition plate.

[0011] Preferably, the sealing mechanism includes the shell, a limiting block is fixedly installed at the bottom of the shell, a baffle is movably installed in the limiting block, an air cylinder is fixedly installed at the bottom of the shell, an output end of the air cylinder is fixedly installed on a connecting piece, the connecting piece is fixedly installed on the baffle, and the baffle is further provided with a plurality of third ventilation grooves.

[0012] Preferably, the fire extinguishing mechanism includes the air pump, an air pipe is fixedly installed on the air pump, a plurality of air holes are arranged on the air pipe, the air pipe is fixedly installed in the shell, and the air pipe is fixedly installed above the battery pack.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The energy storage device based on the step-by-step utilization of power batteries, through the design of the dehumidification temperature control mechanism, when it is detected that the humidity in the device is high, the heat generated by the heating elbow is blown to the battery assembly position by the fan, the drying process is carried out, the environmental humidity is reduced, the corrosion speed is slowed down, the service life of the battery assembly and the internal components is prolonged, and the temperature in the device can be regulated.

[0015] 2. The energy storage device based on the step-by-step utilization of power batteries, through the design of the detection mechanism, the sealing mechanism and the fire extinguishing mechanism, when it is detected that a fire occurs inside the device, the design of the air cylinder and the baffle makes the inside of the device remain sealed, and through the design of being sealed first and then injecting carbon dioxide, the carbon dioxide will quickly fill the entire space, and the oxygen content will be reduced to below the critical value required for combustion. When the oxygen content is less than 15%, most combustion reactions are difficult to continue, so that the flame can be quickly and effectively extinguished, and damage to the circuit components in the device is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic view of the utility model;

[0017] Figure 2 It is a schematic view of the internal structure of the utility model;

[0018] Figure 3 It is a schematic view of the installation structure of the dehumidification temperature control mechanism of the utility model;

[0019] Figure 4 It is a schematic view of the sealing mechanism structure of the utility model;

[0020] Figure 5 It is a schematic view of the fire extinguishing mechanism of the utility model.

[0021] In the figure: 1 shell, 2 foot, 3 air pump, 4 gas storage tank, 5 baffle one, 6 ion type smoke detector, 7 carbon monoxide detector, 8 baffle two, 9 ventilation slot one, 10 battery pack, 11 temperature sensor, 12 humidity sensor, 201 air pipe, 202 air extraction cover, 203 electronic valve, 204 fan one, 205 ventilation slot two, 206 fan two, 207 heating elbow, 208 filter baffle, 301 limit block, 302 air cylinder, 303 connecting piece, 304 baffle, 305 ventilation slot three, 306 air pipe, 307 air hole, 308 filter screen. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model. Embodiment

[0023] Based on the problems of inconvenient and inaccurate temperature and humidity adjustment in the prior art, the device is provided with a dehumidification and temperature control mechanism, please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of energy storage equipment based on power battery gradient utilization, including shell 1, the bottom of shell 1 is fixedly installed with bottom foot 2, the top of shell 1 is fixedly installed with air pump 3, air pump 3's left side is fixedly installed with gas storage tank 4, fire detection assembly is equipped in shell 1;Energy storage equipment based on power battery gradient utilization includes dehumidification and temperature control mechanism, detection mechanism, sealing mechanism and fire extinguishing mechanism, dehumidification and temperature control mechanism, dehumidification and temperature control mechanism include air pump 3, air pump 3 is fixedly installed with air pipe 201, air pipe 201's end is fixedly installed with suction hood 202, air pipe 201 is fixedly installed with electronic valve 203, suction hood 202 is fixedly installed at the top of shell 1.

[0024] Suction hood 202 is trapezoidal cover, filter screen 308 is equipped in the below of suction hood 202, baffle one 5 is fixedly installed in shell 1, baffle two 8 is fixedly installed between shell 1 and baffle one 5, baffle two 8 divides the inside of shell 1 into two spaces.

[0025] Baffle two 8 is equipped with multiple groups of ventilation slot two 205, fan one 204 is fixedly installed on baffle two 8, temperature sensor 11 is fixed on the left side of baffle two 8, humidity sensor 12 is fixedly installed on the right side of temperature sensor 11.

[0026] Baffle one 5 is equipped with multiple groups of ventilation slot one 9, heating elbow pipe 207 is fixedly installed below baffle one 5, heating elbow pipe 207 is fixedly installed on electric heating module, fan two 206 is equipped below heating elbow pipe 207, fan two 206 is fixedly installed on filter baffle 208, filter baffle 208 is fixedly installed at the bottom of shell 1.

[0027] Detection mechanism includes baffle one 5, ion type smoke detector 6 is fixedly installed on baffle one 5, carbon monoxide detector 7 is equipped in front of ion type smoke detector 6, battery pack 10 is fixedly installed on the left side of baffle two 8.

[0028] When the device is in normal operation, the temperature and humidity inside the device are detected by the temperature sensor 11 and the humidity sensor 12, when the internal humidity is detected to be too high, the electric heating module is started, and then the heating elbow pipe starts to work, at the same time, the fan two 206 is started to deliver its heat to the device, to remove the moisture in it and reduce the humidity, when the temperature is detected to be too high, the electric heating module is closed, the air pump 3 and the fan two 206 are started to keep the flowability of the gas in the device, thereby reducing the temperature in the device, avoiding the temperature in the device being too high to cause the device to be damaged. Embodiment

[0029] On the basis of the first embodiment, the internal components of the device may fail during long-term operation and cause a fire, therefore the device is provided with a detection mechanism and a fire extinguishing mechanism, please refer to Figures 1-5 The utility model provides a technical scheme: a kind of energy storage equipment based on power battery echelon utilization, sealing mechanism includes shell 1, the bottom of shell 1 is fixedly installed with limit block 301, limit block 301 is movably installed with baffle 304, the bottom of shell 1 is fixedly installed with air cylinder 302, the output end of air cylinder 302 is fixedly installed on connecting piece 303, connecting piece 303 is fixedly installed on baffle 304, baffle 304 is also equipped with multiple groups of ventilation groove three 305.

[0030] Fire extinguishing mechanism includes air pump 3, air pump 3 is fixedly installed with air pipe 306, air pipe 306 is equipped with multiple groups of air hole 307, air pipe 306 is fixedly installed in shell 1, the air pipe 306 is fixedly installed with the top of battery pack 10.

[0031] When ion type smoke detector 6 and carbon monoxide detector 7 detect that fire occurs in the device, air cylinder 302 is started, baffle 304 is pushed, ventilation groove at the bottom of shell 1 is blocked, at the same time, electronic valve 203 on air pipe 201 is closed, so that the device is kept sealed, at the same time, gas storage tank 4 is started, carbon dioxide gas is injected into the device, to achieve the purpose of rapid fire extinguishing, and also avoid damaging electronic components in it.

[0032] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. An energy storage device based on power battery step utilization, comprising a shell (1), characterized in that: The bottom of the shell (1) is fixedly installed with a foot (2), the top of the shell (1) is fixedly installed with an air pump (3), the left side of the air pump (3) is fixedly installed with a gas storage tank (4), and the shell (1) is provided with a fire detection assembly; The energy storage equipment based on the step utilization of the power battery comprises a dehumidification temperature control mechanism, a detection mechanism, a sealing mechanism and a fire extinguishing mechanism, the dehumidification temperature control mechanism comprises an air pump (3), the air pump (3) is fixedly installed with an air pipe (201), the tail end of the air pipe (201) is fixedly installed with an air extraction cover (202), and the air pipe (201) is fixedly installed with an electronic valve (203); the air extraction cover (202) is fixedly installed at the top of the shell (1). 2.The energy storage device based on power battery step utilization of claim 1, characterized in that: The air extraction cover (202) is a trapezoidal cover, the air extraction cover (202) is provided with a filter screen (308) below, the shell (1) is fixedly installed with a partition plate one (5), the shell (1) and the partition plate one (5) are fixedly installed with a partition plate two (8), and the partition plate two (8) divides the shell (1) into two spaces. 3.The energy storage device based on power battery step utilization of claim 2, characterized in that: A plurality of groups of ventilation grooves two (205) are arranged on the partition plate two (8), the partition plate two (8) is fixedly installed with a fan one (204), and the left side of the partition plate two (8) is fixedly installed with a temperature sensor (11); the right side of the temperature sensor (11) is fixedly installed with a humidity sensor (12).

4. The energy storage device based on stepwise utilization of traction battery according to claim 3, characterized in that: A plurality of groups of ventilation grooves one (9) are arranged on the partition plate one (5), the partition plate one (5) is fixedly installed with a heating elbow pipe (207), the heating elbow pipe (207) is fixedly installed on an electric heating module, the heating elbow pipe (207) is provided with a fan two (206) below, the fan two (206) is fixedly installed on a filter screen (208), and the filter screen (208) is fixedly installed at the bottom of the shell (1).

5. The energy storage device based on power battery step utilization according to claim 4, characterized in that: The detection mechanism comprises the partition plate one (5), the partition plate one (5) is fixedly installed with an ionic smoke detector (6), the front of the ionic smoke detector (6) is provided with a carbon monoxide detector (7), and the left side of the partition plate two (8) is fixedly installed with a battery pack (10).

6. The energy storage device based on power battery stepwise utilization according to claim 5, characterized in that: The sealing mechanism comprises the shell (1), the bottom of the shell (1) is fixedly installed with a limiting block (301), the limiting block (301) is movably installed with a baffle (304), the bottom of the shell (1) is fixedly installed with an air cylinder (302), the output end of the air cylinder (302) is fixedly installed on a connecting piece (303), the connecting piece (303) is fixedly installed on the baffle (304), and the baffle (304) is further provided with a plurality of groups of ventilation grooves three (305).

7. The energy storage device based on stepwise utilization of traction battery according to claim 6, characterized in that: The fire extinguishing mechanism comprises the air pump (3), the air pump (3) is fixedly installed with an air pipe (306), the air pipe (306) is provided with a plurality of groups of air holes (307), the air pipe (306) is fixedly installed in the shell (1), and the air pipe (306) is fixedly installed above the battery pack (10).

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